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* config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
2
3         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
4         (JUMP_TABLES_IN_TEXT_SECTION): Define.
5         * config/mips/mips.c (mips16_insn_length): Remove reference to
6         JUMP_TABLES_IN_TEXT_SECTION.
7
8 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
9
10         * simplify-rtx.c (simplify_binary_operation_1): Return
11         scalar or vector of constant 0, depending on the xor's 
12         mode.
13
14 2005-04-13  Dale Johannesen  <dalej@apple.com>
15
16         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
17         (objc-act.o):  Ditto.
18         * objc/objc-act.c (objc_gimplify_expr):  New.
19         (objc_get_callee_fndecl):  New.
20         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
21         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
22         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
23
24 2005-04-13  Devang Patel  <dpatel@apple.com>
25
26         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
27         temp variables.
28         
29 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
30
31         CRIS prologue as RTL.
32         * config/cris/cris-protos.h (cris_emit_movem_store)
33         (cris_expand_prologue): Prototype.
34         * config/cris/cris.c (struct machine_function): New member
35         stdarg_regs.
36         (cfa_label_num, cris_target_asm_function_prologue): Remove.
37         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
38         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
39         (cris_load_multiple_op, cris_return_address_on_stack)
40         (cris_return_address_on_stack_for_return): ISO-Cify.
41         (cris_store_multiple_op): New predicate function.
42         (cris_expand_prologue, cris_emit_movem_store): New functions.
43         (cris_print_operand) <case 'O'>: Handle modifications other than
44         post-increment.
45         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
46         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
47         (cris_gen_movem_load): Rearrange slightly to make local variable
48         src a parameter, removing osrc.
49         (cris_setup_incoming_varargs): Set machine_function member
50         stdarg_regs to correspond to the number of registers that need to
51         be saved.
52         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
53         CRIS_UNSPEC_GOT.
54         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
55         cris_general_operand_or_gotless_symbol accept UNSPEC.
56         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
57         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
58         ("*cris_store_multiple"): New pattern.  Tweak common comment above
59         this and "*cris_load_multiple".
60         ("prologue"): New define_expand.
61
62         * config/cris/cris.md ("epilogue"): Conditionalize on
63         TARGET_PROLOGUE_EPILOGUE.
64
65 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
66
67         PR target/20924
68         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
69         fpsr 0 instead of fpsr 1.
70         (divsf3_internal_thr): Ditto.
71         (divdf3_internal_lat): Ditto.
72         (divdf3_internal_thr): Ditto.
73         (divxf3_internal_lat): Ditto.
74         (divxf3_internal_thr): Ditto.
75
76 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
77
78         PR tree-optimization/20913
79         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
80
81         PR tree-optimization/20702
82         * tree-vrp.c (maybe_add_assert_expr): Recurse into
83         dominator children that haven't been walked into.
84
85 2005-04-13  Julian Brown  <julian@codesourcery.com>
86
87         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
88         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
89         is true. 
90
91 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
92
93         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
94         config/i386/sse.md: Fix comment typos.
95
96         * genattrtab.c (NULL_ATTR): Remove.
97         * ifcvt.c (NULL_EDGE): Likewise.
98
99         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
100
101         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
102         NOTE_PREDICT): Remove.
103
104 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
105
106         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
107         * configure: Regenerate.
108         * config.in: Likewise.
109         * system.h: Declare vsnprintf if not already declared.
110
111 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
112
113         * optc-gen.awk: Handle stand-alone Mask records.
114         * opth-gen.awk: Likewise.
115         * doc/options.texi (Option file format): Document them.
116         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
117         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
118         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
119         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
120         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
121         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
122         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
123         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
124         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
125         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
126         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
127         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
128         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
129         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
130         TARGET_LONG_DOUBLE_128): Likewise.
131         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
132         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
133         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
134         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
135         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
136         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
137         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
138         * config/sparc/sparc.c (fpu_option_set): New global.
139         (sparc_handle_option): New function.
140         (sparc_override_options): Test fpu_option_set.
141         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
142         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
143         * config/sparc/sparc.opt: New file.
144         * config/sparc/little-endian.opt: Likewise.
145         * config/sparc/long-double-switch.opt: Likewise.
146
147 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
148
149         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
150         (bfin_handle_options): Set it if -mshared-library-id= is seen.
151         * config/bfin/bfin.opt (mshared-library-id=): Lose
152         Var(bfin_lib_id_given).
153
154 2005-04-13  Matt Thomas  <matt@3am-software.com>
155  
156         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
157         defining.
158
159 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
160
161         * rtl.h (CLEAR_RTX_FLAGS): Remove.
162
163         * cgraphunit.c (INSNS_PER_CALL): Remove.
164
165         * tree-ssa-forwprop.c (vars,
166         record_single_argument_cond_exprs,
167         substitute_single_use_vars): Remove.
168         (forward_propagate_into_cond_1, forward_propagate_into_cond):
169         New.
170         (tree_ssa_forward_propagate_single_use_vars): Call
171         forward_propagate_into_cond for each COND_EXPR.
172
173         * tree-inline.c (INSNS_PER_STMT): Remove.
174
175 2005-04-12  Richard Henderson  <rth@redhat.com>
176
177         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
178         (ix86_expand_sse_fp_minmax): ... from ... 
179         (ix86_expand_fp_movcc): ... here.
180         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
181         * config/i386/i386-protos.h: Update.
182         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
183         (sse_setccsf, sse_setccdf): Allow before reload.
184         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
185         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
186         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
187         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
188         (anddf3, nanddf3, iordf3, xordf3): New.
189
190 2005-04-12  Jeff Law  <law@redhat.com>
191
192         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
193         (tree-ssa-uncprop.o): Add dependencies.
194         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
195         * tree-flow.h (remove_useless_stmts): Remove prototype.
196         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
197         remove_useless_stmts.
198         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
199         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
200         * tree-pass.h (pass_uncprop): Declare.
201         * tree-ssa-uncprop.c: New file.
202
203 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
204
205         PR target/20670
206         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
207
208 2005-04-12  Caroline Tice  <ctice@apple.com>
209
210         Temporary fix for partitioning problems.
211         * passes.c (rest_of_handle_final): Remove code that 
212         frees unlikely_text_section_name,
213         * varasm.c (assemble_start_function): Test for partitioning
214         flag before writing out section labels.
215         (assemble_end_function): Test for partitioning flag before
216         writing out section labels.
217         
218 2005-04-12  Steven Bosscher  <stevenb@suse.de>
219             Stuart Hastings <stuart@apple.com>
220             Jan Hubicka  <jh@suse.cz>
221
222         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
223         references to gt-tree-cfg.h.
224         * basic-block.h (struct basic_block_def): Don't skip rbi
225         for garbage collection.
226         (struct reorder_block_def): Make GTY-able.
227         (struct control_flow_graph): New structure.
228         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
229         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
230         but instead defines to the control_flow_graph for cfun.
231         (label_to_block_map): New define, points to the label map of
232         the control_flow_graph for cfun.
233         (n_edges_for_function, n_basic_blocks_for_function,
234         last_basic_block_for_function, basic_block_info_for_function,
235         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
236         basic_block_info_for_function, label_to_block_map_for_function):
237         Counterparts for the above, taking a struct function as an extra
238         argument.
239         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
240         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
241         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
242         (alloc_rbi_pool, free_rbi_pool): Remove.
243         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
244         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
245         here...
246         (cfg_layout_finalize) ... and don't free it here.
247         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
248         garbage collected.
249         * flow.c (free_basic_block_vars): Set label_to_block_map and
250         n_edges to zero too.
251         * function.h (struct function): Add cfg field.
252         * function.c (allocate_struct_function): Allocate the cfg.
253         * tree-cfg.c (label_to_block_map): Remove.
254         (build_tree_cfg): Don't allocate the rbi pool here...
255         (delete_tree_cfg_annotations): ...and don't free it here.
256         Also don't nullify label_to_block_map for cfun.
257
258 2005-04-12  Caroline Tice  <ctice@apple.com>
259
260         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
261         Revert my patch from April 9.
262         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
263         (reorder_basic_blocks): Revert my patch from April 9.
264         (insert_section_boundary_note): Revert my patch from April 9.
265         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
266         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
267         (COLD_END_LABEL):  Revert my patch from April 9.
268         (cold_text_section_label):  Revert my patch from April 9.
269         (cold_end_label): Revert my patch from April 9.
270         (dwarf2out_switch_text_section): Revert my patch from April 9.
271         (output_aranges): Revert my patch from April 9.
272         (output_ranges):  Revert my patch from April 9.
273         (output_line_info): Revert my patch from April 9.
274         (add_location_or_const_value_attribute):  Revert my patch from April 9.
275         (dwarf2out_var_location): Revert my patch from April 9.
276         (dwarf2out_init):  Revert my patch from April 9.
277         (dwarf2out_finish): Revert my patch from April 9.
278         * function.h (struct function): Revert my patch from April 9.
279         * opts.c (decode_options): Revert my patch from April 9.
280         * output.h (unlikely_section_label, hot_section_label,
281         hot_section_end_label, cold_section_end_label, 
282         unlikely_text_section_name): Revert my patch from April 9.
283         * passes.c (rest_of_handle_final): Revert my patch from April 9.
284         * varasm.c (unlikely_section_label, hot_section_label,
285         hot_section_end_label, cold_section_end_label,
286         unlikely_text_section_name): Revert my patch from April 9.
287         (initialize_cold_section_name): Revert my patch from April 9.
288         (unlikely_text_section): Revert my patch from April 9.
289         (in_unlikely_text_section): Revert my patch from April 9.
290         (named_section): Revert my patch from April 9.
291         (function_section): Revert my patch from April 9.
292         (current_function_section): Revert my patch from April 9.
293         (assemble_start_function): Revert my patch from April 9.
294         (assemble_end_function): Revert my patch from April 9.
295         (default_section_type_flags_1): Revert my patch from April 9.
296         
297 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
298
299         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
300         * config/sparc/sparc.md (untyped_call): Save the registers manually.
301
302         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
303
304 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
305
306         PR middle-end/20917
307         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
308         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
309
310 2004-04-12  Richard Henderson  <rth@redhat.com>
311
312         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
313         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
314         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
315         (UNSPEC_*, UNSPECV_*): Renumber.
316
317 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
318
319         PR mudflap/19266
320         From Richard Henderson <rth@redhat.com>:
321         * tree-mudflap.c (mf_build_check_statement_for): Correct block
322         splitting logic.
323
324 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
325
326         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
327
328 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
329
330         * config/bfin/bfin.c (bfin_library_id_string): Remove.
331         (bfin_library_id): New variable.
332         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
333         instead of bfin_library_id_string.
334         (bfin_handle_option): New function.
335         (override_options): Remove most code to deal with shared library IDs,
336         just check they aren't used without -mid-shared-library.
337         (TARGET_HANDLE_OPTION): Define.
338         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
339         * config/bfin/bfin.opt (mshared-library-id=): New.
340
341 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
342
343         * tree-vect-transform.c: Fix comment typos.
344
345 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
346
347         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
348         split critical edges when not possible/profitable.
349
350 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
351
352         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
353         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
354         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
355         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
356         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
357         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
358         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
359         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
360         MASK_NO_BITFIELD.
361         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
362         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
363         * config/ns32k/ns32k.opt: New file.
364
365 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
366
367         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
368         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
369         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
370         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
371         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
372         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
373         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
374         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
375         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
376         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
377         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
378         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
379         (MASK_COLDFIRE): Formatting fixes.
380         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
381         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
382         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
383         "_current_shared_library_a5_offset_".
384         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
385         (MASK_ALL_CPU_BITS): New macro.
386         (m68k_handle_option): New function.
387         (override_options): Remove handling of m68k_library_id_string.
388         * config/m68k/m68k.opt: New file.
389         * config/m68k/ieee.opt: New file.
390
391 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
392
393         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
394         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
395         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
396         (TARGET_CXX): Adjust accordingly.
397         * target.h (struct gcc_target): Remove epxort_class_data.  Add
398         determine_class_data_visibility and class_data_always_comdat.
399         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
400         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
401         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
402         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
403         (arm_cxx_determine_class_data_visibility): New.
404         (arm_cxx_class_data_always_comdat): Likewise.
405         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
406         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
407         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
408         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
409         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
410         Define.
411
412 2005-04-11  Devang Patel  <dpatel@apple.com>
413
414         * tree-data-ref.c (build_classic_dist_vector,
415         compute_subscript_distance): Make externally visible.
416         * tree-data-ref.h (build_classic_dist_vector,
417         compute_subscript_distance): Same.
418         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
419         Check distance vector against vectorization factor.
420         (vect_analyze_loop): Determine vectorizaion factor before
421         analyzing data dependences.
422         * tree-vectorizer.c (loops_num): Make it externally visible and
423         rename ...
424         * tree-vectorizer.c (vect_loops_num): ... new name.
425         * tree-vectorizer.h  (vect_loops_num): New.
426
427 2005-04-11  Devang Patel  <dpatel@apple.com>
428
429         * tree-vect-analyze.c (vect_analyze_operations): Check
430         vectorizable codition.
431         * tree-vect-transform.c (vect_is_simple_cond): New function.
432         (vectorizable_condition): New function.
433         (vect_transform_stmt): Handle condition_vec_info_type.
434         * tree-vectorizer.h (enum stmt_vec_info_type): Add
435         condition_vec_info_type.
436         (vectorizable_condition): New.
437         
438 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
439
440         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
441         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
442         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
443
444         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
445         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
446
447         * dwarf2out.c (output_line_info): Don't try to dereference
448         a NULL current_function_decl.
449
450         * config/t-slibgcc-darwin: Don't put shared libraries in
451         directories other than $(slibdir).
452         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
453         OS uses for it.
454
455 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
456
457         PR tree-optimization/20933
458         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
459         logic to reject aliases between read-only and writable
460         variables ...
461         (may_alias_p): ... here.
462         (get_tmt_for): Do not associate read-only tags to pointers
463         whose pointed-to type is not read-only.
464         * tree-ssa.c (verify_ssa): Check that memory stores have at
465         least one V_MAY_DEF or V_MUST_DEF.
466
467 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
468
469         PR/17092
470         * configure.ac (gcc_UNLOCKED_FUNCS): New.
471         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
472         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
473         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
474         _unlocked function.
475         (fwrite_unlocked): Fix prototype.
476         
477         * configure, config.in: Regenerate.
478
479 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
480
481         * tree-ssa-loop-im.c: Include real.h.
482         (determine_invariantness_stmt): If real division divisor is
483         invariant and flag_unsafe_math_optimizations enabled, generate
484         invariant reciprocal for hoisting.
485         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
486
487 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
488
489         Fix PR tree-optimization/20926
490         
491         * tree-ssa-alias.c (add_type_alias): Handle subvars.
492         
493 2005-04-11  Devang Patel  <dpatel@apple.com>
494
495         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
496         operand ordering.
497         
498 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
499
500         * fold-const.c (fold_binary_op_with_conditional_arg):
501         use fold_buildN instead of "fold (buildN" in some
502         non obvious places.
503         (fold_unary): Likewise.
504         (fold_binary): Likewise.
505
506 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
507         
508         Fix PR tree-optimization/20612
509         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
510         handling
511         (perfect_nestify): preheaderbb is *not* part of loop of the
512         old destination.
513
514 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
515
516         * tree-ssa-alias.c (may_alias_p): If the variable
517         is a global variable and the pointer is parameter
518         and -fargument-noalias-global is used, then
519         the pointer cannot alias the variable.
520
521 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
522
523         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
524         * config/sparc/sparc.h: Likewise.
525         * config/sparc/sparc.md: Likewise.
526
527 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
528
529         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
530
531         * tree-vrp.c: Fix a comment typo.
532
533 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
534
535         PR tree-optimization/20920
536         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
537         SSA_NAME flows through an abnormal edge.
538         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
539         through abnormal edges.
540         (maybe_add_assert_expr): Likewise.
541
542 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
543
544         * config/s390/s390.h (s390_tune_string, s390_arch_string)
545         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
546         (s390_stack_size_string, s390_stack_guard_string, target_flags)
547         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
548         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
549         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
550         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
551         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
552         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
553         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
554         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
555         (TARGET_HANDLE_OPTION): Likewise.
556         (s390_tune): Initialize to PROCESSOR_max.
557         (s390_arch_string): Make static.
558         (s390_tune_string, s390_warn_framesize_string): Delete.
559         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
560         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
561         (s390_handle_arch_option, s390_handle_option): New functions.
562         (override_options): Remove parsing of option strings.
563         * config/s390/s390.opt: New file.
564
565 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
566
567         * tree-complex.c (expand_vector_operations): Call
568         update_stmt_if_modified.
569
570 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
571
572         * tree-vect-analyze (vect_determine_vectorization_factor):
573         Do not use GET_MODE_NUNITS.
574         * tree-vect-transform.c (vect_get_vec_def_for_operand,
575         (vectorizable_load, vect_transform_loop): Likewise.
576
577 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
578
579         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
580         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
581         * optabs.h (enum optab_index): Add new OTI_lceil.
582         (lceil_optab): Define corresponding macro.
583         * optabs.c (init_optabs): Initialize lceil_optab.
584         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
585         and lceildi2 patterns.
586         * builtins.c (expand_builtin_int_roundingfn): Handle
587         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
588         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
589         BUILT_IN_LLCEIL{,F,L}.
590         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
591         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
592         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
593         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
594         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
595         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
596         into lceil built-in function and (long long int)ceil{,f,l} into
597         llceil built-in function.
598         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
599         BUILT_IN_LLCEIL.
600
601 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
602
603         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
604         zero.
605
606 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
607
608         * config/arm/arm.c: Fix a comment typo.
609         * doc/tree-ssa.texi: Fix a typo.
610
611 2005-04-10  Steven Bosscher  <stevenb@suse.de>
612
613         * cselib.c (clear_table): Rename to cselib_clear_table.
614         * cselib.h (cselib_clear_table): Add prototype.
615         * gcse.c (gcse_main): Make 'f' argument unused.
616         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
617         of each basic block instead.
618         (compute_sets, compute_hash_table_work): Likewise.
619         (constprop_register): Change int 'alter_jumps' argument to bool.
620         (do_local_cprop): Likewise.
621         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
622         the insn chain.  Explicitly clear the cselib tables after finishing
623         one basic block.  Make sure there are no unterminated libcall blocks.
624         Update compute_sets call.
625         (cprop): Walk basic blocks instead of the insn chain.
626         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
627         Likewise.
628         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
629         one_cprop_pass calls.
630
631 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
632
633         * combine.c (combine_simplify_rtx): Remove a transformation that
634         relies on an invalid assumption about rtl sign-extension semantics.
635
636 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
637
638         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
639         to build_int_cst_wide.
640
641 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
642
643         PR target/20126
644         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
645         set the original address pseudo to the correct value before the
646         original insn, if possible, and leave the insn alone, otherwise
647         create a new pseudo, set it and replace it in the insn.
648         * recog.c (validate_change_maybe_volatile): New.
649         * recog.h (validate_change_maybe_volatile): Declare.
650
651 2005-04-09  Caroline Tice  <ctice@apple.com>
652
653         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
654         Remove targetm.have_named_sections test.
655         (fix_edges_for_rarely_executed_code): Likewise.
656         (insert_section_boundary_note): Likewise.
657         (reorder_basic_blocks): Check partitioning flag before calling
658         verify_hot_cold_block_grouping.
659         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
660         the function struct rather than global variables.
661         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
662         (COLD_END_LABEL): Likewise
663         (cold_text_section_label): New static global variable.
664         (cold_end_label): Likewise.
665         (dwarf2out_switch_text_section): Get hot/cold section labels from
666         the function struct rather than global variables.
667         (output_aranges): Use cold_text_section_label and cold_end_label;
668         check partitioning flag before putting out delta.
669         (output_ranges): Remove incorrect code attempting to use
670         hot/cold labels.
671         (output_line_info): Get cold section label from function struct.
672         (add_location_or_const_value_attribute): Likewise.
673         (get_subprogram_die): Get hot/cold section labels from function struct.
674         (dwarf2out_var_location): Likewise.
675         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
676         write out cold_text_section_label if partition flag is set.
677         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
678         * function.h (struct function): Add new fields to point to hot/cold
679         section labels: hot_section_label, cold_section_label,
680         hot_section_end_label and cold_section_end_label; also add new field
681         for cold text section name, unlikely_text_section_name.
682         * opts.c (decode_options): Turn off partitioning flag if
683         !targetm.have_named_sections.
684         * output.h (hot_section_label): Remove.
685         (hot_section_end_label): Remove.
686         (cold_section_end_label): Remove.
687         (unlikely_section_label): Remove.
688         (unlikely_text_section_name): Remove.
689         * passes.c (rest_of_handle_final):  Remove code that frees
690         unlikely_text_section_name.
691         * varasm.c (unlikely_section_label): Remove.
692         (hot_section_label): Remove.
693         (hot_section_end_label): Remove.
694         (cold_section_end_label): Remove.
695         (unlikely_text_section_name):  Remove.
696         (initialize_cold_section_name): Modify to call
697         targetm.strip_name_encoding; to store cold section name in current
698         function struct, if it exists; and to only use the decl_section_name
699         if flag_named_sections is true.
700         (unlikely_text_section): Modify to get section name out of current
701         function struct, if there is one; otherwise build it from
702         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
703         (in_unlikely_text_section): Likewise.
704         (named_section): Modify to get/put cold section name in current function
705         struct, if there is one.
706         (function_section):  Change 'bool unlikely' to 'int reloc'; check
707         targetm.have_named_sections before calling named_section.
708         (current_function_section): Likewise.
709         (assemble_start_function): Modify to get/put unlikely_text_section_name
710         in current function struct; modify to get hot/cold section labels
711         from function struct; initialize labels using 
712         ASM_GENERATE_INTERNAL_LABEL;
713         test partitioning flag before writing out hot section label.
714         (assemble_end_function): Test partitioning flag before writing out
715         hot/cold section labels.
716         (default_section_type_flags_1):  Modify to use array instead of
717          char* for unlikely_text_section_name; set flags correctly for
718          cold text section if there is not a current function decl.
719
720 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
721
722         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
723         and TI_VA_LIST_FPR_COUNTER_FIELD.
724         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
725         * tree-pass.h (pass_stdarg): Add.
726         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
727         * tree-stdarg.c: New file.
728         * tree-stdarg.h: New file.
729         * Makefile.in (OBJS-common): Add tree-stdarg.o.
730         (tree-stdarg.o): Add dependencies.
731         * function.h (struct function): Add va_list_gpr_size and
732         va_list_fpr_size fields.
733         * function.c (allocate_struct_function): Initialize them.
734         * target.h (struct gcc_target): Add stdarg_optimize_hook.
735         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
736         (TARGET_INITIALIZER): Add it.
737
738         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
739         va_list_{g,f}pr_counter_field.
740         (ix86_setup_incoming_varargs): Don't do anything if reg_save
741         area will not be used.  Only save registers that tree-stdarg.c
742         detected they need saving.
743         (ix86_va_start): Don't set up fields that won't be used.
744
745         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
746         va_list_{g,f}pr_counter_field.
747         (setup_incoming_varargs): Don't do anything if reg_save
748         area will not be used.  Only save registers that tree-stdarg.c
749         detected they need saving.
750         (rs6000_va_start): Don't set up fields that won't be used.
751
752         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
753         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
754         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
755         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
756
757 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
758
759         PR target/20795
760         * config/i386/i386.c (construct_container): Pass empty aligned
761         struct, union or class in memory.
762
763 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
764
765         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
766         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
767         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
768         config/rs6000/predicates.md: Fix comment typos.
769
770         * sched-int.h (haifa_insn_data): Remove blockage and units.
771         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
772         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
773         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
774
775 2005-04-09  Jan Hubicka  <jh@suse.cz>
776             Steven Bosscher  <stevenb@suse.de>
777
778         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
779         * cfgloop.c (get_loop_exit_edges): Likewise.
780         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
781         (unloop): Likewise.
782         * loop-unroll.c (analyze_insns_in_loop): Likewise.
783         * tree-cfg.c (dump_cfg_status): Likewise.
784
785 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
786
787         * config/rs6000/predicates.md (altivec_register_operand): Remove
788         redundant match_code test.
789         (gpc_reg_operand): Same.
790         (cc_reg_operand): Same.
791         (cc_reg_not_cr0_operand): Same.
792
793 2005-04-09  Jan Hubicka  <jh@suse.cz>
794
795         Forgotten hunk from my last merge patch:
796         * final.c (output_addr_const): Do not call mark_referenced.
797
798 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
799
800         * doc/tree-ssa.texi: Add immediate use documentation.
801
802 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
803
804         * arm.c (FL_WBUF): Define.
805         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
806         (arm_is_6_or_7): Delete.
807         (arm_tune_wbuf): New.
808         (arm_override_options): Set arm_tune_wbuf.
809         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
810         (arm_is_6_or_7): Delete declaration.
811         (arm_tune_wbuf): New declartion.
812         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
813         (model_wbuf): Derive from arm_tune_wbuf.
814         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
815         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
816         (arm740t): Mark CPUs as having a write buffer.
817
818 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
819
820         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
821         of 'const_double_operand' in operand 2 constraints.  Update enable
822         condition.
823
824 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
825
826         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
827         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
828         * optabs.h (enum optab_index): Add new OTI_lfloor.
829         (lfloor_optab): Define corresponding macro.
830         * optabs.c (init_optabs): Initialize lfloor_optab.
831         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
832         and lfloordi2 patterns.
833         * builtins.c (expand_builtin_int_roundingfn): New prototype.
834         (expand_builtin_int_roundingfn): New function.
835         (fold_builtin_int_roundingfn): New prototype.
836         (fold_builtin_int_roundingfn): New function, renamed from
837         fold_builtin_lround.
838         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
839         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
840         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
841         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
842         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
843         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
844         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
845         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
846         into lfloor built-in function and (long long int)floor{,f,l} into
847         llfloor built-in function.
848         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
849         BUILT_IN_LLFLOOR.
850
851 2005-04-08  Ian Lance Taylor  <ian@airs.com>
852
853         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
854         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
855         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
856         (DO_COND, DO_BODY): Likewise.
857         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
858         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
859         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
860         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
861         (build_continue_stmt, build_break_stmt): Don't declare.
862         (c_do_switch_warnings): Update declaration.
863         * c-gimplify.c (enum bc_t): Remove.
864         (struct c_gimplify_ctx, ctxp): Remove.
865         (push_context, pop_context): Remove static functions.
866         (c_genericize): Don't call push_context or pop_context.
867         (begin_bc_block, finish_bc_block): Remove static functions.
868         (build_bc_goto): Likewise.
869         (gimplify_c_loop): Likewise.
870         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
871         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
872         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
873         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
874         * c-common.c (c_do_switch_warnings): Rename from
875         c_do_switch_warnings_1.
876         (c_do_switch_warnings) [old version]: Remove.
877         (c_do_switch_expr_warnings): Remove.
878         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
879         function instead of c_do_switch_expr_warnings.
880         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
881         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
882         * c-pretty-print.c (pp_c_statement): Likewise.
883         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
884
885 2005-04-08  Devang Patel  <dpatel@apple.com>
886
887         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
888         While selecting replacement condition pay attention to loop header.
889
890 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
891
892         Merge from tree-cleanup-branch: VRP, store CCP, store
893             copy-prop, incremental SSA updating of FUD chains and
894             newly exposed symbols.
895
896         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
897         (OBJS-common): Add tree-vrp.o.
898         (tree-vrp.o): New rule.
899         * basic-block.h (nearest_common_dominator_for_set): Declare.
900         * common.opt (ftree-store-ccp): New flag.
901         (ftree-copy-prop): New flag.
902         (ftree-vrp): New flag.
903         (ftree-store-copy-prop): New flag.
904         * dominance.c (nearest_common_dominator_for_set): New.
905         * domwalk.c (walk_dominator_tree): Only traverse
906         statements in blocks marked in walk_data->interesting_blocks.
907         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
908         * fold-const.c (fold): Handle ASSERT_EXPR.
909         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
910         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
911         flag_tree_vrp at -O2.
912         * timevar.def (TV_TREE_VRP): Define.
913         (TV_TREE_COPY_PROP): Define.
914         (TV_TREE_STORE_COPY_PROP): Define.
915         (TV_TREE_SSA_INCREMENTAL): Define.
916         (TV_TREE_STORE_CCP): Define.
917         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
918         to kill_redundant_phi_nodes from comment.
919         (verify_expr): Handle ASSERT_EXPR.
920         * tree-dfa.c (mark_new_vars_to_rename): Remove second
921         argument.  Update all users.
922         (mark_call_clobbered_vars_to_rename): Remove.  Update all
923         users.
924         * tree-flow-inline.h (unmodifiable_var_p): New.
925         * tree-flow.h (enum value_range_type): Declare.
926         (struct value_range_def): Declare.
927         (value_range): Declare.
928         (remove_all_phi_nodes_for): Remove.  Update all users.
929         (find_phi_node_for): Declare.
930         (add_type_alias): Declare.
931         (count_uses_and_derefs): Declare.
932         (kill_redundant_phi_nodes): Remove.
933         (rewrite_into_ssa): Remove.
934         (rewrite_def_def_chains): Remove.
935         (update_ssa, register_new_name_mapping, create_new_def_for,
936         need_ssa_update_p, name_registered_for_update_p,
937         release_ssa_name_after_update_ssa, dump_repl_tbl,
938         debug_repl_tbl, dump_names_replaced_by,
939         debug_names_replaced_by, mark_sym_for_renaming,
940         mark_set_for_renaming, get_current_def, set_current_def,
941         get_value_range, dump_value_range, debug_value_range,
942         dump_all_value_ranges, debug_all_value_ranges,
943         expr_computes_nonzero, loop_depth_of_name,
944         unmodifiable_var_p): Declare.
945         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
946         ASSERT_EXPR.
947         * tree-into-ssa.c (block_defs_stack): Update comment.
948         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
949         syms_to_rename, names_to_release, repl_tbl,
950         need_to_initialize_update_ssa_p, need_to_update_vops_p,
951         need_to_replace_names_p): New locals.
952         (NAME_SETS_GROWTH_FACTOR): Define.
953         (struct repl_map_d): Declare.
954         (struct mark_def_sites_global_data): Add field
955         interesting_blocks.
956         (enum rewrite_mode): Declare.
957         (REGISTER_DEFS_IN_THIS_STMT): Define.
958         (compute_global_livein): Use last_basic_block instead of
959         n_basic_blocks.
960         (set_def_block): Remove last argument.  Update all callers.
961         (prepare_use_operand_for_rename): Remove.  Update all callers.
962         (prepare_def_operand_for_rename): Remove.  Update all callers.
963         (symbol_marked_for_renaming): New.
964         (is_old_name): New.
965         (is_new_name): New.
966         (repl_map_hash): New.
967         (repl_map_eq): New.
968         (repl_map_free): New.
969         (names_replaced_by): New.
970         (add_to_repl_tbl): New.
971         (add_new_name_mapping): New.
972         (mark_def_sites): Assume that all the operands in the
973         statement are in normal form.
974         (find_idf): Assert that the block in the stack is valid.
975         (get_default_def_for): New.
976         (insert_phi_nodes_for): Add new argument 'update_p'.
977         Add documentation.
978         If update_p is true, add a new mapping between the LHS of
979         each new PHI and the name that it replaces.
980         (insert_phi_nodes_1): Only call find_idf if needed.
981         (get_reaching_def): Call get_default_def_for.
982         (rewrite_operand): Remove.
983         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
984         and REWRITE_THIS_STMT are false.
985         Assume that all the operands in the statement are in
986         normal form.
987         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
988         (rewrite_virtual_phi_arguments): Remove.
989         (invalidate_name_tags): Remove.
990         (register_new_update_single, register_new_update_set,
991         rewrite_update_init_block, replace_use,
992         rewrite_update_fini_block, rewrite_update_stmt,
993         rewrite_update_phi_arguments): New.
994         rewrite_blocks): Remove argument 'fix_virtual_phis'.
995         Add arguments 'entry', 'what' and 'blocks'.
996         Initialize the dominator walker according to 'what' and
997         'blocks'.
998         Start the dominator walk at 'entry'.
999         (mark_def_site_blocks): Add argument 'interesting_blocks'.
1000         Use it to configure the dominator walker.
1001         (rewrite_into_ssa): Remove argument 'all'.
1002         Make internal.
1003         (rewrite_all_into_ssa): Remove.
1004         (rewrite_def_def_chains): Remove.
1005         (mark_def_interesting, mark_use_interesting,
1006         prepare_phi_args_for_update, prepare_block_for_update,
1007         prepare_def_site_for, prepare_def_sites,
1008         dump_names_replaced_by, debug_names_replaced_by,
1009         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
1010         delete_update_ssa, create_new_def_for,
1011         register_new_name_mapping, mark_sym_for_renaming,
1012         mark_set_for_renaming, need_ssa_update_p,
1013         name_registered_for_update_p, ssa_names_to_replace,
1014         release_ssa_name_after_update_ssa,
1015         insert_updated_phi_nodes_for, update_ssa): New.
1016         * tree-loop-linear.c (linear_transform_loops): Call
1017         update_ssa instead of rewrite_into_ssa.
1018         * tree-optimize.c (vars_to_rename): Remove.
1019         Update all users.
1020         (init_tree_optimization_passes): Replace
1021         pass_redundant_phi with pass_copy_prop.
1022         Add pass_vrp.
1023         Replace pass_ccp with pass_store_ccp.
1024         Add pass_store_copy_prop after pass_store_ccp.
1025         (execute_todo): If the TODO_ flags don't include updating
1026         the SSA form, assert that it does not need to be updated.
1027         Call update_ssa instead of rewrite_into_ssa and
1028         rewrite_def_def_chains.
1029         If TODO_verify_loops is set, call verify_loop_closed_ssa.
1030         (tree_rest_of_compilation):
1031         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
1032         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
1033         TODO_cleanup_cfg): Renumber.
1034         (TODO_verify_loops, TODO_update_ssa,
1035         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
1036         TODO_update_ssa_only_virtuals): Define.
1037         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
1038         Declare.
1039         * tree-phinodes.c (make_phi_node): Update documentation.
1040         (remove_all_phi_nodes_for): Remove.
1041         (find_phi_node_for): New.
1042         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
1043         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
1044         (interpret_rhs_modify_expr): Likewise.
1045         * tree-sra.c (decide_instantiations): Mark all symbols in
1046         SRA_CANDIDATES for renaming.
1047         (mark_all_v_defs_1): Rename from mark_all_v_defs.
1048         (mark_all_v_defs): New function.  Update all users to call it 
1049         with the whole list of scalarized statements, not just the
1050         first one.
1051         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
1052         (compute_flow_insensitive_aliasing): If the tag is
1053         unmodifiable and the variable isn't or vice-versa, don't
1054         make them alias of each other.
1055         (setup_pointers_and_addressables): If the type tag for
1056         VAR is about to change, mark the old one for renaming.
1057         (add_type_alias): New.
1058         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
1059         (ccp_lattice_t): Rename from latticevalue.
1060         (value): Remove.  Update all users.
1061         (const_val): New local variable.
1062         (do_store_ccp): New local variable.
1063         (dump_lattice_value): Handle UNINITIALIZED.
1064         (debug_lattice_value): New.
1065         (get_default_value): Re-write.
1066         (set_lattice_value): Re-write.
1067         (def_to_varying): Remove.  Update all users.
1068         (likely_value): Return VARYING for statements that make
1069         stores when STORE_CCP is false.
1070         Return VARYING for any statement other than MODIFY_EXPR,
1071         COND_EXPR and SWITCH_EXPR.
1072         (ccp_initialize): Re-write.
1073         (replace_uses_in, replace_vuse_in, substitute_and_fold):
1074         Move to tree-ssa-propagate.c.
1075         (ccp_lattice_meet): Handle memory stores when
1076         DO_STORE_CCP is true.
1077         (ccp_visit_phi_node): Likewise.
1078         (ccp_fold): Likewise.
1079         (evaluate_stmt): Likewise.
1080         (visit_assignment): Likewise.
1081         (ccp_visit_stmt): Likewise.
1082         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
1083         into DO_STORE_CCP.
1084         (do_ssa_ccp): New.
1085         (pass_ccp): Use it.
1086         (do_ssa_store_ccp): New.
1087         (gate_store_ccp): New.
1088         (pass_store_ccp): Declare.
1089         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
1090         (may_propagate_copy): Reformat.
1091         Don't abort if ORIG is a virtual and DEST isn't.
1092         If NEW does not have alias information but DEST does,
1093         copy it.
1094         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
1095         copy_prop_kind, which_copy_prop): Declare.
1096         (stmt_may_generate_copy, get_copy_of_val,
1097         get_last_copy_of, set_copy_of_val, dump_copy_of,
1098         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
1099         copy_prop_visit_stmt, copy_prop_visit_phi_node,
1100         init_copy_prop, fini_copy_prop, execute_copy_prop,
1101         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
1102         store_copy_prop): New.
1103         (pass_copy_prop, pass_store_copy_prop): Declare.
1104         * tree-ssa-dom.c (struct opt_stats_d): Add fields
1105         'num_const_prop' and 'num_copy_prop'.
1106         (cprop_operand): Update them.
1107         (dump_dominator_optimization_stats): Dump them.
1108         (tree_ssa_dominator_optimize): Call update_ssa instead of
1109         rewrite_into_ssa.
1110         (loop_depth_of_name): Declare extern.
1111         (simplify_cond_and_lookup_avail_expr): Guard against NULL
1112         values for LOW or HIGH.
1113         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
1114         (record_equivalences_from_stmt): Call expr_computes_nonzero.
1115         (cprop_operand): Only propagate if VAL != OP.
1116         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
1117         statement for renaming.
1118         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
1119         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
1120         add_type_alias if necessary.
1121         Call mark_new_vars_to_rename.
1122         (tree_ssa_iv_optimize): If new symbols need to be renamed,
1123         mark every statement updated, call update_ssa and
1124         rewrite_into_loop_closed_ssa.
1125         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
1126         from LIVEIN if VAR is a virtual.
1127         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
1128         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
1129         (get_call_expr_operands): Reformat statement.
1130         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
1131         symbols.
1132         * tree-ssa-propagate.c (ssa_prop_init): Initialize
1133         SSA_NAME_VALUE for every name.
1134         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
1135         get_value_loaded_by): New.
1136         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
1137         substitute_and_fold): Move from tree-ssa-ccp.c.
1138         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
1139         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
1140         get_value_loaded_by, replace_uses_in, substitute_and_fold):
1141         Declare.
1142         * tree-ssa.c (verify_use): Fix error message.
1143         (propagate_into_addr, replace_immediate_uses, get_eq_name,
1144         check_phi_redundancy, kill_redundant_phi_nodes,
1145         pass_redundant_phi): Remove.  Update all users.
1146         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
1147         add_type_alias, if necessary.
1148         * tree-vectorizer.h (struct _stmt_vect_info): Update
1149         documentation for field 'memtag'.
1150         * tree-vrp.c: New file.
1151         * tree.def (ASSERT_EXPR): Define.
1152         * tree.h (ASSERT_EXPR_VAR): Define.
1153         (ASSERT_EXPR_COND): Define.
1154         (SSA_NAME_VALUE_RANGE): Define.
1155         (struct tree_ssa_name): Add field 'value_range'.
1156         (PHI_REWRITTEN): Remove.
1157         (struct tree_phi_node): Remove field 'rewritten'.
1158         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
1159         -ftree-store-copy-prop): Document.
1160         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
1161         Document usage of update_ssa.
1162
1163 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
1164
1165         PR target/20814
1166         * config/rs6000/predicates.md (altivec_register_operand): Accept
1167         SUBREG. 
1168         (and64_operand): Do not limit CONST_INT to mask64_operand.
1169         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
1170         (and_operand): Do not limit CONST_INT to mask_operand.
1171
1172 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
1173
1174         PR rtl-optimization/20466
1175         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
1176         for overlap of the address of each list member.
1177         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
1178
1179 2005-04-08  Mike Stump  <mrs@apple.com>
1180
1181         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
1182         
1183         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
1184         instead of 4.
1185
1186 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
1187
1188         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
1189
1190         * function.c (push_function_context_to): Don't set
1191         contains_functions.
1192         * function.h (function): Remove contains_functions.
1193         (current_function_contains_functions): Remove.
1194
1195         * function.h (function): Remove instrument_entry_exit.
1196         (current_function_instrument_entry_exit): Remove.
1197
1198         * function.h (nonlocal_labels): Remove.
1199
1200         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
1201
1202         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
1203         (check_attr_value, write_attr_get, write_expr_attr_cache,
1204         find_attr, make_internal_attr): Don't reference negative_ok or
1205         unsigned_p.
1206         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
1207         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
1208         (ATTR_STATIC): Adjust the value.
1209
1210         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
1211
1212 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
1213
1214         * config/s390/tpf.h (ASM_SPEC): Define.
1215
1216 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
1217
1218         * tree-flow.h: Remove the prototype for
1219         redirect_immediate_uses.
1220         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
1221
1222 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
1223
1224         * arm.c (arm_const_double_by_parts): New function.
1225         * arm-protos.h (arm_const_double_by_parts): Add prototype.
1226         * arm.md (define_split for 64-bit constants): Add another one.
1227
1228 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
1229
1230         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
1231
1232 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1233
1234         * system.h: Revert last change.
1235
1236 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
1237
1238         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
1239         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
1240         (TARGET_SWITCHES): Delete.
1241         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
1242         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
1243         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
1244         * config/xtensa/xtensa.opt: New file.
1245
1246 2005-04-08  Ben Elliston  <bje@au.ibm.com>
1247
1248         * config/fp-bit.c: Include L_mul_tf in #endif comment.
1249         * config/fp-bit.h: Tidy comments.
1250
1251 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1252
1253         * system.h: Poison PARAMS.
1254
1255 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
1256
1257         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
1258         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
1259         (TARGET_SWITCHES): Delete.
1260         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
1261         * config/vax/vax.opt: New file.
1262
1263 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
1264
1265         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
1266
1267 2005-04-07  Ian Lance Taylor  <ian@airs.com>
1268
1269         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
1270         define.
1271         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
1272         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
1273         Likewise.
1274
1275 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
1276
1277         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
1278         all immediate uses in PHI nodes.
1279
1280 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
1281
1282         * arm.c (arm_const_double_inline_cost): Handle any constant by
1283         using gen_lowpart and gen_highpart_mode.
1284         (note_invalid_constants): All constants in an RTX with a constraint
1285         that permits memory are now pushed to the constant pool.
1286         (output_move_double): Delete code to handle reg to reg and 
1287         constant to reg moves.
1288         (const_double_needs_minipool, output_mov_immediate): Delete.
1289         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
1290         CONST_INT and CONST_VECTOR.
1291         * arm.md (ANY64): New mode macro.
1292         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
1293         (movdf_soft_insn): Split reg-reg and const-reg moves.
1294         (split patterns for 64-bit constant and register moves): New.
1295         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
1296         (cirrus_movdf_hard_insn): Likewise.
1297         * fpa.md (movdf_fpa): Likewise.
1298         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
1299         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
1300         constraints.
1301         (movv2si_internal_2): Likewise.
1302         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
1303         (movdf_vfp): Likewise.
1304         * arm-protos.h (output_mov_immediate): Delete prototype.
1305
1306 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
1307
1308         PR target/20093
1309         * simplify-rtx.c (simplify_unary_operation_1): Check
1310         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
1311
1312 2005-04-06  James E Wilson  <wilson@specifixinc.com>
1313
1314         PR target/20717
1315         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
1316         ADDR_EXPR.
1317
1318 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
1319
1320         * coverage.h (GCOV_TYPE_NODE): Delete.
1321         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
1322         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
1323         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
1324         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
1325         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
1326
1327 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
1328
1329         PR other/20792
1330         * Makefile.in (gcc.pot): Remove options.c dependency.
1331         * optc-gen.awk: Don't quote help strings with N_().
1332
1333 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
1334
1335         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
1336         the function returns a pointer type.
1337
1338 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
1339
1340         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
1341         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
1342         * doc/invoke.texi: Documnet salias-max-implicit-fields.
1343         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
1344         explicit_uses members.
1345         (get_or_create_used_part_for): Initialize new fields.
1346         (fieldoff_compare): New function.
1347         (create_overlap_variables_for): Count number of fields, use
1348         heuristic to determine whether to create subvars for vars with
1349         only implicit uses.
1350         Sort the field list by offset and avoid creating duplicate SFT's.
1351
1352 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
1353
1354         * c.opt (-F): Remove trailing whitespace from help string.
1355         (-finput-charset): Use a tab to separate the switch name and help
1356         string.
1357         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
1358         (-ftree-vectorizer-verbose): Likewise.
1359
1360 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
1361
1362         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
1363         a PHI argument where a use occurs instead of all PHI arguments.
1364
1365 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
1366
1367         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
1368         scope.
1369
1370 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
1371
1372         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
1373         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
1374         config/bfin/bfin.h: Fix comment typos.
1375
1376 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
1377
1378         * doc/install.texi: Update the URL for Jacks.
1379         * doc/sourcebuild.texi: Likewise.
1380
1381 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
1382
1383         PR target/17245
1384         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
1385         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
1386
1387 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
1388
1389         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
1390
1391 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
1392
1393         * config/v850/v850-protos.h (override_options): Delete.
1394         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
1395         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
1396         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
1397         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
1398         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
1399         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
1400         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
1401         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
1402         (OVERRIDE_OPTIONS): Delete.
1403         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
1404         (small_memory_info): Remove the value field.
1405         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
1406         TARGET_NO_APP_REGS.
1407         * config/v850/v850.c (small_memory): Remove the value field.
1408         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1409         (override_options): Delete.
1410         (v850_handle_memory_option, v850_handle_option): New functions.
1411         * config/v850/v850.opt: New file.
1412
1413 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
1414
1415         * config.host: Add a section for generic hosts, and a subsection
1416         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
1417         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
1418         * config/host-darwin.h: New.
1419         * config/x-darwin: New.
1420         * config/i386/host-i386-darwin.c: New.
1421         * config/i386/x-darwin: New.
1422         * config/rs6000/host-darwin.c: Include host-darwin.h.
1423         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
1424         (darwin_rs6000_gt_pch_use_address): Likewise.
1425         * config/rs6000/x-darwin: Change name of .o built, update
1426         dependencies for changes to rs6000/host-darwin.c.
1427
1428 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
1429
1430         PR target/17824
1431         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
1432
1433 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
1434
1435         * tree-vect-analyze.c (vect_analyze_loop_form): Call
1436         split_loop_exit_edge instead of loop_split_edge_with. 
1437
1438 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
1439
1440         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
1441         UNSPEC_SET_VSCR): New constants, used throughout.
1442         (*andc3_v4sf): New.
1443         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
1444         Replace with...
1445         (altivec_vspltis<VI_char>): ... this pattern, using
1446         a QImode const_int_operand for the immediate.
1447         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
1448         define_expands.
1449
1450 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
1451
1452         PR target/17822
1453         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
1454
1455 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
1456
1457         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
1458
1459 2005-04-06  Ben Elliston  <bje@au.ibm.com>
1460
1461         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
1462         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
1463         macros as living in "this file" and not gcc.h.
1464
1465 2005-04-06  Ben Elliston  <bje@au.ibm.com>
1466
1467         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
1468         -ftree-live_range_split.  Perhaps renamed at some point?
1469
1470 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
1471
1472         PR target/20625
1473         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
1474         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
1475
1476 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
1477
1478         * tree-flow.h (number_of_iterations_cond): Declaration removed.
1479         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
1480         (number_of_iterations_special): New function.
1481         (number_of_iterations_exit): Use number_of_iterations_special.
1482         Use simplify_using_outer_evolutions only at -O3.
1483         (number_of_iterations_cond, tree_simplify_using_condition,
1484         simplify_using_initial_conditions, loop_niter_by_eval,
1485         compare_trees, can_count_iv_in_wider_type_bound,
1486         simplify_using_outer_evolutions): Use fold_build.
1487
1488 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
1489
1490         * doc/install.texi (Configuration): Document --with-java-home.
1491
1492 2005-04-05  Richard Henderson  <rth@redhat.com>
1493
1494         PR target/20342
1495         PR target/20447
1496         * config/i386/i386.c (print_operand): Handle vector zeros.
1497         (ix86_split_to_parts): Handle CONST_VECTOR.
1498         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
1499         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
1500         what modes to tie for MMX and SSE registers.
1501         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
1502         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
1503         to vector modes as well.
1504         * config/i386/predicates.md (const0_operand): Handle VOIDmode
1505         properly as an input mode.
1506
1507 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
1508
1509         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
1510
1511 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
1512
1513         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
1514
1515 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
1516
1517         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
1518         and local functions, set sse_nregs to 8 and float_in_sse.
1519         (function_arg_advance, function_arg): If float_in_sse, pass
1520         SFmode and DFmode arguments in SSE registers.
1521         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
1522
1523         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
1524         of -funit-at-a-time.
1525
1526 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
1527
1528         * config/i386/i386-protos.h (ix86_function_value): Accept two
1529         arguments, like the target macro.
1530         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
1531         * config/i386/i386.c (ix86_function_value): Accept the second
1532         argument of the target macro.
1533         (ix86_function_ok_for_sibcall): Pass a function pointer to
1534         ix86_function_value.
1535         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
1536         call to ix86_value_regno).
1537         (ix86_value_regno): Add support for returning floating point values
1538         in SSE registers.
1539
1540 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
1541
1542         PR tree-optimization/20076
1543         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
1544         that call __builtin_return or __builtin_apply_args.
1545
1546 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
1547
1548         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
1549         Use immediate use iterator.
1550         (stmt_is_bumper_for_loop): Use immediate use iterator.
1551         * predict.c (strip_builtin_expect): Use update_stmt.
1552         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
1553         on all elements of a STATEMENT_LIST.
1554         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
1555         (bsi_remove): Remove imm_use links and mark the stmt as modified.
1556         (bsi_replace): Mark stmt as modified and the update it.
1557         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
1558         (expand_complex_libcal): Call update_stmt.
1559         (expand_complex_comparison): Call mark_stmt_modified.
1560         (expand_complex_operations_1): Call update_stmt_if_modified.
1561         (expand_vector_operations_1): Call mark_stmt_modified.
1562         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
1563         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
1564         add_immediate_use, redirect_immediate_use,
1565         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
1566         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
1567         (mark_new_vars_to_rename): Call update_stmt.
1568         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
1569         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.  
1570         Ignore PHI nodes.
1571         (unmodify_stmt): Delete.
1572         (update_stmt): New.  Force an update of a stmt.
1573         (update_stmt_if_modified): update a stmt if it is out of date.
1574         (get_stmt_operands): Verify stmt is NOT modified. 
1575         (stmt_modified_p): Update comment.
1576         (delink_imm_use): Remove a use node from its immuse list.
1577         (link_imm_use_to_list): Link a use node to a specific list.
1578         (link_imm_use): Link a node to the correct list.
1579         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
1580         it in the correct list, if appropriate.
1581         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
1582         (relink_imm_use): Link a use node in place of another node in a list.
1583         (relink_imm_use_stmt): LInk a node in place of another node, and set
1584         the stmt pointer.
1585         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
1586         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
1587         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
1588         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
1589         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
1590         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
1591         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
1592         (has_zero_uses): New.  Return true if there are no uses of a var.
1593         (has_single_use): New.  Return true if there is only a single use of a
1594         variable.
1595         (single_imm_use): New.  Return the simgle immediate use.
1596         (num_imm_uses): New.  Return the number of immediate uses.
1597         (get_v_must_def_ops): Use is now a pointer.
1598         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
1599         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of 
1600         the use node.
1601         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
1602         (delink_stmt_imm_use): Delink all immuses from a stmt.
1603         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
1604         * tree-flow.h (struct dataflow_d): Delete.
1605         (immediate_use_iterator_d): New.  Immediate use iterator struct.
1606         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
1607         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
1608         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe 
1609         iteration.
1610         (struct stmt_ann_d): Remove dataflow_t from struct.
1611         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
1612         (if_convertible_phi_p): Use FAST immuse iterator.
1613         (if_convertible_loop_p): Don't call compute_immediate_uses.
1614         (replace_phi_with_cond_modify_expr): Call update_stmt.
1615         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call 
1616         update_stmt_if_modified.
1617         (rewrite_all_into_ssa): Initialize ssa operands.
1618         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
1619         compute_immediate_uses.
1620         * tree-optimize.c (execute_todo): Call verify_ssa whenever the 
1621         ssa_property is available.
1622         (execute_one_pass):  Change parameters passed to execute_todo.
1623         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
1624         (remove_ssa_form): Call fini_ssa_operands.
1625         (insert_backedge_copies): Delete call to modify_stmt.
1626         * tree-phinodes.c (make_phi_node): Initialize use nodes.
1627         (release_phi_node): Delink any use nodes before releasing.
1628         (resize_phi_node): Relink any use nodes.
1629         (remove_phi_arg_num): Delink the use node.
1630         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
1631         (remove_all_phi_nodes_for): Release phi node first.
1632         * tree-pretty-print.c (dump_generic_node): Print stmt address.
1633         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
1634         (scalarize_use, scalarize_copy): Call update_stmt.
1635         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
1636         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
1637         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
1638         (ccp_initialize): Remove call to compute_immediate_uses.
1639         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
1640         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified 
1641         stmts.
1642         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
1643         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
1644         (eliminate_redundant_computations): Call mark_stmt_modified.
1645         (cprop_operand): Call mark_stmt_modified.
1646         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
1647         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
1648         (dse_optimize_stmt): Use new immuse interface.
1649         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
1650         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
1651         (substitute_single_use_vars): Use new immuse interface.
1652         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
1653         and compute_immediate_uses.
1654         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse 
1655         interface.
1656         (rewrite_mem_refs): Call update_stmt.
1657         (determine_lsm): Remove call to compute_imm_uses and free_df.
1658         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
1659         (try_unroll_loop_completely): Call update_stmt.
1660         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
1661         (rewrite_use_compare): Call update_stmt.
1662         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
1663         (rewrite_use) : Call update_stmt.
1664         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
1665         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call 
1666         update_stmt.
1667         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
1668         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
1669         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
1670         use nodes.
1671         (initialize_vuse_operand): New.  Initialize a vuse operand.
1672         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
1673         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
1674         (finalize_ssa_defs): Use stmt parameter.
1675         (correct_use_link): Ensure a use node is in the correct list, and has
1676         the correct stmt pointer.
1677         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
1678         finalize_ssa_v_must_defs): Also initialize use nodes.
1679         (finalize_ssa_stmt_operands): Pass extra stmt operands.
1680         (build_ssa_operands): Seperate parsing from final operand construction.
1681         (parse_ssa_operands): New.  Parse entry point for operand building.
1682         (swap_tree_operands): New.  Swap 2 tree operands.
1683         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
1684         operands.
1685         (get_expr_operands): Call swap_tree_operands when needed.
1686         (copy_virtual_operands): Use initialize routines for virtual use ops.
1687         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
1688         (verify_abort): New.  Issue imm_use error.
1689         (verify_imm_links): New Verify imm_use links for a var.
1690         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
1691         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
1692         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
1693         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
1694         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
1695         (NULL_USE_OPERAND_P) Define.
1696         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
1697         use node.
1698         (struct vuse_operand_type): New struct.
1699         (SET_USE): Call set_ssa_use_from_ptr.
1700         (USE_STMT): Define.
1701         (PHI_ARG_INDEX_FROM_USE): Define.
1702         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi 
1703         argument via SET_USE, not PHI_ARG_DEF_TREE.
1704         * tree-ssa-pre.c (eliminate): Call update_stmt.
1705         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
1706         call free_df.
1707         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
1708         (nearest_common_dominator_of_uses): Use imm_use iterator.
1709         (statement_sink_location): Use imm_use iterator and interface.
1710         (execute_sink_code): Don't call compute_immediate_uses or free-df.
1711         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
1712         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
1713         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
1714         (verify_ssa): Ensure no stmt is marked modify after optimization pass
1715         if new parameter is true.
1716         (init_tree_ssa): Don't initialize operand cache here.
1717         (delete_tree_ssa): Don't destroy operand cache here.
1718         (propagate_into_addr): Pass in a use pointer, return true if anything
1719         was changed.
1720         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
1721         (check_phi_redundancy): Use imm_use iterator.
1722         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or 
1723         free_df.
1724         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
1725         (release_ssa_name): Delink node and all elements in its imm_use list.
1726         * tree-tailcall.c (adjust_return_value): Call update_stmt.
1727         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
1728         * tree-vectorizer.c (need_imm_uses_for): Delete.
1729         (vectorize_loops): Dont call compute_immediate_uses or free_df.
1730         * tree.h (struct ssa_imm_use_d): Define.
1731         (SSA_NAME_IMM_USE_NODE): Define.
1732         (struct tree_ssa_name): Add imm_use node.
1733         (PHI_DF): Delete.
1734         (PHI_ARG_IMM_USE_NODE): Define.
1735         (struct phi_arg_d): Add imm_use node.
1736         (struct tree_phi_node): Remove struct dataflow_d element.
1737         (TDF_STMTADDR): Define.
1738
1739 2005-04-05  Dale Johannesen  <dalej@apple.com>
1740
1741         * doc/invoke.texi (Optimization Options):  Remove
1742         duplicate -fcse-follow-jumps.  Add -fweb.
1743         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
1744         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
1745
1746 2005-04-05  Per Bothner  <per@bothner.com>
1747
1748         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
1749         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
1750         (warn_uninit): Get EXPR_LOCUS from context now instead.
1751         This fixes a USE_MAPPED_LOCATION testsuite failure.
1752
1753         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
1754
1755 2005-04-05  Per Bothner  <per@bothner.com>
1756
1757         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
1758         of the artification 'return 0' in main() to BUILTINS_LOCATION.
1759         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
1760         before warning. 
1761
1762 2004-04-05  Devang Patel  <dpatel@apple.com>
1763
1764         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
1765         (lhsr<mode>3): ... new name.
1766         (altivec_vsra<VI_char>): Rename to ..
1767         (ashr<mode>3): ... new name.
1768         * config/rs6000/rs6000.c (builtin_description): Rename shift
1769         operations.
1770         
1771 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
1772
1773         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
1774         gen_lowpart_for_combine.
1775         * cse.c (gen_lowpart_if_possible): Move...
1776         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
1777         gen_lowpart_SUBREG.
1778         (gen_lowpart_no_emit_general): Use it.
1779
1780 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
1781
1782         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
1783         overriding.
1784
1785 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
1786
1787         * system.h: Fix typo.
1788
1789 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
1790
1791         * config/bfin/bfin-modes.def: New file.
1792         * config/bfin/bfin-protos.h: New file.
1793         * config/bfin/bfin.c: New file.
1794         * config/bfin/bfin.h: New file.
1795         * config/bfin/bfin.md: New file.
1796         * config/bfin/bfin.opt: New file.
1797         * config/bfin/crti.s: New file.
1798         * config/bfin/crtn.s: New file.
1799         * config/bfin/elf.h: New file.
1800         * config/bfin/lib1funcs.asm: New file.
1801         * config/bfin/predicates.md: New file.
1802         * config/bfin/t-bfin: New file.
1803         * config/bfin/t-bfin-elf: New file.
1804         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
1805         Document new attributes.
1806         (interrupt, interrupt_handler, saveall): Update documentation for
1807         these attributes.
1808         * doc/install.texi (Specific): Add entry for the Blackfin.
1809         * doc/invoke.texi (Blackfin Options): New section.
1810         * doc/md.texi (Blackfin family): New section to document constraints.
1811         * config.gcc: Add bfin*-* and bfin*-elf configurations.
1812
1813 2005-04-05  Olivier Hainque  <hainque@adacore.com>
1814         
1815         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
1816         match what the system unwinder expects.
1817         * config/mips/mips.c (mips_frame_set): If we're saving the return
1818         address register and the dwarf return address column number differs
1819         from the hard register number, adjust the note reg to refer to the
1820         former.
1821
1822 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
1823
1824         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
1825         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
1826         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
1827         (processor_type): New enum.
1828         (mn10300_processor): New variable.
1829         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
1830         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
1831         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
1832         (PROCESSOR_DEFAULT): New macro.
1833         * config/mn10300/mn10300.c (mn10300_processor): New variable.
1834         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1835         (mn10300_handle_option, mn10300_override_options): New functions.
1836         * config/mn10300/mn10300.opt: New file.
1837
1838 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
1839             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
1840
1841         PR tree-optimization/19903
1842         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
1843         that don't fit in their type after conversion.
1844
1845 2005-04-05  Uros Bizjak <uros@kss-loka.si>
1846
1847         PR target/20421
1848         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
1849         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
1850         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
1851         flag here. Implement using define_insn_and_split.  
1852         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
1853         (frndintxf2_mask_pm_i387): New insn patterns.
1854         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
1855         Do not set ix86_optimize_mode_switching flag.
1856         (ceilsf2, ceildf2, ceilxf2): Same.
1857         (btruncsf2, btruncdf2, btruncxf2): Same.
1858         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
1859
1860 2005-04-05  Ian Lance Taylor  <ian@airs.com>
1861
1862         PR debug/9963
1863         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
1864         i386_pe_record_external_function.
1865         (i386_pe_record_external_function): Update declaration.
1866         * config/i386/winnt.c (struct extern_list): Add decl field.
1867         (i386_pe_record_external_function): Add decl parameter.
1868         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
1869         identifier.
1870         * config/i386/i386-protos.h (i386_pe_record_external_function):
1871         Update declaration.
1872
1873 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
1874
1875         * config/m68k/m68k-protos.h: Add a prototype for
1876         valid_dbcc_comparison_p_2.
1877         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
1878         extend_operator, const_uint32_operand, const_sint32_operand,
1879         general_src_operand, nonimmediate_src_operand,
1880         memory_src_operand, post_inc_operand, pre_dec_operand,
1881         pcrel_address): Move to predicates to predicates.md.
1882         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
1883         * config/m68k/m68k.md: Include predicates.md.
1884         * config/m68k/predicates.md: New.
1885
1886 2005-04-04  Roger Sayle  <roger@eyesopen.com>
1887
1888         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
1889
1890         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
1891
1892 2005-04-04  Ian Lance Taylor  <ian@airs.com>
1893
1894         * c-typeck.c (struct c_switch): Rename switch_stmt field to
1895         switch_expr.
1896         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
1897         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
1898         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
1899         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
1900         * c-common.c (c_do_switch_warnings_1): New static function broken
1901         out of c_do_switch_warnings.
1902         (c_do_switch_warnings): Call c_do_switch_warnings_1.
1903         (c_do_switch_expr_warnings): New function.
1904         * c-common.h (c_do_switch_expr_warnings): Declare.
1905
1906 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
1907             Daniel Jacobowitz  <dan@codesourcery.com>
1908
1909         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
1910         trapping divide.
1911         * rtlanal.c (may_trap_p): Same.
1912
1913 2005-04-04  Dale Johannesen  <dalej@apple.com>
1914
1915         * ChangeLog:  remove reference to ChangeLog.12.
1916
1917 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
1918
1919         CRIS epilogue as RTL.
1920         * config/cris/cris.md: Change all 0 in unspec 0 to
1921         CRIS_UNSPEC_PLT.
1922         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
1923         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
1924         patterns.
1925         ("return"): Change to define_expand.  Call cris_expand_return for
1926         actual expansion.
1927         ("*return_expanded"): New pattern.
1928         ("epilogue"): New define_expand.
1929         * config/cris/cris.h (PREDICATE_CODES): Add
1930         cris_load_multiple_op.
1931         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
1932         type.
1933         (enum cris_retinsn_type): New.
1934         (struct machine_function): New member return_type.
1935         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
1936         (cris_target_asm_function_epilogue): Remove, moving RTLified
1937         contents to...
1938         (cris_expand_epilogue): New function.
1939         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
1940         (cris_gen_movem_load, cris_load_multiple_op)
1941         (cris_return_address_on_stack_for_return, cris_expand_return): New
1942         functions.
1943         (cris_target_asm_function_prologue)
1944         (cris_initial_frame_pointer_offset): Call
1945         cris_reg_saved_in_regsave_area instead of complicated expression.
1946         Call cris_return_address_on_stack instead of an expression.
1947         (cris_print_operand) <case 'o', case 'O'>: New cases.
1948         (cris_return_address_on_stack): Change return-type to bool.
1949         (cris_simple_epilogue): Ditto.  Return false if registers are
1950         saved.
1951         * config/cris/cris-protos.h (cris_simple_epilogue)
1952         (cris_return_address_on_stack): Adjust prototype return type.
1953         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
1954         (cris_return_address_on_stack_for_return): New prototypes.
1955
1956 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
1957
1958         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
1959         gpr_or_int12_operand.
1960
1961         * config/frv/frv-protos.h: Add a prototype to
1962         frv_legitimate_memory_operand and frv_const_unspec_p.
1963         (frv_unspec): Move from frv.c.
1964         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
1965         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
1966         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
1967         gpr_or_fpr_operand, gpr_or_int12_operand,
1968         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
1969         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
1970         int6_operand, int5_operand, uint5_operand, uint4_operand,
1971         uint1_operand, int_2word_operand, uint16_operand,
1972         upper_int16_operand, integer_register_operand,
1973         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
1974         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
1975         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
1976         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
1977         move_destination_operand, movcc_fp_destination_operand,
1978         frv_function_symbol_referenced_p, move_source_operand,
1979         condexec_dest_operand, condexec_source_operand,
1980         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
1981         const_unspec_operand, gpr_or_memory_operand,
1982         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
1983         icc_operand, fcc_operand, cc_operand, icr_operand,
1984         fcr_operand, cr_operand, call_operand, sibcall_operand,
1985         symbolic_operand, relational_operator,
1986         integer_relational_operator, float_relational_operator,
1987         ccr_eqne_operator, minmax_operator,
1988         condexec_si_binary_operator, condexec_si_media_operator,
1989         condexec_si_divide_operator, condexec_si_unary_operator,
1990         condexec_sf_conv_operator, condexec_sf_add_operator,
1991         condexec_memory_operand, intop_compare_operator, acc_operand,
1992         even_acc_operand, quad_acc_operand, accg_operand: Move to
1993         predicates.md.
1994         * config/frv/frv.h (PREDICATE_CODES): Remove.
1995         * config/frv/frv.md: Include predicates.md.
1996         * config/frv/predicates.md: New.
1997
1998 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
1999
2000         PR target/19537
2001         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
2002         * tree-ssa-loop-ivopts.c: Include langhooks.h.
2003         (add_standard_iv_candidates_for_size): New function, extracting code
2004         from add_standard_iv_candidates and parameterizing it by type size.
2005         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
2006
2007 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
2008
2009         * system.h (GCOV_SIZE_TYPE): Unposion.
2010         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
2011         (GCOV_TYPE_SIZE): ...this new macro.
2012         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
2013         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
2014         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
2015         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
2016         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
2017         instead of unsigned_intSI_type_node.
2018         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
2019         (rtl_gen_one_value_profiler_no_edge_manipulation)
2020         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
2021         * value-prof.c: Include coverage.h.
2022
2023 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
2024             Diego Novillo <dnovillo@redhat.com>
2025             
2026         Fix PR tree-optimization/20703
2027         Fix PR tree-optimization/20725
2028         
2029         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
2030         (create_expression_by_pieces): Ditto.
2031         (valid_in_set): Ditto. Also handle tcc_declaration.
2032         (find_or_generate_expression): Handle comparison class.
2033         (insert_into_preds_of_block): Ditto.
2034         (insert_aux): Ditto.
2035         (create_value_expr_from): Handle comparison class, recursively
2036         handle reference nodes.
2037         (compute_avail): Handle comparison classes, rewrite a little cleaner.
2038         (execute_pre): Fix spacing.
2039         (do_fre): Renamed to execute_fre.
2040
2041 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2042
2043         * doc/invoke.texi (SPARC options): Document that
2044         -mlittle-endian is not supported on Linux either.
2045
2046 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2047
2048         PR target/4198
2049         PR target/12027
2050         * config.gcc (Obsolete configurations): Remove
2051         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
2052         (sparclite-*-coff*): Delete.
2053         (sparclite-*-elf*): Likewise.
2054         (sparc86x-*-elf*): Likewise.
2055         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
2056         * config/sparc/lite.h: Delete.
2057         * config/sparc/litecoff.h: Likewise.
2058         * config/sparc/liteelf.h: Likewise.
2059         * config/sparc/sp86x-elf.h: Likewise.
2060         * config/sparc/t-sparclite: Likewise.
2061         * config/sparc/t-sp86x: Likewise.
2062
2063 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
2064
2065         * config/s390/s390-protos.h: (s390_comparison,
2066         s390_alc_comparison, s390_slb_comparison, const0_operand,
2067         consttable_operand, larl_operand, s_operand,
2068         shift_count_operand, bras_sym_operand, load_multiple_operation,
2069         store_multiple_operation, s390_plus_operand): Remove prototypes.
2070         (s390_legitimate_address_without_index_p): New prototype.
2071         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
2072         to s390.h.
2073         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
2074         const0_operand, consttable_operand, larl_operand, s_operand,
2075         shift_count_operand, bras_sym_operand, load_multiple_operation,
2076         store_multiple_operation, s390_plus_operand): Move to
2077         predicates.md.
2078         (check_mode): Remove.
2079         (s390_branch_condition_mask): Remove 'static'. Move prototype to
2080         s390-protos.h.
2081         (s390_legitimate_address_without_index_p): New.
2082         * config/s390/s390.h (PREDICATE_CODES): Remove.
2083         * config/s390/s390.md: Include predicates.md.
2084         * config/s390/predicates.md: New.
2085
2086 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2087
2088         PR target/20446
2089         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
2090         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
2091         (NEED_INDICATE_EXEC_STACK): Define to 1.
2092         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
2093         (NEED_INDICATE_EXEC_STACK): Define to 1.
2094         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
2095         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
2096         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
2097         (pic_helper_emitted_p): New global.
2098         (emit_pic_helper): New function extracted from...
2099         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
2100         Do not call emit_pic_helper if delay_pic_helper is true.
2101         (sparc_expand_prologue): Pass 'false' to load_pic_register.
2102         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
2103         (sparc_file_end): New function.
2104
2105 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
2106
2107         * config/mcore/mcore-protos.h: Remove the prototypes for
2108         mcore_arith_reg_operand, mcore_general_movsrc_operand,
2109         mcore_general_movdst_operand, mcore_reload_operand,
2110         mcore_arith_J_operand, mcore_arith_K_operand,
2111         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
2112         mcore_arith_K_S_operand, mcore_arith_imm_operand,
2113         mcore_arith_any_imm_operand, mcore_arith_O_operand,
2114         mcore_literal_K_operand, mcore_addsub_operand,
2115         mcore_compare_operand, mcore_load_multiple_operation,
2116         mcore_store_multiple_operation, mcore_call_address_operand.
2117         Add a prototype for const_ok_for_mcore.
2118         * config/mcore/mcore.c (mcore_call_address_operand,
2119         mcore_general_movsrc_operand, mcore_general_movdst_operand,
2120         mcore_arith_reg_operand, mcore_reload_operand,
2121         mcore_arith_J_operand, mcore_arith_K_operand,
2122         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
2123         mcore_arith_M_operand, mcore_arith_imm_operand,
2124         mcore_arith_any_imm_operand, mcore_arith_O_operand,
2125         mcore_literal_K_operand, mcore_addsub_operand,
2126         mcore_compare_operand, mcore_load_multiple_operation,
2127         mcore_store_multiple_operation): Move to predicates.md.
2128         (const_ok_for_mcore): Export.
2129         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
2130         * config/mcore/mcore.md: Include predicates.md.
2131         * config/mcore/predicates.md: New.
2132
2133         * config/mcore/predicates.md: Fix a comment typo.
2134
2135 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
2136             Adrian Straetling  <straetling@de.ibm.com>
2137
2138         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
2139         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
2140         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
2141         attribute.
2142         ("imul"): Removed from "type" attribute.
2143         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
2144         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"): 
2145         Changed type to imulsi.
2146         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
2147
2148 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
2149
2150         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
2151         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
2152         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
2153         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
2154         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
2155         (TARGET_SWITCHES, mcore_stack_increment_string)
2156         (TARGET_OPTIONS): Delete.
2157         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
2158         than *_BIT constants.
2159         (TARGET_8ALIGN): #undef old definition before redefining to 1.
2160         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
2161         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
2162         (mcore_override_options): Delete mcore_stack_increment code.
2163         Change use of M340_BIT to MASK_M340.
2164         * config/mcore/mcore.opt: New file.
2165
2166 2005-04-04  Ian Lance Taylor  <ian@airs.com>
2167
2168         * config/arm/arm.c (replace_symbols_in_block): Remove static
2169         function.
2170
2171 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
2172
2173         * config/fr30/fr30-protos.h: Remove the prototypes for
2174         stack_add_operand, add_immediate_operand,
2175         high_register_operand, low_register_operand, call_operand,
2176         di_operand, and nonimmediate_di_operand.
2177         * config/fr30/fr30.c (stack_add_operand,
2178         add_immediate_operand, high_register_operand,
2179         low_register_operand, call_operand, di_operand,
2180         nonimmediate_di_operand): Move to predicates.md.
2181         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
2182         * config/fr30/fr30.md: Include predicates.md.
2183         * config/fr30/predicates.md: New.
2184
2185         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
2186         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
2187         mcore_call_address_operand.
2188
2189         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
2190         general_movsrc_operand.
2191
2192 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
2193
2194         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
2195         after freeing.
2196
2197 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
2198
2199         PR target/14812
2200         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
2201         a negated value.
2202
2203 2005-04-04  Richard Henderson  <rth@redhat.com>
2204             Jakub Jelinek  <jakub@redhat.com>
2205
2206         PR rtl-optimization/16104
2207         * fold-const.c (fold_unary): Fix folding of vector conversions.
2208
2209 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
2210
2211         * config.gcc (xstormy16-*-elf): Set extra_options.
2212         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
2213         * config/stormy16/stormy16.opt: New file.
2214
2215 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
2216
2217         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
2218         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
2219         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
2220         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
2221         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
2222         (TARGET_UNIX_ASM): Delete.
2223         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
2224         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
2225         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
2226         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2227         * config/pdp11/pdp11.opt: New file.
2228
2229 2005-04-03  Roger Sayle  <roger@eyesopen.com>
2230             Alexandre Oliva  <aoliva@redhat.com>
2231
2232         PR c++/19199
2233         * fold-const.c (non_lvalue): Split tests into...
2234         (maybe_lvalue_p): New function.
2235         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
2236         C++ front-end prior to lowering into gimple form.
2237
2238 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2239
2240         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
2241         BUILT_IN_STRNCASECMP): New.
2242         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
2243         and strndup.
2244
2245 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
2246
2247         PR target/14812
2248         * arm.md (addsi3_compare0_for_combiner): Delete.
2249         (addsi3_compare0_scratch_for_combiner): Delete.
2250         (cmpsi_neg_shiftsi): Delete.
2251         (compare_negsi_si): New pattern.
2252         (cmpsi_negshiftsi_si): New pattern.
2253         (negated_cbranchsi4): Restrict to equality_operator.
2254         
2255         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
2256         template.
2257
2258 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
2259
2260         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
2261         Fix comment typos.
2262
2263         * doc/install.texi: Fix a typo.
2264
2265 2005-04-03  Steven Bosscher  <stevenb@suse.de>
2266
2267         PR middle-end/20648
2268         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
2269         a computed goto if the edge to the computed goto block has
2270         incoming abnormal edges.  Clarify how the function works.
2271
2272 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
2273
2274         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
2275         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
2276         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
2277         hash_scan_set, reg_set_between_after_reload_p,
2278         reg_used_between_after_reload_p, get_avail_load_store_reg,
2279         eliminate_partially_redundant_load): Likewise.
2280         * postreload.c (reload_cse_simplify_set,
2281         reload_combine_note_use): Likewise.
2282         * predict.c (predict_insn, expected_value_to_br_prob,
2283         propagate_freq, expensive_function_p): Likewise.
2284         * print-rtl.c (print_rtx): Likewise.
2285         * profile.c (instrument_edges, instrument_values,
2286         compute_branch_probabilities, branch_prob, union_groups,
2287         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
2288         * protoize.c (in_system_include_dir, file_could_be_converted,
2289         file_normally_convertible, gen_aux_info_file, seek_to_line,
2290         do_cleaning): Likewise.
2291         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
2292         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
2293         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
2294
2295 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
2296
2297         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
2298         * modulo-sched.c (undo_replace_buff_elem): New structure.
2299         (kernel_number_of_cycles, ps_unschedule_node,
2300         undo_generate_reg_moves,free_undo_replace_buff,
2301         undo_permute_partial_schedule,  loop_single_full_bb_p,
2302         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
2303         build_loops_structure, get_sched_window): New.
2304         (generate_reg_moves): Return undo_replace_buff_elem and other
2305         fixes.
2306         (generate_prolog_epilog): Remove old loop versioning.
2307         (sms_schedule): Use loop information and loop_version.
2308         (sms_schedule_by_order): Split part of it to get_sched_window.
2309         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
2310         cfg_layout_finalize and free_dominance_info before/after SMS.
2311
2312 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
2313
2314         * cfghooks.c (lv_flush_pending_stmts,
2315         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
2316         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
2317         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
2318         lv_add_condition_to_bb,
2319         lv_adjust_loop_header_phi, extract_cond_bb_edges,
2320         flush_pending_stmts): New in cfg_hooks structure.
2321         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
2322         extract_cond_bb_edges, lv_adjust_loop_header_phi,
2323         lv_add_condition_to_bb): New declarations.
2324         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
2325         bool.
2326         (loop_version): Declare.
2327         * cfgloopmanip.c (cfghooks.h): Include.
2328         (duplicate_loop_to_header_edge): Change return type to bool.
2329         (loop_version, lv_adjust_loop_entry_edge): Move here.
2330         * cfgrtl.c (cfgloop.h): Include.
2331         (rtl_verify_flow_info_1): Fix.
2332         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
2333         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
2334         initialization.
2335         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
2336         tree_lv_add_condition_to_bb): New.
2337         (tree_cfg_hooks): Add new hooks to initialization.
2338         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
2339         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
2340
2341 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
2342
2343         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
2344         xstormy16_below100_or_register,
2345         xstormy16_splittable_below100_or_register, and
2346         nonimmediate_nonstack_operand.
2347
2348         * config/stormy16/stormy16-protos.h: Remove the prototypes for
2349         xstormy16_ineqsi_operator, equality_operator,
2350         inequality_operator, shift_operator,
2351         xstormy16_below100_operand, xstormy16_below100_or_register,
2352         xstormy16_splittable_below100_or_register,
2353         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
2354         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
2355         equality_operator, inequality_operator,
2356         xstormy16_below100_operand, xstormy16_below100_or_register,
2357         xstormy16_splittable_below100_or_register,
2358         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
2359         nonimmediate_nonstack_operand, shift_operator): Move to
2360         predicates.md.
2361         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
2362         * config/stormy16/stormy16.md: Include predicates.md.
2363         * config/stormy16/predicates.md: New.
2364
2365 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
2366
2367         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
2368         small_int, large_int, reg_or_0_operand, simple_memory_operand,
2369         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
2370         move_operand, power_of_2_operand): Move to predicates.md.
2371         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
2372         PREDICATE_CODE): Remove.
2373         * config/iq2000/iq2000.md: Include predicates.md.
2374         * config/iq2000/predicates.md: New.
2375
2376 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
2377
2378         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
2379         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
2380         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
2381         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
2382         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
2383         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
2384         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
2385         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
2386         (TARGET_M68HC11): Delete.
2387         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
2388         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
2389         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
2390         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
2391         (nb_soft_regs): Delete.
2392         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
2393         (m68hc11_override_options): Remove the code that caters for MASK_M6811
2394         and MASK_M6812 being set simultaneously.  Change the code that sets
2395         the default m68hc11_soft_reg_count to use integers instead of strings.
2396         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
2397         m68hc11_soft_reg_count (which now has an int type) as the number
2398         of soft registers.
2399         * config/m68hc11/m68hc11.opt: New file.
2400
2401 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
2402
2403         * config/fr30/fr30.h (PREDICATE_CODES): Remove
2404         fp_displacement_operand, sp_displacement_operand.
2405
2406         * config/m68hc11/m68hc11-protos.h: Add a prototype for
2407         m68hcc_auto_inc_p.
2408         Remove the prototypes for tst_operand, cmp_operand,
2409         stack_register_operand, d_register_operand,
2410         hard_addr_reg_operand, splitable_operand,
2411         m68hc11_logical_operator, m68hc11_arith_operator,
2412         m68hc11_non_shift_operator, m68hc11_shift_operator,
2413         m68hc11_unary_operator, m68hc11_eq_compare_operator,
2414         non_push_operand, hard_reg_operand, and
2415         reg_or_some_mem_operand.
2416         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
2417         extern.
2418         (tst_operand, cmp_operand, non_push_operand,
2419         splitable_operand, reg_or_some_mem_operand,
2420         stack_register_operand, d_register_operand,
2421         hard_addr_reg_operand, hard_reg_operand,
2422         m68hc11_eq_compare_operator, m68hc11_logical_operator,
2423         m68hc11_arith_operator, m68hc11_non_shift_operator,
2424         m68hc11_shift_operator, m68hc11_unary_operator): Move to
2425         predicates.md.
2426         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
2427         * config/m68hc11/m68hc11.md: Include predicates.md.
2428         * config/m68hc11/predicates.md: New.
2429
2430 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
2431
2432         PR debug/19345
2433         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
2434         change checked in along with 2005-03-03's patch for debug/20253.
2435         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
2436         (remap_decl): Insert type decl in map earlier.
2437
2438 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
2439
2440         PR tree-optimization/20640
2441         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
2442         post-dominator if it has phi nodes.
2443         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
2444         before dead statements.
2445
2446 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
2447
2448         PR middle-end/20491
2449         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
2450
2451 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
2452
2453         PR rtl-optimization/20290
2454         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
2455         in every iteration if the entry point is the exit test.
2456
2457 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
2458
2459         * config/cris/cris.md (attribute "length"): Define.
2460
2461 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
2462
2463         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
2464         (word_offset_memref_operand): New.
2465         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
2466         (indexed_or_indirect_operand): Delete.
2467         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
2468         (indexed_or_indirect_operand): Delete.
2469
2470         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
2471
2472         PR 20650
2473         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
2474         a register.
2475
2476         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
2477         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
2478
2479 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
2480
2481         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
2482
2483 2005-04-01  Ian Lance Taylor  <ian@airs.com>
2484
2485         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
2486         (rus, prus): Remove static variables.
2487         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
2488         (process_command): Permit report_times and use_pipes together.
2489
2490 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
2491
2492         * c-decl.c (validate_proto_after_old_defn): Look at
2493         TYPE_MAIN_VARIANT of argument types.
2494
2495 2005-04-01  Paul Brook  <paul@codesourcery.com>
2496
2497         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
2498         (arm_output_function_epilogue): Allow call_via_SP.
2499         (thumb_call_via_reg, arm_file_end): Ditto.
2500         * config/arm/arm.h (struct machine_function): Include space for SP.
2501         (thumb_call_via_label): Update declaration.
2502
2503 2005-04-01  Ian Lance Taylor  <ian@airs.com>
2504
2505         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
2506         doing a peephole optimization, once again put any notes in the
2507         proper position.
2508
2509 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
2510
2511         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
2512
2513 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
2514
2515         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
2516         (block_alloc, find_free_reg): Likewise.
2517         * loop-doloop.c (doloop_modify): Likewise.
2518         * loop-invariant.c (record_use): Likewise.
2519         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
2520         get_iv_value, canon_condition, eliminate_implied_condition,
2521         eliminate_implied_condition, simplify_using_initial_values,
2522         shorten_into_mode, canonicalize_iv_subregs,
2523         iv_number_of_iterations): Likewise.
2524         * loop-unroll.c (expand_var_during_unrolling): Likewise.
2525         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
2526         unswitch_loop): Likewise.
2527         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
2528         move_movables, replace_call_address, find_and_verify_loops,
2529         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
2530         record_giv, final_giv_value, general_induction_var,
2531         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
2532         loop_giv_dump): Likewise.
2533
2534         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
2535         GCOV_CHECK_WRITING): Remove.
2536         (gcov_position, gcov_rewrite): Use gcc_assert.
2537         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
2538         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
2539         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
2540         gcc_assert.
2541
2542 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
2543
2544         * tree-inline.c: Fix a typo.
2545
2546 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
2547
2548         * configure.ac (enable-checking): Explicitly set all variables for
2549         collective switch values.  Alphabetize variables. Rename
2550         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
2551         synonym for 'no'.
2552         * doc/install.texi (enable-checking): Update documentation.
2553         * configure: Rebuilt.
2554
2555 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
2556
2557         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
2558         possible.
2559
2560 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
2561
2562         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
2563         Also reject cases where this pattern will cause load delay stalls
2564         unless optimizing for size and it will produce a shorter sequence.
2565         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
2566         variants to avoid pre-adjusting the base when possible.
2567
2568 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
2569
2570         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
2571         the frame and argument pointers.
2572         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
2573         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
2574         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
2575         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
2576         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
2577         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
2578
2579 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
2580
2581         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
2582         with entry for selectany attribute.
2583         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
2584         Declare.
2585         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
2586         (i386_pe_asm_named_section): Handle sections generated by
2587         selectany attribute.
2588         * doc/extend.texi (selectany): Document attribute.
2589
2590 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
2591             Jan Hubicka  <jh@suse.cz>
2592
2593         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
2594         to fix addresses involving EBP and ESP.
2595         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
2596         for SUBREGed registers.
2597         (legitimate_address_p): Accept SUBREGed registers.
2598
2599 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
2600
2601         PR c++/19406
2602         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
2603         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
2604         for FIELD_DECLs.
2605
2606 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
2607
2608         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
2609
2610 2005-04-01  James E Wilson  <wilson@specifixinc.com>
2611
2612         PR c++/20505
2613         * dwarf2out.c (rtl_for_decl_init): New function.
2614         (rtl_for_decl_location): Extracted from here.
2615         (tree_add_const_value_attribute): Call rtl_for_decl_init and
2616         add_const_value_attribute.  Delete initializer_constant_valid_p call.
2617
2618 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
2619
2620         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
2621         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
2622         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
2623         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
2624         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
2625         config/i386/i386.md, config/rs6000/predicates.md,
2626         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
2627         config/s390/s390.c, config/stormy16/stormy16.c,
2628         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
2629         typos.
2630
2631 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
2632
2633         PR c/17855
2634         * gimplify.c (gimplify_expr): Create a temporary for lvalue
2635         COND_EXPR and CALL_EXPR.
2636
2637 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
2638
2639         PR target/20632
2640         * genautomata.c (first_cycle_unit_presence): Check all alternative
2641         states for unit presence.
2642
2643         * doc/md.texi: Remove remark about impossibility to query unit
2644         presence in non nondeterministic automaton state.
2645         
2646         * config/ia64/ia64.c (get_template): Change order of unit querying.
2647
2648 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
2649
2650         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
2651         obsolete comment.
2652
2653 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
2654
2655         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
2656         flag for edges outside any loops.
2657
2658 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
2659
2660         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
2661
2662 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
2663
2664         * tree-ssa-alias.c: Follow spelling conventions.
2665         * doc/tree-ssa.texi: Fix a typo.
2666
2667 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
2668
2669         * postreload-gcse.c: Include target.h.
2670         (gcse_after_reload_main): Return early if we cannot modify jumps.
2671         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
2672
2673 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
2674
2675         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
2676         expensive operations.
2677
2678 2005-03-31  Ian Lance Taylor  <ian@airs.com>
2679
2680         * collect2.c (lderrout): New variable.
2681         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
2682         if it is set, to stderr.
2683         (handler): Unlink lderrout if it is set.
2684         (dump_file): Add "to" parameter.  Change all callers.
2685         (main): Initialize lderrout.
2686         (collect_execute): Add errname parameter.  Change all callers.
2687         Rename redir parameter to outname.  Never pass
2688         PEX_STDERR_TO_STDOUT to pex_run.
2689         * collect2.h (collect_execute, dump_file): Update declarations.
2690         * tlink.c (tlink_execute): Add errname parameter.  Change all
2691         callers.
2692         (do_tlink): Check lderrout as well as ldout.
2693
2694 2005-03-31  Caroline Tice  <ctice@apple.com>
2695
2696         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
2697         (bb-reorder.o): Add errors.h to list of requirements.
2698         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
2699         profiledbootstrap flags.
2700         * bb-reorder.c (errors.h): Add new include.
2701         (struct bbro_basic_block_data_def): Add new field, in_trace.
2702         (add_unlikely_executed_notes):  Remove function.
2703         (mark_bb_for_unlikely_executed_section): Remove function.
2704         (insert_section_boundary_note): New function.
2705         (verify_hot_cold_block_grouping): New function.
2706         (push_to_next_round_p): Remove variables and tests that push all
2707         cold blocks to last round.
2708         (find_traces): Remove code that added extra round of trace finding
2709         when doing partitioning.
2710         (find_traces_1_round) :  Remove variable last_round;  add code to 
2711         update new struct field, in_trace; correct trace_length where it was 
2712         incorrect before (after call to copy_bb); change code that pushed all 
2713         cold blocks to last round. Instead verify that all blocks going into 
2714         a trace belong in the same partition.
2715         (connect_traces): Modify to connect the traces in two passes, if the
2716         function contains both hot and cold blocks.  The first pass connects 
2717         all the traces for blocks in the partition that the first block in 
2718         the function belongs to; the second pass connnects all the traces 
2719         containing blocks that belong in the other partition.
2720         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
2721         code that automatically put the first block in a function into the
2722         hot partition if the function had any hot blocks.
2723         (fix_crossing_unconditional_branches): Check number of succ edges 
2724         before attempting to get one.
2725         (fix_edges_for_rarely_executed_code):  Update comment describing
2726         function.
2727         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
2728         remove call to add_unlikely_executed_notes; add call to 
2729         verify_hot_cold_block_grouping.
2730         (duplicate_computed_gotos): Don't change computed goto if it's a 
2731         crossing edge.
2732         (partition_hot_cold_basic_blocks):  Update function comment.
2733         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from 
2734         condition.
2735         (try_forward_edges): Likewise.
2736         (merge_blocks_move_predecessor_nojumps): Likewise.
2737         (merge_blocks_move_successor_nojumps): Likewise.
2738         (merge_blocks_move): Likewise.
2739         (try_crossjump_bb): Likewise.
2740         * cfglayout.c (update_unlikely_executed_notes): Remove function.
2741         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
2742         notes to cold bb's; remove call to update_unlikely_executed_notes.
2743         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
2744         NOTE_INSN_SWITCH_TEXT_SECTIONS.
2745         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
2746         function declaration.
2747         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
2748         from consideration.
2749         (rtl_can_merge_blocks): Remove redundancy from condition.
2750         (try_redirect_by_replacing_jump): Likewise.
2751         (force_nonfallthru_and_redirect): Remove code for adding
2752         UNLIKELY_EXECUTED_CODE notes to cold bb's.
2753         (commit_one_edge_insertion): Likewise.
2754         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
2755         * dbxout.c (FORCE_TEXT): Replace function_section with 
2756         current_function_section.
2757         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
2758         function, switch_text_section.
2759         (struct xcoff_debug): Likewise.
2760         (dbxout_function_end): Add code to put out label diffs for both
2761         hot and cold sections.
2762         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
2763         for new debug_hooks funciton, switch_text_section..
2764         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
2765         switch_text_section.
2766         * dwarf2out.c (struct dw_fde_struct):  Add five new fields: 
2767         dw_fde_hot_section_label, dw_fde_hot_section_end_label, 
2768         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and 
2769         dw_fde_switched_sections.
2770         (output_call_frame_info):  Add test to see if function switches text
2771         sections in the middle; if so, use appropriate extra hot and cold 
2772         section labels to compute size deltas for the hot and cold sections.
2773         (dwarf2out_begin_prologue): Add code to initialize new fields in 
2774         dw_fde_struct.
2775         (dwarf2out_switch_text_section): New function (invoked through 
2776         debug_hook); updates new fields in dw_fde_struct appropriately and
2777         increments separate_line_info_table_in_use.
2778         (dwarf2_debug_hooks): Initialize switch_text_section function to be
2779         dwarf2out_switch_text_section.
2780         (struct var_loc_node): Add new field, section_label.
2781         (output_aranges): Add code to check whether in hot or cold section and
2782         use the appropriate label in calculating deltas.
2783         (output_ranges): Likewise.
2784         (output_line_info): Add code to check which section we're in and
2785         use appropriate hot/cold label.
2786         (add_location_or_constant_value_attribute): Likewise.
2787         (gen_subprogam_die): Modify arange attributes to use correct labels.
2788         (dwarf2out_begin_block): Change call to function_section into call to
2789         current_function_section.
2790         (dwarf2out_end_block): Likewise.
2791         (dwarf2out_source_line): Likewise.
2792         (dwarf2out_var_location): Add code to check whether in hot or cold 
2793         section and use the appropriate label.
2794         * except.c (output_function_exception_table): Change call to 
2795         function_section into call to current_function_section.
2796         * final.c (profile_function): Likewise.
2797         (scan_ahead_for_unlikely_executed_note): Remove function.
2798         (final_scan_insn):  Remove calls to 
2799         scan_ahead_for_unlikely_executed_note, and related code for switching 
2800         to cold section, except for the single time 
2801         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to 
2802         debug_hooks->switch_text_sections; replace appropriate calls to 
2803         function_section with calls to current_function_section.
2804         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add 
2805         test_bb to condition.
2806         (find_if_case_2): Likewise.
2807         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
2808         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
2809         * opts.c (decode_options): Change warning about hot/cold partitioning
2810         with exceptionss to inform (so as not to cause bootstrap failures);
2811         remove warning about partitioning with DWARF debug info.
2812         * output.h (current_function_section): Add new function decl.
2813         (insert_section_boundary_note): Likewise.
2814         (enum in_section): Move this declaration here from varasm.c.
2815         (unlikely_section_label): Likewise.
2816         (unlikely_text_section_name): Likewise.
2817         (last_text_section_name): New global variable.
2818         (last_text_section): Likewise.
2819         (hot_section_label): Likewise.
2820         (hot_section_end_label): Likewise.
2821         (cold_section_end_label): Likewise.
2822         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
2823         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
2824         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
2825         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note 
2826         insn from consideration.
2827         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function, 
2828         switch_text_section.
2829         * varasm.c (basic-block.h): Add new include.
2830         (unlikely_section_label_printed): Remove global variable.
2831         (unlikely_section_label): Make global variable not be static any more.
2832         (unlikely_text_section_name): Likewise.
2833         (hot_section_end_label): New global variable (not static)
2834         (first_function_block_is_cold): Likewise.
2835         (hot_section_label): Likewise.
2836         (cold_section_end_label): Likewise..
2837         (last_text_section): New global variable, not static.
2838         (last_text_section_name): New global variable, not static.
2839         (initialize_cold_section_name): New function.
2840         (enum in_section): Move declaration to output.h.
2841         (text_section): Update last_text_section.
2842         (unlikely_text_section): Replace code to determine cold section name 
2843         with call to initialize_cold_section_name; Add code to update 
2844         last_text_section; remove code for printing out label.
2845         (named_section_real): Add code to update last_text_section and 
2846         last_text_section_name as appropriate.
2847         (function_section): Change test for 'unlikely' to depend on
2848         first_function_block_is_cold (moved old test to 
2849         current_function_section).
2850         (current_function_section): New function.
2851         (assemble_start_function): Move code that frees 
2852         unlikely_text_section_name; initialize hot_section_end_label; 
2853         print hot and cold section labels at the start of the function; 
2854         set first_function_block_is_cold, if appropriate; initialize l
2855         ast_text_section; add call to insert_section_boundary_note.
2856         (assemble_end_function):  Add code to write out hot and cold section
2857         end labels.
2858         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
2859         switch_text_section.
2860         * config/darwin.c (machopic_select_section): Replace incorrect 
2861         function in base_funs; update reloc for cold sections if necessary.
2862         * config/darwin.h (SECTION_FUNCTION):  Add code to update 
2863         last_text_section if appropriate.
2864         (text_unlikely_section): Remove.
2865         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
2866         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
2867         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
2868         partitioning for this architecture.
2869
2870 2005-03-31  Olivier Hainque  <hainque@adacore.com>
2871
2872         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
2873         defined and non-zero.
2874
2875 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2876
2877         PR c++/18644
2878         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
2879         semantics. 
2880
2881 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
2882
2883         PR target/20611
2884         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
2885         label operand.  Remove (use (unspec..)).  Don't emit a label on
2886         the offset word.
2887         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
2888         generate inline label for load_toc_v4_PIC_1b.
2889         (rs6000_emit_load_toc_table): Likewise.
2890
2891 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
2892
2893         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
2894         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
2895
2896 2005-03-29  Devang Patel  <dpatel@apple.com>
2897
2898         * tree-sra.c (decide_block_copy): Disable scalarization of
2899         sub-elements.
2900         
2901 2005-03-30  Stuart Hastings  <stuart@apple.com>
2902             Dale Johannesen  <dalej@apple.com>
2903
2904         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
2905         * print-tree.c (print_node):  Add case STATEMENT_LIST.
2906
2907 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
2908
2909         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
2910         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
2911         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
2912         is given with "powerpc64*" or "all", or when --with-cpu chooses
2913         a 64-bit cpu.
2914
2915 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
2916
2917         PR debug/20268
2918         * dwarf2out.c (add_high_low_attributes): New function, extracted from
2919         gen_lexical_block_die.
2920         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
2921
2922 2005-03-31  Jan Hubicka  <jh@suse.cz>
2923
2924         2004-11-02  Jan Hubicka  <jh@suse.cz>
2925
2926         * cgraph.c (cgraph_varpool_node_name): New function.
2927         (dump_cgraph_varpool_node): New function.
2928         (dump_varpool): New function.
2929         * cgraphunit.c (cgraph_optimize): Dump varpool.
2930
2931         2004-10-16  Jan Hubicka  <jh@suse.cz>
2932
2933         * cgraph.c (decide_is_variable_needed): New function.
2934         (cgraph_varpool_finalize_decl): Use it.
2935         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
2936         unit-at-a-time.
2937         * final.c (output_addr_const): Do not call mark_referenced.
2938         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
2939         always go via cgraph.
2940         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
2941         (check_global_declarations): Ifdef out code clearing DECL_RTL.
2942         * tree-optimize.c (execute_inline): Mark functions called.
2943         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
2944
2945         2004-10-11  Jan Hubicka  <jh@suse.cz>
2946
2947         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
2948         (cgraph_varpool_last_needed_node): New static variable.
2949         (enqueue_needed_varpool_node): Break out from ...; add items to the
2950         end of queue; update first pointers.
2951         (cgraph_varpool_mark_needed_node): ... here.
2952         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
2953         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
2954         * cgraph.h (cgraph_varpool_node): Add analyzed field.
2955         (cgraph_varpool_first_unanalyzed_node): Declare.
2956         * cgraphunit.c: Include output.h.
2957         (cgraph_varpool_analyze_pending_decls): New function.
2958         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
2959         for errors, analyze pending decls.
2960         (cgraph_finalize_compilation_unit): Only analyze decls.
2961         (cgraph_optimize): Assemble the decls after expanding.
2962
2963 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
2964
2965         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
2966         subvars get marked properly in tags for grouping.
2967         (add_pointed_to_var): Mark only actual pointed to
2968         variables/subvars in addresses needed.
2969         (create_overlap_variables_for): Clear call clobbered on original
2970         variable.
2971         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
2972         addresable vars with subvars into list.
2973         * tree-ssa.c (verify_ssa_name): Verify original is not used where
2974         subvar should be.
2975
2976 2005-03-30  Richard Henderson  <rth@redhat.com>
2977
2978         * cgraph.h (struct cgraph_node): Add alias.
2979         * varasm.c (assemble_alias): Set it.
2980         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
2981         avoid calling cgraph_expand_function.
2982
2983 2005-03-30  Tom Tromey  <tromey@redhat.com>
2984
2985         * tree.def (FILE_TYPE): Removed.
2986         * typeclass.h (enum type_class): Removed file_type_class.
2987         * dwarf2out.c (is_base_type): Updated.
2988         (gen_type_die): Likewise.
2989         * dbxout.c (dbxout_type): Updated.
2990         * builtins.c (type_to_class): Updated.
2991         * tree.c (type_contains_placeholder_1): Updated.
2992         * config/sparc/sparc.c (sparc_type_code): Updated.
2993         * config/ia64/ia64.c (hfa_element_mode): Updated.
2994         * expr.c (count_type_elements): Updated.
2995         * stor-layout.c (layout_type): Updated.
2996         * tree-inline.c (remap_type): Updated.
2997         * tree-pretty-print.c (dump_generic_node): Updated.
2998
2999 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
3000
3001         * builtins.c (expand_builtin_powi): Fix mode of
3002         2nd argument to match int.
3003         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
3004         2nd argument type to int.
3005         * libgcc2.c: Change prototype of __powi* functions to use
3006         int.
3007
3008 2005-03-30  Dale Johannesen  <dalej@apple.com>
3009
3010         PR middle-end/19225
3011         * calls.c (expand_call):  Flush pending deferrals before
3012         throwing call.
3013
3014 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
3015
3016         PR c/772
3017         PR c/17913
3018         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
3019         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
3020         c_label_context, label_context_stack): New.
3021         * c-decl.c (define_label): Check for jumps into statement
3022         expressions.  Add label to list of defined labels.
3023         (start_function): Push context on label_context_stack.
3024         (finish_function): Pop context from label_context_stack.
3025         * c-typeck.c (label_context_stack): New.
3026         (c_finish_goto_label): Check for jumps into statement
3027         expressions.  Add label to list of jumped to labels.
3028         (struct c_switch): Add blocked_stmt_expr.
3029         (c_start_case): Initialize it.
3030         (do_case): Check it.
3031         (c_finish_case): Verify !blocked_stmt_expr.
3032         (c_begin_stmt_expr):  Push context on label_context_stack.
3033         Increment blocked_stmt_expr.  Mark labels jumped to from outside
3034         as undefinable.
3035         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
3036         defined in the statement expression and no longer jumpable to.
3037         Mark labels jumped to from just outside the statement expression
3038         as again definable.  Pop context from label_context_stack.
3039         * doc/extend.texi (Statement Exprs): Update.
3040
3041 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
3042
3043         PR c/20368
3044         * c-decl.c (start_function): Check for old_decl being
3045         error_mark_node.
3046
3047 2005-03-30  Ian Lance Taylor  <ian@airs.com>
3048
3049         * final.c (final): Remove prescan parameter.  Change all callers.
3050         (final_scan_insn): Remove prescan parameter.  Change all callers.
3051
3052 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
3053
3054         * tree-vectorizer.c: Fix comment typos.
3055
3056 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
3057
3058         * tree-scalar-evolution.c (instantiate_parameters_1): Return
3059         as soon as a chrec_dont_know is detected.
3060
3061 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
3062
3063         Merge from csl-arm-branch.
3064         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
3065
3066         * tlink.c (recompile_files): Do not assume that "rename" can
3067         overwrite an existing file.
3068
3069 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
3070
3071         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
3072         * gcc/configure: Regenerate.
3073
3074 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
3075
3076         * doc/install.texi: Update binutils requirement for powerpc*-linux.
3077
3078         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
3079
3080         * calls.c (struct arg_data): Update "partial" comment.
3081         (load_register_parameters): Update "nregs" comment.
3082
3083 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3084
3085         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
3086         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
3087         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
3088         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
3089         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
3090         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
3091         than target_flags & 0.
3092         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
3093         (iq2000_arch, iq2000_parse_cpu): Delete.
3094         (TARGET_HANDLE_OPTION): Override default.
3095         (iq2000_handle_option): New function.
3096         (override_options): Remove -march= and -mcpu= handling.
3097         * config/iq2000/iq2000.opt: New file.
3098
3099 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3100
3101         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
3102         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
3103         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
3104         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
3105         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
3106         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
3107         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
3108         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
3109         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
3110         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
3111         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
3112         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
3113         (c4x_rpts_cycles_string, c4x_cpu_version_string)
3114         (TARGET_OPTIONS): Delete.
3115         (c4x_rpts_cycles, c4x_cpu_version): Declare.
3116         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
3117         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
3118         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
3119         (c4x_cpu_version_string): Delete.
3120         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3121         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
3122         equivalent -mcpu= option.
3123         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
3124         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
3125         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
3126         or clearing the appropriate MASK_* bit.
3127         (c4x_file_start): Use c4x_cpu_version.
3128         * config/c4x/c4x.opt: New file.
3129
3130 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3131
3132         * doc/options.texi: Document the new MaskExists flag.
3133         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
3134         if the option has the MaskExists flag.
3135
3136 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3137
3138         * opt-functions.awk (flag_set_p, test_flag): New functions.
3139         (switch_flags): Use them.
3140         * opth-gen.awk: Use flag_set_p to check for flags.
3141         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
3142
3143 2005-03-30  Ian Lance Taylor  <ian@airs.com>
3144
3145         * config.host (i[34567]86-*-mingw32*): Don't set
3146         host_can_use_collect2 to no.
3147
3148 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
3149
3150         PR target/20203
3151         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
3152         Remove convert_memory_address call duplicating that in memory_address.
3153
3154 2005-03-29  Richard Henderson  <rth@redhat.com>
3155
3156         PR c/20519
3157         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
3158         (build_compound_literal): Likewise.  Propagate decl type into the
3159         initializer.
3160         (finish_decl): Likewise.  Use new return value from complete_array_type
3161         for zero sized arrays.
3162         (complete_array_type): Move ...
3163         * c-common.c (complete_array_type): ... here.  Change first argument
3164         to pointer-to-type-node.  Consistently use sizetype for the index
3165         except for zero sized arrays.  Detect zero sized arrays for pedantic
3166         mode diagnostics.  Create a new type node instead of modifying the
3167         old node in place.
3168         * c-tree.h (complete_array_type): Move decl ...
3169         * c-common.h (complete_array_type): ... here.
3170
3171 2005-03-29  Richard Henderson  <rth@redhat.com>
3172
3173         PR tree-opt/19108
3174         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
3175
3176 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
3177
3178         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
3179         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
3180         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
3181         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
3182
3183 2005-03-29  Eric Christopher  <echristo@redhat.com>
3184
3185         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
3186         truthvalue conversion removal.
3187
3188 2005-03-29  Ian Lance Taylor  <ian@airs.com>
3189
3190         PR bootstrap/14316
3191         * collect2.c: Never include <vfork.h>.
3192         (VFORK_STRING, vfork): Don't define.
3193         (pid): Remove global variable.
3194         (handler): Call raise instead of kill (getpid(), ...).
3195         (collect_wait): Add pex parameter.  Change all callers.  Use
3196         pex_get_status rather than pwait.
3197         (do_wait): Add pex parameter.  Change all callers.
3198         (collect_execute): Return struct pex_obj * rather than void.  Use
3199         pex routines rather than pexecute.
3200         (fork_execute): Get pex_obj from collect_execute, and pass it to
3201         do_wait.
3202         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
3203         Only declare quit_handler if SIGQUIT is defined.
3204         (scan_libraries): Likewise.
3205         * collect2.h (collect_execute): Update declaration.
3206         (collect_wait): Update declaration.
3207         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
3208         pass it to collect_wait.
3209
3210 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
3211
3212         PR c/20672
3213         * c-parser.c (c_parser_compound_statement_nostart): Give error
3214         message for EOF instead of just setting parser->error.
3215
3216 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
3217
3218         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
3219         (slpeel_update_phi_nodes_for_guard1): New function.
3220         (slpeel_update_phi_nodes_for_guard2): New function.
3221         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
3222         of slpeel_update_phi_nodes_for_guard.
3223         (vectorize_loops): Remove call to loop_closed_rewrite.
3224         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
3225         assertion.
3226
3227 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
3228
3229         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
3230         (TARGET_LITTLE_ENDIAN): New macro.
3231         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
3232         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
3233         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
3234         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
3235         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
3236         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
3237         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
3238         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
3239         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
3240         (TARGET_OPTIONS): Delete.
3241         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
3242         (CACHE_FLUSH_TRAP): Turn into an integer.
3243         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
3244         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
3245         -mflush-trap is in use.
3246         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
3247         (m32r_cache_flush_trap_string): Delete.
3248         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
3249         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
3250         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
3251         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3252         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
3253         -mmodel= and -msdata= handling from...
3254         (m32r_init): ...here.
3255         * config/m32r/m32r.opt: New file.
3256
3257 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
3258
3259         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
3260         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
3261         * tree-vect-analyze.c (vect_object_analysis): additional parm
3262         pass back a "struct ptr_info_def *" with the points-to info.
3263         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
3264         statement using info returned from vect_object_analysis.
3265         * tree-vect-transform.c (update_vuses_to_preheader): New function.
3266         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
3267         for virtual uses and defs when creating a replacement vector
3268         reference.  Call duplicate_ssa_name_ptr_info to define points-to
3269         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
3270         (vectorizable_store): copy_virtual_operands and update
3271         definition statements.
3272         (vectorizable_load): copy_virtual_operands.  Remove call to
3273         mark_call_clobbered_vars_to_rename for call to "const" builtin.
3274         * tree-vectorizer.c (vectorize_loops): Remove calls to
3275         rewrite_into_ssa and bitmap_clear (vars_to_rename).
3276         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
3277         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
3278         define macro STMT_VINFO_PTR_INFO for use in accessing.
3279         * tree.h add export of duplicate_ssa_name_ptr_info.
3280         * rs6000.c (altivec_init_builtins): Declare builtin function
3281         __builtin_altivec_mask_for_load to be "const".
3282
3283 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
3284
3285         PR middle-end/20622
3286         * cgraph.h (struct cgraph_varpool_node): Add alias field.
3287         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
3288         assemble_variable on aliases.
3289         * varasm.c (assemble_alias): Set node->alias.
3290         * toplev.c (wrapup_global_declarations): Don't call
3291         rest_of_decl_compilation on aliases again.
3292
3293 2005-03-29  Paul Brook  <paul@codesourcery.com>
3294
3295         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
3296         * config/arm/arm.c (arm_dbx_register_number): New function.
3297         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
3298
3299 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
3300
3301         PR middle-end/20263
3302         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
3303         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
3304
3305 2005-03-29  Dale Johannesen <dalej@apple.com>
3306
3307         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
3308         $(TREE_H) and $(COVERAGE_H).
3309         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
3310         * opts.c (common_handle_option): Enable tree-based value transforms.
3311         * toplev.c (process_options): Ditto.
3312         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
3313         refers to references to this type.
3314         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
3315         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
3316         for may_be_more, may_be_less.
3317         (rtl_gen_pow2_profiler): Adjust.
3318         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
3319         (rtl_gen_one_value_profiler): Adjust.
3320         (rtl_gen_const_delta_profiler): Adjust.
3321         * tree-profile.c (tree_gen_interval_profiler): Implement.
3322         (tree_gen_pow2_profiler): Ditto.
3323         (tree_gen_one_value_profiler): Ditto.
3324         (tree_profiling): New.
3325         (pass_tree_profile): Reference it.
3326         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
3327         tree.h, gcov-io.h.
3328         (insn_divmod_values_to_profile): Rename to
3329         rtl_divmod_values_to_profile. Adjust.
3330         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
3331         (insn_prefetch_values_to_profile): Adjust.
3332         (rtl_value_profile_transformations): Adjust.
3333         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
3334         (gen_mod_pow2): Rename to rtl_mod_pow2.
3335         (gen_mod_subtract): Rename to rtl_mod_subtract.
3336         (divmod_fixed_value_transform): Rename to
3337         rtl_divmod_fixed_value_transform.
3338         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
3339         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
3340         (rtl_find_values_to_profile): Adjust.
3341         (tree_value_profile_transformations): Implement.
3342         (tree_divmod_values_to_profile): New.
3343         (tree_values_to_profile): New.
3344         (tree_divmod_fixed_value): New.
3345         (tree_mod_pow2): New.
3346         (tree_mod_subtract): New.
3347         (tree_divmod_fixed_value_transform): New.
3348         (tree_mod_pow2_value_transform): New.
3349         (tree_mod_subtract_transform): New.
3350         (tree_find_values_to_profile): Implement.
3351         * profile.c (instrument_values):  Free histograms.
3352         (compute_value_histograms): Adjust. Implement tree version.
3353
3354 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
3355
3356         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
3357         * config/i386/i386.c (output_fix_trunc): Add new round_mode
3358         variable.  Output "fldcw" depending on round_mode.
3359         * config/i386/i386.md (UNSPEC_FIST): New.
3360         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
3361         New isns patterns to implement lrint and llrint built-ins as x87
3362         intrinsic function.
3363         (fistdi2, fist<mode>2 splitters): New splitters.
3364         (lrint<mode>2): New expanders.
3365
3366 2005-03-28  Ian Lance Taylor  <ian@airs.com>
3367
3368         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
3369         0 when calling final_scan_insn.
3370
3371 2005-03-28  Jan Hubicka  <jh@suse.cz>
3372
3373         PR middle-end/20635
3374         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
3375         as needed.
3376
3377         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
3378         types where possible.
3379
3380 2005-03-26  Per Bothner  <per@bothner.com>
3381
3382         Make -f[no-]show-column also control non-cpp diagnostics.
3383         * c.opt (fshow-column): Move option from here ...
3384         * common.opt (fshow-column): ... to here.
3385         * diagnostic.c (diagnostic_build_prefix): Only print column number
3386         if flag_show_column.
3387
3388 2005-03-27  Steven Bosscher  <stevenb@suse.de>
3389
3390         * vax-protos.h (vax_output_int_move, vax_output_int_add,
3391         vax_output_conditional_branch): New prototypes.
3392         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
3393         extracted from vax.md mov and add patterns.
3394         (vax_output_conditional_branch): New function to output conditional
3395         branch instructions.
3396         * vax.md: Use mode macros for arithmetic and mov patterns.
3397         Use code macros for the jump patterns.
3398
3399 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
3400
3401         * Makefile.in (libbackend.o): Depend on version files;
3402         add custom generation command.
3403
3404 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
3405
3406         PR target/20636
3407         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
3408         sure that we have a REG before getting its REGNO.
3409
3410 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3411
3412         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
3413         * builtins.def (BUILT_IN_STRNDUP): New.
3414
3415 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
3416
3417         PR tree-optimization/20470
3418         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
3419         ABS(x-y).
3420
3421 2005-03-25  Mike Stump  <mrs@apple.com>
3422
3423         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
3424         sized objects.
3425
3426 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
3427
3428         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
3429         Use our own structure definitions.
3430
3431         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
3432         (fix_truncdfsi2): Allow registers or memory as destination.
3433         When TARGET_PPC_GFXOPT, generate simplified pattern.
3434         (fix_truncdfsi2_internal): Use define_insn_and_split.
3435         (fix_truncdfsi2_internal_gfxopt): New.
3436         (fctiwz): Don't confuse register allocation by giving it no choices.
3437         (stfiwx): New.
3438         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
3439         (EXTRA_MEMORY_CONSTRAINT): Likewise.
3440         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
3441         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
3442
3443 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
3444
3445         * dominance.c (free_dominance_info): Speed up by freeing et
3446         data structures without maintaining other nodes.
3447         * et-forest.c (et_free_tree_force): New.
3448         * et-forest.h: Add a prototype for et_free_tree_force.
3449
3450         * tree.c (get_set_constructor_bits,
3451         get_set_constructor_bytes): Remove.
3452         * tree.h: Remove the corresponding prototypes.
3453
3454 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
3455
3456         PR target/15491
3457         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
3458         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
3459         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
3460         PRE_DEC, NEG and NOT.
3461
3462 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
3463
3464         * fold-const.c: Convert uses of fold (build (...)) to
3465         fold_buildN.
3466
3467 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
3468
3469         PR rtl-optimization/20249
3470         * cse.c (insert_regs): Do not record equivalence of registers in
3471         different modes.
3472
3473 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
3474
3475         * emit-rtl.c (reverse_comparison): Remove.
3476         * rtl.h: Remove the corresponding prototype.
3477
3478 2005-03-24  James E Wilson  <wilson@specifixinc.com>
3479
3480         * doc/install.texi (--enable-altivec): Delete docs.
3481
3482 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
3483
3484         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
3485         SFmode and DFmode before reload when
3486         flag_unsafe_math_optimizations not enabled.
3487
3488 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
3489
3490         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
3491
3492         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
3493         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
3494
3495 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
3496
3497         * configure.ac (enable-checking): Add 'runtime' option.
3498         * doc/install.texi (enable-checking): Document 'runtime' checking.
3499         * tsystem.h (gcc_assert, gcc_unreachable): Define.
3500         * config.in: Regenerated.
3501         * configure: Regenerated.
3502
3503 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
3504
3505         * optabs.h (enum optab_index): Remove OTI_llrint.
3506         (llrint_optab): Remove macro.
3507         * optabs.c (init_optabs): Remove llrint_optab initialization.
3508         * genopinit.c (optabs): Remove llrint_optab implementation.
3509         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
3510         using lrint_optab.
3511
3512 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
3513
3514         PR rtl-optimization/20532
3515         * simplify-rtx.c (simplify_binary_operation_1): Protect from
3516         overflow when adding coefficients for PLUS or MINUS.
3517         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
3518         two as multiplier.
3519
3520 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
3521
3522         * langhooks.h (truthvalue_conversion): Remove.
3523         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
3524         LANG_HOOKS_TRUTHVALUE_CONVERSION.
3525         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
3526         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
3527         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
3528
3529 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
3530
3531         * params.def: Fix a typo.
3532         * config/mips/mips.c: Follow the spelling convensions.
3533         * doc/invoke.texi: Fix typos.
3534
3535 2005-03-18  Dale Johannese  <dalej@apple.com>
3536
3537         * cp/tree.c (cp_tree_equal):  Handle SSA_NAME.
3538
3539 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
3540
3541         Fix PR tree-optimization/20601
3542
3543         * tree-ssa-pre.c (insert_aux): Add missing condition to
3544         constification.
3545
3546 2005-03-23  Ian Lance Taylor  <ian@airs.com>
3547
3548         * final.c (final_scan_insn): Don't remove no-op instructions.
3549         * reload1.c (reload): Remove simple no-op instructions even when
3550         not optimizing.
3551
3552 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
3553
3554         PR tree-optimization/20501
3555         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
3556         reporting that peeling for alignment is applied moved to...
3557         * (vect_analyze_data_refs_alignment): Here.
3558
3559 2005-03-23  Ian Lance Taylor  <ian@airs.com>
3560
3561         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
3562
3563 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3564
3565         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
3566         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
3567
3568 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
3569
3570         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
3571         imply that this is called once, independent of asms in code.
3572         Adjust to now being pased output and input lists.  Mention helper
3573         function decl_overlaps_hard_reg_set_p.
3574         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
3575         hook_tree_tree_identity and to take three trees, returning third.
3576         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
3577         prototype.
3578         * stmt.c: include hard-reg-set.h before tree.h.
3579         (decl_overlaps_hard_reg_set_p): New function, broken out from...
3580         (decl_conflicts_with_clobbers_p): Call
3581         decl_overlaps_hard_reg_set_p.
3582         (expand_asm_operands): Pass output and input lists in call to
3583         targetm.md_asm_clobbers.
3584         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
3585         hook_tree_tree_tree_tree_3rd_identity.
3586         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
3587         parameters.
3588         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
3589         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
3590         parameters, first two unused.
3591         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
3592         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
3593         in constraint letters and MOF is not mentioned as a asm-declared
3594         register in neither of the input and output lists.
3595
3596 2005-03-23  DJ Delorie  <dj@redhat.com>
3597
3598         * optabs.c (expand_binop): Make sure the first subword's result
3599         gets stored.
3600
3601 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
3602
3603         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
3604         Call c_common_truthvalue_conversion rather than
3605         lang_hooks.truthvalue_conversion.
3606         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
3607         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
3608         c-typeck.c.
3609         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
3610         c_common_truthvalue_conversion.
3611         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
3612         c_parser_conditional_expression, c_parser_binary_expression): Call
3613         c_objc_common_truthvalue_conversion.
3614         * c-typeck.c (build_unary_op): Call
3615         c_objc_common_truthvalue_conversion.
3616         (build_conditional_expr): Do not call
3617         lang_hooks.truthvalue_conversion.
3618         (build_binary_op): Call c_common_truthvalue_conversion.
3619         (c_objc_common_truthvalue_conversion): Moved from
3620         c-objc-common.c.  Call default_function_array_conversion instead
3621         of default_conversion.
3622
3623 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
3624
3625         * c-common.h (default_conversion): Remove.
3626         (perform_integral_promotions): Add.
3627         * c-tree.h (default_conversion): Add.
3628         * c-typeck.c (perform_integral_promotions): New, split out from
3629         default_conversion.
3630         * c-common.c (check_case_value): Use perform_integral_promotions,
3631         not default_conversion.
3632         (c_add_case_label): Don't continue processing case label after
3633         found to be pointer.
3634
3635 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
3636
3637         * gcc.c (do_spec_1): Do not add a -L path for a directory in
3638         the prefix list if we have already added a multilib directory
3639         based on that path.
3640         (main): Do not add MD_EXEC_PREFIX to the list of directories to
3641         search with -L.
3642
3643 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
3644
3645         * reload1.c (indirect_symref_ok, reload_obstack): Make them
3646         static.
3647         * reload.h: Remove the prototype for indirect_symref_ok.
3648
3649         * reload1.c (indirect_symref_ok): Make it global.
3650         * reload.h: Add a prototype for indirect_symref_ok.
3651
3652 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
3653
3654         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
3655         ashlhi3 expander.
3656
3657 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
3658
3659         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
3660
3661 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
3662
3663         * c-opts.c (c_common_parse_file): Only start/end main source file
3664         if debug hooks says the writer wants it.
3665         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
3666         member.
3667         (xcoff_debug_hooks): Ditto.
3668         * debug.c (do_nothing_hooks): Ditto.
3669         * debug.h (gcc_debug_hooks): Ditto.
3670         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
3671         * sdbout.c (sdb_debug_hooks): Ditto.
3672         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
3673
3674 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
3675
3676         * doc/extend.texi: Deprecate C++ min/max operators.
3677
3678 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
3679
3680         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
3681         artificial original candidates.
3682
3683 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
3684             Jan Hubicka  <jh@suse.cz>
3685             Steven Bosscher <stevenb@suse.de>
3686
3687         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
3688         call cost based on argument sizes.
3689         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
3690         inlining.
3691         * params.def: (max-inline-inssn-single): Set to 450.
3692         (max-inline-insns-auto): Set to 90.
3693         (max-inline-insns-recursive): Set to 450
3694         (max-inline-insns-recursive-auto): Set to 450.
3695         (large-function-insns): Set to 2700.
3696         (inline-call-cost): New parameter.
3697         * tree-inline.c (estimate_move_cost): New function.
3698         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
3699         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
3700         based on arguments.
3701         * tree-inline.h (estimate_move_cost): Declare.
3702         * invoke.texi: (max-inline-inssn-single): Change default to 450.
3703         (max-inline-insns-auto): Change default to 90.
3704         (max-inline-insns-recursive): Change default to 450
3705         (max-inline-insns-recursive-auto): Change default to 450.
3706         (large-function-insns): Change default to 2700.
3707         (inline-call-cost): Document new parameter.
3708
3709 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
3710
3711         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
3712         (TARGET_DEFAULT): Delete.
3713         * config/i860/i860.opt: New file.
3714
3715 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
3716
3717         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
3718         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
3719         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
3720         (frv_sched_lookahead): Delete.
3721         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
3722         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
3723         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
3724         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
3725         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
3726         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
3727         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
3728         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
3729         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
3730         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
3731         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
3732         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
3733         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
3734         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
3735         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
3736         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
3737         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
3738         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
3739         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
3740         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
3741         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
3742         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
3743         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
3744         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
3745         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
3746         (frv_sched_lookahead): Delete.
3747         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
3748         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3749         (frv_handle_option): New function.  Move -mcpu= handling from...
3750         (frv_override_options): ...here.  Remove handling of other
3751         TARGET_OPTIONS.
3752         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
3753         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
3754         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
3755         and TARGET_NO_MULTI_CE.
3756         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
3757         !TARGET_VLIW_BRANCH.
3758         * config/frv/frv.opt: New file.
3759
3760 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
3761
3762         * fold-const.c (fold_ternary): Take decomposed arguments of
3763         CALL_EXPR.
3764         (fold): Update a call to fold_ternary.
3765
3766         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
3767         * tree.h: Add corresponding prototypes.
3768
3769 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
3770
3771         PR target/20561
3772         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
3773         between jump table and its label.
3774         * final.c (shorten_branches): Handle notes in between ADDR_VEC
3775         resp. ADDR_DIFF_VEC and the label preceeding it.
3776         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
3777         is emitted in the right section.
3778
3779 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
3780
3781         * fold-const.c (fold_unary, fold_binary): Update comments
3782         about arguments.
3783
3784 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
3785
3786         PR rtl-optimization/20527
3787         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
3788         REG_INC note, test that the register also isn't mentioned in PRED
3789         or SUCC.
3790
3791 2005-03-22  Ben Elliston  <bje@au.ibm.com>
3792
3793         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
3794         and definition.
3795
3796 2005-03-21  Mike Stump  <mrs@apple.com>
3797
3798         * varasm.c (default_assemble_visibility): Remove extra ().
3799
3800 2005-03-21  Roger Sayle  <roger@eyesopen.com>
3801
3802         PR middle-end/20557
3803         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
3804         to determine whether a block can be duplicated, rather than test
3805         whether the block contains noncopyable insns ourselves.
3806
3807 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
3808
3809         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
3810         predicates.
3811
3812 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
3813
3814         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
3815
3816 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
3817
3818         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
3819         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
3820         * config/fr30/fr30.opt: New file.
3821
3822 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
3823
3824         Fix PR tree-optimization/20542
3825
3826         * tree-flow-inline.h (overlap_subvar): Move to here.
3827         * tree-ssa-operands.c: From here.
3828         * tree-flow.h (overlap_subvar): Declare.
3829         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
3830         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
3831         for variables with subvars.
3832
3833 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
3834
3835         PR middle-end/20177
3836         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
3837         * modulo-sched.c (const_iteration_count): Return on NULL
3838         pre-header.
3839         (print_node_sched_params): Return on NULL dump_file.
3840         (generate_reg_moves): Handle reg-anti dependencies and disregard
3841         closing branch when generating register moves.
3842         (sms_schedule): Mark the SMSed block dirty.
3843         * passes.c (rest_of_handle_sms): Call update_life_info for all
3844         basic-blocks.
3845         * testsuite/gcc.dg/20050321-1.c: New test.
3846
3847 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
3848
3849         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
3850         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
3851         movqi_internal): Likewise.
3852
3853 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
3854
3855         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
3856         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
3857         xtensa_b4const): Delete prototypes.
3858         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
3859         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
3860         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
3861         xtensa_extra_constraint): New prototypes.
3862         (add_operand, arith_operand, nonimmed_operand, mem_operand,
3863         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
3864         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
3865         move_operand, const_float_1_operand, fpmem_offset_operand,
3866         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
3867         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
3868         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
3869         argument type to HOST_WIDE_INT.
3870         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
3871         xtensa_mask_immediate): Likewise.
3872         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
3873         Likewise.  Also make these functions static.
3874         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
3875         (xtensa_const_ok_for_letter_p): New.
3876         (add_operand, arith_operand, nonimmed_operand, mem_operand,
3877         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
3878         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
3879         move_operand, const_float_1_operand, fpmem_offset_operand,
3880         branch_operator, ubranch_operator, boolean_operator): Move to
3881         predicates.md.
3882         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
3883         (xtensa_mem_offset): Change return type to bool.
3884         (xtensa_extra_constraint): New.
3885         (gen_int_relational): Update type of const_range_p function pointer.
3886         Use xtensa_b4const_or_zero.
3887         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
3888         xtensa_const_ok_for_letter_p.  Update comments.
3889         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
3890         (PREDICATE_CODES): Delete.
3891         * config/xtensa/xtensa.md: Include predicates.md.
3892         * config/xtensa/predicates.md: New file.
3893
3894 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
3895
3896         * config/v850/v850-protos.h: Remove the prototypes for
3897         reg_or_int9_operand, reg_or_const_operand,
3898         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
3899         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
3900         movsi_source_operand, power_of_two_operand,
3901         not_power_of_two_operand, special_symbolref_operand,
3902         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
3903         register_is_ok_for_epilogue.
3904         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
3905         reg_or_int9_operand, reg_or_const_operand,
3906         call_address_operand, special_symbolref_operand,
3907         movsi_source_operand, power_of_two_operand,
3908         not_power_of_two_operand, register_is_ok_for_epilogue,
3909         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
3910         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
3911         predicates.md.
3912         * config/v850/v850.h (PREDICATE_CODES): Remove.
3913         * config/v850/v850.md: Include predicates.md.
3914         * config/v850/predicates.md: New.
3915
3916 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
3917
3918         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
3919         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
3920         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
3921         (itoolsdir, itoolsdatadir): Move definition above new first use.
3922         (install-itoolsdirs): New rule.
3923         (install-mkheaders): Depend on install-itoolsdirs, not
3924         install-include-dir.
3925
3926 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
3927
3928         * tree-into-ssa.c: Remove obsolete comments.
3929
3930 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
3931
3932         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
3933         unrolling if -fpeel-loops is specified, too.
3934         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
3935         Remove superfluous check for flag_unroll_loops.
3936
3937 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
3938
3939         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
3940         (lrint_optab, llrint_optab): Define corresponding macros.
3941         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
3942         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
3943         pattern and llrint_optab using llrintdi2 patterns.
3944         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
3945         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
3946         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
3947         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
3948         flag_unsafe_math_optimizations is set.
3949
3950 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
3951
3952         * combine.c (combine_simplify_rtx, simplify_if_then_else,
3953         simplify_logical, if_then_else_cond, known_cond,
3954         simplify_comparison): Adjust calls to reverse_comparison.
3955         Don't use combine_reversed_comparison_code).
3956         (combine_reversed_comparison_code): Remove.
3957         (reversed_comparison): Using reversed_comparison_code, move it...
3958         * jump.c (reversed_comparison): ... here.
3959         * rtl.h (reversed_comparison): Add prototype.
3960
3961 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
3962
3963         * builtins.c (fold_builtin): Take decomposed arguments of
3964         CALL_EXPR.
3965         * fold-const.c (fold_ternary): Update a call to fold_builtin.
3966         * gimplify.c (gimplify_call_expr): Likewise.
3967         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
3968         * tree.h: Update the prototype of fold_builtin.
3969
3970 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
3971
3972         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
3973         * rtlhooks.c (gen_lowpart_no_emit_general): New.
3974         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
3975         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
3976         * simplify-rtx.c (simplify_binary_operation_1): Use it.
3977
3978 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
3979
3980         * builtins.c (fold_builtin_1): Take decomposed arguments of
3981         CALL_EXPR.
3982         (fold_builtin): Update a call to fold_builtin_1.
3983
3984 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
3985
3986         PR other/20564
3987         * gcov.c (output_lines): Only output function block summary when
3988         outputting branch information.
3989         * doc/gcov.texi: Document format of preamble and additional block
3990         information lines.
3991
3992 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
3993
3994         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
3995         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
3996         the defaults false if BITS_PER_UNIT != 8.
3997         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
3998         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
3999         than BITS_PER_UNIT != 8.
4000         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
4001         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
4002         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
4003         #undefs.
4004         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
4005         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
4006
4007 2005-03-20  Roger Sayle  <roger@eyesopen.com>
4008
4009         PR middle-end/20539
4010         * fold-const.c (fold_binary): Fix type mismatch between
4011         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
4012         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
4013         for non-truth-valued expressions.
4014
4015         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
4016         and FUNCTION_DECL in the main switch.
4017         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
4018         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
4019         we also need to convert their operands to match.
4020         <TRUTH_NOT_EXPR>: Likewise.
4021
4022 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
4023
4024         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
4025         diagnostic without checking whether an lvalue.
4026         * c-common.h (lvalue_p): Remove.
4027         (enum lvalue_use): Update comment.
4028         (lvalue_or_else): Replace by lvalue_error.
4029         * c-typeck.c (lvalue_p): Make static.
4030         (lvalue_or_else): New.  Call lvalue_error.
4031
4032 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
4033
4034         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
4035         (function_arg_advance): Use rs6000_parm_start.
4036         (function_arg, rs6000_arg_partial_bytes): Likewise.
4037
4038 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
4039
4040         * c-common.c (check_case_value): Adjust comment about stripping
4041         NOPs.
4042         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
4043         * c-typeck.c (default_conversion, convert_arguments,
4044         build_modify_expr, convert_for_assignment, store_init_value,
4045         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
4046         manually.  Remove inaccurate comments.
4047
4048 2005-03-20  Roger Sayle  <roger@eyesopen.com>
4049             Joseph S. Myers  <joseph@codesourcery.com>
4050
4051         * varasm.c (do_assemble_alias): Restore comment describing function.
4052         Annotate the target parameter as potentially unused.
4053
4054 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
4055
4056         PR target/18551
4057         * config/avr/avr.c (avr_output_function_prologue): Do not use
4058         current_function_name() in a label, use a local label instead.
4059
4060 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
4061
4062         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
4063         flag_finite_math_only, not flag_unsafe_math_optimizations.
4064
4065 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
4066
4067         * builtins.c (fold_builtin_1): Update a call to
4068         targetm.fold_builtin.
4069         * hooks.c (hook_tree_tree_bool_null): Rename to
4070         hook_tree_tree_tree_bool_null.  Take one more argument of type
4071         tree.
4072         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
4073         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
4074         hook_tree_tree_tree_bool_null.
4075         * target.h (gcc_target): Update the prototype of fold_builtin.
4076         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
4077         arguments of CALL_EXPR.
4078         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
4079         new prototype.
4080
4081 2005-03-20  Jan Hubicka  <jh@suse.cz>
4082
4083         * cgraph.h (cgraph_node): Add prev_clone pointer.
4084         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
4085         (cgraph_clone_node): Produce doubly linked chain.
4086
4087 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
4088
4089         * c-common.c (handle_aligned_attribute, check_function_sentinel,
4090         get_nonnull_operand, handle_sentinel_attribute,
4091         check_function_arguments_recurse): Do not strip NOPS from
4092         INTEGER_CSTs.
4093         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
4094         Likewise.
4095         * c-format.c (get_constant): Likewise.
4096         * c-parser.c (c_parser_postfix_expression): Likewise.
4097         * c-typeck.c (set_init_index): Likewise.
4098         (convert_arguments): Don't check for NOP_EXPR containing integer
4099         constant.
4100
4101 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
4102
4103         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
4104         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
4105         Take decomposed arguments of CALL_EXPR.
4106         (fold_builtin_1): Update calls to the functions mentioned
4107         above.
4108
4109 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
4110
4111         * c-decl.c (check_bitfield_type_and_width): Require bit-field
4112         width to have integer type.
4113         (build_enumerator): Require enumerator value to have integer type.
4114
4115 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
4116
4117         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
4118         to __builtin_inff.
4119
4120 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
4121
4122         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
4123         std=iso9899:199x): Correct descriptions.
4124
4125 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
4126
4127         * config.gcc: Consistently use solaris2.1[0-9]* instead of
4128         solaris2.1[0-9].
4129
4130 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
4131
4132         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
4133         of CALL_EXPR.
4134         (expand_builtin_memcpy, fold_builtin_1): Update calls to
4135         fold_builtin_memcpy.
4136
4137         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
4138         arguments of CALL_EXPR.
4139         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
4140         fold_builtin_found, fold_builtin_1): Update calls to
4141         fold_trunc_transparent_mathfn.
4142
4143 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4144
4145         PR middle-end/20493
4146         * fold-const.c (fold_widened_comparison): Don't optimize casts of
4147         function pointers on targets that require function pointer
4148         canonicalization.
4149         (fold_sign_changed_comparison): Likewise.
4150
4151 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
4152
4153         * combine.c (try_combine): When changing the mode of a hard reg, make
4154         sure that doing so is valid.
4155
4156 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
4157
4158         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
4159         (TARGET_HANDLE_OPTION): Override default.
4160         (avr_handle_option): New function.
4161         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
4162         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
4163         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
4164         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
4165         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
4166         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
4167         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
4168         (TARGET_OPTIONS): Delete.
4169         * config/avr/avr.opt: New file.
4170
4171 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4172
4173         * config/m32r/m32r-protos.h: Remove the prototypes for
4174         call_address_operand, symbolic_operand, seth_add3_operand,
4175         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
4176         reg_or_uint16_operand, reg_or_cmp_int16_operand,
4177         two_insn_const_operand, move_src_operand,
4178         move_double_src_operand, move_dest_operand,
4179         eqne_comparison_operator, signed_comparison_operator,
4180         large_insn_p, conditional_move_operand, carry_compare_operand,
4181         m32r_block_immediate_operand, extend_operand,
4182         reg_or_eq_int16_operand, int8_operand, and
4183         reg_or_zero_operand.
4184         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
4185         seth_add3_operand, int8_operand, cmp_int16_operand,
4186         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
4187         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
4188         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
4189         move_double_src_operand, move_dest_operand,
4190         eqne_comparison_operator, signed_comparison_operator,
4191         extend_operand, small_insn_p, large_insn_p,
4192         conditional_move_operand, carry_compare_operand,
4193         m32r_block_immediate_operand): Move to predicates.md.
4194         (MAX_MOVE_BYTES): Move to m32r.h.
4195         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
4196         * config/m32r/m32r.md: Include predicates.md.
4197         * config/m32r/predicates.md: New.
4198
4199 2005-03-18  James E Wilson  <wilson@specifixinc.com>
4200
4201         PR c++/19769
4202         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
4203         origin.
4204
4205 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4206
4207         * config/mn10300/mn10300-protos.h: Remove the prototypes for
4208         call_address_operand, const_8bit_operand.
4209         * config/mn10300/mn10300.c (call_address_operand,
4210         const_8bit_operand, const_1f_operand): Move to predicates.md.
4211         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
4212         * config/mn10300/mn10300.md: Include predicates.md.
4213         * config/mn10300/predicates.md: New.
4214
4215 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
4216
4217         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
4218         declarations in diagnostics and %E for identifiers, not %s.
4219
4220 2005-03-18  Jan Hubicka  <jh@suse.cz>
4221             Dale Johannesen  <dalej@apple.com>
4222
4223         * basic-block.h (scale_bbs_frequencies_int,
4224         scale_bbs_frequencies_gcov_type): Declare.
4225         * cfg.c (RDIV): New macro.
4226         (update_bb_frequency_for_threading): Fix.
4227         * basic-block.h (scale_bbs_frequencies_int,
4228         scale_bbs_frequencies_gcov_type): New.
4229         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
4230         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
4231         scale_bbs_frequencies_int.
4232         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
4233
4234 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4235
4236         * config/m32r/m32r-protos.h: Remove the prototypes for
4237         call_address_operand, symbolic_operand, seth_add3_operand,
4238         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
4239         reg_or_uint16_operand, reg_or_cmp_int16_operand,
4240         two_insn_const_operand, move_src_operand,
4241         move_double_src_operand, move_dest_operand,
4242         eqne_comparison_operator, signed_comparison_operator,
4243         large_insn_p, conditional_move_operand, carry_compare_operand,
4244         m32r_block_immediate_operand, extend_operand,
4245         reg_or_eq_int16_operand, int8_operand, and
4246         reg_or_zero_operand.
4247         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
4248         seth_add3_operand, int8_operand, cmp_int16_operand,
4249         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
4250         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
4251         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
4252         move_double_src_operand, move_dest_operand,
4253         eqne_comparison_operator, signed_comparison_operator,
4254         extend_operand, small_insn_p, large_insn_p,
4255         conditional_move_operand, carry_compare_operand,
4256         m32r_block_immediate_operand): Move to predicates.md.
4257         (MAX_MOVE_BYTES): Move to m32r.h.
4258         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
4259         * config/m32r/m32r.md: Include predicates.md.
4260         * config/m32r/predicates.md: New.
4261
4262         * config/pa/pa-protos.h: Add prototypes for magic_milli and
4263         shadd_constant_p.
4264         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
4265         symbolic_operand, symbolic_memory_operand,
4266         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
4267         indexed_memory_operand, move_dest_operand, move_src_operand,
4268         prefetch_cc_operand, prefetch_nocc_operand,
4269         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
4270         arith_operand, arith11_operand, pre_cint_operand,
4271         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
4272         ireg_operand, int5_operand, uint5_operand, int11_operand,
4273         uint32_operand, arith5_operand, and_operand, ior_operand,
4274         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
4275         pc_or_label_operand, div_operand, plus_xor_ior_operator,
4276         shadd_operand, movb_comparison_operator,
4277         cmpib_comparison_operator): Move to predicates.md.
4278         (magic_milli, shadd_constant_p): Make it extern.
4279         * config/pa/pa.h (PREDICATE_CODES): Remove.
4280         * config/pa/pa.md: Include predicates.md.
4281         * config/pa/predicates.md: New.
4282
4283         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
4284         predicate.
4285
4286 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4287
4288         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
4289         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
4290         config/alpha/freebsd.h, config/alpha/linux.h,
4291         config/alpha/netbsd.h, config/alpha/osf5.h,
4292         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
4293         config/h8300/h8300-protos.h, config/h8300/h8300.c,
4294         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
4295         doc/cppopts.texi: Update copyright.
4296
4297 2005-03-18  Jan Hubicka  <jh@suse.cz>
4298
4299         PR middle-end/20225
4300         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
4301         too late.
4302         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
4303         called too late.
4304
4305 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4306
4307         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
4308         VEC_safe_push.
4309
4310 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
4311
4312         * combine.c (gen_binary): Remove.
4313         (known_cond, simplify_shift_const, find_split_point,
4314         combine_simplify_rtx, simplify_if_then_else, simplify_set,
4315         simplify_logical, expand_field_assignment, extract_left_shift,
4316         force_to_mode, if_then_else_cond, apply_distributive_law,
4317         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
4318         simplify_comparison, reversed_comparison): Replace with
4319         simplify_gen_binary, simplify_gen_relational or
4320         distribute_and_simplify_rtx.
4321         (distribute_and_simplify_rtx): New function.
4322
4323 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
4324             Paolo Bonzini  <gcc.gnu.org>
4325
4326         * calls.c (setjmp_call_p, special_function_p): Update comments
4327         at the head of the functions.
4328
4329 2005-03-18  Jan Hubicka  <jh@suse.cz>
4330
4331         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
4332
4333         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
4334         function body should be released; do not proactively release function
4335         bodies in non-unit-at-a-time mode.
4336
4337 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
4338
4339         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
4340         mno-fp-ret-in-387 multilib variants.
4341
4342 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
4343
4344         * common.opt (m): Remove.
4345         * opts.c (handle_option): Pass 'm' options to set_target_switch if
4346         table lookup fails.
4347         (common_handle_option): Remove OPT_m case.
4348
4349 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4350
4351         * builtins.c (fold_builtin_bitop): Take decomposed arguments
4352         of CALL_EXPR.
4353         (fold_builtin_1): Update a call to fold_builtin_bitop.
4354
4355         * builtins.c (fold_builtin_signbit): Take decomposed arguments
4356         of CALL_EXPR.
4357         (fold_builtin_1): Update a call to fold_builtin_signbit.
4358
4359 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
4360
4361         PR tree-optimization/20474
4362         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
4363         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
4364
4365 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
4366
4367         * config/h8300/h8300-protos.h: Remove prototypes for
4368         general_operand_src, general_operand_dst, single_one_operand,
4369         single_zero_operand, call_insn_operand,
4370         two_insn_adds_subs_operand, small_call_insn_operand,
4371         jump_address_operand, bit_operand, bit_memory_operand,
4372         stack_pointer_operand, const_int_gt_2_operand,
4373         const_int_ge_8_operand, const_int_qi_operand,
4374         const_int_hi_operand, incdec_operand, bit_operator,
4375         nshift_operator, eqne_operator, gtle_operator,
4376         gtuleu_operator, iorxor_operator.
4377         Add prototypes for h8sx_shift_type h8sx_classify_shift and
4378         h8300_ldm_stm_parallel.
4379         * config/h8300/h8300.c (h8sx_shift_type,): Move to
4380         h8300-protos.h.
4381         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
4382         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
4383         (h8300_ldm_stm_parallel): Make it extern.
4384         (h8300_ldm_parallel, h8300_stm_parallel,
4385         h8300_return_parallel, general_operand_src,
4386         general_operand_dst, h8300_dst_operand, h8300_src_operand,
4387         nibble_operand, reg_or_nibble_operand, single_one_operand,
4388         single_zero_operand, call_insn_operand,
4389         two_insn_adds_subs_operand, small_call_insn_operand,
4390         jump_address_operand, bit_operand, bit_memory_operand,
4391         stack_pointer_operand, const_int_gt_2_operand,
4392         const_int_ge_8_operand, const_int_qi_operand,
4393         const_int_hi_operand, incdec_operand, eqne_operator,
4394         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
4395         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
4396         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
4397         nshift_operator): Move to predicates.md.
4398         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
4399         * config/h8300/h8300.md: Include predicates.md.
4400         * config/h8300/predicates.md: New.
4401
4402 2005-03-17  Richard Henderson  <rth@redhat.com>
4403
4404         * config.gcc (ia64*-*-hpux*): Add extra_options.
4405         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
4406         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
4407         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
4408         (ia64_tls_size_string, ia64_tune_string): Remove.
4409         (ia64_tune): Init to PROCESSOR_ITANIUM2.
4410         (TARGET_DEFAULT_TARGET_FLAGS): New.
4411         (TARGET_HANDLE_OPTION): New.
4412         (ia64_override_options): Move options parsing ...
4413         (ia64_handle_option): ... here.  New.
4414         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
4415         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
4416         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
4417         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
4418         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
4419         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
4420         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
4421         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
4422         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
4423         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
4424         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
4425         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
4426         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
4427         TARGET_EARLY_STOP_BITS): Remove.
4428         (TARGET_ILP32): Default false.
4429         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
4430         (enum ia64_inline_type): New.
4431         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
4432         * config/ia64/ia64.md: Update for new definitions of
4433         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
4434         * config/ia64/ia64.opt: New file.
4435         * config/ia64/ilp32.opt: New file.
4436
4437 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4438
4439         PR target/18380
4440         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
4441
4442 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
4443
4444         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
4445         instead of MASK_H8300S.
4446         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
4447         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
4448         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
4449         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
4450         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
4451         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
4452         TARGET_SWITCHES): Remove.
4453         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
4454         TARGET_H8300SX.
4455         * config/h8300/h8300.opt: New.
4456
4457         * config/alpha/alpha.opt, config/arc/arc.opt,
4458         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
4459         notices.
4460
4461 2005-03-17  Ian Lance Taylor  <ian@airs.com>
4462
4463         * gmon.c: Remove.
4464
4465 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
4466
4467         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
4468         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
4469         (TARGET_HANDLE_OPTION): Override default.
4470         (arc_handle_option): New function.
4471         (arc_init): Remove code to set arch_cpu_string.
4472         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
4473         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
4474         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
4475         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
4476         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
4477         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
4478         (arc_rodata_string, TARGET_OPTIONS): Delete.
4479         * config/arc/arc.opt: New file.
4480
4481 2005-03-17  Richard Henderson  <rth@redhat.com>
4482
4483         * doc/extend.texi (Weak Pragmas): New section.
4484         (attribute alias): Clarify that target must be in the same
4485         translation unit.
4486
4487 2005-03-17  Richard Henderson  <rth@redhat.com>
4488
4489         * config/alpha/alpha.opt: New file.
4490         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
4491         of alpha_cpu.
4492         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
4493         alpha_fprm_string, alpha_fptm_string): Make static.
4494         (alpha_tls_size_string): Remove.
4495         (alpha_handle_option): New.
4496         (override_options): Update for alpha_cpu/alpha_tune split.
4497         (alpha_file_start): Likewise.
4498         (TARGET_DEFAULT_TARGET_FLAGS): New.
4499         (TARGET_HANDLE_OPTION): New.
4500         * config/alpha/alpha.h (alpha_tune): Declare.
4501         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
4502         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
4503         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
4504         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
4505         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
4506         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
4507         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
4508         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
4509         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
4510         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
4511         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
4512         (TARGET_DEFAULT): Remove MASK_FP.
4513         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
4514         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
4515         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
4516         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
4517         alpha_tls_size_string): Remove.
4518         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
4519         (attribute tune): Rename from attribute cpu.
4520         * config/alpha/ev4.md: Update to match.
4521         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
4522         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
4523         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
4524         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
4525         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
4526         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
4527
4528 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
4529
4530         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
4531         and return without creating new state if before_nops_num is nonzero.
4532         * config/ia64/ia64.md (first_insn): New attribute.
4533         (alloc): Set it to yes.
4534
4535 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
4536
4537         * tree-vectorizer.c (new_vec_stmt_info): Initialize
4538         STMT_VINFO_SUBVARS to NULL.
4539         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
4540
4541 2005-03-16 Dale Johannesen  <dalej@apple.com>
4542
4543         * rtlanal.c (find_first_parameter_load):  Rewrite to
4544         return actual first param load or the call if none,
4545         instead of first in block, when not all loads exist.
4546
4547 2005-03-16  Roger Sayle  <roger@eyesopen.com>
4548
4549         * optabs.c (expand_copysign_absneg): Make static.
4550         * optabs.h (expand_copysign_absneg): Delete prototype.
4551         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
4552
4553 2005-03-16  Richard Henderson  <rth@redhat.com>
4554
4555         PR middle-end/15700
4556         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
4557         (alias_pairs): Rename from output_defs.
4558         (find_decl_and_mark_needed): Split out from assemble_alias.
4559         (do_assemble_alias): New.
4560         (assemble_output_def): Remove.
4561         (finish_aliases_1, finish_aliases_2): New.
4562         (process_pending_assemble_output_defs): Remove.
4563         (assemble_alias): Defer aliases for which we don't yet have a
4564         non-external decl for the target symbol.
4565         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
4566         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
4567         * toplev.c (compile_file): Use finish_aliases_2 instead of
4568         process_pending_assemble_output_defs.
4569         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
4570         (process_pending_assemble_output_defs): Remove.
4571
4572 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
4573
4574         Fix PR tree-optimization/20489
4575
4576         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
4577         for empty structures.
4578
4579 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
4580
4581         Fix PR tree-optimization/20490
4582
4583         * tree-ssa-pre.c (create_expression_by_pieces): Use
4584         force_gimple_operand on result of fold.
4585
4586 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
4587
4588         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
4589         of closing parenthesis.
4590
4591 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
4592
4593         * builtins.c (expand_movstr): Update a call to
4594         fold_builtin_strcpy.
4595         (expand_builtin_strncpy): Update a call to
4596         fold_builtin_strncpy.
4597         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
4598         arguments of CALL_EXPR.
4599         (fold_builtin_1): Update calls to fold_builtin_strcpy and
4600         fold_builtin_strncpy.
4601         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
4602         * tree.h: Update the prototypes of fold_builtin_strcpy and
4603         fold_builtin_strncpy.
4604
4605 2005-03-16  Steven Bosscher  <stevenb@suse.de>
4606             Dorit Naishlos  <dorit@il.ibm.com>
4607
4608         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
4609         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
4610         error.
4611
4612 2005-03-16  Steven Bosscher  <stevenb@suse.de>
4613
4614         * tree-inline.c (walk_type_fields, walk_tree,
4615         walk_tree_without_duplicates): Move from here...
4616         * tree.c: ...to here.
4617
4618 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
4619
4620         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
4621         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
4622         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
4623         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
4624         (version): Define using $(BASEVER_c).
4625         (Makefile, config.status, build/gcov-iov.o): No longer depends on
4626         version.c.
4627         (version.o): Depend on version files; add custom generation command.
4628         (prefix.o): Define BASEVER on command line.
4629         (s-iov): Depend on version files; adjust command.
4630         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
4631         Add gcc-vers.texi.
4632         (gcc-vers.texi): New rule.
4633         (doc/%.info, doc/%.dvi): Add -I . to command line.
4634         (doc/gccinstall.dvi): Likewise.
4635         (PACKAGE): Delete.  All uses replaced with "gcc".
4636         * aclocal.m4: Do not include gcc-version.m4.
4637         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
4638         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
4639         Set is_release based on contents of DEV-PHASE.
4640         Set gcc_version based on contents of BASE-VER.
4641         Define WIN32_REGISTRY_KEY only if the user overrode the default.
4642         * config.in, configure: Regenerate.
4643         * gccbug.in: Determine version of GCC in use at runtime.
4644         * gcov-iov.c: Get version number and development phase from
4645         command line, not by including version.c.
4646         * intl.c: Replace all uses of PACKAGE with "gcc".
4647         * libada-mk.in: Delete unused "gcc_version" variable.
4648         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
4649         * version.c: (VERSUFFIX): New hook for redistributors; adjust
4650         commentary to match.
4651         (version_string): Put together from pieces.
4652         * config/alpha/x-vms: Do not use $(gcc_version).
4653         * config/i386/t-nwld: Likewise.
4654         * doc/include/gcc-common.texi: Include gcc-vers.texi for
4655         version-GCC and DEVELOPMENT.
4656
4657 2005-03-15  Roger Sayle  <roger@eyesopen.com>
4658
4659         PR tree-optimization/17454
4660         * tree.c (tree_size): Add case for TREE_BINFO.
4661         * fold-const.c (fold_checksum_tree): Only clear the overloaded
4662         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
4663
4664 2005-03-15  Roger Sayle  <roger@eyesopen.com>
4665
4666         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
4667         op1 whilst expanding the signed widenening multiply variant.
4668
4669 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
4670
4671         * toplev.c (display_target_options): Avoid unused variable warning if
4672         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
4673         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
4674         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
4675         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
4676         (mips_isa_info): New variable.
4677         (mips_parse_cpu): Remove the first argument and leave the caller
4678         to report errors.
4679         (TARGET_HANDLE_OPTION): Override default.
4680         (mips_handle_option): New function.  Move option validation code from...
4681         (override_options): ...here.  Update calls to mips_parse_cpu.
4682         * config/mips/mips.h (mips_arch_string, mips_tune_string)
4683         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
4684         (SUBTARGET_TARGET_OPTIONS): Delete.
4685         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
4686         (mno-flush-func, mtune=): New options.
4687
4688 2005-03-15  Roger Sayle  <roger@eyesopen.com>
4689             Richard Henderson  <rth@redhat.com>
4690
4691         * real.c (c4x_single_format, c4x_extended_format): Provide values
4692         for signbit_ro for c4x's single and extended floating point formats.
4693         * optabs.c (expand_copysign): Use the floating point format's
4694         signbit_ro for expanding via expand_copysign_absneg, and it's
4695         signbit_rw field for expanding via expand_copysign_bit.
4696
4697 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
4698
4699         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
4700         known_alignment_for_access_p.
4701         (known_alignment_for_access_p): New.
4702         (do_peeling_for_alignment): Field made int instead of bool and renamed
4703         to peeling_for_alignment.
4704         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
4705         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
4706         functionality used to be in vect_analyze_operations.
4707         (vect_analyze_operations): Code to determine vectorization factor was
4708         moved to vect_determine_vectorization_factor.
4709         (vect_enhance_data_refs_alignment): Update to correct alignment when it
4710         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
4711         factor.
4712         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
4713         be part of vect_analyze_operations).
4714         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
4715         creating the guard condition, as the number of iterations may be
4716         constant.
4717         (slpeel_tree_peel_loop_to_edge): Use new name of
4718         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
4719         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
4720         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
4721         (vect_do_peeling_for_alignment): Use fold.
4722         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
4723
4724         (vect_update_inits_of_dr): Renamed to
4725         vect_update_init_of_dr.
4726         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
4727         (vectorizable_store): Fix assertion to use == instead of =.
4728
4729 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
4730
4731         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
4732         call_used_regs for wCG registers.
4733
4734 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
4735
4736         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
4737         for non-offsettable memory references to cope with outstanding reload
4738         replacements, take 2.
4739
4740 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
4741
4742         PR target/18668
4743         * config/i386/i386.h (x86_fisttp): New.
4744         (TARGET_FISTTP): New macro.
4745         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
4746         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
4747         instruction when fisttp flag is set.
4748         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
4749
4750         * config/i386/i386.md (type attribute): Add fisttp.
4751         (unit attribute): Set to i387 for fisttp type.
4752         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
4753         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
4754         TARGET_FISTTP.
4755         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
4756         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
4757         macros.
4758         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
4759         patterns for TARGET_FISTTP.  Enable patterns for
4760         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
4761         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
4762         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
4763         implement fisttp x87 insn.
4764         (fix_trunc*_i387_fisttp splitters): New patterns.
4765         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
4766         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
4767         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
4768         clobber.
4769         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
4770         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
4771         Implement using mode macros. Disable patterns for TARGET_FISTTP.
4772         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
4773         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
4774         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
4775         Disable patterns for TARGET_FISTTP.
4776         (fix_trunc*_i387 splitters): Implement usign mode macros.
4777         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
4778         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
4779         (fix_trunx*_sse peephole2s): Implement using mode macros.
4780
4781 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
4782
4783         PR rtl-optimization/20291
4784         * combine.c (try_combine): If splitting fails, re-try with
4785         original combined pattern, i.e. before clobber stripping.
4786
4787 2005-03-14  Eric Christopher  <echristo@redhat.com>
4788
4789         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
4790         STACK_GROWS_DOWNWARD.
4791
4792 2005-03-14  Roger Sayle  <roger@eyesopen.com>
4793
4794         * real.h (struct real_format): Split the signbit field into two
4795         two fields, signbit_ro and signbit_rw.
4796         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
4797         mips_double_format, ieee_extended_motorola_format,
4798         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
4799         ieee_extended_intel_128_format, ibm_extended_format,
4800         mips_extended_format, ieee_quad_format, mips_quad_format,
4801         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
4802         i370_double_format, c4x_single_format, c4x_extended_format,
4803         real_internal_format): Update initializers for new field.
4804         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
4805         real_format structure.
4806         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
4807         field of the real_format structure.
4808
4809 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
4810
4811         Fix PR tree-optimization/20458
4812
4813         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
4814         DECL_EXTERNAL on STRUCT_FIELD tags.
4815         (clear_call_clobbered): Ditto.
4816         * tree-ssa-operands.c (note_addressable): Make sure the original
4817         variable doesn't slip into the addressable list if we have
4818         subvars.
4819         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
4820         tags too.
4821
4822 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
4823
4824         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
4825         (-fwide-exec-charset): Likewise.
4826         (-finput-charset): Likewise.
4827         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
4828         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
4829         * c.opt (Wnormalized): New.
4830
4831 2005-03-14  Devang Patel  <dpatel@apple.com>
4832
4833         * doc/invoke.texi: Add reference to Visibility document.
4834
4835 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
4836
4837         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
4838         MASK_SPLIT_ADDRESSES.
4839         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
4840         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
4841         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
4842         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
4843         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
4844         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
4845         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
4846         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
4847         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
4848         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
4849         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
4850         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
4851         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
4852         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
4853         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
4854         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
4855         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
4856         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
4857         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
4858         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
4859         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
4860         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
4861         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
4862         (TARGET_EXPLICIT_RELOCS): Delete.
4863         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
4864         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
4865         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
4866         (override_options): Set MASK_LONG64 if -mint64 is given and no
4867         -mlongXX option is.  Complain about -mint64 -mlong32.
4868         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
4869         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
4870         * config/mips/mips.opt: New file.
4871
4872 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
4873
4874         * config.gcc (extra_options): New variable for listing option files.
4875         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
4876         * configure.ac (extra_opt_files): New AC_SUBST variable.
4877         (tm_file_list, tm_include_list): Include options.h first.
4878         * configure: Regenerate.
4879         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
4880         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
4881         (s-options-h): New rule.
4882         (options.h): Depend on it.
4883         (TEXI_GCCINT_FILES): Add options.texi.
4884         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
4885         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
4886         * target.h (gcc_target): Add default_target_flags and handle_option.
4887         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
4888         (TARGET_HANDLE_OPTION): New macros.
4889         (TARGET_INITIALIZER): Include them.
4890         * opt-functions.awk (opt_args, nth_arg): New functions.
4891         (switch_flags): Handle the "Target" flag.
4892         (var_args): Delete.
4893         (var_name): Use opt_args and nth_arg.
4894         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
4895         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
4896         macros for the "Mask" and "InverseMask" options.
4897         * opts.h (cl_var_cond): New enum.
4898         (cl_option): Replace the "has_set_value" and "set_value" fields with
4899         "var_cond" and "var_value".
4900         (CL_TARGET): New macro.
4901         (option_enabled, print_filtered_help): Declare.
4902         (decode_options): Move definition.
4903         * opts.c (handle_option): Search for the original option before
4904         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
4905         var_cond and var_value fields.  Use targetm.handle_option to handle
4906         target options.
4907         (decode_options): Set target_flags to targetm.default_target_flags.
4908         (print_filtered_help): Make global.  Handle CL_TARGET.
4909         (option_enabled): New function.
4910         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
4911         (display_target_options, set_target_switch, print_switch_values)
4912         (default_pch_valid_p): Guard uses of target_switches with
4913         #ifdef TARGET_SWITCHES.  Also...
4914         (display_target_options): Display the CL_TARGET entries in cl_options.
4915         (set_target_option): Don't complain about the "" option when
4916         TARGET_SWITCHES is undefined.
4917         (print_switch_values): Use option_enabled.
4918         (default_pch_valid_p): Check cl_options[] when looking for something
4919         that has changed the value of target_flags.
4920         * c.opt: Remove documentation from top of file.
4921         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
4922         * doc/sourecebuild.texi: Refer to the new options documentation
4923         instead of c.opt.  Document machine-specific .opt files.
4924         * doc/tm.texi (target_flags): Say that this variable is declared
4925         by options.h.
4926         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
4927         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
4928         an alternative.
4929         * doc/options.texi: New file.
4930
4931 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
4932
4933         PR middle-end/18628
4934         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
4935         register.
4936
4937 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
4938
4939         PR c++/20280
4940         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
4941         temporary variable of pointer type if an lvalues is required.
4942         (gimplify_modify_expr_rhs): Request an rvalue from it.
4943         (gimplify_expr): Pass fallback on.
4944
4945 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
4946
4947         * cfgbuild.c: Update comments.
4948
4949 2005-03-14  Roger Sayle  <roger@eyesopen.com>
4950
4951         PR rtl-optimization/17236
4952         * optabs.c (expand_doubleword_mult): New helper function split out
4953         from expand_binop.  Permute the order in which instructions are
4954         emitted to minimize the number of simultaneously live registers.
4955         (expand_binop): Call expand_doubleword_mult to synthesize a double
4956         word multiplication.
4957
4958 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
4959
4960         * basic-block.h: Update the prototypes of cached_make_edge and
4961         rtl_make_eh_edge.
4962         * cfg.c (cached_make_edge): Take edge_cache representing one
4963         row of the adjacency matrix of edges.
4964         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
4965         (make_edges): Initialize edge_cache to represent one row of
4966         the adjacency matrix of edges.
4967
4968 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
4969
4970         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
4971         New functions.
4972         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
4973         Remove unused removed_phis variable.
4974         (conditional_replacement): Use build1/build2.
4975         (abs_replacement): Use last_and_only_stmt and build1/build2.
4976
4977 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
4978
4979         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
4980         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
4981         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
4982         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
4983         * c-common.c (handle_novops_attribute): New function.
4984         (c_common_attribute_table): Add "no vops" entry.
4985         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
4986         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
4987         * tree-ssa-operands.c (get_call_expr_operands): Do not
4988         create virtual operands for calls with ECF_NOVOPS flag.
4989         * tree.h (DECL_IS_NOVOPS): New macro.
4990         (struct tree_decl): Add novops_flag.
4991         (ECF_NOVOPS): New constant.
4992
4993 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
4994
4995         PR target/17688
4996         * config/i386/i386.c (x86_use_himode_fiop): New.
4997         (x86_use_simode_fiop): Rename from x86_use_fiop.
4998         * config/i386/i386.h (x86_use_himode_fiop): Declare.
4999         (TARGET_USE_HIMODE_FIOP): New.
5000         (x86_use_simode_fiop): Rename from x86_use_fiop.
5001         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
5002
5003         * config/i386/i386.md (X87MODEI12): New mode macro define.
5004         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
5005         to implement x87 FP compare with HImode input operands.
5006         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
5007         Use X87MODEI12 mode macro to handle HImode input operands.
5008         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
5009         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
5010         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
5011         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
5012         macro to implement x87 operators with HImode input operands.
5013         (fop splitters): Use X87MODEI12 mode macro to handle HImode
5014         input operands.
5015
5016 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
5017
5018         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
5019         integer_zerop.
5020         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
5021         constants invariant.
5022
5023 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
5024
5025         * basic-block.h (BB_VISITED): Removed.
5026         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
5027
5028 2005-03-14  Falk Hueffner  <falk@debian.org>
5029
5030         PR bootstrap/20424
5031         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
5032
5033 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
5034
5035         * ggc-zone.c: Fix comment typos.
5036
5037         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
5038         stringpool.c, config/mips/mips-protos.h: Update copyright.
5039
5040 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
5041
5042         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
5043         throughout with its typedef, "rtx".
5044         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
5045         (rs6000_tls_symbol_ref_1): Remove inline keyword.
5046         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
5047         regs in comment to match code.
5048
5049 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
5050
5051         * except.c (check_handled): Make it static.
5052         * except.h: Remove the corresponding prototype.
5053
5054         * function.c (get_func_frame_size): Make it static.
5055         * function.h: Remove the corresponding type.
5056
5057         * regclass.c (reg_class_superclasses, reg_class_subclasses):
5058         Make them static.
5059         * hard-reg-set.h: Remove the corresponding declarations.
5060
5061         * tree-cfg.c (verify_stmts): Check that
5062         bb_for_stmt (stmt) == bb for every PHI node and statement.
5063
5064 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
5065
5066         * config.gcc: Remove excess indentation.
5067         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
5068
5069 2005-03-13  Roger Sayle  <roger@eyesopen.com>
5070
5071         PR middle-end/19331
5072         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
5073         * fold-const.c (fold_sign_changed_comparison): Likewise.
5074         (fold_binary): Optimize comparisons against widened operands if
5075         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
5076
5077 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
5078
5079         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
5080         (sparc_override_options): Initialize it.
5081         (sparc_struct_value_rtx): Set it on the MEM to be returned.
5082
5083 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
5084
5085         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
5086         (reg_or_none500mem_operand): New predicate.
5087         (zero_reg_mem_operand): New predicate.
5088         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
5089         to reg_or_none500mem_operand.
5090         (extendsfdf2_fpr): Add MEM alternative.
5091         (extenddftf2_internal): Change operand2 predicate to
5092         zero_reg_mem_operand.
5093
5094 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5095
5096         * ggc-zone.c: Rewritten.
5097
5098         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
5099         if there are none.
5100         * configure.ac: Define GGC_ZONE for --with-gc=zone.
5101         * config.in: Regenerated.
5102         * configure: Regenerated.
5103         * gengtype.c (write_types_process_field, write_func_for_structure):
5104         Pass new argument to gt_pch_note_object.
5105         * ggc-common.c (struct ptr_data): Add TYPE.
5106         (gt_pch_note_object): Take TYPE argument and save it.
5107         (call_count): Update call to ggc_pch_count_object.
5108         (call_alloc): Update call to ggc_pch_alloc_object.
5109         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
5110         file.
5111         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
5112         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
5113         (ggc_alloc_zone_stat): Delete.
5114         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
5115         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
5116         (ggc_pch_alloc_object): Update prototypes.
5117         (garbage_zone): Delete.
5118         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
5119         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
5120         pointers.
5121         (tree_id_zone): New variable.
5122         (ggc_alloc_cleared_zone): Remove unused.
5123         (ggc_alloc_zone): Define.
5124         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
5125         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
5126         ggc_alloc_zone_stat.
5127         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
5128         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
5129         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
5130         (make_node_stat): Likewise.  Use tree_id_zone.
5131
5132 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5133             Joseph S. Myers  <joseph@codesourcery.com>
5134
5135         * configure.ac: Check for MIPS TLS.
5136         * configure: Regenerated.
5137         * config/mips/mips-protos.h (enum mips_symbol_type): Add
5138         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
5139         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
5140         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
5141         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
5142         (mips_classify_symbol, mips_symbolic_constant_p)
5143         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
5144         (mips_tls_operand_p, mips_call_tls_get_addr)
5145         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
5146         (mips_tls_symbol_ref_1): New functions.
5147         (mips_legitimize_address, mips_legitimize_const_move): Call
5148         mips_legitimize_tls_address.
5149         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
5150         for MIPS16.
5151         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
5152         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
5153         (mips_char_to_class): Document V1_REG.
5154         (HAVE_AS_TLS): Provide default.
5155         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
5156         constants.
5157         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
5158         !TARGET_ABICALLS.
5159         (tls_get_tp_<mode>): New instruction.
5160
5161 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5162
5163         * configure.ac: Update checks for target tools.
5164         * configure: Regenerated.
5165
5166 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5167
5168         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
5169
5170 2005-03-13  Roger Sayle  <roger@eyesopen.com>
5171
5172         * expmed.c (expand_mult): Use synthetic multiplication sequences for
5173         more classes of DImode multiplication by constant.  Allow both
5174         multiplication by small negative constants (by performing a
5175         multiplication by a positive constant and negating the result) and
5176         multiplications by large powers of two, by using a left shift.
5177
5178 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
5179
5180         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
5181         of basic blocks into work_stack.
5182
5183         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
5184         config/mips/vr.h: Update copyright.
5185
5186         * c-decl.c (c_init_decl_processing): Remove useless calls to
5187         build_function_type.
5188
5189         * builtins.c (fold_trunc_transparent_mathfn,
5190         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
5191         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5192         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
5193         fold_builtin_strcpy, fold_builtin_strncpy,
5194         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
5195         TREE_TYPE (exp).
5196
5197         * builtins.c (expand_builtin_mathfn_3): Remove local variable
5198         before_call.
5199
5200         * lambda-code.c (lambda_compute_auxillary_space): Remove local
5201         variable determinant.
5202
5203         * tree-cfg.c (group_case_labels): Remove local variable type.
5204
5205         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
5206         variable ann.
5207
5208         * tree-ssa-phiopt.c (value_replacement): Remove local variable
5209         result.
5210
5211 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
5212
5213         PR target/18251
5214         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
5215         (*movmemqi_insn): Delete.
5216         (*movmemhi): Delete.
5217
5218 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
5219
5220         * builtins.c (fold_builtin_classify): Take decomposed
5221         arguments of CALL_EXPR.
5222         (fold_builtin_1): Update a call to fold_builtin_classify.
5223
5224 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
5225
5226         PR c/20402
5227         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
5228         through into call to parser_xref_tag after parse error.
5229         (c_parser_struct_declaration): Consistently return NULL_TREE on
5230         error.
5231
5232 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
5233
5234         * tree-flow-inline.h (ref_contains_array_ref): New function.
5235         (lookup_subvars_for_var): Ditto.
5236         (get_subvars_for_var): Ditto.
5237         (var_can_have_subvars): Ditto.
5238
5239         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
5240         (struct subvar): New type.
5241
5242         * tree-dfa.c (okay_component_ref_for_subvars): New function.
5243
5244         * tree-optimize.c (init_tree_optimization_passes): Call
5245         pass_create_structure_vars.
5246
5247         * tree-ssa-alias.c: Include vec.h.
5248         (init_alias_info): Don't auto-clear call clobbered on struct-field
5249         tags.
5250         (compute_flow_insensitive_aliasing): Handle subvars.
5251         (group_aliases): Handle STRUCT_FIELD aliases.
5252         (setup_pointers_and_addressables): Ditto.
5253         Don't mark variables non-addressable if they still have
5254         addressable subvars.
5255         Also mark subvars addressable when the real variable is marked
5256         addressable.
5257         (add_pointed_to_var): Try to prune the pointed-to set by only
5258         pointing to subvars when possible.
5259         Otherwise, make sure we set addresses_needed and pt_vars to
5260         properly include subvars.
5261         (bitpos_of_field): New function.
5262         (push_fields_onto_fieldstack): Ditto.
5263         (get_or_create_used_part_for): Ditto.
5264         (create_overlap_variables_for): Ditto.
5265         (find_used_portions): Ditto.
5266         (create_structure_vars): Ditto.
5267         (pass_create_structure_vars): New structure.
5268
5269         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
5270         (get_expr_operands): Handle subvars.  Also try to turn
5271         COMPONENT_REF accesses into must-defs now that we can accurately
5272         portray it.
5273         (note_addressable): Try to only mark as addressable those subvars
5274         we know a COMPONENT_REF touches.
5275         (overlap_subvar): New function.
5276
5277         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
5278         Handle subvar storing.
5279         (vect_address_analysis): Update caller of vect_object_analysis.
5280
5281         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
5282
5283         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
5284         (STMT_VINFO_SUBVARS): New macro.
5285
5286         * common.opts: add flag_tree_salias.
5287
5288         * opts.c (decode_options): flag_tree_salias defaults to on.
5289
5290         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
5291
5292         * doc/tree-ssa.texi: Document structural alias analysis.
5293
5294 2005-03-12  Steven Bosscher  <stevenb@suse.de>
5295
5296         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
5297         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
5298         * tree-ssa-operands.c (get_expr_operands): Likewise.
5299         (get_expr_operands): Likewise for ERROR_MARK.
5300
5301 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
5302
5303         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
5304         var.
5305
5306         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
5307         removed_phis.
5308
5309         * tree-ssa-pre.c (compute_avail): Remove local variable val.
5310         (mark_operand_necessary): Remove local variable ver.
5311
5312         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
5313         variable prefix_len.
5314
5315         * value-prof.c (mod_subtract_transform): Remove local variable
5316         value.
5317
5318         * builtins.c (fold_builtin_exponent): Take decomposed
5319         arguments of CALL_EXPR.
5320         (fold_builtin_1): Update a call to fold_builtin_exponent.
5321
5322         * builtins.c (fold_builtin_logarithm): Take decomposed
5323         arguments of CALL_EXPR.
5324         (fold_builtin_1): Update a call to fold_builtin_logarithm.
5325
5326         * c-decl.c (c_init_decl_processing): Remove local variables
5327         ptr_ftype_void and ptr_ftype_ptr.
5328
5329         * gimplify.c (gimplify_expr): Remove local variables r0 and
5330         r1.
5331
5332         * reg-stack.c (move_for_stack_reg): Remove local variable
5333         push_insn.
5334         (compare_for_stack_reg): Remove local variable flags_user.
5335         (convert_regs_1): Remove local variable deleted.
5336
5337         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
5338         variable new_cond.
5339         (combine_blocks): Remove local variables exits and new_e.
5340
5341         * tree-inline.c (expand_call_inline): Remove local variable
5342         decl.
5343
5344         * tree-ssa-live.c (create_ssa_var_map,
5345         calculate_live_on_entry): Remove local variable snn.
5346
5347 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
5348
5349         * c-lex.c (c_lex_with_flags): Add parameter to call to
5350         cpp_spell_token.
5351
5352 2005-03-11  Per Bothner  <per@bothner.com>
5353
5354         * c-tree.h (struct c_declarator): New id_loc field.
5355         * c-pragma.h (c_lex_with_flags): Take position reference.
5356         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
5357         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
5358         (c_lex): Pass dummy location to c_lex_with_flags.
5359         * c-parser.c (c_lex_one_token): Set c_token's location using
5360         c_lex_with_flags, instead of input_location, which might be "ahead".
5361         (c_parser_direct_declarator): Set declarator's id_loc from
5362         c_token's id_loc.
5363         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
5364         declarator's id_loc, rather than probably-imprecise input_location.
5365         (build_id_declarator): Initialize c_declarator's id_loc field.
5366
5367 2005-03-11  Roger Sayle  <roger@eyesopen.com>
5368
5369         PR middle-end/20419
5370         * builtins.c (expand_builtin_signbit): Force the signbit's word
5371         into an integer register to avoid SUBREGs of floating point modes.
5372
5373 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
5374
5375         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
5376         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
5377         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
5378         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
5379
5380 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
5381
5382         PR rtl-optimization/20306
5383         * expr.c (emit_move_complex): Set try_int false if mode is
5384         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
5385         emit_block_move if try_int is true.
5386
5387 2005-03-11  Richard Henderson  <rth@redhat.com>
5388
5389         PR target/20415
5390         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
5391         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
5392         to match.
5393
5394 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
5395
5396         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
5397         (TARGET_FIX_VR4130): New macro.
5398         (TARGET_OPTIONS): Add -mfix-vr4130.
5399         (ISA_HAS_MACCHI): New macro.
5400         (ASM_SPEC): Add -mfix-vr4130.
5401         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
5402         (override_options): Handle mips_fix_vr4130_string.
5403         (mips_avoid_hazards): Clear all_noreorder_p
5404         if we're working around VR4130 errata and the macc alternatives
5405         are not available.
5406         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
5407         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
5408         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
5409         (MULTILIB_DEFAULTS): Remove leading "march=".
5410         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
5411         if no architecture option is given.
5412         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
5413         VR4130 multilibs.
5414         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
5415         * doc/invoke.texi: Document -mfix-vr4130.
5416
5417 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
5418
5419         * config/mips/mips.c (override_options): Only warn about -mint64
5420         deprecation if TARGET_INT64.
5421
5422 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5423
5424         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
5425         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
5426         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
5427         are non-specific regarding the nonnull parameter positions.
5428         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
5429         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
5430         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
5431         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
5432
5433         * builtins.def: Use the non-specific "nonnull" attibute lists.
5434
5435 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
5436
5437         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
5438         single_pred_edge, single_succ, single_pred): Improve comments.
5439
5440 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
5441
5442         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
5443         single_pred_edge, single_succ, single_pred): New inline functions.
5444         * bb-reorder.c (rotate_loop, find_traces_1_round,
5445         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
5446         duplicate_computed_gotos): Use the single_succ/pred functions.
5447         * cfganal.c (forwarder_block_p): Ditto.
5448         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
5449         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
5450         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
5451         merge_seq_blocks): Ditto.
5452         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
5453         * cfglayout.c (fixup_reorder_chain): Ditto.
5454         * cfgloop.c (mark_single_exit_loops, update_latch_info,
5455         canonicalize_loop_headers, verify_loop_structure): Ditto.
5456         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
5457         mfb_update_loops, create_preheader, force_single_succ_latches,
5458         create_loop_notes): Ditto.
5459         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
5460         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
5461         commit_one_edge_insertion, purge_dead_edges,
5462         cfg_layout_can_merge_blocks_p): Ditto.
5463         * except.c (sjlj_emit_function_enter): Ditto.
5464         * flow.c (init_propagate_block_info): Ditto.
5465         * function.c (thread_prologue_and_epilogue_insns): Ditto.
5466         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
5467         insert_insn_end_bb): Ditto.
5468         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
5469         find_if_case_2): Ditto.
5470         * lambda-code.c (perfect_nestify): Ditto.
5471         * lcm.c (optimize_mode_switching): Ditto.
5472         * loop-doloop.c (doloop_modify): Ditto.
5473         * loop-init.c (loop_optimizer_init): Ditto.
5474         * loop-iv.c (simplify_using_initial_values): Ditto.
5475         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
5476         * loop-unswitch.c (unswitch_loop): Ditto.
5477         * modulo-sched.c (generate_prolog_epilog): Ditto.
5478         * predict.c (combine_predictions_for_insn, estimate_probability,
5479         tree_estimate_probability, last_basic_block_p,
5480         estimate_bb_frequencies): Ditto.
5481         * profile.c (branch_prob): Ditto.
5482         * regrename.c (copyprop_hardreg_forward): Ditto.
5483         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
5484         * tracer.c (layout_superblocks): Ditto.
5485         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
5486         cfg_remove_useless_stmts_bb, cleanup_control_flow,
5487         cleanup_control_expr_graph, disband_implicit_edges,
5488         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
5489         tree_verify_flow_info, tree_make_forwarder_block,
5490         tree_forwarder_block_p, remove_forwarder_block,
5491         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
5492         * tree-if-conv.c (tree_if_conversion): Ditto.
5493         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
5494         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
5495         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
5496         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
5497         copy_loop_headers): Ditto.
5498         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
5499         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
5500         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
5501         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
5502         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
5503         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
5504         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
5505         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
5506         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
5507         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
5508         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
5509         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
5510         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
5511         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
5512         slpeel_add_loop_guard): Ditto.
5513
5514 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
5515
5516         PR tree-optimization/15784
5517         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
5518         and -1 - A to ~A.
5519
5520         * stmt.c (expand_case): Don't change index_type.  Convert minval
5521         to the proper type.
5522
5523         PR tree-optimization/20130
5524         * fold-const.c (fold): Fold x * -1 into -x.
5525
5526 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
5527
5528         PR rtl-optimization/20331
5529         * rtlanal.c (modified_between_p): Check its address first for MEM.
5530         (modified_in_p): Likewise.
5531
5532 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
5533
5534         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
5535
5536 2005-03-10  Steven Bosscher  <stevenb@suse.de>
5537
5538         * expr.c (expand_expr_real_1): If possible, use a conditional
5539         move for expanding MIN_EXPR and MAX_EXPR.
5540         Use temp for moving around rtx-en.
5541
5542 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
5543
5544         PR rtl-opt/20412
5545         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
5546         correct mode.
5547
5548 2005-03-10  Roger Sayle  <roger@eyesopen.com>
5549
5550         * builtins.c (expand_builtin_signbit): Extend to handle floating
5551         point modes wider than the largest integer type, using the
5552         operand_subword_force function to obtain the signbit's word.
5553
5554 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
5555
5556         PR target/20322
5557         * combine.c (try_combine): If recog_for_combine added CLOBBERs
5558         to NEWI2PAT, fail to combine if they are used by NEWPAT.
5559
5560 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
5561
5562         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
5563
5564 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
5565
5566         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
5567         type void.
5568         (perform_edge_inserts): Unconditionally call
5569         free_dominator_info.
5570
5571         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
5572
5573 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
5574
5575         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
5576
5577 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
5578
5579         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
5580
5581         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
5582         gcc_unreachable.
5583         (rtl_register_value_prof_hooks,
5584         tree_value_profile_transformations,
5585         tree_register_value_prof_hooks): Likewise.
5586         * var-tracking.c (stack_adjust_offset_pre_post,
5587         variable_htab_free, variable_union, dataflow_set_different_2,
5588         count_uses, variable_was_changed, set_frame_base_location,
5589         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
5590         vt_add_function_parameters): Likewise.
5591         * varasm.c (named_section_real, named_section, make_decl_rtl,
5592         asm_emit_uninitialised, assemble_integer, decode_addr_const,
5593         const_hash_1, compare_constant, copy_constant, force_const_mem,
5594         output_constant_pool_2, output_constant_pool_1, output_constant,
5595         output_constructor, make_decl_one_only, decl_tls_model,
5596         default_no_named_section, default_elf_select_section_1,
5597         default_unique_section_1): Likewise.
5598         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
5599         * vmsdbgout.c (addr_const_to_string): Likewise.
5600
5601         PR c++/20375
5602         * function.c (struct assign_parm_data_one): Remove last_named
5603         field.
5604         (assign_parm_find_data_types): Don't determine last_named.
5605         Reorder named_parm determination.
5606         (assign_parms): Only setup varargs on the last non-varadic
5607         parameter.
5608
5609 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
5610
5611         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
5612         sda base address on medium model.
5613
5614 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
5615
5616         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
5617         * cfgloop.c (flow_loop_nodes_find): Export.
5618         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
5619         Declare.
5620         * cfgloopmanip.c (fix_loop_structure): New function.
5621         * predict.c (predict_loops): Clean up the loops information.
5622         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
5623         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
5624         loop structure.
5625         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
5626         (rewrite_into_loop_closed_ssa): Declaration changed.
5627         * tree-loop-linear.c (linear_transform_loops): Add argument to
5628         rewrite_into_loop_closed_ssa call.
5629         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5630         * tree-ssa-loop-im.c (move_computations): Ditto.
5631         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5632         * tree-vectorizer.c (vectorize_loops): Ditto.
5633         * tree-optimize.c: Include cfgloop.h.
5634         (execute_todo): Choose whether to call cleanup_tree_cfg or
5635         cleanup_tree_cfg_loop.
5636         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
5637         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
5638         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
5639         cleanup_tree_cfg_loop call.
5640         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
5641         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
5642         work on part of cfg.
5643
5644 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
5645
5646         PR inline-asm/20314
5647         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
5648         with multiple alternatives.
5649
5650         * stmt.c (parse_output_constraint): Fix a typo.
5651
5652 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
5653
5654         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
5655         assembly directive instead of deprecated "no-generics".
5656
5657 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
5658
5659         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
5660         for non-offsettable memory references to cope with outstanding reload
5661         replacements.
5662         * config/s390/s390.md ("reload_outti"): Call find_replacement to
5663         avoid losing outstanding address reloads.
5664         ("reload_outdi", "reload_outdf"): Likewise.
5665
5666 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5667
5668         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
5669         code.  Add more cbrt transformations.
5670
5671 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5672
5673         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
5674
5675 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
5676
5677         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
5678         NULL_TREE when a given tree is not simplified.
5679         (fold): Return the original tree when any of the functions
5680         mentioned above NULL_TREE.
5681
5682         * fold-const.c (fold_unary, fold_binary): Take decomposed
5683         arguments, code, type, op0, and op1 in case of fold_binary.
5684         (fold): Update calls to fold_unary and fold_binary.
5685
5686 2005-03-09  Roger Sayle  <roger@eyesopen.com>
5687
5688         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
5689         a fndecl and an arglist instead of a CALL_EXPR, exp.
5690
5691 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
5692
5693         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
5694
5695         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
5696
5697         * expr.c (expand_assignment): Remove orig_to_rtx.
5698
5699         * fold-const.c (int_const_binop): Remove no_overflow.
5700
5701         * ifcvt.c (noce_emit_move_insn): Remove inmode.
5702
5703         * loop-iv.c (get_biv_step_1): Remove lhs.
5704
5705         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
5706
5707         * real.c (real_nan): Remove neg.
5708
5709         * function.c (thread_prologue_and_epilogue_insns): Remove i
5710         and newinsn.
5711
5712         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
5713         tb.
5714
5715         * tree-eh.c (tree_could_trap_p): Remove idx.
5716
5717         * tree-into-ssa.c (ann): Remove ann.
5718
5719         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
5720
5721         * tree-sra.c (decide_block_copy): Remove inst_count.
5722
5723         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
5724
5725         * tree-ssa-loop-im.c (lhs): Remove.
5726
5727         * cfgbuild.c (state, STATE, SET_STATE,
5728         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
5729         make_edges.
5730         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
5731         (find_basic_blocks): Set the state of each basic block to
5732         BLOCK_NEW.
5733
5734 2005-03-08  Jeff Law  <law@redhat.com>
5735
5736         * tree-cfg.c (cleanup_control_flow): If removal of a computed
5737         goto results in the removal of edges in the CFG, then we need
5738         to recompute dominators.
5739
5740 2005-03-09  Ben Elliston  <bje@au.ibm.com>
5741
5742         * c-common.c (c_do_switch_warnings): Comment fix.
5743
5744 2005-03-08  Julian Brown  <julian@codesourcery.com>
5745
5746         * Patch from 2005-03-08 reverted for causing regressions and
5747         ppc-darwin bootstrap failure.
5748
5749 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
5750
5751         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
5752         Define the real function for ppc-darwin.
5753         * c-typeck.c (convert_arguments): Check for target-specific
5754         invalid argument call to unprototyped function.
5755         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
5756         New Macro.
5757         * target.h (invalid_arg_for_unprototyped_fn): New field
5758         in struct calls.
5759         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
5760         default target hook.
5761         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
5762         Declare.
5763
5764 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
5765
5766         * c-typeck.c (constructor_stack, constructor_range_stack,
5767         initializer_stack): Make them static.
5768
5769         * cfg.c (rbi_pool): Make it static.
5770
5771         * gimple-low.c (lower_stmt_body): Make it static.
5772         * tree-flow.h: Remove the corresponding prototype.  Don't
5773         declare lower_data.
5774
5775         * sched-deps.c (cache_size): Make it static.
5776
5777         * stor-layout.c (lang_adjust_rli): Make it static.
5778
5779 2005-03-08  Julian Brown  <julian@codesourcery.com>
5780
5781         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
5782         from being used for symbols with vague linkage when
5783         HAVE_GAS_COMDAT_GROUP is true.
5784
5785 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
5786
5787         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
5788         nlabel == JUMP_LABEL (jump).
5789
5790 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
5791
5792         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
5793         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
5794         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
5795         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
5796
5797 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
5798
5799         PR c/14411
5800         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
5801         * c-common.c (handle_returns_twice): New function.
5802         (c_common_attribute_table): Declare eturns_twice' attribute.
5803         * doc/extend.texi: Document eturns_twice' attribute.
5804         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
5805         (struct tree_decl): Add returns_twice_flag.
5806
5807 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
5808
5809         * tree-ssa-phiopt.c: Fix a comment typo.
5810
5811         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
5812         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
5813         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
5814         copyright.
5815
5816 2005-03-08  Richard Henderson  <rth@redhat.com>
5817
5818         * config/alpha/alpha.c (code_for_builtin): Replace special-case
5819         builtin codes with ctzdi2, clzdi2, popcountdi2.
5820         (struct alpha_builtin_def): Add is_const.
5821         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
5822         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
5823         (alpha_init_builtins): Init them.  Set nothrow and const attributes
5824         on builtins.
5825         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
5826         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
5827         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
5828         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
5829         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
5830         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
5831         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
5832         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
5833         (TARGET_FOLD_BUILTIN): New.
5834         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
5835         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
5836         (ffsdi2): Use ctz.
5837         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
5838
5839 2005-03-08  Ira Rosen  <irar@il.ibm.com>
5840
5841         PR tree-optimization/20122
5842         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
5843         condition of access function instead of base.
5844
5845 2005-03-07  Jeff Law  <law@redhat.com>
5846             Steven Bosscher  <stevenb@suse.de>
5847
5848         * tree-cfg.c (find_taken_edge_computed_goto): New function.
5849         (find_taken_edge): Call find_taken_edge_computed_goto as
5850         appropriate.  Allow any gimple invariant rather than just
5851         INTEGER_CST for VAL.
5852         (cleanup_control_flow): Cleanup a computed goto which has turned
5853         into a simple goto.
5854         (tree_merge_blocks): If block B has any forced labels, move
5855         them to the start of block A.
5856         * tree-ssa-dom.c (thread_across_edge): Allow threading across
5857         computed gotos as well.
5858         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
5859         removal of unnecessary computed gotos too.
5860         (lookup_redirection_data): Fix type of INSERT argument.  Callers
5861         updated.
5862
5863 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
5864
5865         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
5866         Remove trailing spaces.
5867
5868         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
5869         unshare_all_trees): Make them static.
5870         * tree-gimple.h: Remove the corresponding prototypes.
5871
5872         * diagnostic.h: Remove unused prototype
5873         debug_output_buffer.
5874         * modulo-sched.c: Remove unused prototype
5875         set_row_column_for_ps.
5876
5877         * tree-ssa-phiopt.c (tree_ssa_phiopt,
5878         replace_phi_edge_with_variable): Remove unused variable i.
5879
5880 2005-03-07  Per Bothner  <per@bothner.com>
5881
5882         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
5883
5884 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
5885
5886         PR tree-opt/17671
5887         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
5888         bbs on the COND_EXPR instead of the PHI_NODEs.
5889         (candidate_bb_for_phi_optimization): Remove.
5890         (replace_phi_with_stmt): Rename to ...
5891         (replace_phi_edge_with_variable): this and change so that we
5892         replace the phi argument instead of removing the PHI.
5893         (conditional_replacement): Change so we deal with PHI with more
5894         than two arguments.
5895         (value_replacement): Likewise.
5896         (abs_replacement): Likewise.
5897
5898 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
5899
5900         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
5901         output_e500_flip_gt_bit.
5902
5903         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
5904         as bit 31.
5905         (rs6000_generate_compare): Fix logic to look at the correct bits.
5906         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
5907         Look at GT bit.
5908         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
5909         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
5910         gen_move_from_CR_gt_bit.
5911
5912         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
5913         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
5914         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
5915
5916         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
5917         (E500_CR_IOR_COMPARE): New constant.
5918
5919 2005-03-08  Earl Chew <earl_chew@agilent.com>
5920             David Billinghurst <David.Billinghurst@riotinto.com>
5921
5922         * config/i386/host-cygwin.c: New file to support precompiled
5923         headers on cygwin
5924         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
5925         * config.host: Use above files for cygwin host.
5926
5927 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
5928
5929         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
5930         ordering ops from earlier change.
5931
5932 2005-03-07  Per Bothner  <per@bothner.com>
5933
5934         Various fixes to allow us to again build if --enable-mapped-location:
5935         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
5936         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
5937         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
5938         local variable loc. Change logic appropriately.
5939         * tree-vect-transform.c (vect_finish_stmt_generation): Use
5940         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
5941         * c-parser.c (c_parser_for_statement): Initialize loc variable.
5942         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
5943         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
5944
5945 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
5946
5947         PR rtl-optimization/19683
5948         * reload1.c (choose_reload_regs): Pass the number of bits, not the
5949         number of bytes, to smallest_int_for_mode.  Fix arguments to
5950         REG_CANNOT_CHANGE_MODE_P.
5951
5952 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
5953
5954         * reorg.c (relax_delay_slots): Check that the jump is
5955         conditional before trying to invert it.
5956
5957 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
5958
5959         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
5960         Make them static.
5961
5962         * calls (stack_arg_under_construction): Make it static.
5963
5964         * flow.c (regs_live_at_setjmp): Make it static.
5965         * flow.h: Remove the corresponding prototype.
5966
5967         * reload1.c (reload_startobj, reload_firstobj,
5968         something_needs_operands_changed, reload_inherited,
5969         reload_inheritance_insn, reload_override_in,
5970         reload_spill_index): Make them static.
5971
5972         * recog.c (verify_changes): Make it static.
5973         * recog.h: Remove the corresponding prototype.
5974
5975         * cfgbuild.c (find_sub_basic_blocks): Remove.
5976         * basic-block.h: Remove the corresponding prototype.
5977         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
5978         in comments.
5979         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
5980
5981         * tree-ssa-operands.c (check_build_stmt): Remove.
5982
5983         * stor-layout.c (set_alignment): Remove.
5984         * tree.h: Remove the corresponding prototype.
5985
5986         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
5987
5988         * tree-ssa-dce.c (control_dependence_map,
5989         visited_control_parents): Make them static.
5990
5991         * cfghooks.c (verify_flow_info): Remove local variable
5992         num_bb_notes.
5993
5994         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
5995         last_bb_seen.
5996
5997         * loop-unswitch.c (unswitch_loop): Remove local variable src.
5998
5999 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
6000
6001         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
6002
6003 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
6004
6005         * config/ia64/hpux.h (LINK_SPEC): Add -z.
6006         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
6007         PARALLEL for an empty structure.
6008
6009 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
6010
6011         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
6012
6013         * fold-const.c (fold_binary): Unroll the very first "for"
6014         loop.
6015
6016 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
6017
6018         * config/rs6000/predicates.md (branch_comparison_operator): Remove
6019         redundant match_code test.
6020         (scc_comparison_operator): Swap match_operand and match_code
6021         tests.
6022         (branch_positive_comparison_operator): Same.
6023         (trap_comparison_operator): Use comparison_operator and swap with
6024         match_code test.
6025
6026 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
6027
6028         PR target/20288
6029         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
6030         (out_movhi_r_mr): Read low byte of volatile MEM first.
6031         (out_movhi_mr_r): Write high byte of volatile MEM first.
6032
6033 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
6034
6035         * cselib.c (reg_values, reg_values_size): Make them static.
6036
6037         * cse.c (cse_reg_info_table): Make it static.
6038
6039         * fold-const.c (fold_unary): Use build1 instead of copy_node.
6040
6041 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
6042
6043         * cse.c (find_best_addr): Use canon_for_address.
6044
6045 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
6046
6047         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
6048         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
6049         SUBREG and MEM, respectively.
6050
6051         * fold-const.c (fold_binary): Use code instead of t.
6052
6053         * fold-const.c (optimize_minmax_comparison): Take decomposed
6054         arguments code, type, op0, and op1 instead of t.
6055         (fold_binary): Update a call to optimize_minmax_comparison.
6056
6057         * fold-const.c (fold_range_test): Take decomposed arguments
6058         code, type, op0, and op1 instead of t.
6059         (fold_binary): Update a call to fold_range_test.
6060
6061         * fold-const.c (fold_binary_op_with_conditional_arg): Take
6062         decomposed arguments code, type, op0, and op1 instead of t.
6063         (fold_binary): Update a call to fold_range_test.
6064
6065 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
6066
6067         * fold-const.c (fold_binary): Avoid directly using the original
6068         expression t as much as possible.
6069
6070 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
6071
6072         * c-semantics.c (build_stmt): Use TYPE_P instead of
6073         IS_NON_TYPE_CODE_CLASS.
6074         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
6075         (NON_TYPE_CHECK): Use TYPE_P instead of
6076         IS_NON_TYPE_CODE_CLASS.
6077
6078         * fold-const.c (fold): Remove handling of binary expressions.
6079
6080 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
6081
6082         * doc/c-tree.texi: Wrap comments in @r{}.
6083         * doc/cpp.texi: Likewise.
6084         * doc/cppinternals.texi: Likewise.
6085         * doc/extend.texi: Likewise.
6086         * doc/md.texi: Likewise.
6087         * doc/objc.texi: Likewise.
6088         * doc/sourcebuild.texi: Likewise.
6089         * doc/tm.texi: Likewise.
6090         * doc/tree-ssa.texi
6091
6092 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
6093
6094         * predict.c (apply_return_prediction): Standardize PHI chain
6095         walking.
6096         * tree-ssa.c (ssa_redirect_edge): Likewise.
6097
6098         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
6099         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
6100         Update copyright.
6101
6102         * tree-phinodes.c (remove_phi_node): Drop the last argument.
6103         * tree-flow.h: Adjust the prototype for remove_phi_node.
6104         * lambda-code.c (perfect_nestify): Adjust a call to
6105         remove_phi_node.
6106         * tree-cfg.c
6107         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
6108         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
6109         Likewise.
6110         * tree-ssa-dce.c (remove_dead_phis): Likewise.
6111         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6112         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6113         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
6114
6115         * combine.c (simplify_and_const_int): Use gen_int_mode instead
6116         of GEN_INT (trunc_int_for_mode (...)).
6117         * loop-iv.c (iv_number_of_iterations): Likewise.
6118         * postreload.c (reload_cse_move2add): Likewise.
6119         * simplify-rtx.c (simplify_const_unary_operation,
6120         simplify_const_binary_operation): Likewise.
6121         * stor-layout.c (get_mode_bounds): Likewise.
6122
6123         * fold-const.c (fold_binary): New.
6124         (fold): Call fold_binary on binary expressions.
6125
6126 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
6127
6128         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
6129         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
6130         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
6131         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
6132         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
6133
6134 2005-03-04  Devang Patel  <dpatel@apple.com>
6135
6136         PR tree-optimization/18815
6137         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
6138         loops with zero exit edges.
6139
6140 2005-03-04  Devang Patel  <dpatel@apple.com>
6141
6142         * doc/invoke.texi: Remove reference to webpage that does not exist.
6143
6144 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
6145             Joseph S. Myers  <joseph@codesourcery.com>
6146
6147         PR c++/19797
6148         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
6149         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
6150         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
6151         * pa.c (get_plabel): Change argument to symbol_ref.  Call
6152         maybe_get_identifier instead of get_identifier.
6153         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
6154         (struct deferred_plabel): Replace name field with symbol field.
6155         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
6156         ASM_OUTPUT_EXTERNAL_REAL is defined.
6157         (output_global_address): Use output_addr_const for output of all
6158         symbol_refs.
6159         (output_deferred_plabels): Use symbol_ref instead of name for address
6160         output.
6161         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
6162         ASM_OUTPUT_SYMBOL_REF): New macros.
6163         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
6164         comment.
6165         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
6166         label.
6167
6168 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
6169
6170         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
6171         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
6172
6173 2005-03-04  Jeff Law  <law@redhat.com>
6174
6175         * basic-block.h (rediscover_loops_after_threading): Declare.
6176         * tree-ssa-dom.c: Include cfgloop.h.
6177         (tree_ssa_dominator_optimize): Discover loops and some basic
6178         properties.  Remove forwarder blocks recreated by loop header
6179         canonicalization.  Also mark backedges in the CFG.
6180         * tree-ssa-threadupdate.c: Include cfgloop.h
6181         (rediscover_loops_after_threading): Define.
6182         (struct local_info): New field, JUMP_THREADED.
6183         (prune_undesirable_thread_requests): New function.
6184         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
6185         then record that fact for the callers of redirct_edges.
6186         (thread_block): If BB has incoming backedges, then call
6187         prune_undesirable_thraed_requests.    Note when we are
6188         going to have to rediscover loop information.  Return a
6189         boolean indicating if any jumps were threaded.
6190         (thread_through_all_blocks): Bubble up boolean indicating
6191         if any jumps were threaded.
6192         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
6193         (tree-ssa-threadupdate.o): Similarly.
6194
6195 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
6196
6197         * fold-const.c (fold_ternary): Unroll the "for" loop to
6198         extract operands.
6199
6200 2005-03-04  Andrew Haley  <aph@redhat.com>
6201
6202         * unwind-dw2-fde-glibc.c (struct
6203         unw_eh_callback_data.check_cache): New field.
6204         (frame_hdr_cache): New.
6205         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
6206         Cache frame header info.
6207
6208 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
6209
6210         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
6211         (print_c_condition): Declare.
6212         * read-rtl.c (ptr_loc): New structure.
6213         (ptr_locs, ptr_loc_obstack, joined_conditions)
6214         (joined_conditions_obstack): New variables.
6215         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
6216         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
6217         (join_c_conditions, print_c_condition): New functions.
6218         (apply_macro_to_string): Associate the new string with the same
6219         source location as the old one.
6220         (add_condition_to_string): Use join_c_conditions.
6221         (read_string): Use set_rtx_ptr_loc to record a filename and line
6222         number for the string.
6223         (read_rtx): Initialize the new variables above.
6224         * genattrtab.c (write_test_expr, write_attr_value): Use
6225         print_c_condition.
6226         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
6227         comment above the GCC_VERSION check.
6228         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
6229         Inline the definition of MAYBE_EVAL.
6230         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
6231         * genoutput.c (process_template): Likewise.
6232         * genpreds.c (write_predicate_subfunction): Likewise.
6233         (write_predicate_expr): Use print_c_condition.
6234         * genrecog.c (write_cond): Likewise.
6235         * gensupport.c (process_rtx): Use join_c_conditions to join the
6236         conditions of a define_insn_and_split.  Record a source location
6237         for the string after the "&&".
6238         (alter_test_for_insn): Use join_c_conditions.
6239
6240 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
6241
6242         Revert for now:
6243         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
6244         PR tree-optimization/15784
6245         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
6246         and -1 - A to ~A.
6247
6248 2005-03-04  Ben Elliston  <bje@au.ibm.com>
6249
6250         * gcc.c (option_map): Add --coverage.
6251         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
6252         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
6253         * config/darwin.h: Pass -lgcov for `coverage'.
6254         * doc/invoke.texi (Debugging Options): Document --coverage.
6255
6256 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
6257
6258         * gcse.c (bypass_block): Use find_edge wherever possible.
6259
6260 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
6261
6262         Fix PR debug/20253
6263
6264         * c-opts.c (c_common_parse_file): Call start_source_file
6265         and end_source_file at the approriate times.
6266
6267         * dwarf2out.c (dwarf2out_finish): Don't auto-end
6268         the main file, it will be done for us now.
6269
6270 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
6271
6272         * fold-const.c (fold_ternary): New.
6273         (fold): Call fold_ternary on ternary expressions.  Remove
6274         handling of ternary expressions.
6275
6276 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
6277
6278         PR tree-optimization/15784
6279         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
6280         and -1 - A to ~A.
6281
6282 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
6283
6284         * config/rs6000/predicates.md (branch_comparison_operator):
6285         Convert from C block to conditional format.
6286
6287 2005-03-03  Jan Hubicka  <jh@suse.cz>
6288
6289         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
6290         and non-constant public variables.
6291
6292 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
6293
6294         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
6295         with LABEL_EXPR.
6296
6297         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
6298         EDGE_I.
6299
6300         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
6301         calls to release_ssa_name and release_phi_node.
6302
6303         * fold-const.c (fold): Remove handling of unary expressions.
6304
6305         * fold-const.c (fold_unary): Avoid directly using the original
6306         expression t as much as possible.
6307
6308 2005-03-03  Roger Sayle  <roger@eyesopen.com>
6309             Andrew Pinski  <pinskia@physics.uc.edu>
6310
6311         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
6312         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
6313
6314 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
6315
6316         Describe special registers SRP and MOF as allocatable registers.
6317         * config/cris/cris.c (cris_md_asm_clobbers): New function.
6318         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
6319         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
6320         TARGET_HAS_MUL_INSNS.
6321         (cris_print_operand) <case 'd'>: New case.
6322         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
6323         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
6324         define.
6325         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
6326         (REG_ALLOC_ORDER): Update for MOF.
6327         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
6328         SPECIAL_REGS.
6329         (GENERAL_REGS): No longer a define of ALL_REGS.
6330         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
6331         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
6332         Adjust accordingly.
6333         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
6334         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
6335         (SECONDARY_RELOAD_CLASS): Define.
6336         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
6337         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
6338         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
6339         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
6340         (REGISTER_MOVE_COST): Define.
6341         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
6342         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
6343         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
6344         (CRIS_MOF_REGNUM): New define_constants.
6345         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
6346         special registers.
6347         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
6348         New patterns.
6349         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
6350         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
6351         Adjust for MOF being properly described as a register.
6352         (indir_to_reg_split): Name this split.  Conditionalize on the
6353         destination register being a general register.
6354         (movei): Conditionalize on on operands 0 and 1 having the same
6355         register class.
6356
6357 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
6358
6359         PR target/20277
6360         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
6361         -mcpu to override any other explicitly given flags.
6362
6363 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
6364
6365         * recog.c (verify_changes, confirm_change_group): New functions,
6366         broken out of apply_change_group.
6367         (apply_change_group): Use them.
6368         * recog.h (verify_change, confirm_change_group): Declare.
6369         * rtl.h (redirect_jump_2): Declare.
6370         * jump.c (redirect_exp, invert_exp): Delete.
6371         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
6372         (redirect_jump_2): New function, broken out of redirect_jump.
6373         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
6374         (invert_jump): Use invert_jump_1 and redirect_jump_2.
6375         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
6376
6377 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
6378
6379         * varasm.c (named_section): Use xstrdup rather than doing it by
6380         hand.
6381
6382         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
6383
6384 2005-03-02  Devang Patel  <dpatel@apple.com>
6385
6386         Undo PR tree-optimization/18815 fix.
6387
6388 2005-03-02  Devang Patel  <dpatel@apple.com>
6389
6390         PR tree-optimization/18815
6391         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
6392         loops with zero exit edges.
6393
6394 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
6395
6396         * cfg.c (connect_src, connect_dest, disconnect_src,
6397         disconnct_dest): New.
6398         (unchecked_make_edge, remove_edge, redirect_edge_succ,
6399         redirect_edge_pred): Use the new functions.
6400
6401         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
6402         free_dominance_info only when needed.
6403
6404 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
6405
6406         PR target/20276
6407         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
6408         (reg_or_sub_cint64_operand): Same.
6409
6410 2005-03-02  Jeff Law  <law@redhat.com>
6411
6412         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
6413         CFG_ALTERED in the main DOM iteration loop.
6414
6415 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
6416
6417         PR c++/19916
6418         * varasm.c (initializer_constant_valid_p): Allow conversions
6419         between OFFSET_TYPEs.  Tidy.
6420
6421 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
6422
6423         * config/cris/cris.md ("return"): Remove epilogue delay list
6424         sanity check.
6425
6426 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
6427
6428         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
6429         for Thumb.
6430         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
6431
6432 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
6433
6434         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
6435         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
6436         config/m68k/m68k.c, config/mips/mips.h,
6437         config/rs6000/rs6000-protos.h, doc/contrib.texi,
6438         doc/include/gcc-common.texi: Update copyright.
6439
6440         PR middle-end/18029 and PR middle-end/18030
6441         * expr.c (optimize_bitfield_assignment_op): Add a special case
6442         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
6443
6444         * fold-const.c (fold_unary): New.
6445         (fold): Call fold_unary on unary expressions.
6446
6447 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
6448
6449         * cgraph.h (struct cgraph_edge): Add prev_caller and
6450         prev_callee fields.
6451         (cgraph_node_remove_callees): Export.
6452         * cgraph.c (cgraph_create_edge): Initialize prev_caller
6453         and prev_callee.
6454         (cgraph_edge_remove_callee): New function.
6455         (cgraph_edge_remove_caller): Likewise.
6456         (cgraph_remove_edge): Use.
6457         (cgraph_redirect_edge_callee): Likewise.
6458         (cgraph_node_remove_callees): New function.
6459         (cgraph_node_remove_callers): Likewise.
6460         (cgraph_remove_node): Use.
6461         * tree-optimize.c (tree_rest_of_compilation): Use
6462         cgraph_node_remove_callees instead of manual loop.
6463         * cgraphunit.c (cgraph_finalize_function): Likewise.
6464         (cgraph_expand_function): Likewise.
6465         (cgraph_remove_unreachable_nodes): Likewise.
6466
6467 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
6468
6469         PR c/8927
6470         * c-tree.h (undeclared_variable, build_external_ref): Add extra
6471         argument.
6472         * c-decl.c (undeclared_variable): Take location as argument.
6473         * c-typeck.c (build_external_ref): Likewise.
6474         * c-parser.c (c_parser_postfix_expression): Pass location of
6475         identifier to build_external_ref.
6476
6477 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
6478
6479         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
6480         CCEQ mode for branch_positive_comparison_operator test.
6481         * config/rs6000/predicates (branch_comparison_operator): Revert to
6482         define_predicate.
6483         (scc_comparison_operator): Same.
6484         (branch_positive_comparison_operator): Same.
6485
6486 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
6487
6488         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
6489         (cris_delay_slots_for_epilogue): Remove.
6490         (save_last): Move into cris_target_asm_function_epilogue.
6491         (cris_target_asm_function_epilogue): Remove tests for file being
6492         NULL.
6493         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
6494         (cris_delay_slots_for_epilogue): Remove prototypes.
6495         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
6496         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
6497
6498 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
6499
6500         * config/rs6000/predicates.md (branch_comparison_operator): Change
6501         to define_special_predicate.
6502         (scc_comparison_operator): Same.
6503         (branch_positive_comparison_operator): Same.
6504
6505 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
6506
6507         * Makefile.in (tree-ssa-sink.o): New.
6508         (OBJS-common): Add tree-ssa-sink.o.
6509         * common.opt: Add -ftree-sink
6510         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
6511         * timevar.def (TV_TREE_SINK): new timevar.
6512         * tree-flow.h (is_hidden_global_store): Prototype.
6513         * tree-optimize.c (init_tree_optimization_passes): Add
6514         pass_sink_code.
6515         * tree-pass.h (pass_sink_code): New.
6516         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
6517         for non-obvious global store store to is_hidden_global_store, and
6518         call that new function.
6519         * tree-ssa-sink.c: New file.
6520         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
6521         * doc/passes.texi: Document forward store motion.
6522         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
6523         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
6524         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
6525         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
6526
6527 2005-03-01  Per Bothner  <per@bothner.com>
6528
6529         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
6530         and we have a non-zero column-number, add it to the message.
6531         Also factor out the diagnostic_kind_text.
6532
6533 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
6534
6535         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
6536         flow_loop_pre_header_scan, flow_loop_pre_header_find,
6537         flow_loop_scan): Removed.
6538         (flow_loop_dump): Do not dump removed fields.
6539         (flow_loop_free): Do not free removed fields.
6540         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
6541         (loop_exit_edge_p): New function.
6542         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
6543         num_pre_header_edges, entry_edges, num_entries, exit_edges,
6544         num_exits, exits_doms.
6545         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
6546         LOOP_EDGES, LOOP_ALL): Removed.
6547         (flow_loop_scan): Declaration removed.
6548         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
6549         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
6550         flow_loops_find.
6551         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
6552         (if_convert): Call flow_loops_find and flow_loops_free
6553         when calling mark_loop_exit_edges.
6554         * cfgloopanal.c (mark_loop_exit_edges): Moved from
6555         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
6556         free_dominance_info calls.
6557         * loop-init.c (flow_loops_find): Ditto.
6558         * passes.c (rest_of_handle_branch_prob): Ditto.
6559         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
6560         * loop-unroll.c (analyze_insns_in_loop): Do not use
6561         EDGE_LOOP_EXIT.
6562         * predict.c (predict_loops): Do not call flow_loop_scan.
6563         Use get_loop_exit_edges.
6564         (tree_estimate_probability): Do not pass flags to flow_loops_find.
6565         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
6566         Do not use EDGE_LOOP_EXIT.
6567         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
6568         to bb_with_exit_edge_p.
6569         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
6570         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
6571         to bb_with_exit_edge_p.
6572         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
6573         EDGE_LOOP_EXIT.
6574         * tree-loop-linear.c (linear_transform_loops): Do not call
6575         flow_loop_scan.  Use loop->single_exit.
6576         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
6577         (vect_analyze_loop_form): Do not call flow_loop_scan.
6578         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
6579         loop->single_exit.
6580         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
6581         loop->single_exit.
6582         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
6583         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
6584         slpeel_tree_duplicate_loop_to_edge_cfg,
6585         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
6586         Use loop_preheader_edge and loop->single_exit.  Do not call
6587         flow_loop_scan.
6588
6589 2005-03-01  Nick Clifton  <nickc@redhat.com>
6590
6591         * config/arm/arm.c (thumb_find_work_register): Check all of the
6592         argument registers to see if they are free, and a couple of
6593         special cases where the last argument register but can be proved
6594         to be available during the function's prologue.
6595         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
6596         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
6597         thumb_unexpanded_epilogue): Use unsigned long as the type for the
6598         register bit-mask.
6599         (thumb_compute_save_reg_mask): Likewise.  Also use
6600         thumb_find_work_register() to ensure that there is agreement about
6601         which work register is going to be used in the prologue.
6602         (thumb_output_function_prologue): Use unsigned long as the type
6603         for the register bit-mask.  Also delay pushing the link register if
6604         other high registers are going to be pushed.
6605         (thumb_compute_save_reg_mask, emit_multi_reg_push,
6606         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
6607         redundant prototypes.
6608
6609 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
6610
6611         PR target/19819
6612         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
6613         and after reload in REG+REG indexed addresses without REG_POINTER
6614         set in the base and not set in the index.
6615
6616 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
6617
6618         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
6619         Don't undefine here.
6620         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
6621         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
6622         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
6623         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
6624         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
6625         Delete.
6626         * config.gcc (sh*-*-linux*): Use config/linux.h.
6627
6628 2005-02-28  Dale Johannesen  <dalej@apple.com>
6629             Stan Shebs  <shebs@apple.com>
6630
6631         Rewrite of 64-bit Darwin structure-by-value pass/return.
6632         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
6633         intoffset, use_stack, named.
6634         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
6635         (rs6000_darwin64_record_arg_advance_flush):  New.
6636         (rs6000_darwin64_record_arg_advance_recurse): New.
6637         (rs6000_darwin64_record_arg_flush):  New.
6638         (rs6000_darwin64_record_arg_recurse):  New.
6639         (rs6000_darwin64_record_arg):  New.
6640         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
6641         (function_arg_boundary):  Handle 128-bit aligned structs.
6642         (function_arg_advance):  Rewrite darwin64 struct handling.
6643         (function_arg):  Call rs6000_darwin64_record_arg.
6644         (function_arg_partial_nregs):  Handle darwin64 structs.
6645         (rs6000_darwin64_function_value):  Remove.
6646         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
6647
6648 2005-02-28  Roger Sayle  <roger@eyesopen.com>
6649
6650         PR tree-optimization/20216
6651         * tree-chrec.c (tree_fold_factorial): Delete.
6652         (tree_fold_binomial): Change argument list to take a return type
6653         and change the type of K to unsigned int.  Rewrite to avoid explicit
6654         evaluation of factorials, and (recursively) calling fold to perform
6655         compile-time arithmetic.  Return NULL on (internal) overflow.
6656         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
6657         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
6658         if any intermediate calculation overflows.
6659         (chrec_apply): Update call to chrec_evaluate.
6660
6661 2005-02-28  James E Wilson  <wilson@specifixinc.com>
6662
6663         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
6664
6665 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
6666
6667         PR c/20245
6668         * c-parser.c (c_parser_compound_statement): Return error_mark_node
6669         instead of NULL_TREE on error.
6670
6671 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
6672
6673         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
6674         (EASY_VECTOR_15_ADD_SELF): Remove.
6675         (num_insns_constant_wide): Not static.
6676         (validate_condition_mode): Not static.
6677         (toc_relative_expr_p): Not static.
6678         (legitimate_indirect_address_p): Not static.
6679         (macho_lo_sum_memory_operand): Not static.
6680         (invalid_e500_subreg): Not static.
6681         (easy_vector_same): Not static.
6682         (easy_vector_splat_const): Not static.
6683         (RS6000_SYMBOL_REF_TLS_P): Remove.
6684         (any_operand): Delete.
6685         (any_parallel_operand): Delete.
6686         (count_register_operand): Delete.
6687         (altivec_register_operand): Delete.
6688         (xer_operand): Delete.
6689         (s8bit_cint_operand): Delete.
6690         (short_cint_operand): Delete.
6691         (u_short_cint_operand): Delete.
6692         (non_short_cint_operand): Delete.
6693         (exact_log2_cint_operand): Delete.
6694         (gpc_reg_operand): Delete.
6695         (cc_reg_operand): Delete.
6696         (cc_reg_not_cr0_operand): Delete.
6697         (reg_or_short_operand): Delete.
6698         (reg_or_neg_short_operand): Delete.
6699         (reg_or_aligned_short_operand): Delete.
6700         (reg_or_u_short_operand): Delete.
6701         (reg_or_cint_operand): Delete.
6702         (reg_or_arith_cint_operand): Delete.
6703         (reg_or_add_cint64_operand): Delete.
6704         (reg_or_sub_cint64_operand): Delete.
6705         (reg_or_logical_cint_operand): Delete.
6706         (got_operand): Delete.
6707         (got_no_const_operand): Delete.
6708         (easy_fp_constant): Delete.
6709         (easy_vector_constant): Delete.
6710         (easy_vector_constant_add_self): Delete.
6711         (zero_constant): Delete.
6712         (zero_fp_constant): Delete.
6713         (volatile_mem_operand): Delete.
6714         (offsettable_mem_operand): Delete.
6715         (mem_or_easy_const_operand): Delete.
6716         (add_operand): Delete.
6717         (non_add_cint_operand): Delete.
6718         (logical_operand): Delete.
6719         (non_logical_cint_operand): Delete.
6720         (mask_operand): Delete.
6721         (mask_operand_wrap): Delete.
6722         (mask64_operand): Delete.
6723         (mask64_2_operand): Delete.
6724         (and64_operand): Delete.
6725         (and64_2_operand): Delete.
6726         (and_operand): Delete.
6727         (reg_or_mem_operand): Delete.
6728         (lwa_operand): Delete.
6729         (symbol_ref_operand): Delete.
6730         (call_operand): Delete.
6731         (current_file_function_operand): Delete.
6732         (input_operand): Delete.
6733         (rs6000_nonimmediate_operand): Delete.
6734         (rs6000_tls_symbol_ref): Delete.
6735         (save_world_operation): Delete.
6736         (restore_world_operation): Delete.
6737         (load_multiple_operation): Delete.
6738         (store_multiple_operation): Delete.
6739         (vrsave_operation): Delete.
6740         (mfcr_operation): Delete.
6741         (mtcrf_operation): Delete.
6742         (lmw_operation): Delete.
6743         (stmw_operation): Delete.
6744         (branch_comparison_operator): Delete.
6745         (branch_positive_comparison_operator): Delete.
6746         (scc_comparison_operator): Delete.
6747         (trap_comparison_operator): Delete.
6748         (boolean_operator): Delete.
6749         (boolean_or_operator): Delete.
6750         (min_max_operator): Delete.
6751         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
6752         (EASY_VECTOR_15): Moved to here.
6753         (EASY_VECTOR_15_ADD_SELF): Move to here.
6754         (PREDICATE_CODES): Delete.
6755         * config/rs6000/rs6000-protos.h: Delete predicate functions.
6756         Declare functions no longer static.
6757         * config/rs6000/predicates.md: New.
6758         * config/rs6000/rs6000.md: Include predicates.md
6759
6760 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
6761
6762         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
6763         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
6764         REG_ALWAYS_RETURN.
6765         * cfgrtl.c (need_fake_edge_p): Likewise.
6766         * combine.c (distribute_notes): Likewise.
6767         * emit-rtl.c (try_split): Likewise.
6768         * recog.c (peephole2_opimize): Likewise.
6769         * reg-notes.def (ALWAYS_RETURN): Remove.
6770         * rtl.h (LCT_ALWAYS_RETURN): Remove.
6771         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
6772         * tree.h (ECF_ALWAYS_RETURN): Remove.
6773
6774 2005-02-28  Roger Sayle  <roger@eyesopen.com>
6775
6776         PR middle-end/19874
6777         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
6778         between different machine modes is never a "useless" conversion.
6779
6780 2005-02-28  Geert Bosch  <bosch@gnat.com>
6781
6782         PR ada/15977
6783         * doc/contrib.texi: List contributors for Ada front end
6784
6785 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
6786
6787         * simplify-rtx.c (simplify_unary_operation_1,
6788         simplify_const_unary_operation): New, extracted from...
6789         (simplify_unary_operation): ... this one.
6790         (simplify_binary_operation_1,
6791         simplify_const_binary_operation): New, extracted from...
6792         (simplify_binary_operation): ... this one.
6793         * rtl.h (simplify_const_unary_operation,
6794         simplify_const_binary_operation): Add prototypes.
6795
6796 2005-02-28  Julian Brown  <julian@codesourcery.com>
6797
6798         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
6799         building libjava and caused PR regression/20228.
6800
6801 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
6802
6803         PR bootstrap/17383
6804         * Makefile.in (host_subdir): New.
6805         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
6806         * configure: Regenerate.
6807
6808 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
6809
6810         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
6811         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
6812         installation directory first.
6813
6814 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
6815
6816         PR target/19065.
6817         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
6818         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
6819         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
6820         * config/cris/cris.md: Tweak comments referring to Q.
6821         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
6822         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
6823         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
6824         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
6825         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
6826         Insert spaces in constraints to align alternatives vertically for
6827         readability.
6828         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
6829         operand 1: "M".
6830
6831 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6832
6833         PR rtl-optimization/17728
6834         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
6835         operand 0 from general_operand to move_dest_operand.
6836
6837 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6838
6839         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
6840         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
6841         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
6842         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
6843
6844 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
6845
6846         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
6847         * configure: Regenerate.
6848         * libada-mk.in: Remove CC; rename
6849         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
6850
6851 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
6852
6853         PR tree-opt/20188
6854         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
6855         for the lhs, also walk over the tree.  Likewise for rhs.
6856
6857 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
6858
6859         * tree-ssa-dom.c (simple_iv_increment_p): New function.
6860         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
6861         Do not propagate value of iv before increment over the increment.
6862
6863 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
6864
6865         * c-parser.c: New file.
6866         * c-parse.in: Remove.
6867         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
6868         Remove.
6869         (c-parser.o): Add dependencies.
6870         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
6871         maintainer-clean, TAGS): Update.
6872         * c-config-lang.in (gtfiles): Update.
6873         * gengtype-lex.l: Don't handle "@@".
6874         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
6875         objc_build_synchronized, objc_begin_try_stmt,
6876         objc_begin_catch_clause, objc_finish_catch_clause,
6877         objc_build_finally_clause, objc_finish_try_stmt): New.
6878         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
6879         type_seen_p.
6880         (c_parse_init): Update comment.
6881         * c-decl.c (c_init_decl_processing): Update comment.
6882         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
6883         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
6884         new c_declspecs members.
6885
6886 2005-02-25  Julian Brown  <julian@codesourcery.com>
6887
6888         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
6889         from being used for symbols with vague linkage when
6890         HAVE_GAS_COMDAT_GROUP is true.
6891
6892 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
6893
6894         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
6895
6896 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
6897
6898         PR target/19930
6899         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
6900         (LIBGCC2_HAS_DF_MODE): New.
6901         (LIBGCC2_HAS_XF_MODE): New.
6902         (LIBGCC2_HAS_TF_MODE): New.
6903         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
6904         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
6905         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
6906         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
6907         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
6908         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
6909         and add _fixtfdi, _fixunstfdi, _floatditf
6910         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
6911         L_fixunstfdi, L_floatditf.
6912         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
6913         (LIBGCC2_HAS_TF_MODE): Define.
6914
6915 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
6916
6917         PR tree-optimization/20204
6918         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
6919         REWRITE_THIS_STMT markers on PHI nodes.
6920         (rewrite_initialize_block): Likewise.
6921
6922 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
6923
6924         * version.c (version_string): Update to 4.1.
6925
6926 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
6927
6928         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
6929         Clarify that the alternative way doesn't work in GNU C++.
6930
6931 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
6932
6933         PR tree-optimization/19937
6934         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
6935         to the type of the induction variable.
6936
6937 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
6938
6939         PR rtl-optimization/20117
6940         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
6941         the block including noncopyable insn.
6942
6943 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
6944
6945         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
6946         calls to find_reg_note.
6947
6948 2005-02-24  Richard Henderson  <rth@redhat.com>
6949
6950         PR tree-opt/20127
6951         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
6952         the type.
6953
6954 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
6955
6956         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
6957         vector types if to use base reg for misaligned non-word ld/std.
6958
6959 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
6960
6961         PR target/14619
6962         * config/cris/cris.c (cris_target_asm_function_prologue): Create
6963         dwarf2 label manually and put it after, not before the prologue.
6964
6965 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
6966
6967         PR target/19019
6968         * reload.c (operands_match_p): Only increment register number for
6969         SCALAR_INT_MODE_P modes in multiple hard registers.
6970
6971         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
6972         Fix formatting.
6973
6974 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
6975
6976         * ChangeLog.5: Fix log message typo(s).
6977         * ChangeLog.7: Likewise.
6978         * ChangeLog.tree-ssa: Likewise.
6979         * cfgexpand.c: Fix comment typo(s).
6980         * conflict.c: Likewise.
6981         * defaults.h: Likewise.
6982         * dwarf2out.c: Likewise.
6983         * gcse.c: Likewise.
6984         * ggc-page.c: Likewise.
6985         * tree-eh.c: Likewise.
6986         * tree-ssa-dom.c: Likewise.
6987
6988 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
6989
6990         PR target/19019
6991         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
6992         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
6993         if SHARED is defined.
6994
6995         PR target/20196
6996         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
6997         allow splitting only if operands 0 and 3 don't overlap.
6998
6999 2005-02-24  Richard Henderson  <rth@redhat.com>
7000
7001         PR middle-end/19953
7002         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
7003         (fold_builtin_1): Call them.
7004         * fold-const.c (fold_complex_mult_parts): Split out from ...
7005         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
7006         (fold_complex_div_parts, fold_complex_div): New.
7007         (fold): Use them.
7008         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
7009
7010 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7011
7012         * tree-ssa-ccp.c (visit_assignment): Verify that result of
7013         VIEW_CONVERT_EXPR is_gimple_min_invariant.
7014
7015         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
7016         (print_node): Likewise.
7017         Print TYPE_SIZES_GIMPLIFIED.
7018
7019 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
7020
7021         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
7022         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
7023         operands as commutative in constraints.
7024
7025 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
7026
7027         * tree-into-ssa.c: Re-organize internal functions.
7028
7029 2005-02-24  Richard Henderson  <rth@redhat.com>
7030
7031         PR middle-end/18902
7032         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
7033         for c99.
7034         * common.opt (fcx-limited-range): New.
7035         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
7036         * toplev.c (flag_complex_method): Initialize to 1.
7037         (process_options): Set flag_complex_method to 0 if
7038         flag_cx_limited_range.
7039         * doc/invoke.texi (-fcx-limited-range): New.
7040
7041 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
7042
7043         * cse.c (delete_trivially_dead_insns): Speed up by using
7044         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
7045         prev_real_insn.
7046
7047 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
7048
7049         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
7050         functions when -mid-shared-library is being used.
7051
7052 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
7053
7054         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
7055         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
7056         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
7057         * system.h: Poison LINK_LIBGCC_SPECIAL.
7058
7059 2005-02-23  James E Wilson  <wilson@specifixinc.com>
7060
7061         * gengtype.c (note_insn_name): Make 1 element larger.
7062
7063 2005-02-23  Roger Sayle  <roger@eyesopen.com>
7064
7065         PR target/20018
7066         PR rtl-optimization/20097
7067         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
7068         BImode SUBREGs of SImode registers which confuse the ia64 backend.
7069
7070 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
7071
7072         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
7073         * t-aix52 (SHLIB_INSTALL): Same.
7074
7075 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
7076
7077         * genpreds.c: Update copyright.
7078
7079 2005-02-23  Michael Beach  <michaelb@ieee.org>
7080
7081         PR target/20159
7082         * config/sparc/t-elf (startup files): Assemble with CPP.
7083
7084 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
7085
7086         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
7087         (write_predicate_expr): Likewise.
7088
7089 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
7090
7091         PR tree-optimization/20100
7092         PR tree-optimization/20115
7093         * tree-optimize.c (init_tree_optimization_passes): Remove
7094         pass_maybe_create_global_var.
7095         * tree-pass.h (pass_maybe_create_global_var): Remove.
7096         * tree-ssa-alias.c (aliases_computed_p): Declare.
7097         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
7098         (count_calls_and_maybe_create_global_var): Remove.
7099         (pass_maybe_create_global_var): Remove.
7100         (init_alias_info): Do not declare aliases_computed_p.
7101         (maybe_create_global_var): If the function contains no
7102         call-clobbered variables and a mix of pure/const and regular
7103         function calls, create .GLOBAL_VAR.
7104         Mark all call-clobbered variables for renaming.
7105         (merge_pointed_to_info): Update comment.
7106         (add_pointed_to_var): Likewise.
7107         (is_escape_site): Likewise.
7108         Accept struct alias_info * instead of size_t *.
7109         Update all users.
7110         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
7111         as necessary.
7112         * tree-ssa-operands.c (get_call_expr_operands): If
7113         ALIASES_COMPUTED_P is false, do not add call-clobbering
7114         operands.
7115         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
7116         (delete_tree_ssa): Likewise.
7117
7118 2005-02-22  James E Wilson  <wilson@specifixinc.com>
7119
7120         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
7121         (do_compile): Do call it here.
7122
7123 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
7124
7125         PR rtl-optimization/20017.
7126         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
7127         rest_of_handle_cse2, rest_of_handle_gcse): Call
7128         delete_dead_jumptables immediately before calling cleanup_cfg.
7129
7130 2005-02-22  Devang Patel  <dpatel@apple.com>
7131
7132         PR 19952
7133         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
7134         all labels
7135
7136 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
7137
7138         * config/rs6000/aix.h (WINT_TYPE): Define.
7139
7140 2005-02-22  Stan Shebs  <shebs@apple.com>
7141
7142         * config/rs6000/rs6000.c (rs6000_override_options): Default to
7143         natural alignment for 64-bit Darwin.
7144         (rs6000_parse_alignment_option): Warn about uses of -malign-power
7145         on 64-bit Darwin.
7146         * doc/invoke.texi: Document this.
7147
7148 2005-02-22  DJ Delorie  <dj@redhat.com>
7149
7150         * c-common.c (c_common_type_for_mode): Pass the mode's precision
7151         to make_[un]signed_type, not the mode itself.
7152
7153 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
7154
7155         * cfg.c (cached_make_edge): Call make_edge if edge cache is
7156         not available.  Use tail calls wherever possible.
7157         (make_edge): Call unchecked_make_edge to create an edge.
7158
7159         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
7160         (coalesce_ssa_name): Don't check for
7161         SSANORM_USE_COALESCE_LIST.
7162         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
7163
7164 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
7165
7166         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
7167         (rewrite_into_ssa): ... here.
7168
7169 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
7170
7171         PR tree-optimization/19786
7172         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
7173         tag to another's may-alias bitmap when adding to the other's list.
7174
7175 2005-02-21  DJ Delorie  <dj@redhat.com>
7176
7177         * tree-ssa-loop-ivopts.c (computation_cost): Start register
7178         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
7179         registers in unsupported ways.
7180         * expmed.c (init_expmed): Likewise.
7181
7182 2005-02-21  Stan Cox  <scox@redhat.com>
7183
7184         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
7185
7186 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
7187
7188         * tree-cfg.c (fold_cond_expr_cond): New.
7189         (make_edges): Call fold_cond_expr_cond.
7190         (find_taken_edge): Accept nothing but INTEGER_CST.
7191         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
7192         and 1.
7193         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
7194
7195         * flow.c (delete_dead_jumptables): Speed up by scanning insns
7196         that do not belong to any basic block.
7197
7198 2005-02-21  Jeff Law  <law@redhat.com>
7199
7200         * cfganal.c (find_unreachable_blocks): Manually CSE load of
7201         e->dest.
7202
7203 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
7204
7205         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
7206         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
7207         Adjust their definitions.
7208         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
7209         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
7210
7211         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
7212         genautomata.c, langhooks.c, langhooks.h, system.h,
7213         config/arm/lib1funcs.asm: Update copyright.
7214
7215 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
7216
7217         * dbxout.c (dbxout_function_end): Emit Lscope label always.
7218
7219 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
7220
7221         PR bootstrap/13770
7222         * doc/install.texi: Document --with-gc.
7223
7224 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
7225
7226         * simplify-rtx.c (simplify_unary_operation): Add a missing
7227         "break" statement.
7228
7229 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
7230
7231         PR tree-optimization/18663
7232         * tree-ssa-dom.c (extract_range_from_cond): Return 0
7233         if the type has variable bounds.
7234
7235 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
7236
7237         * gcse.c: Remove an obsolete comment.
7238
7239         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
7240
7241 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
7242
7243         * doc/extend.texi (Function Attributes) <Attribute const>: The
7244         attribute "pure" is below this text, not above.
7245
7246 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7247
7248         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
7249         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
7250         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
7251
7252 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
7253
7254         PR 18785
7255         * langhooks.h (struct lang_hooks): Add to_target_charset.
7256         * langhooks.c (lhd_to_target_charset): New function.
7257         * langhooks-def.h: Declare lhd_to_target_charset.
7258         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
7259         (LANG_HOOKS_INITIALIZER): Update.
7260         * c-common.c (c_common_to_target_charset): New function.
7261         * c-common.h: Declare it.
7262         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
7263         c_common_to_target_charset.
7264
7265         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
7266         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
7267         Delete definitions.
7268         * system.h: Poison them.
7269         * doc/tm.texi: Don't discuss them.
7270         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
7271         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
7272         (pp_c_char): Do not attempt to generate letter escapes for
7273         newline, tab, etc.
7274         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
7275         * config/mips/mips.c (mips_output_ascii): Likewise.
7276
7277 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
7278
7279         PR tree-optimization/19951
7280         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
7281         is abnormal.
7282
7283 2005-02-19  Steven Bosscher  <stevenb@suse.de>
7284
7285         PR middle-end/19698
7286         * function.h (struct function): New field `max_loop_depth'.
7287         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
7288         (flow_loops_find): Reset the max loop depth count before finding loops.
7289         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
7290         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
7291         (calculate_global_regs_live): Make sure the loop will terminate
7292         when the initial sets are not empty.
7293
7294 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
7295
7296         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
7297         object inside.
7298         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
7299
7300 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
7301
7302         PR other/19525
7303         * doc/invoke.texi: Remove documentation of %M spec.
7304         * gcc.c: Likewise.
7305         (init_spec): Remove %M suffix from -lgcc_s.
7306         (do_spec_1): Remove 'M' case.
7307         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
7308         to put shared libraries in the multilib directory.  Remove the
7309         shlib_so_soname substitution variable.  Don't add a multilib encoding
7310         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
7311         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
7312         SHLIB_INSTALL as well as SHLIB_LINK.
7313         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
7314         (SHLIB_NAME): Delete.
7315         (SHLIB_DIR): New macro.
7316         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
7317         (SHLIB_INSTALL): Adjust accordingly.
7318         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
7319         * config/t-slibgcc-sld: Likewise.
7320         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
7321         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
7322         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
7323         in $(SHLIB_DIR).
7324         (SHLIBUNWIND_INSTALL): Adjust accordingly.
7325         * config/i386/t-nwld (SHLIB_SONAME): Delete.
7326         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
7327         Use @shlib_base_name@ instead of @shlib_so_name@.
7328         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
7329         and @shlib_base_name@.so in @multilib_dir@.
7330         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
7331         to the install path.
7332         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
7333         (SHLIB_LINK): Remove previous workaround.
7334         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
7335         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
7336         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
7337         the install path.
7338         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
7339         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
7340         (SHLIB_INSTALL): Adjust accordingly.
7341         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
7342         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
7343         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
7344         config/t-slibgcc-elf-ver.
7345
7346 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
7347             Jakub Jelinek  <jakub@redhat.com>
7348
7349         PR tree-optimization/19828
7350         * tree-ssa-loop-im.c: Add a TODO comment.
7351         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
7352         without side-effects.
7353
7354 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
7355
7356         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
7357         call fold_convert.
7358
7359 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
7360
7361         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
7362         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
7363         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
7364         functions.
7365         (ia64_reorg): Delete fixup_errata call.
7366         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
7367         (TARGET_SWITCHES): Delete -mb-step entry.
7368
7369 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
7370
7371         PR c/20043
7372         * c-typeck.c (composite_type): Handle quals in transparent unions.
7373         (type_lists_compatible_p): Likewise.
7374
7375 2005-02-18  Stan Shebs  <shebs@apple.com>
7376
7377         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
7378         expressions in the .literal8 section.
7379
7380 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
7381
7382         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
7383
7384 2005-02-18  Roger Sayle  <roger@eyesopen.com>
7385
7386         * fold-const.c (constant_boolean_node): Always create values of the
7387         specified type, don't bother calling truthvalue_conversion.
7388
7389 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
7390
7391         * except.c (output_function_exception_table): Call
7392         assemble_external_libcall (eh_personality_libfunc).
7393
7394 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
7395
7396         PR target/19886
7397         * config/ia64/ia64.h (struct machine_function): Add state_num.
7398         * config/ia64/ia64.c (process_epilogue,
7399         process_for_unwind_directive): Use new unwind state numbers each
7400         time rather than state 1.
7401
7402 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
7403
7404         PR target/20054
7405         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
7406         before the "*llgt_didi" pattern.
7407
7408 2005-02-18  Jason Merrill  <jason@redhat.com>
7409
7410         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
7411
7412 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
7413
7414         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
7415         (div0): Use it in place of ARM_FUNC_ALIAS.
7416         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
7417
7418 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
7419
7420         PR middle-end/20030
7421         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
7422         access, the lower bound of the array type if it exists.
7423
7424 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
7425
7426         PR c++/20008
7427         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
7428         cases that are out-of-range for the index type.
7429
7430 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
7431
7432         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
7433         (estimate_case_costs): Don't call convert.
7434         * expmed.c (expand_shift): Likewise.
7435         (make_tree): Call fold_convert instead of convert.
7436
7437 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
7438
7439         PR c++/19813
7440         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
7441         that ref to be marked MEM_READONLY_P doesn't have base that needs
7442         constructing.
7443
7444 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
7445
7446         * genautomata.c (output_get_cpu_unit_code_func,
7447         output_cpu_unit_reservation_p): Don't generate old-style function
7448         definitions.
7449
7450 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
7451
7452         PR c++/20023
7453         PR tree-optimization/20009
7454         * convert.c (convert_to_integer): Revert 2005-02-16 change.
7455
7456         PR tree-optimization/18947
7457         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
7458         inline, remove all nodes that are inlined into the extern inline
7459         being redefined.
7460
7461 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
7462
7463         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
7464         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
7465         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
7466         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
7467         Update copyright.
7468
7469 2005-02-17  Roger Sayle  <roger@eyesopen.com>
7470
7471         PR tree-optimization/19917
7472         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
7473         to be potentially trapping.
7474
7475 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
7476
7477         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
7478
7479 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7480
7481         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
7482         tem becomes a local variable which is set to the value of the
7483         back end defined INITIAL_FRAME_ADDRESS macro.
7484         (expand_builtin_frame_address): Omit the base parameter to
7485         expand_builtin_return_addr.
7486         (expand_builtin_profile_func): Likewise.
7487         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
7488         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
7489         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
7490
7491 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
7492
7493         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
7494         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
7495         * config/frv/frv.c (frv_function_epilogue): Likewise.
7496
7497 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
7498
7499         * lambda-code (perfect_nestify): Remove mark/unmark
7500         for rewriting hack.
7501         * tree-loop-linear.c (linear_transform_loops): Add
7502         rewrite_into_ssa call so that ssa is correct for
7503         rewriting into loop closed.
7504
7505 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
7506
7507         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
7508         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
7509         BITMAP_FREE.
7510         * bt-load.c (btr_def_live_range, combine_btr_defs,
7511         migrate_btr_def, migrate_btr_defs): Likewise.
7512         * cfgcleanup.c (thread_jump): Likewise.
7513         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
7514         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
7515         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
7516         df_rd_local_compute, df_reg_info_compute): Likewise.
7517         * dominance.c (init_dom_info, free_dom_info): Likewise.
7518         * flow.c (init_propagate_block_info,
7519         free_propagate_block_info): Likewise.
7520         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
7521         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
7522         modify_reg_pav): Likewise.
7523         * loop-invariant.c (find_defs, find_invariant_insn,
7524         find_invariants, free_inv_motion_data): Likewise.
7525         * predict.c (tree_predict_by_opcode,
7526         estimate_bb_frequencies): Likewise.
7527         * stmt.c (expand_case): Likewise.
7528         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
7529         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
7530         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
7531         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
7532         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
7533         rewrite_ssa_into_ssa): Likewise.
7534         * tree-optimize.c (tree_rest_of_compilation): Likewise.
7535         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
7536         analyze_edges_for_bb, perform_edge_inserts): Likewise.
7537         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
7538         * tree-sra.c (tree_sra): Likewise.
7539         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
7540         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
7541         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
7542         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
7543         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
7544         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
7545         Likewise.
7546         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
7547         calculate_live_on_entry, calculate_live_on_exit,
7548         build_tree_conflict_graph): Likewise.
7549         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
7550         record_important_candidates, set_use_iv_cost, find_depends,
7551         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
7552         tree_ssa_iv_optimize_finalize): Likewise.
7553         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
7554         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
7555         tree_duplicate_loop_to_header_edge): Likewise.
7556         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
7557         * tree-ssa.c (verify_flow_insensitive_alias_info,
7558         verify_name_tags, verify_ssa, init_tree_ssa,
7559         delete_tree_ssa): Likewise.
7560         * tree-ssanames.c (marked_ssa_names, init_ssanames,
7561         fini_ssanames): Likewise.
7562         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
7563
7564 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
7565
7566         * config/rs6000/t-rtems: Completely reworked.
7567
7568 2005-02-17  Ira Rosen  <irar@il.ibm.com>
7569
7570         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
7571
7572 2005-02-17  Ira Rosen  <irar@il.ibm.com>
7573
7574         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
7575         POINTER_TYPE_P when checking that type is a pointer.
7576         (vect_get_memtag): Remove.
7577         (vect_address_analysis): Use POINTER_TYPE_P. Call
7578         vect_object_analysis with dummy parameter for memtag.
7579         (vect_object_analysis): Extract memtag (functionality that
7580         used to be in vect_get_memtag and moved here). Fix printings.
7581         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
7582         with correct parameters. Remove call to vect_get_memtag.
7583
7584 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
7585
7586         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
7587         (tree-vectorizer.o): Added missing dependencies.
7588
7589         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
7590         decleration.
7591         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
7592         declaration in tree-vectorizer.c, now has an extern declaration in
7593         tree-vectorizer.h).
7594         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
7595         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
7596         get_vectype_for_scalar_type, vect_is_simple_use,
7597         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
7598         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
7599         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
7600         vectorizable_store, vectorizable_operation, vectorizable_assignment,
7601         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
7602         find_loop_location): Likewise.
7603
7604         * tree-vectorizer.c (langhooks.h): #include removed.
7605         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
7606         moved to tree-vectorized.h.
7607         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
7608         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
7609         get_vectype_for_scalar_type, vect_is_simple_use,
7610         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
7611         vect_supportable_dr_alignment, new_loop_vec_info,
7612         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
7613         vect_set_verbosity_level, find_loop_location): Likewise.
7614
7615         (vect_analyze_loop): Function externalized. Declaration moved to
7616         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
7617         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
7618         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
7619         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
7620         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
7621         vect_enhance_data_refs_alignment, vect_analyze_operations,
7622         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
7623         vect_stmt_relevant_p, vect_get_loop_niters,
7624         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
7625         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
7626         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
7627         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
7628         vect_get_memtag): Likewise.
7629
7630         (vectorizable_load): Function externalized. Declaration moved to
7631         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
7632         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
7633         vect_transform_loop): Likewise.
7634         (vect_transform_stmt): Moved to tree-vect-transform.c.
7635         (vect_align_data_ref, vect_create_destination_var,
7636         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
7637         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
7638         vect_get_vec_def_for_operand, vect_init_vector,
7639         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
7640         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
7641         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
7642         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
7643         vect_do_peeling_for_loop_bound): Likewise.
7644
7645         * tree-vect-analyze.c: New file.
7646         * tree-vect-transform.c: New file.
7647
7648 2005-02-17  Jason Merrill  <jason@redhat.com>
7649
7650         PR mudflap/19319, c++/19317
7651         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
7652         slot explicit.
7653
7654 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
7655
7656         * doc/install.texi (Specific): Update link for Darwin-specific
7657         tool binary site.
7658
7659 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
7660
7661         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
7662         constant_boolean_node.
7663
7664 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
7665
7666         PR target/19019
7667         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
7668         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
7669
7670 2005-02-16  Richard Henderson  <rth@redhat.com>
7671
7672         PR 19920
7673         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
7674         with W_TYPE_SIZE.
7675         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
7676         replace uses with Wtype_MAXp1_F.
7677         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
7678         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
7679         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
7680         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
7681         and HAVE_TFMODE as appropriate.
7682         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
7683         (__floatdisf): Likewise.
7684         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
7685         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
7686         (Wtype_MAXp1_F): New.
7687         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
7688         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
7689
7690 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
7691
7692         * PR target/19162
7693         * arm.c (arm_apply_result_size): New function.
7694         * arm.h (APPLY_RESULT_SIZE): Define.
7695         * arm-protos.h (arm_apply_result_size): Add prototype.
7696         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
7697         (movxf): New expand.
7698         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
7699         (call_value_symbol): Remove predicate for operand 0.
7700         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
7701         (untyped_call): Rework to correclty return values for any type.
7702         (untyped_return): New expand.
7703         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
7704
7705 2005-02-16  Stan Shebs  <shebs@apple.com>
7706
7707         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
7708         * config/rs6000/t-darwin8: New, for 64-bit multilib.
7709
7710 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
7711
7712         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
7713         configure settings on Solaris 7 and later.
7714
7715 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
7716
7717         PR tree-optimization/19865
7718         * tree-optimize.c (init_tree_optimization_passes): Run
7719         pass_may_alias after pass_sra.
7720
7721 2005-02-16  Richard Henderson  <rth@redhat.com>
7722             Stuart Hastings  <stuart@apple.com>
7723
7724         PR debug/19521
7725         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
7726         Do nothing if debug info suppressed for this function.
7727         (dbxout_begin_function): Early exit if debug info suppressed for
7728         this function.
7729
7730 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
7731
7732         PR target/20007
7733         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
7734         find_basic_blocks.
7735         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
7736
7737         PR tree-optimization/19967
7738         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
7739         expand_builtin_strchr, expand_builtin_strrchr): Take a new
7740         argument TYPE.  Adjust calls to fold_builtin_XXX.
7741         (expand_builtin, fold_builtin_1): Adjust calls to
7742         expand_builtin_XXX.
7743         (fold_builtin_strchr, fold_builtin_strpbrk,
7744         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
7745         result to a requested type TYPE.
7746
7747 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
7748
7749         PR middle-end/19857
7750         * fold-const.c (fold): Don't optimize (T)(x & cst) to
7751         (T)x & (T)cst if (T)cst overflows.
7752         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
7753         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
7754
7755 2005-02-15  Jeff Law  <law@redhat.com>
7756
7757         * gcse.c (blocks_with_calls): New bitmap.
7758         (alloc_gcse_mem): Allocate it.
7759         (free_gcse_mem): Free it.
7760         (clear_modifY_mem_tables): Clear it.
7761         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
7762         when we encounter CALL_INSNs.
7763         (compute_transp, case MEM): Handle blocks with calls separate
7764         from blocks without calls.  Use bitmap iterators rather than
7765         FOR_EACH_BB.
7766
7767 2005-02-15  Peter O'Gorman  <peter@pogma.com>
7768
7769         PR bootstrap/18810
7770         * mklibgcc.in (vis_hide): Use a temporary object file, not
7771         -o /dev/null.
7772
7773 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
7774
7775         PR target/19924
7776         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
7777         access optimization.
7778
7779 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
7780             Alan Modra  <amodra@bigpond.net.au>
7781
7782         PR target/19019
7783         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
7784         (_xlqsub): Rename to __gcc_qsub.
7785         (_xlqmul): Rename to __gcc_qmul.
7786         (_xlqdiv): Rename to __gcc_qdiv.
7787         Provide versioned symbol aliases with old names.
7788         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
7789         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
7790         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
7791         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
7792         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
7793
7794 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
7795
7796         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
7797         Fold ~(A - 1) and ~(A + -1) to -A.
7798
7799 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
7800
7801         PR pch/14940
7802         PR target/19300
7803         * config/host-linux.c (linux_gt_pch_use_address): Copy from
7804         config/pa/pa-host.c:pa_gt_pch_use_address.
7805
7806 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
7807
7808         * tree-vn.c (get_value_handle): Make sure that given an
7809         is_gimple_min_invariant expression, we always return it.
7810
7811 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
7812
7813         * passes.c (rest_of_handle_gcse): Fix a comment.
7814
7815 2005-02-15  Jeff Law  <law@redhat.com>
7816
7817         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
7818         bitmap.
7819         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
7820         (canon_list_insert, record_last_mem_set_info): Similarly.
7821         (clear_modify_mem_tables): Similarly.
7822
7823 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
7824
7825         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
7826         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
7827         config/mips/mips.md, config/rs6000/aix.h,
7828         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
7829
7830 2005-02-15  Richard Henderson  <rth@redhat.com>
7831
7832         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
7833         call to be best_edge.
7834
7835 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
7836
7837         * basic-block.h: Adjust the prototype for find_basic_blocks.
7838         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
7839         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
7840         find_basic_blocks.
7841
7842         * flow.c (recompute_reg_usage): Remove all arguments.
7843         * passes.c (rest_of_compilation): Adjust the call to
7844         recompute_reg_usage.
7845         * rtl.h: Adjust the prototype for recompute_reg_usage.
7846
7847 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
7848
7849         * tree-dump.c (dump_files): Update to reflect new member
7850         of dump_file_info.
7851         (dump_register): Add new argument.
7852         Set glob name.
7853         (dump_switch_p_1): Check against glob name if doglob was passed.
7854         (dump_switch_p): Check against regular first, then glob if
7855         we didn't have any hits on the dump name.
7856         * tree-optimize.c (register_one_dump_file):
7857         Pass in glob name as well.
7858         * tree-pass.h (struct dump_file_info): Add glob
7859         member.
7860
7861 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
7862
7863         PR preprocessor/16323
7864         * doc/invoke.texi: Document that -Wendif-labels is on by default.
7865
7866 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
7867
7868         PR target/19019
7869         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
7870         (trunctfdf2_internal1): New.
7871         (trunctfdf2_internal2): Renamed from trunctfdf2.
7872
7873 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
7874
7875         PR tree-optimization/19853
7876         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
7877
7878 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
7879
7880         * passes.c (rest_of_handle_loop_optimize): Remove calls to
7881         delete_dead_jumptables and cleanup_cfg.
7882
7883 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
7884
7885         * reload.c (find_reloads): Swap address_reloaded flags when
7886         swapping commutative operands.
7887
7888 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
7889
7890         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
7891         Use standard_iv_increment_position for computing the bsi position
7892         for create_iv.
7893         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
7894         the bsi position.
7895
7896 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
7897
7898         PR target/17428
7899         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
7900         life range of hard registers.
7901         * value-prof.c (insn_prefetch_values_to_profile): Only
7902         scan normal insns.
7903
7904         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
7905         profile in libcalls.
7906
7907 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
7908
7909         * bitmap.h (bitmap_and_compl_into): Return bool.
7910         * bitmap.c (bitmap_and_compl_into): Return changed flag.
7911
7912 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
7913
7914         PR tree-optimization/19944
7915         * fold-const.c (fold): Re-add ABS_EXPR folding.
7916
7917 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
7918
7919         PR target/19019
7920         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
7921         {TARGET,MASK}_XL_COMPAT.
7922         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
7923         MASK_XL_COMPAT.
7924         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
7925         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
7926         TARGET_XL_COMPAT.
7927         (rs6000_arg_partial_bytes): Same.
7928         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
7929         and XL compatibility enabled.
7930         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
7931         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
7932         test to final condition.
7933         (cmptf_internal2): New.
7934         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
7935         xl-compat.  Add TFmode information to description.
7936
7937 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
7938
7939         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
7940
7941 2005-02-13  Jason Merrill  <jason@redhat.com>
7942
7943         PR c++/16405
7944         * fold-const.c (fold_indirect_ref_1): Split out from...
7945         (build_fold_indirect_ref): Here.
7946         (fold_indirect_ref): New fn.
7947         * tree.h: Declare it.
7948         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
7949         (gimplify_modify_expr_rhs): Likewise.
7950         (gimplify_expr): Likewise.
7951
7952 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
7953
7954         PR tree-optimization/14303
7955         PR tree-optimization/15784
7956         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
7957         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
7958         ABS_EXPR<x> != 0 to x != 0.
7959
7960 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
7961
7962         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
7963         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
7964         spelling conventions.
7965
7966         * passes.c (rest_of_handle_gcse): Don't run cse_main and
7967         delete_trivially_dead_insns too many times.
7968
7969         * passes.c (rest_of_handle_gcse): Remove dead assignments to
7970         tem and tem2.
7971
7972 2005-02-12  Ira Rosen  <irar@il.ibm.com>
7973
7974         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
7975         (vect_is_simple_iv_evolution): Remove redundant parameter
7976         and step check.
7977         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
7978         without last parameter.
7979         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
7980         Return pointer step. Call vect_is_simple_iv_evolution without
7981         last parameter. Check only that the step is multiple of size
7982         type. Remove stmt_vinfo updates.
7983         (vect_get_memtag_and_dr): Remove.
7984         (vect_get_memtag): New function.
7985         (vect_address_analysis): New function.
7986         (vect_object_analysis): New function.
7987         (vect_analyze_data_refs): Call vect_object_analysis and
7988         vect_get_memtag. Update stmt_vinfo fields.
7989
7990 2005-02-12  Ira Rosen  <irar@il.ibm.com>
7991
7992         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
7993         exist and are objects. Remove checks for pointer.
7994         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
7995         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
7996         (vect_create_data_ref_ptr): Likewise.
7997         (vect_base_addr_differ_p): New function.
7998         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
7999         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
8000         Don't set the DR_BASE_NAME field of data-ref.
8001         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
8002
8003 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
8004
8005         * optabs.h (enum optab_index): Add new OTI_ldexp.
8006         (ldexp_optab): Define corresponding macro.
8007         * optabs.c (init_optabs): Initialize ldexp_optab.
8008         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
8009         patterns.
8010         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
8011         using ldexp_optab.
8012         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
8013         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
8014
8015         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
8016         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
8017         intrinsics.
8018
8019 2005-02-12  Ira Rosen  <irar@il.ibm.com>
8020
8021         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
8022         to base_address.
8023         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
8024         stmt_vec_info.
8025         (vect_get_base_and_offset): Always return an address.
8026         (vect_create_addr_base_for_vector_ref): Remove treatment for
8027         different data reference types.
8028         (vect_compute_data_ref_alignment): Rename base to base_address in
8029         stmt_vec_info. Get the object in order to force its alignment.
8030         (vect_get_memtag_and_dr): Rename base to base_address in
8031         stmt_vec_info. Extract the object for memtag analysis.
8032
8033 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
8034
8035         PR regression/19898.
8036         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
8037         changes cc_status, use apply modified_in_p to part of cc_status
8038         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
8039         body.
8040
8041 2005-02-11  Richard Henderson  <rth@redhat.com>
8042
8043         * tree-complex.c (expand_complex_libcall): New.
8044         (expand_complex_multiplication): Use it for c99 compliance.
8045         (expand_complex_division): Likewise.
8046         * fold-const.c (fold_complex_add, fold_complex_mult): New.
8047         (fold): Call them.
8048         * builtins.c (built_in_names): Remove const.
8049         * tree.c (build_common_builtin_nodes): Build complex arithmetic
8050         builtins.
8051         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
8052         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
8053         (built_in_names): Remove const.
8054         * c-common.c (c_common_type_for_mode): Handle complex modes.
8055         * flags.h, toplev.c (flag_complex_method): Rename from
8056         flag_complex_divide_method.
8057         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
8058         __mulsc3, __muldc3, __mulxc3, __multc3): New.
8059         * libgcc2.h: Declare them.
8060         * libgcc-std.ver: Export them.
8061         * mklibgcc.in (lib2funcs): Build them.
8062
8063 2005-02-11  Steven Bosscher  <stevenb@suse.de>
8064
8065         PR tree-optimization/19876
8066         Partially revert my change from 2005-01-14
8067         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
8068         (compute_antic): ...and remove the loop here.
8069
8070 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
8071
8072         PR middle-end/19858
8073         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
8074         is number of inner's bits, avoid creating a BIT_FIELD_REF.
8075
8076         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
8077         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
8078
8079 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
8080
8081         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
8082         offsets for the big-endian 32-bit case.
8083
8084 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
8085
8086         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
8087
8088 2005-02-11  Dale Johannesen  <dalej@apple.com>
8089
8090         * cselib.c (cselib_process_insn):  Clear out regs where
8091         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
8092         * reload.c (find_equiv_reg): Ditto.
8093
8094 2005-02-11  Ian Lance Taylor  <ian@airs.com>
8095
8096         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
8097         with no elements.
8098
8099         * tree.c (build_function_type_list): Work correctly if there are
8100         no arguments.
8101
8102 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
8103
8104         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
8105         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
8106         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
8107         TARGET_ZARCH instead of TARGET_64BIT.
8108
8109 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
8110
8111         * config/rs6000/t-rtems:
8112         (MULTILIB_OPTIONS): Remove mcpu=602.
8113         (MUTLILIB_DIRNAMES): Remove m602.
8114         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
8115         Let mcpu=602 match mcpu=603.
8116         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
8117
8118 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8119
8120         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
8121         signal trampolines.
8122
8123 2005-02-10  David Daney  <ddaney@avtrex.com>
8124
8125         * config/alpha/linux-unwind.h: Add exception clause to copyright.
8126         * config/i386/linux-unwind.h: Likewise.
8127         * config/ia64/linux-unwind.h: Likewise.
8128         * config/mips/linux-unwind.h: Likewise.
8129         * config/pa/linux-unwind.h: Likewise.
8130         * config/rs6000/linux-unwind.h: Likewise.
8131         * config/s390/linux-unwind.h: Likewise.
8132         * config/sh/linux-unwind.h: Likewise.
8133         * config/sparc/linux-unwind.h: Likewise.
8134
8135 2005-02-10  Steven Bosscher  <stevenb@suse.de>
8136
8137         PR tree-optimization/17549
8138         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
8139         TER to replace a DEF with its expression if the DEF and the
8140         rhs of the expression we replace into have the same root
8141         variable.
8142
8143 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
8144
8145         * config/mips/mips.md: Fix the placement of the match_scratch in the
8146         lea64 peephole2.
8147
8148 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
8149
8150         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
8151         Fix comment typos.
8152
8153 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
8154
8155         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
8156         (strip_offset): Handle addresses.
8157         (add_address_candidates): Use strip_offset.
8158         (difference_cost): Reflect strip_offset change.
8159         (force_var_cost, difference_cost): Strip nops.
8160
8161 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
8162
8163         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
8164
8165         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
8166         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
8167         config/cris/cris-protos.h, config/cris/cris.c: Update
8168         copyright.
8169
8170 2005-02-10  Jeff Law  <law@redhat.com>
8171
8172         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
8173         (lookup_avail_expr): Similarly.
8174
8175 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
8176
8177         * builtins.c (fold_builtin_powi): New function.
8178         (fold_builtin_1): Call it.
8179
8180 2005-02-10  Steven Bosscher  <stevenb@suse.de>
8181
8182         PR documentation/19309
8183         * doc/cpp.texi: The __GNUC__ and related predefined macros
8184         are also defined for the "standalone" cpp.
8185         Some non-GCC compilers may also define __GNUC__.
8186
8187 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
8188
8189         PR c/19342
8190         * c-typeck.c (common_type): New routine.  Old common_type renamed
8191         to...
8192         (c_common_type): ...this.
8193         (build_conditional_expr, build_binary_op): Use c_common_type instead
8194         of common_type.
8195
8196 2005-02-10  Steven Bosscher  <stevenb@suse.de>
8197
8198         * doc/md.texi: Replace @samp{length} with @code{length}.
8199
8200 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
8201
8202         PR tree-optimization/18687
8203         * tree-flow.h (find_loop_niter): Declare.
8204         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
8205         Try using scev even for loops with more than one exit.
8206         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
8207         (struct ivopts_data): Added niters field.
8208         (struct nfe_cache_elt): New.
8209         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
8210         functions.
8211         (tree_ssa_iv_optimize_init): Initialize niters cache.
8212         (determine_number_of_iterations): Removed.
8213         (find_induction_variables): Do not call determine_number_of_iterations.
8214         Access niters for single exit through niter_for_single_dom_exit.
8215         (add_iv_outer_candidates): Access niters for single exit through
8216         niter_for_single_dom_exit.
8217         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
8218         number_of_iterations_cond.
8219         (iv_period): New function.
8220         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
8221         (may_replace_final_value): Take data argument.  Use
8222         niter_for_single_dom_exit.
8223         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
8224         (rewrite_use_compare): Pass data to may_eliminate_iv.
8225         (rewrite_use_outer): Pass data to may_replace_final_value.
8226         (free_loop_data): Clean up the niters cache.
8227         (tree_ssa_iv_optimize_finalize): Free the niters cache.
8228         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
8229         * tree-ssa-loop-niter.c (find_loop_niter): New function.
8230         (find_loop_niter_by_eval): Use tree_int_cst_lt.
8231         (num_ending_zeros): Moved to tree.c.
8232         * tree.h (num_ending_zeros): Declare.
8233         * tree.c (num_ending_zeros): Moved from tree.c.
8234
8235 2005-02-09  Richard Henderson  <rth@redhat.com>
8236
8237         * builtins.c (DEF_BUILTIN): Add COND argument.
8238         * tree.h (DEF_BUILTIN): Likewise.
8239         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
8240         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
8241         match.
8242         (DEF_BUILTIN_STUB): New.
8243         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
8244         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
8245         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
8246         * c-common.c (DEF_BUILTIN): Add COND argument.
8247         * tree.c (local_define_builtin): New.
8248         (build_common_builtin_nodes): New.
8249
8250 2005-02-09  Roger Sayle  <roger@eyesopen.com>
8251
8252         * fold-const.c (fold_strip_sign_ops): New function to simplify a
8253         floating point expression ignoring the sign of the result.
8254         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
8255         (fold) <MULT_EXPR>: Use it to simplify x*x.
8256         * tree.h (fold_strip_sign_ops): Prototype here.
8257         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
8258         argument.  Use fold_strip_sign_ops to simplify the first argument.
8259         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
8260         first argument when the second argument is an even integer
8261         constant, but only with -funsafe_math_optimizations.
8262         (fold_builtin_1): Update call to fold_builtin_copysign.
8263
8264 2005-02-09  Ian Lance Taylor  <ian@airs.com>
8265
8266         PR middle-end/19583
8267         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
8268         just check whether EH_FILTER_FAILURE falls through.
8269
8270 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
8271
8272         * gcc/haifa-sched.c (schedule_block): Make queued sched group
8273         insns return to ready list in the next turn.
8274
8275 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
8276
8277         PR middle-end/19402
8278         * builtins.def: New __builtin_powi[lf].
8279         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
8280         (expand_builtin_powi): New function.
8281         (expand_builtin): Dispatch to expand_builtin_powi.
8282         * libgcc2.h: Add prototypes for __builtin_powi[lf].
8283         * libgcc2.c: Add __builtin_powi[lf] implementation.
8284         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
8285         * optabs.h: Add powi_optab.
8286         * optabs.c (init_optabs): Initialize powi_optab.
8287         * doc/extend.texi: Document __builtin_powi[lf].
8288
8289 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
8290
8291         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
8292         exists.
8293
8294 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
8295
8296         PR middle-end/19854
8297         * fold-const.c (try_move_mult_to_index): Remove redundant
8298         type argument.  Create ADDR_EXPR with correct type.
8299         (fold): Update callers of try_move_mult_to_index.  Convert
8300         result to the appropriate type.
8301
8302 2005-02-09  Roger Sayle  <roger@eyesopen.com>
8303
8304         PR target/19597
8305         * config/avr/avr.c (default_rtx_costs): Delete.
8306         (avr_operand_rtx_cost): New function.
8307         (avr_rtx_costs): Completely rewrite.
8308
8309 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
8310
8311         PR target/19806
8312         * config/cris/cris.c (in_code): New variable.
8313         (cris_output_addr_const): Now a static function, a wrapper for
8314         output_addr_const.
8315         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
8316         case from old cris_output_addr_const.
8317         (cris_asm_output_label_ref): Similar for LABEL_REF.
8318         (cris_output_addr_const_extra): Similar for UNSPEC.
8319         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
8320         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
8321         * config/cris/cris-protos.h (cris_output_addr_const): Remove
8322         declaration.
8323         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
8324         (cris_asm_output_label_ref): Declare.
8325
8326 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
8327
8328         PR preprocessor/19801
8329         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
8330         filenames that changed when libcpp was moved to the toplevel.
8331
8332 2005-02-07  Roger Sayle  <roger@eyesopen.com>
8333
8334         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
8335         zero extensions of BImode operands.  Call lowpart_subreg instead
8336         of gen_lowpart_common and gen_lowpart_SUBREG.
8337
8338 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
8339
8340         PR ada/19489
8341         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
8342         * configure.ac: Set cc_for_cross_gnattools.
8343         * configure: Regenerate.
8344
8345 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
8346
8347         PR target/19803
8348         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
8349
8350 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
8351
8352         PR debug/19327
8353         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
8354         of nested functions.
8355
8356 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
8357
8358         * doc/extend.texi: Document deprecated extensions allowing
8359         static floating-point members to have initializers and allowing
8360         floating-point literals in integral constant expressions.
8361
8362 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
8363
8364         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
8365         config/darwin7.h, config/mips/mips.c,
8366         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
8367         Update copyright.
8368
8369         * cse.c: Update comments.
8370
8371 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
8372
8373         PR middle-end/19775
8374         * builtins.c (fold_builtin_sqrt): Transform
8375         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
8376         pow(x,y*0.5).
8377
8378 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
8379             Dorit Naishlos  <dorit@il.ibm.com>
8380
8381         * doc/invoke.texi (ftree-vectorizer-verbose): New.
8382         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
8383         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
8384         was added.
8385         * tree.h (vect_set_verbosity_level): New extern function declaration
8386         added.
8387         * tree-vectorizer.h (verbosity_levels): New enum type.
8388         * tree-vectorizer.c (vect_debug_stats): Function removed.
8389         (vect_debug_details): Likewise.
8390         (vect_verbosity_level): Global variable was defined and initialized.
8391         (vect_dump): Global variable definition.
8392         (vect_print_dump_info): New function.
8393         (vect_set_dump_settings): New function.
8394         (vect_set_verbosity_level): New function.
8395         (vectorize_loops): Add call to vect_set_dump_settings.
8396
8397         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
8398         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
8399         (slpeel_tree_peel_loop_to_edge): Likewise.
8400
8401         (vect_analyze_offset_expr): Call to vect_print_dump_info with
8402         appropriate verbosity level instead of call to vect_debug_details
8403         or vect_debug_stats.
8404         (vect_get_base_and_offset):
8405         (vect_create_addr_base_for_vector_ref):
8406         (get_vectype_for_scalar_type):
8407         (vect_create_data_ref_ptr):
8408         (vect_init_vector):
8409         (vect_get_vec_def_for_operand):
8410         (vect_finish_stmt_generation):
8411         (vectorizable_assignment):
8412         (vectorizable_operation):
8413         (vectorizable_store):
8414         (vectorizable_load):
8415         (vect_transform_stmt):
8416         (vect_update_ivs_after_vectorizer):
8417         (vect_do_peeling_for_loop_bound):
8418         (vect_update_inits_of_drs):
8419         (vect_do_peeling_for_alignment):
8420         (vect_transform_loop):
8421         (vect_is_simple_use):
8422         (vect_analyze_operations):
8423         (vect_is_simple_iv_evolution):
8424         (vect_analyze_scalar_cycles):
8425         (vect_analyze_data_ref_dependence):
8426         (vect_analyze_data_ref_dependences):
8427         (vect_compute_data_ref_alignment):
8428         (vect_enhance_data_refs_alignment):
8429         (vect_analyze_data_refs_alignment):
8430         (vect_analyze_data_ref_access):
8431         (vect_analyze_data_ref_accesses):
8432         (vect_analyze_pointer_ref_access):
8433         (vect_get_memtag_and_dr):
8434         (vect_analyze_data_refs):
8435         (vect_mark_relevant):
8436         (vect_stmt_relevant_p):
8437         (vect_mark_stmts_to_be_vectorized):
8438         (vect_can_advance_ivs_p):
8439         (vect_get_loop_niters):
8440         (vect_analyze_loop_form):
8441         (vect_analyze_loop):
8442         (vectorize_loops): Likewise.
8443
8444         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
8445         (vect_update_inits_of_drs):
8446         (vect_do_peeling_for_alignment):
8447         (vect_transform_loop):
8448         (vect_analyze_operations):
8449         (vect_analyze_scalar_cycles):
8450         (vect_analyze_data_ref_dependences):
8451         (vect_analyze_data_refs_alignment):
8452         (vect_analyze_data_ref_accesses):
8453         (vect_analyze_data_refs):
8454         (vect_mark_stmts_to_be_vectorized):
8455         (vect_get_loop_niters):
8456         (vect_analyze_loop_form):
8457         (vect_analyze_loop): Likewise.
8458         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
8459
8460 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
8461
8462         PR bootstrap/19796
8463         Revert:
8464         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
8465         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
8466         either -ffast-math or -funsafe-math-optimizations is in use.
8467
8468         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
8469         * config/mips/irix-csr.c: New file.
8470         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
8471         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
8472         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
8473         executables.
8474
8475 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
8476
8477         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
8478         redundant, incorrect definitions.
8479
8480         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
8481         expand.
8482         ("*tls_indirect_call"): New, reference hard regs directly.
8483         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
8484
8485 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
8486
8487         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
8488         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
8489
8490 2005-02-06  Roger Sayle  <roger@eyesopen.com>
8491
8492         PR rtl-optimization/19800
8493         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
8494         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
8495         gen_lowpart.
8496
8497 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
8498
8499         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
8500
8501 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
8502
8503         PR other/17135
8504         * doc/invoke.texi: Correct documentation of -freorder-functions.
8505
8506 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
8507
8508         PR other/14402
8509         * doc/invoke.texi: Don't mention gccbug.
8510
8511 2005-02-06  Roger Sayle  <roger@eyesopen.com>
8512             Andrew Pinski  <pinskia@physics.uc.edu>
8513             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
8514
8515         * simplify-rtx.c (simplify_relational_operation_1): Simplify
8516         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
8517         into just (zero_extract:SI FOO (const_int 1) BAR).
8518
8519 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
8520
8521         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
8522         macro locally.  Don't give last revision date.  Use GCC version
8523         number from gcc-common.texi.
8524         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
8525         revision date.  Use GCC version number from gcc-common.texi.
8526         Describe being a library as current state rather than as 3.x
8527         history.
8528         * doc/gcc.texi: Remove last update date.
8529         * doc/gccint.texi: Likewise.  Update copyright dates.
8530         * doc/install.texi: Update copyright dates.
8531
8532 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
8533
8534         PR other/7549
8535         * doc/invoke.texi: Mention for each option included in -Wall that
8536         it is included in -Wall.
8537         * doc/gcc.texi: Update copyright and last modification date.
8538
8539 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
8540
8541         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
8542         unnecessary cast to original induction variable increments.
8543
8544 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
8545
8546         PR tree-optimization/18219
8547         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
8548         in distributed form.
8549
8550 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
8551
8552         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
8553         Set bitpos and offset later in the function.  Do nothing if the
8554         target is a register and if the bitfield lies completely outside
8555         that register.
8556         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
8557         here.  Return an uninitialised register if the source value is stored
8558         in a register and the bitfield lies completely outside that register.
8559
8560 2005-02-06  Steven Bosscher  <stevenb@suse.de>
8561
8562         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
8563         not SET_DEST.
8564
8565 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
8566
8567         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
8568
8569 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
8570
8571         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
8572         * config/darwin8.h: New.
8573         * config/darwin7.h: Update comment.
8574
8575 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
8576             Dorit Naishlos  <dorit@il.ibm.com>
8577
8578         * tree-vectorizer.h (LOC): New type.
8579         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
8580         (loop_line_number): New field in struct _loop_vec_info.
8581         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
8582
8583         * tree-vectorizer.c (input.h): Included.
8584         (find_loop_location): New function.
8585         (vect_debug_stats): Argument changed from loop to LOC. Computation of
8586         loop line number removed.
8587         (vect_debug_details): Likewise.
8588         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
8589
8590         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
8591         call to vect_debug_details/stats changed from loop to loop_loc.
8592         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
8593         (slpeel_tree_peel_loop_to_edge): Likewise.
8594
8595         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
8596         changed from NULL to UNKNOWN_LOC.
8597         (vect_get_base_and_offset):
8598         (vect_create_addr_base_for_vector_ref):
8599         (get_vectype_for_scalar_type):
8600         (vect_create_data_ref_ptr):
8601         (vect_init_vector):
8602         (vect_get_vec_def_for_operand):
8603         (vect_finish_stmt_generation):
8604         (vectorizable_assignment):
8605         (vectorizable_operation):
8606         (vectorizable_store):
8607         (vectorizable_load):
8608         (vect_transform_stmt):
8609         (vect_update_ivs_after_vectorizer):
8610         (vect_do_peeling_for_loop_bound):
8611         (vect_do_peeling_for_alignment):
8612         (vect_transform_loop):
8613         (vect_is_simple_use):
8614         (vect_analyze_operations):
8615         (vect_is_simple_iv_evolution):
8616         (vect_analyze_scalar_cycles):
8617         (vect_analyze_data_ref_dependences):
8618         (vect_compute_data_ref_alignment):
8619         (vect_enhance_data_refs_alignment):
8620         (vect_analyze_data_ref_access):
8621         (vect_analyze_data_ref_accesses):
8622         (vect_analyze_pointer_ref_access):
8623         (vect_get_memtag_and_dr):
8624         (vect_analyze_data_refs):
8625         (vect_mark_relevant):
8626         (vect_stmt_relevant_p):
8627         (vect_mark_stmts_to_be_vectorized):
8628         (vect_can_advance_ivs_p):
8629         (vect_get_loop_niters):
8630         (vect_analyze_loop):
8631         (vectorize_loops): Likewise.
8632
8633         (vectorizable_load): Argument in call to vect_debug_details/stats
8634         changed from loop to LOOP_LOC (loop_vinfo).
8635         (vect_transform_loop):
8636         (vect_analyze_operations):
8637         (vect_analyze_scalar_cycles):
8638         (vect_analyze_data_ref_dependence):
8639         (vect_enhance_data_refs_alignment):
8640         (vect_analyze_data_ref_accesses):
8641         (vect_analyze_pointer_ref_access):
8642         (vect_analyze_data_refs):
8643         (vect_analyze_loop): Likewise.
8644
8645         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
8646         changed from loop to loop_loc.
8647
8648         (vect_enhance_data_refs_alignment): Removed unused variable loop.
8649
8650 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
8651             Dorit Naishlos  <dorit@il.ibm.com>
8652
8653         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
8654         declaration added.
8655         (vect_analyze_data_ref_dependences): Likewise.
8656
8657         (vect_is_simple_use): Argument changed from loop structure to
8658         loop_vect_info structure.
8659         (vect_can_advance_ivs_p): Likewise.
8660         (vect_create_index_for_vector_ref): Likewise.
8661         (vect_update_ivs_after_vectorizer): Likewise.
8662         (new_stmt_vec_info): Likewise.
8663
8664         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
8665         changed from loop to loop_vinfo.
8666         (vect_create_data_ref_ptr): First argument in call to
8667         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
8668         (vectorizable_assignment): Second argument in call to vect_is_simple_use
8669         was changed from loop to loop_vinfo.
8670         (vectorizable_operation): Likewise.
8671         (vectorizable_store): Likewise.
8672         (vect_mark_stmts_to_be_vectorized): Likewise.
8673         (vect_do_peeling_for_loop_bound): First argument in call to
8674         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
8675         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
8676         was changed from loop to loop_vinfo.
8677         (vect_analyze_data_ref_dependences): Third argument in call to
8678         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
8679
8680         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
8681         (vect_create_data_ref_ptr): Likewise.
8682         (vect_init_vector): Likewise.
8683         (vect_get_vec_def_for_operand): Likewise.
8684         (vectorizable_assignment): Likewise.
8685         (vectorizable_operation): Likewise.
8686         (vectorizable_store): Likewise.
8687         (vectorizable_load): Likewise.
8688         (vect_update_ivs_after_vectorizer): Likewise.
8689         (vect_is_simple_use): Likewise.
8690         (vect_analyze_data_ref_dependence): Likewise.
8691         (vect_analyze_pointer_ref_access): Likewise.
8692         (vect_can_advance_ivs_p): Likewise.
8693
8694         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
8695         before _stmt_vec_info.
8696         (_stmt_vec_info): Loop field replaced by loop_vec_info.
8697         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
8698         (new_stmt_vec_info): Argument changed from loop structure to
8699         loop_vect_info structure
8700
8701         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
8702         (vect_analyze_offset_expr): Avoid 80 columns overflow.
8703         (vect_create_addr_base_for_vector_ref): Likewise.
8704         (vect_analyze_pointer_ref_access): Likewise.
8705
8706 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
8707
8708         PR tree-opt/19768
8709         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
8710         phi flag if the phi is abnormal.
8711
8712 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
8713
8714         PR tree-opt/19736
8715         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
8716         information for the new statement.
8717
8718 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
8719
8720         PR driver/19117
8721         * gcc.c (main): Include the target in -v output.
8722
8723 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
8724
8725         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
8726         Do not drop the extend if we'd have to add a paradoxical subreg
8727         later.  Include optabs.h and insn-codes.h.
8728         * Makefile.in (combine.o): Depend on $(OPTABS_H).
8729
8730 2005-02-02  Roger Sayle  <roger@eyesopen.com>
8731
8732         PR middle-end/19405
8733         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
8734         * fold-const.c (const_binop): Avoid constant folding floating
8735         point operations in modes that use composite representations.
8736         * simplify-rtx.c (simplify_binary_operation): Likewise.
8737
8738 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
8739
8740         * config/rs6000/altivec.md (altivec_dst): Make the first operand
8741         a REG, not a MEM.
8742         (altivec_dstt): Likewise.
8743         (altivec_dstst): Likewise.
8744         (altivec_dststt): Likewise.
8745         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
8746         of first operand.
8747
8748 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
8749
8750         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
8751         EXPR_LOCUS from orig_cond to the new cond_stmt.
8752         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
8753         the new vec_stmt.
8754
8755 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
8756
8757         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
8758         standard_iv_increment_position. Remove call to bsi_next
8759         (no need to bump the iterator anymore).
8760         (vect_create_index_for_vector_ref): Call
8761         standard_iv_increment_position. Remove second function argument.
8762         (vect_finish_stmt_generation): Remove call to bsi_next
8763         (no need to bump the iterator anymore).
8764         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
8765         to vect_create_index_for_vector_ref.
8766
8767 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
8768
8769         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
8770         phis are used out of the loop.
8771
8772 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
8773
8774         PR c/17807
8775         * c-decl.c (undef_nested_function): New variable.
8776         (pop_scope): Diagnose undefined nested functions.
8777         (finish_function): Don't attempt cgraph processing or genericizing
8778         if current top-level function contained an undefined nested
8779         function.  Reset undef_nested_function at the end of a top-level
8780         function.
8781
8782 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
8783
8784         * tree.c (build_int_cst_type): Take sign of the value into account
8785         when deciding whether sign extend the value.
8786
8787 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
8788
8789         PR c/18502
8790         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
8791         (cpp_options, cc1_options): Change %{std*&ansi} to
8792         %{std*&ansi&trigraphs}.
8793
8794 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
8795
8796         * cse.c: Update comments.
8797
8798 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
8799
8800         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
8801         arguments go on the stack.  Do not put complex doubles in odd/even
8802         pairs.
8803
8804 2005-02-02  Steven Bosscher  <stevenb@suse.de>
8805
8806         * doc/invoke.texi: Update the options enabled at -O1, -O2,
8807         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
8808         -ftree-pre, and -fthread-jumps.
8809
8810 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
8811
8812         PR tree-optimization/19578
8813         * tree-flow.h (modified_noreturn_calls): Declare.
8814         (noreturn_call_p): Declare.
8815         * tree-flow-inline.h (noreturn_call_p): New function.
8816         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
8817         * tree-cfg.c (modified_noreturn_calls): New variable.
8818         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
8819         that contain a mid-block noreturn call.
8820         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
8821
8822 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
8823
8824         * df.c (df_def_record_1, df_uses_record): Don't use
8825         DF_FOR_REGALLOC.
8826         * df.h (DF_FOR_REGALLOC): Remove.
8827
8828 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
8829
8830         PR c/19435
8831         * c-typeck.c (really_start_incremental_init): Reset
8832         constructor_max_index for arrays of incomplete type.
8833
8834 2005-02-02  Jeff Law  <law@redhat.com>
8835
8836         * gcse.c (struct reg_set): Store the block index where the register
8837         was set rather than the setting insn.
8838         (record_one_set, compute_transp): Corresponding changes.
8839         (pre_insert_copy_insn): Do not call replace_one_set.
8840         (replace_one_set): Remove.
8841
8842 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
8843
8844         PR other/15514
8845         * doc/gcov.texi: Fix typo.
8846
8847 2005-02-01  Richard Henderson  <rth@redhat.com
8848
8849         PR target/19680
8850         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
8851         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
8852         type to bool.
8853         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
8854         * config/i386/i386-protos.h: Update.
8855
8856 2005-02-01  Steven Bosscher  <stevenb@suse.de>
8857
8858         PR tree-optimization/19217
8859         * tree-cfg.c (verify_expr): Use the data field to see if TP was
8860         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
8861         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
8862         that it is walking a PHI node.
8863
8864 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
8865
8866         * doc/extend.texi (Nested Functions): Update.
8867
8868 2005-02-01  Richard Henderson  <rth@redhat.com>
8869
8870         PR 19696
8871         * optabs.c (expand_copysign_absneg): Export.
8872         * optabs.h (expand_copysign_absneg): Declare.
8873         * config/rs6000/rs6000.md (copysigntf3): New.
8874
8875 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
8876
8877         PR tree-optimization/19633
8878         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
8879         * tree-ssa-alias.c (init_alias_info): Initialize.
8880         (merge_pointed_to_info): Set.
8881         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
8882         (dump_points_to_info_for): Show value of pt_null.
8883         (struct count_ptr_d): Declare.
8884         (find_ptr_dereference): Remove.
8885         (ptr_is_dereferenced_by): Remove.
8886         (count_ptr_derefs): New local function.
8887         (count_uses_and_derefs): New local function.
8888         (compute_points_to_and_addr_escape): Call it.  If the number
8889         of dereferences is greater than zero, mark the pointer as
8890         dereferenced.  If there are fewer dereferences than uses of
8891         the pointer, the pointer's value escapes.
8892
8893 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
8894
8895         PR tree-optimization/19670
8896         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
8897         here...
8898         (verify_use): ... set it here, instead.
8899
8900 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
8901
8902         * doc/sourcebuild.texi (Test directives): Fix formatting.
8903
8904         * doc/sourcebuild.texi (Test directives): Describe selector
8905         expressions.
8906
8907 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
8908
8909         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
8910         specific 64-bit CPUs.
8911
8912 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
8913
8914         PR target/16201
8915         * arm.c (arm_eliminable_register): New function.
8916         (adjacent_mem_locations): Don't allow eliminable registers.  Use
8917         HOST_WIDE_INT for address offsets.
8918         * arm-protos.h (arm_eliminable_register): Add prototype.
8919
8920 2005-02-01  Steven Bosscher  <stevenb@suse.de>
8921
8922         PR optimization/15242
8923         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
8924         * basic-block.h (duplicate_computed_gotos): Add prototype.
8925         * bb-reorder.c (duplicate_computed_gotos): New function to
8926         duplicate sufficiently small blocks ending in a computed jump.
8927         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
8928         if not optimizing for size.
8929         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
8930         never do tail merging for blocks ending in a computed jump.
8931         * doc/invoke.texi: Document the max-goto-duplication-insns param.
8932
8933 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
8934
8935         Patch from Richard Sandiford <rsandifo@redhat.com>
8936         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
8937         from inheriting a subreg equivalence with a non-spill register.
8938
8939         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
8940
8941 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
8942
8943         * config/frv/frv.c (movcc_fp_destination_operand): New.
8944         (gpr_or_memory_operand): Fix typo in comment.
8945         (gpr_or_memory_operand_with_scratch): New.
8946         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
8947         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
8948         movcc_fp_destination_operand.
8949         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
8950         Legitimize memory addresses using a scratch register.
8951
8952 2005-01-31  Jeff Law  <law@redhat.com>
8953
8954         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
8955         bitmap a sparse bitmap instead of a simple bitmap.
8956         (mark_def_sites_initialize_block):  Corresponding changes.
8957         (ssa_mark_def_sites_initialize_block): Likewise.
8958         (ssa_mark_phi_uses): Likewise.
8959         (mark_def_site, ssa_mark_def_sites): Likewise.
8960         (mark_def_site_blocks): Likewise.
8961         (rewrite_ssa_into_ssa): Likewise.
8962
8963         * tree-ssa-dom.c (record_cond): Pass correct variable type
8964         for last argument to htab_find_slot_with_hash.
8965
8966         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
8967         effects when optimizing 0 % X.  Do not try to optimize X % 0.
8968
8969 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
8970
8971         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
8972         1_mmalua.
8973
8974 2005-02-01  Eric Christopher  <echristo@redhat.com>
8975
8976         * config/mips/mips.c (override_options): Warn if -mint64
8977         is used.
8978         * doc/invoke.texi (MIPS Options): Document that -mint64 is
8979         deprecated.
8980
8981 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
8982
8983         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
8984         timestamp.
8985         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
8986         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
8987         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
8988         (cached_regno): Initialize to INVALID_REGNUM.
8989         (cse_reg_info_table_size,
8990         cse_reg_info_table_first_uninitialized,
8991         cse_reg_info_timestamp): New.
8992         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
8993         get_cse_reg_info.
8994         (init_cse_reg_info, get_cse_reg_info_1): New.
8995         (get_cse_reg_info): Cache the last look-up.
8996         (new_basic_block): Update the code to clear mappings from
8997         registers to cse_reg_info entries.
8998         (cse_main): Call init_cse_reg_info.
8999
9000         * cse.c (get_cse_reg_info): Update a comment.
9001
9002 2005-01-31  Steven Bosscher  <stevenb@suse.de>
9003
9004         PR c/19333
9005         * c-decl.c (start_decl): Do not warn about arrays of elements with
9006         an incomplete type here.
9007         (grokdeclarator): Do it here by making a pedwarn an error.
9008         * c-typeck.c (push_init_level): If there were previous errors with
9009         the constructor type, do not warn about braces for initializers.
9010         (process_init_element): Likewise for excess initializer elements.
9011
9012 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
9013
9014         * cse.c (delete_trivially_dead_insn): Don't iterate.
9015
9016 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
9017
9018         * config/rs6000/rs6000.md (copysignsf3): New expand.
9019         (copysigndf3): Likewise.
9020
9021 2005-01-31  Steven Bosscher  <stevenb@suse.de>
9022
9023         * recog.c (constrain_operands): Only look for earlyclobber operand
9024         conflicts if an '&' constraint was seen.
9025
9026 2005-01-31  Marc Espie <espie@openbsd.org>
9027
9028         * config.gcc: Don't include embedded systems fragment, switches default
9029         debugging format to ELF.
9030         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
9031         longer pick it up there.
9032
9033 2005-01-31  Dale Johannesen  <dalej@apple.com>
9034
9035         * doc/extend.texi (nested functions): Fix linkage description.
9036         Clarify that static is not allowed.
9037
9038 2005-01-31  Dale Johannesen  <dalej@apple.com>
9039
9040         * config/rs6000/darwin.md (movsf_low_di):  Make work.
9041         (movdf_low_di):  Make work.
9042
9043 2005-01-31  Dale Johannesen  <dalej@apple.com>
9044
9045         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
9046         Make work for 64 bit.
9047
9048 2005-01-31  Roger Sayle  <roger@eyesopen.com>
9049             Dale Johannesen  <dalej@apple.com>
9050
9051         PR middle-end/19650
9052         * fold-const.c (fold_binary_op_with_conditional_arg):
9053         Make types match original operands, before STRIP_NOPS.
9054
9055 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
9056
9057         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
9058         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
9059         (struct gcc_sigcontext): Delete.  Merge contents to..
9060         (struct gcc_ucontext): ..here.
9061         (get_sigcontext): Delete.
9062         (get_regs): New function, like get_sigcontext but return regs ptr.
9063         64-bit version finds regs from r1 to support vdso.
9064         (ppc_linux_aux_vector): New function.
9065         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
9066         and vector regs.
9067
9068 2005-01-31  Ira Rosen  <irar@il.ibm.com>
9069
9070         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
9071         sizetype.
9072         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
9073         redundant fold. Fix misalignment for MINUS_EXPR.
9074         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
9075         (vect_analyze_pointer_ref_access): Likewise.
9076         (vect_get_memtag_and_dr): Likewise.
9077
9078 2005-01-31  Richard Henderson  <rth@redhat.com>
9079
9080         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
9081         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
9082         absnegdf2_i387, absnegxf2_i387): Likewise.
9083
9084 2005-01-31  Richard Henderson  <rth@redhat.com>
9085
9086         PR 19696
9087         * optabs.c (expand_copysign_absneg): New.
9088         (expand_copysign_bit): Split out from ...
9089         (expand_copysign): ... here.  Use expand_copysign_absneg.
9090
9091 2005-01-30  Roger Sayle  <roger@eyesopen.com>
9092
9093         PR middle-end/19697
9094         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
9095         constant as the second operand and a register as the third.
9096
9097 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
9098
9099         PR target/19704
9100         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
9101         that dllimport'd functions do not use all call-clobbered registers
9102         to pass parameters.
9103
9104 2005-01-30  Richard Henderson  <rth@redhat.com>
9105
9106         PR 19696
9107         * optabs.c (expand_absneg_bit): Split out from expand_unop and
9108         expand_abs_nojump and generalize.  Use operand_subword and
9109         emit_no_conflict_block.  Support large modes.
9110         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
9111         back to maximum.
9112         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
9113         negation to subtraction.
9114         (expand_copysign): Check that the format has signed zeros.
9115         Use operand_subword and emit_no_conflict_block.  Support large modes.
9116
9117 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
9118
9119         Fix PR tree-optimization/19624
9120
9121         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
9122         * tree-ssa-pre.c: Add cfgloop.h.
9123         Update comment.
9124         (pre_stats): New member, constified.
9125         (inserted_exprs): New static variable.
9126         (NECESSARY): New macro.
9127         (create_expression_by_pieces): Fold the expression, and
9128         mark it as defaulting to not necessary. Also put in
9129         inserted_exprs.
9130         (fully_constant_expression): New function.
9131         (insert_into_preds_of_block): Modify to not insert phis when we
9132         are playing with induction variables.
9133         Push phis onto the inserted_exprs vector, and mark them as not
9134         necessary by default.
9135         (insert_aux): Call fully_constant_expression on eprime.
9136         If all edges produce the same value, mark it constant.
9137         (mark_operand_necessary): New function.
9138         (remove_dead_inserted_code): New function.
9139         (init_pre): Init loop optimizer to get loop info.
9140         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
9141         (execute_pre): Commit edge inserts, then remove dead code.
9142
9143 2005-01-30  Richard Henderson  <rth@redhat.com>
9144
9145         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
9146         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
9147
9148 2005-01-30  Richard Henderson  <rth@redhat.com>
9149
9150         PR target/19700
9151         * config/i386/i386.c (ix86_expand_copysign): New.
9152         (ix86_split_copysign_const): New.
9153         (ix86_split_copysign_var): Rename from ix86_split_copysign,
9154         rearrange op1/nmask operands.
9155         * config/i386/i386-protos.h: Update.
9156         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
9157         (copysigndf3): Likewise.
9158         (copysignsf3_const, copysigndf3_const): New.
9159         (copysignsf3_var): Rename from copysignsf3, split out splitter
9160         and fix split predicate for X constraint.
9161         (copysigndf3_var): Similarly.
9162
9163 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
9164
9165         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
9166         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
9167         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
9168
9169 2005-01-29  Richard Henderson  <rth@redhat.com>
9170
9171         PR target/19690
9172         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
9173         of # and * in constraints.
9174
9175 2005-01-29  Richard Henderson  <rth@redhat.com>
9176
9177         PR middle-end/19689
9178         * expr.c (store_field): Don't strip sub-mode cast when the input
9179         data is even smaller.
9180
9181 2005-01-29  Richard Henderson  <rth@redhat.com>
9182
9183         PR middle-end/19687
9184         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
9185         union being empty.
9186
9187 2005-01-29  Richard Henderson  <rth@redhat.com>
9188
9189         * combine.c (make_field_assignment): Fix argument order
9190         to gen_int_mode.
9191
9192 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
9193
9194         PR tree-optimization/15791
9195         * fold-const.c (extract_array_ref): New function.
9196         (fold): Fold comparisons between &a[i] and &a[j] or
9197         semantically equivalent trees.
9198
9199 2005-01-29  Jeff Law  <law@redhat.com>
9200
9201         * gcse.c (insert_expr_in_table): Revamp handling of available
9202         and anticipatable occurrence lists to avoid unnecessary list
9203         walking.
9204         (insert_set_in_table): Similarly.
9205
9206 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
9207
9208         * c-common.c (fix_string_type): Just use c_build_qualified_type to
9209         build string type.
9210         (c_build_qualified_type): Build qualified array types with
9211         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
9212         * c-decl.c (c_make_fname_decl): Build unqualified array type
9213         before qualified type.
9214         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
9215         type is qualified, not just if type itself is.  Don't apply
9216         qualifiers to array type when declarator is processed.  Apply
9217         qualifiers to field type whether or not it is an array type.
9218         Don't handle array types specially for applying qualifiers to
9219         variables.
9220         * c-typeck.c (composite_type): Build unqualified element type and
9221         array type when forming composite of array types.
9222         (common_pointer_type, comptypes, comp_target_types,
9223         type_lists_compatible_p, build_indirect_ref, build_array_ref,
9224         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
9225         types.
9226         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
9227         (args2) in variables a1 and a2.
9228
9229 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
9230
9231         * cse.c (n_elements_made, max_elements_made): Remove.
9232         (insert): Don't touch n_elements_made.
9233         (cse_main): Don't touch n_elements_made or max_elements_made.
9234
9235 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
9236
9237         PR target/15384
9238         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
9239         configuration part of dp-bit.c to be lost.
9240
9241 2005-01-28  Roger Sayle  <roger@eyesopen.com>
9242
9243         * expmed.c (expand_mult_highpart_optab): When attempting to use
9244         a non-widening multiplication in a wider mode, the operands need
9245         to be converted (zero or sign extended) to that mode.
9246
9247 2005-01-28  Ian Lance Taylor  <ian@airs.com>
9248
9249         PR middle-end/16558
9250         PR middle-end/19583
9251         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
9252         through if both operands fall through.
9253
9254 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
9255
9256         * cse.c (fold_rtx) <PC>: Don't optimize.
9257
9258 2005-01-28  Jeff Law  <law@redhat.com>
9259
9260         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
9261         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
9262
9263 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
9264
9265         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
9266         cse_reg_info_used_list_end): Remove.
9267         (cse_reg_info_list, cse_reg_info_list_free): New.
9268         (get_cse_reg_info): When allocating an instance of
9269         cse_reg_info, add it to the beginning of the cse_reg_info_list
9270         list.  Remove code to maintain cse_reg_info_used_list.
9271         (new_basic_block): Reset the free list to the beginning of
9272         cse_reg_info_list.
9273
9274 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
9275
9276         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
9277         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
9278         (frv_expand_mdpackh_builtin): New function.
9279         (frv_expand_builtin): Use it to expand __MDPACKH.
9280         * doc/extend.texi (__MDPACKH): Update documentation.
9281
9282 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
9283
9284         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
9285         SSE_FLOAT_MODE_P for use_sse computation.
9286
9287 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
9288
9289         PR target/19663
9290         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
9291
9292 2005-01-27  Richard Henderson  <rth@redhat.com>
9293
9294         * builtins.c (expand_builtin_copysign): New.
9295         (expand_builtin): Call it.
9296         * genopinit.c (optabs): Add copysign_optab.
9297         * optabs.c (init_optabs): Initialize it.
9298         (expand_copysign): New.
9299         * optabs.h (OTI_copysign, copysign_optab): New.
9300         (expand_copysign): Declare.
9301
9302         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
9303         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
9304
9305         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
9306         (ix86_expand_fp_absneg_operator): ... here.
9307         (ix86_split_copysign): New.
9308         * config/i386/i386-protos.h: Update.
9309         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
9310         (copysignsf3, copysigndf3): New.
9311
9312         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
9313         (copysignsf3, ncopysignsf3): New.
9314         (copysigndf3, ncopysigndf3): New.
9315         (copysignxf3, ncopysignxf3): New.
9316         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
9317
9318 2005-01-27  Arend Bayer  <arend.bayer@web.de>
9319             Kazu Hirata  <kazu@cs.umass.edu>
9320
9321         * cse.c: (find_best_addr): Don't call copy_rtx before calling
9322         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
9323         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
9324         NULL_RTX.
9325
9326 2005-01-27  Jeff Law  <law@redhat.com>
9327
9328         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
9329         definitions of SSA_NAMEs which are not being rewritten.
9330         (rewrite_ssa_into_ssa): Only initialize the current definition
9331         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
9332         If checking is enabled, assert that SSA_NAME_AUX is clear for all
9333         SSA_NAMEs before returning.
9334
9335 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
9336
9337         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
9338         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
9339         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
9340         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
9341         config/mips/iris6.h, config/sh/sh.c: Update copyright.
9342
9343 2005-01-27  Steven Bosscher  <stevenb@suse.de>
9344
9345         PR middle-end/17278
9346         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
9347         higher to -O2 and higher.  Likewise for tree PRE.
9348         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
9349         and better.
9350
9351 2005-01-27  Ian Lance Taylor  <ian@airs.com>
9352
9353         PR middle-end/19583
9354         * gimple-low.c (try_catch_may_fallthru): New static function.
9355         (block_may_fallthru): Handle TRY_CATCH_EXPR.
9356         * tree-inline.c (expand_call_inline): Don't warn about reaching
9357         the end of a non-void function being inlined if the function uses
9358         a return slot.
9359
9360 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
9361
9362         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
9363
9364         PR c/18946
9365         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
9366         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
9367         (implicitly_declare): Handle error_mark_node.
9368
9369 2005-01-27  Richard Henderson  <rth@redhat.com>
9370
9371         PR tree-opt/14329
9372         * tree.h (struct tree_decl): Add debug_expr_is_from.
9373         (DECL_DEBUG_EXPR_IS_FROM): New.
9374         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
9375         * dwarf2out.c (dwarf2out_var_location): Update to match.
9376         * tree-outof-ssa.c (create_temp): Likewise.
9377         * var-tracking.c (track_expr_p): Likewise.
9378         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
9379         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
9380         * toplev.c (default_tree_printer): Likewise.
9381
9382 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
9383
9384         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
9385         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
9386
9387 2005-01-27  Steven Bosscher  <stevenb@suse.de>
9388
9389         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
9390         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
9391         ASM_CLOBBERS): Add tree checks.
9392
9393         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
9394         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
9395         * c-common.def (SWITCH_STMT): Update to match.
9396         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
9397         macros instead of SWITCH_EXPR ones.
9398         * c-dump.c (c_dump_tree): Likewise.
9399         * c-gimplify.c (gimplify_switch_stmt): Likewise.
9400         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
9401
9402         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
9403
9404 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
9405
9406         * unwind-dw2.c (execute_stack_op): Add missing cases for
9407         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
9408
9409 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
9410
9411         * config.gcc (Obsolete configurations): Remove 'dummy', add
9412         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
9413         sparc-*-openbsd*.
9414
9415 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
9416
9417         PR tree-optimization/19633
9418         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
9419         CALL_EXPRs.
9420         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
9421         are no call-clobbered variables.
9422         * tree-outof-ssa.c (check_replaceable): Return false for calls
9423         with side-effects.
9424
9425 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
9426
9427         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
9428         even for variables with NULL DECL_INITIAL.
9429
9430 2005-01-26  Stuart Hastings  <stuart@apple.com>
9431
9432         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
9433
9434 2005-01-26  Richard Henderson  <rth@redhat.com>
9435
9436         PR middle-end/18008
9437         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
9438         field's type.
9439         * expr.c (store_field): Strip conversions to odd-bit-sized types
9440         if the destination field width matches.
9441
9442 2005-01-26  Richard Henderson  <rth@redhat.com>
9443
9444         * c-decl.c, expmed.c, expr.c: Revert last change.
9445
9446 2005-01-26  Richard Henderson  <rth@redhat.com>
9447
9448         PR middle-end/18008
9449         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
9450         field's type.
9451         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
9452         if we don't need the bits above those present in the current mode.
9453         * expr.c (store_field): Strip conversions to odd-bit-sized types
9454         if the destination field width matches.
9455
9456 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
9457
9458         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
9459         either -ffast-math or -funsafe-math-optimizations is in use.
9460
9461 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
9462
9463         PR target/19293
9464         PR target/19329
9465         * config/avr/avr.c (notice_update_cc): Only set condition code for
9466         ashrqi3 if shift count > 0.
9467         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
9468         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
9469         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
9470         count <= 0 as a no-op, and shift count >= width by copying zero
9471         or sign bit to all bits of the result.
9472         * config/avr/avr.md (all shifts): Add alternatives for zero shift
9473         count, with attribute "length" set to 0 and "cc" set to "none".
9474
9475 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
9476
9477         * doc/invoke.texi: Document -mTLS.
9478
9479         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
9480         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
9481         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
9482         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
9483         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
9484         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
9485         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
9486         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
9487
9488         * configure.ac: Check for a TLS capable gas.
9489
9490         * configure: Regenerate.
9491
9492 2005-01-26  Richard Henderson  <rth@redhat.com>
9493
9494         PR middle-end/18008
9495         * combine.c (make_field_assignment): Simplify store to zero_extract
9496         from a source with an overlapping mask.
9497
9498 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
9499
9500         2004-11-11  Eric Christopher  <echristo@redhat.com>
9501
9502         * config/frv/frv.md: Add fr400_integer automaton. Don't
9503         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
9504         to TYPE_MACC.
9505
9506 2005-01-26  Steven Bosscher  <stevenb@suse.de>
9507
9508         PR middle-end/16585
9509         * cfgbuild.c (make_edges): Do not clear or set
9510         current_function_has_computed_jump.
9511         * function.h (struct function): Remove the has_computed_jump field.
9512         (current_function_has_computed_jump): Do not define.
9513         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
9514         in a computed jump.  Ignore current_function_has_computed_jump.
9515
9516 2005-01-26  Richard Henderson  <rth@redhat.com>
9517
9518         PR middle-end/19515
9519         * expr.c (categorize_ctor_elements): New argument p_must_clear.
9520         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
9521         fully initialized.
9522         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
9523         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
9524         objects into static storage if they have more than one non-zero value.
9525         * tree.h (categorize_ctor_elements): Update decl.
9526
9527 2005-01-26  Steven Bosscher  <stevenb@suse.de>
9528
9529         PR middle-end/19616
9530         * tree.h (CALL_EXPR_TAILCALL): Add comment.
9531         * calls.c (check_sibcall_argument_overlap_1): Revert the change
9532         to this function from 2004-07-10.
9533         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
9534         the current function for tail call optimizations if the address
9535         of one of it its arguments is taken.
9536
9537 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
9538
9539         * cse.c (fold_rtx): Call equiv_constant only when necessary.
9540
9541 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
9542
9543         * function.c (expand_function_end): If current_function_calls_alloca,
9544         emit stack restore in a place that is reached when the function falls
9545         through at the end.
9546
9547 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
9548
9549         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
9550         rule to avoid matching inappropriate suffix rule.
9551
9552 2005-01-26  Jan Hubicka  <jh@suse.cz>
9553
9554         PR tree-optimization/19241
9555         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
9556
9557 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
9558
9559         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
9560         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
9561         of doubling.
9562         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
9563         <sim*>: Always use crt1.o, regardless of N in simN.
9564         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
9565         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
9566         (CRT_CALL_STATIC_FUNCTION): Remove.
9567         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
9568         use crt1.o, regardless of N in simN.
9569         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
9570         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
9571         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
9572         case isystem setting.
9573         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
9574
9575 2005-01-25  Ian Lance Taylor  <ian@airs.com>
9576
9577         * gimple-low.c (block_may_fallthru): Correct handling of
9578         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
9579
9580 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
9581
9582         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
9583         handlers to match indentation; nested under the mtune=* handler.
9584         Similar for mcpu= and march=.
9585
9586 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
9587
9588         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
9589         * config/mips/linux64.h (LIB_SPEC): Likewise.
9590         * config/mn10300/linux.h (LIB_SPEC): Likewise.
9591         * config/sh/linux.h (LIB_SPEC): Likewise.
9592
9593 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
9594
9595         * config/frv/frv.c (frv_legitimize_tls_address): New.
9596         (TARGET_HAVE_TLS): Define.
9597         (FRV_SYMBOL_REF_TLS_P): Define.
9598         (frv_override_options): Handle new register classes.
9599         (frv_legitimate_address_p): Reject tls addresses.
9600         (frv_legitimize_address): Handle TLS addresses.
9601         (gen_inlined_tls_plt): New.
9602         (gen_tlsmoff): New.
9603         (frv_legitimize_tls_address): New.
9604         (unspec_got_name): Add TLS entries.
9605         (got12_operand): Add R_FRV_TLSMOFF12 case.
9606         (frv_emit_move): Fixup TLS addresses.
9607         (frv_emit_movsi): Legitimize TLS addresses.
9608
9609         * config/frv/frv.h (MASK_BIG_TLS): New.
9610         (TARGET_BIG_TLS): New.
9611         (HAVE_AS_TLS): Define.
9612         (TARGET_SWITCHES): Add -mTLS and -mtls options.
9613         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
9614         (REG_CLASS_NAMES): Same.
9615         (REG_CLASS_CONTENTS): Same.
9616         (CONSTRAINT_LEN): New.
9617         (REG_CLASS_FROM_CONSTRAINT): New.
9618         (PREDICATE_CODES): Add symbolic_operand.
9619
9620         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
9621         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
9622         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
9623         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
9624         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
9625         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
9626         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
9627         GR9_REG, GR14_REG, LRREG.
9628         (type): Add load_or_call attribute.
9629         ("load_or_call"): New reservation.
9630         ("call_gettlsoff"): New.
9631         ("tls_indirect_call"): New.
9632         ("tls_load_gottlsoff12"): New.
9633         ("tlsoff_hilo"): New.
9634         ("tls_tlsdesc_ldd"): New.
9635         ("tls_tlsoff_ld"): New.
9636         ("tls_lddi"): New.
9637
9638         * config/frv/frv-protos.h (symbolic_operand): Protoize.
9639
9640         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
9641
9642         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
9643         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
9644         * config/frv/frv.c (TLS_BIAS): Define.
9645         (frv_output_dwarf_dtprel): New.
9646
9647 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
9648
9649         PR rtl-optimization/19579
9650         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
9651         both A and B, see if they don't clobber registers the other expr uses.
9652
9653 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
9654
9655         * real.c (do_add): Initialize signalling and canonical members.
9656
9657         * real.c (real_from_integer): Zero out destination.
9658
9659 2005-01-18  Jan Hubicka  <jh@suse.cz>
9660
9661         PR tree-optimize/19337
9662         * tree-inline.c (initialize_inlined_parameters): Copy
9663         saved_static_chain_decl only.
9664
9665 2005-01-25  Richard Henderson  <rth@redhat.com>
9666
9667         PR target/19556
9668         PR target/19584
9669         * config/i386/i386.c (x86_inter_unit_moves): Zero.
9670         (ix86_preferred_reload_class): Rewrite fp-constant section, with
9671         80387 enabled, to return a proper subclass.  Return the subset that
9672         overlaps with GENERAL_REGS for PLUS.
9673         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
9674
9675 2005-01-25  Richard Henderson  <rth@redhat.com>
9676
9677         PR middle-end/19609
9678         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
9679
9680 2005-01-25  Roger Sayle  <roger@eyesopen.com>
9681
9682         * expmed.c (choose_multiplier): Change interface to return the
9683         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
9684         (expand_divmod): Update calls to choose_multiplier.
9685
9686 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9687
9688         PR middle-end/19330
9689         * expmed.c (extract_bit_field): Use adjust_address instead of
9690         gen_lowpart when op0 is a MEM.
9691
9692 2005-01-24  Steven Bosscher  <stevenb@suse.de>
9693
9694         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
9695
9696 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
9697
9698         * config/mips/irix-csr.c: New file.
9699         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
9700         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
9701         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
9702         executables.
9703
9704 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
9705
9706         PR bootstrap/19364
9707         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
9708         sparc/elf.h, add sparc/sp-elf.h.
9709         (sparc-*-rtems*): Likewise.
9710         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
9711         tm-dwarf2.h, add sparc/sp-elf.h.
9712         (sparc86x-*-elf): Likewise.
9713         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
9714         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
9715         TARGET_OS_CPP_BUILTINS.
9716         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
9717         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
9718         Undefine it.
9719         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
9720         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
9721         (SWITCH_TAKES_ARG): Likewise.
9722         (LOCAL_LABEL_PREFIX): Likewise.
9723         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
9724         (TARGET_N_FORMAT_TYPES): Delete.
9725         (TARGET_FORMAT_TYPES): Likewise.
9726         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
9727         * config/sparc/elf.h: Delete.
9728         * config/sparc/sp-elf.h: New file.
9729
9730 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
9731
9732         * tree-flow-inline.h (phi_arg_from_edge): Remove.
9733         * tree-flow.h: Remove the corresponding prototype.
9734         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
9735         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
9736
9737 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
9738
9739         PR target/17751
9740         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
9741         for AIX ABI or ELF -fPIC.
9742         (rs6000_emit_load_toc_table): Don't create toc_section here.
9743         (rs6000_xcoff_file_start): Nor here.
9744
9745 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
9746
9747         * sh.c (ra.h): Don't #include.
9748         (hard_regs_intersect_p): New function, resurrected from ra.c.
9749
9750         * sh.c: Fix 1996 Copyright.
9751
9752 2005-01-24  Richard Henderson  <rth@redhat.com>
9753             Aldy Hernandez  <aldyh@redhat.com>
9754
9755         * regrename.c (note_sets): Handle subregs.
9756
9757 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
9758
9759         PR bootstrap/18058
9760         * genconditions.c (write_header, write_conditions): Elide file if
9761         not GCC >= 3.0.1.
9762
9763 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
9764
9765         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
9766         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
9767         Update copyright.
9768
9769 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
9770
9771         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
9772         expand_builtin_printf, expand_builtin_fprintf,
9773         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
9774         checking against POINTER_TYPE.
9775         (validate_arglist): Handle POINTER_TYPE code by checking
9776         POINTER_TYPE_P.
9777
9778 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
9779
9780         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
9781         init_rtlanal): New.
9782         (for_each_rtx): Call for_each_rtx_1.
9783         * rtl.h (init_rtlanal): Declare.
9784         * toplev.c (backend_init): Call init_rtlanal.
9785
9786 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
9787
9788         * flow.c (propagate_one_insn): Formatting.
9789
9790         PR middle-end/19551
9791         * flow.c (libcall_dead_p): Be more conservative if unsure.
9792         If there are any instructions between insn and call, see if they are
9793         all dead before saying the libcall is dead.
9794
9795 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
9796
9797         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
9798         operand constraint for operand 0.
9799
9800 2005-01-23  Richard Henderson  <rth@redhat.com>
9801
9802         PR 19486
9803         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
9804         edges leading to join block.
9805
9806 2005-01-23  Roger Sayle  <roger@eyesopen.com>
9807
9808         * expmed.c (expand_mult_highpart): Make static.  Change type of
9809         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
9810         (expand_divmod): Updates calls to expand_mult_highpart by using
9811         gen_int_mode to pass a CONST_INT rtx.
9812         * rtl.h (expand_mult_highpart): Remove prototype.
9813
9814 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
9815
9816         * flow.c (regset_bytes, regset_size): Remove.
9817
9818         * cfganal.c: Fix a reference to Harvey's paper.
9819
9820 2005-01-23  Steven Bosscher  <stevenb@suse.de>
9821
9822         PR rtl-optimization/19464
9823         * tree-optimize.c (init_tree_optimization_passes): Add one more
9824         copyrename pass just before out-of-ssa.
9825
9826 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
9827
9828         PR bootstrap/18058
9829         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
9830         * ggc-none.c (ggc_free): Define.
9831
9832 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
9833
9834         * cse.c (max_reg, max_insn_uid): Remove.
9835         (cse_main): Don't access max_reg or max_insn_uid.
9836
9837         * c-common.c (explicit_flag_signed_bitfields,
9838         lang_statement_code_p, lang_expand_function_end): Remove.
9839         * c-common.h: Remove the corresponding declarations.
9840         * c-opts.c (c_common_handle_option): Remove all write access
9841         to explicit_flag_signed_bitfields.
9842
9843         * cgraph.c (cgraph_varpool_n_nodes): Remove.
9844         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
9845         * cgraph.h: Remove the corresponding declaration.
9846
9847         * gcse.c (null_pointer_info): Remove.
9848
9849 2005-01-23  Roger Sayle  <roger@eyesopen.com>
9850             Eric Botcazou  <ebotcazou@libertysurf.fr>
9851
9852         * combine.c (simplify_logical): Only simplify logical expressions
9853         of the form ior(and(x,y),z) by the inverse distributive law if the
9854         result is cheaper than the original.
9855
9856 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
9857
9858         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
9859         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
9860         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
9861         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
9862         config/freebsd-spec.h, config/arm/arm.h,
9863         config/h8300/h8300.md, config/i386/i386.md,
9864         config/i386/predicates.md, config/i386/sse.md,
9865         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
9866         config/vax/vax.md: Fix comment typos.  Follow spelling
9867         conventions.
9868
9869 2005-01-23  Steven Bosscher  <stevenb@suse.de>
9870
9871         * gengtype.c (walk_type): Produce `not equal to' compares for loop
9872         tests, instead of `less than'.
9873
9874 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
9875
9876         * function.c (assign_parm_setup_block): When creating a new stack slot
9877         for a parameter, get its alignment from the parameter's DECL_ALIGN
9878         rather than the type's TYPE_ALIGN.  Make sure that the parameter
9879         is at least word aligned.
9880
9881 2005-01-22  Roger Sayle  <roger@eyesopen.com>
9882
9883         PR middle-end/19378
9884         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
9885
9886 2005-01-22  Richard Henderson  <rth@redhat.com>
9887
9888         PR target/19506
9889         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
9890         in both compare operands.
9891         (movdfcc_1_sse_max): Likewise.
9892         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
9893         (movdfcc_1_sse): Likewise.
9894         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
9895         scratch register as needed.
9896
9897 2005-01-22  Richard Henderson  <rth@redhat.com>
9898
9899         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
9900
9901         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
9902
9903 2005-01-22  Richard Henderson  <rth@redhat.com>
9904
9905         * genopinit.c (optabs): Use smin/smax for floating point too.
9906         * doc/md.texi: Update to match.  Clarify that floating point
9907         results are undefined for +0/-0 and NaN.
9908         * doc/rtl.texi: Likewise.
9909         * rtl.def (SMIN, SMAX): Likewise
9910         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
9911
9912         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
9913         leading 's' to the name.
9914         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
9915         smaxxf3, sminxf3): Likewise.
9916         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
9917         Likewise.
9918
9919 2005-01-22  Paul Brook  <paul@codesourcery.com>
9920
9921         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
9922
9923 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
9924
9925         * config/s390/s390.c (struct processor_costs): New fields
9926         dlgr, dlr, dr, dsgfr, dsgr.
9927         (z900_cost, z990_cost): Values for new fields.
9928         (s390_rtx_costs): New cases MEM und COMPARE in switch
9929         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
9930         DIV, MOD, UDIV, UMOD.
9931
9932 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
9933
9934         * config/s390/s390.md ("doloop_si64"): Reload input value directly
9935         into the register being decremented.
9936         ("doloop_si31", "doloop_di"): Likewise.
9937         ("*doloop_si_long"): Adapt pattern.
9938
9939 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
9940
9941         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
9942         access registers.
9943         (CLASS_MAX_NREGS): Likewise.
9944
9945 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
9946
9947         * doc/tree-ssa.texi (Statement Operands): Add example for new
9948         must-def macro. Note deprecation of old operands interface.
9949
9950 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
9951
9952         PR tree-optimization/19484
9953         * tree-cfg.c (remove_fallthru_edge): New function.
9954         (cleanup_control_flow): Remove fallthru edges from calls that are
9955         now known not to return.
9956
9957 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
9958
9959         Fix PR tree-optimization/19038
9960         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
9961         copies with loop variant ones.
9962
9963 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
9964
9965         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
9966         config/alpha/alpha-protos.h, config/alpha/alpha.h,
9967         config/alpha/alpha.md, config/alpha/predicates.md,
9968         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
9969         config/sparc/sol2.h: Update copyright.
9970
9971         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
9972         first label to see if it is a nonlocal label.
9973
9974 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
9975             Andrew Pinski  <pinskia@physics.uc.edu>
9976
9977         PR target/19491
9978         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
9979         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
9980
9981 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
9982
9983         * config/rs6000/rtems.h: Update copyright.
9984
9985 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
9986
9987         PR target/19548
9988         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
9989         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
9990         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
9991
9992 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9993
9994         PR c/18809
9995         * c-typeck.c (convert_arguments): Check for error_mark_node.
9996
9997 2005-01-21  Ian Lance Taylor  <ian@airs.com>
9998
9999         PR tree-optimization/13000
10000         * tree-inline.c: Include "tree-flow.h".
10001         (expand_call_inline): If warn_return_type, warn if non-void inline
10002         function falls through.
10003         * tree-cfg.c (execute_warn_function_return): Don't warn about
10004         control reaching end if TREE_NO_WARNING is set.  Set
10005         TREE_NO_WARNING.
10006         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
10007         has been lowered.
10008         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
10009         branch if we don't need one.
10010         * c-typeck.c: Include "tree-flow.h"
10011         (c_finish_bc_stmt): Don't add a goto if the current statement
10012         list doesn't fall through to the current point.
10013
10014 2005-01-21  Roger Sayle  <roger@eyesopen.com>
10015
10016         PR rtl-optimization/576
10017         * real.c (real_arithmetic): Change return type from void to bool
10018         to return an indication that the result may be inexact.
10019         * real.h (real_arithmeric): Update prototype.
10020         * fold-const.c (const_binop):  Don't constant fold floating
10021         point expressions when the user specifies -frounding-math and
10022         the result may depend upon the run-time rounding mode.
10023         (fold_convert_const_real_from_real): Clean-up.
10024         (fold_initializer): Ignore flag_rounding_math for initializers.
10025         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
10026         constant fold FP operations with flag_rounding_math if the
10027         result may depend upon the run-time rounding mode.
10028
10029 2005-01-21  Tom Tromey  <tromey@redhat.com>
10030
10031         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
10032
10033 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
10034
10035         * tree-cfg.c: Fix comment typos.
10036
10037 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
10038
10039         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
10040         around the call to rest_of_handle_branch_target_load_optimize.
10041
10042 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
10043
10044         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
10045         (sparc64-*-openbsd*): Likewise.
10046         (sparclite-*-elf*): Include tm-dwarf2.h.
10047         (sparc86x-*-elf*): Likewise.
10048         (sparc64-*-elf*): Likewise.
10049         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
10050         (DBX_DEBUGGING_INFO): Likewise.
10051         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
10052         (PREFERRED_DEBUGGING_TYPE): Likewise.
10053         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
10054         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
10055         (PREFERRED_DEBUGGING_TYPE): Likewise.
10056         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
10057         (PREFERRED_DEBUGGING_TYPE): Likewise.
10058         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
10059
10060 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
10061
10062         PR target/18701
10063         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
10064
10065 2005-01-20  Paul Brook  <paul@codesourcery.com>
10066
10067         * doc/rtl.texi: Document value extension requirements for CONST_INT.
10068
10069 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
10070
10071         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
10072         label is first in a sequence of labels.
10073
10074         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
10075
10076 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
10077             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
10078
10079         * doc/sourcebuild.texi (Test Directives): New.
10080
10081 2005-01-20  Roger Sayle  <roger@eyesopen.com>
10082
10083         * real.c (real_floor): Don't leave the result uninitialized when
10084         mode is VOIDMode, but return the unrounded intermediate value.
10085         (real_ceil): Likewise.
10086
10087 2005-01-20  Paul Brook  <paul@codesourcery.com>
10088
10089         * config/arm/arm.md (insv): Use gen_int_mode.
10090
10091 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
10092
10093         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
10094         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10095         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10096         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10097         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10098
10099 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
10100
10101         Fix PR debug/19124
10102         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
10103         fbreg, so we have to assume we can't.
10104         (loc_descriptor_from_tree_1): Ditto.
10105         (containing_function_has_frame_base): New function.
10106         (add_location_or_const_value_attribute): Use it.
10107         Also try to generate a frame_base from a single element location
10108         list.
10109
10110 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
10111
10112         PR tree-optimization/15349
10113         * timevar.def (TV_TREE_MERGE_PHI): New.
10114         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
10115         PHI_WANTED.
10116         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
10117         calls to tree_forwarder_block_p.
10118         (remove_forwarder_block_with_phi, merge_phi_nodes,
10119         gate_merge_phi, pass_merge_phi): New.
10120         * tree-optimize.c (init_tree_optimization_passes): Add
10121         pass_merge_phi.
10122         * tree-pass.h: Add an extern for pass_merge_phi;
10123
10124 2005-01-20  Richard Henderson  <rth@redhat.com>
10125
10126         PR target/19418
10127         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
10128         (_mm_castps_pd, _mm_castps_si128): New.
10129         (_mm_castsi128_ps, _mm_castsi128_pd): New.
10130
10131 2005-01-20  Richard Henderson  <rth@redhat.com>
10132
10133         PR target/19530
10134         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
10135         __builtin_ia32_vec_init_v2si.
10136         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
10137         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
10138         (ix86_init_mmx_sse_builtins): Create it.
10139         (ix86_expand_builtin): Expand it.
10140         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
10141         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
10142         (vec_extractv2si_0, vec_extractv2si_1): New.
10143
10144 2005-01-20  Richard Henderson  <rth@redhat.com>
10145
10146         PR target/16533
10147         * config/i386/i386.c (ix86_expand_push): New.
10148         * config/i386/mmx.md (push<MMXMODE>1): New.
10149         * config/i386/sse.md (push<SSEMODE>1): New.
10150         * config/i386/i386-protos.h: Update.
10151
10152 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
10153
10154         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
10155         copyright.
10156
10157 2005-01-20  Richard Henderson  <rth@redhat.com>
10158
10159         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
10160         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
10161
10162 2005-01-19  Richard Henderson  <rth@redhat.com>
10163
10164         PR target/19350
10165         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
10166         to V4SFmode in SSE1 fallback load path.
10167
10168 2005-01-19  Richard Henderson  <rth@redhat.com>
10169
10170         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
10171         in QImode expansion to ix86_expand_vector_set.
10172         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
10173
10174 2005-01-19  Richard Henderson  <rth@redhat.com>
10175
10176         PR target/19511
10177         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
10178         subclass of the input class.
10179         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
10180         Always true for cross-SSE1 classes.  Rationalize conditionals.
10181         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
10182         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
10183         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
10184         (movdi_2): Add MMX/SSE zeros.
10185         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
10186         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
10187         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
10188         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
10189         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
10190         (zero_extendsidi2_rex64_1): Remove.
10191         (MOV0 peephole): Check GENERAL_REG_P.
10192
10193 2005-01-19  Richard Henderson  <rth@redhat.com>
10194
10195         PR target/19427
10196         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
10197         shufps elements.
10198         (ix86_expand_vector_extract): Likewise.
10199
10200 2005-01-19  Richard Henderson  <rth@redhat.com>
10201
10202         PR middle-end/19304
10203         * expr.c (emit_move_change_mode): New argument force; use
10204         simplify_gen_subreg if true.
10205         (emit_move_via_alt_mode): Merge into ...
10206         (emit_move_via_integer): ... here.
10207         (emit_move_ccmode): Use emit_move_change_mode directly.
10208
10209 2005-01-19  Richard Henderson  <rth@redhat.com>
10210
10211         PR target/19518
10212         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
10213         (alpha_preferred_reload_class): Handle CONST_VECTOR.
10214         (alpha_emit_set_const_1): Add no_output parameter; don't emit
10215         rtl if true.
10216         (alpha_emit_set_const): Likewise.  Make static.
10217         (alpha_emit_set_long_const): Make static.
10218         (alpha_extract_integer): Split out from alpha_expand_mov.
10219         (alpha_split_const_mov): Likewise.
10220         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
10221         (alpha_legitimate_constant_p): New.
10222         * config/alpha/alpha-protos.h: Update.
10223         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
10224         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
10225         * config/alpha/alpha.md (movsi): Add n alternative.
10226         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
10227         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
10228         (splitters for all of the above): Use alpha_split_const_mov.
10229         * config/alpha/predicates.md (non_add_const_operand): New.
10230         (non_zero_const_operand): New.
10231         (input_operand): Use alpha_legitimate_constant_p after reload.
10232
10233 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
10234
10235         PR tree-optimization/19038
10236         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
10237         (add_candidate): Add ivs with increment in latch only if
10238         allow_ip_end_pos_p is true.
10239         (determine_iv_cost): Use empty_block_p.
10240
10241 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
10242
10243         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
10244         (compute_dominance_frontiers): Ditto.
10245
10246 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
10247
10248         PR target/19529
10249         * config/sh/t-rtems: New.
10250         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
10251
10252 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
10253
10254         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
10255         the offset of the selected field.
10256
10257 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
10258
10259         * tree-cfg.c (remove_forwarder_block): Fix the check to
10260         prevent a nonlocal label from appearing in the middle of a
10261         basic block.
10262
10263 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
10264
10265         PR rtl-optimization/19462
10266         * reorg.c (find_end_label): Create return insn only if
10267         current_function_epilogue_delay_list is empty.
10268
10269 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
10270
10271         * doc/passes.texi: Remove paragraph mentioning new-ra.
10272
10273 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
10274
10275         PR rtl-optimization/15139
10276         * combine.c: Include params.h.
10277         (count_rtxs): New function.
10278         (record_value_for_reg): If replace_rtx would replace at least
10279         2 occurrences of REG in VALUE and TEM is really large, replace REG with
10280         (clobber (const_int 0)) instead of TEM.
10281         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
10282         * params.h (MAX_LAST_VALUE_RTL): New.
10283         * Makefile.in (combine.o): Depend on $(PARAMS_H).
10284         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
10285
10286         PR c/17297
10287         * c-typeck.c (digest_init): Only call build_vector if all constructor
10288         elements are *_CST nodes.
10289         * gimplify.c (gimplify_init_constructor): Likewise.
10290
10291         PR middle-end/19164
10292         * c-typeck.c (digest_init): Only call build_vector if inside_init
10293         is a CONSTRUCTOR.
10294
10295 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
10296
10297         * toplev.c (init_asm_output): Remove dead #ifdef.
10298
10299 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
10300
10301         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
10302
10303 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
10304
10305         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
10306         accessing DECL_FUNCTION_CODE.
10307         * dojump.c (do_jump): Likewise.
10308         * gimplify.c (gimplify_call_expr): Likewise.
10309         * predict.c (expr_expected_value): Likewise.
10310         (strip_builtin_expect): Likewise.
10311         * tree-inline.c (estimate_num_insns_1): Likewise.
10312         * tree-ssa-loop-im.c (stmt_cost): Likewise
10313         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
10314         (tree_expr_nonnegative_p): Likewise.
10315
10316 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
10317
10318         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
10319         variant of the load_pcrel_sym pattern.
10320         * config/sparc/sparc.md (P macro): Move to the top.
10321         (load_pcrel_sym): Macroize using P.
10322         (save_register_window): Likewise.
10323
10324 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
10325
10326         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
10327         ("sordered"): Same.
10328
10329 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
10330
10331         PR C/19472
10332         * c-typeck.c (build_asm_expr): Strip nops off
10333         input memory operands.
10334
10335 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
10336
10337         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
10338         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
10339         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
10340         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
10341
10342 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
10343
10344         PR target/19379
10345         * config/i386/i386.c (override_options): If the 80387 is disabled,
10346         then do not return FP values using FP registers.
10347
10348 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
10349
10350         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
10351         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
10352         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
10353         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
10354         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
10355         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
10356         output.h, postreload-gcse.c, postreload.c, recog.c,
10357         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
10358         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
10359         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
10360         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
10361         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
10362         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
10363         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
10364         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
10365
10366         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
10367         config/alpha/alpha.c, config/arm/vfp.md,
10368         config/i386/emmintrin.h, config/i386/i386-modes.def,
10369         config/i386/i386-protos.h, config/i386/i386.h,
10370         config/i386/pmmintrin.h, config/i386/ppro.md,
10371         config/i386/predicates.md, config/i386/xmmintrin.h,
10372         config/i860/i860.c, config/ia64/ia64-modes.def,
10373         config/ia64/ia64-protos.h, config/ia64/ia64.h,
10374         config/ia64/ia64.md, config/ia64/itanium1.md,
10375         config/ia64/itanium2.md, config/ia64/predicates.md,
10376         config/iq2000/iq2000.h, config/mips/linux64.h,
10377         config/rs6000/aix41.h, config/rs6000/aix43.h,
10378         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
10379         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
10380         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
10381         config/sparc/linux64.h, config/sparc/litecoff.h,
10382         config/sparc/sp64-elf.h, config/sparc/sparc.c,
10383         config/sparc/sparc.h, config/sparc/sparc.md,
10384         config/sparc/sysv4-only.h: Update copyright.
10385
10386 2005-01-18  Richard Henderson  <rth@redhat.com>
10387
10388         PR target/19496
10389         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
10390
10391 2005-01-18  Marc Espie  <espie@openbsd.org>
10392         * config/i386/openbsdelf.h: Typo.
10393
10394 2005-01-18  Richard Henderson  <rth@redhat.com>
10395
10396         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
10397         special case for sse.
10398         * config/i386/predicates.md (sse_comparison_operator): Likewise.
10399
10400 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
10401
10402         * tree-inline.c (estimate_num_insns_1): Added cases for
10403         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
10404
10405 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
10406
10407         PR rtl-optimization/19296
10408         * combine.c (simplify_comparison): Rewrite the condition under
10409         which a non-paradoxical SUBREG of a PLUS can be lifted when
10410         compared against a constant.
10411
10412 2005-01-18  Andi Kleen <ak@muc.de>
10413
10414         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
10415         * c.opt (-Wpointer-sign): Add.
10416         * doc/invoke.texi: (-Wpointer-sign): Add.
10417
10418 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
10419
10420         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
10421         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
10422         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
10423         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
10424         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
10425         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
10426         for TARGET_MIX_SSE_I387.
10427         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
10428         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
10429         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
10430         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
10431         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
10432         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
10433         TARGET_MIX_SSE_I387.
10434         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
10435         from expander.
10436
10437 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
10438
10439         PR target/19424
10440         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
10441         Add movaps alternative for xmm reg->reg move.
10442
10443 2005-01-17  Jeff Law  <law@redhat.com>
10444
10445         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
10446         at the end of the main DOM loop rather than just before DOM exits.
10447
10448 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
10449
10450         PR tree-optimization/19121
10451         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
10452         adding aliases to a name tag, also add them to the pointer's
10453         type tag.
10454         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
10455         sensitive alias info at all.  Only check that the two pointers
10456         have compatible pointed-to sets.
10457         * tree-ssa.c (verify_name_tags): Verify that the alias set of
10458         a pointer's type tag is a superset of the alias set of the
10459         pointer's name tag.
10460
10461 2005-01-17  James E Wilson  <wilson@specifixinc.com>
10462
10463         PR target/19357
10464         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
10465         comment to document why.
10466
10467 2005-01-17  Richard Henderson  <rth@redhat.com>
10468
10469         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
10470         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
10471         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
10472         sse2_vmsminv2df3_finite): New.
10473         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
10474         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
10475         Force op1 into register.
10476
10477 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
10478
10479         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
10480         bubblestrap from always rebuilding build directory.
10481
10482 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
10483
10484         * config/s390/s390.md ("*clc"): Remove incorrect '='.
10485         ("*cmpmem_short"): Likewise.
10486
10487 2005-01-17  Steven Bosscher  <stevenb@suse.de>
10488
10489         * basic-block.h: Document BB_* flags.
10490         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
10491         use an sbitmap instead.
10492         * sched-rgn.c (compute_trg_info): Likewise.
10493
10494 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
10495
10496         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
10497         redundant target_cpu_default and extra_parts lines.  Use the default
10498         "from-abi" ISA.
10499         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
10500         (SUBTARGET_EXTRA_SPECS): Delete.
10501         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
10502         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
10503         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
10504         and "n32" for -mabi=n32.
10505
10506 2005-01-17  Ian Lance Taylor  <ian@airs.com>
10507
10508         PR c/5675
10509         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
10510         fold constant variables into initial values.
10511
10512 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
10513
10514         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
10515
10516         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
10517         through the statements backward.
10518
10519 2005-01-17  Ian Lance Taylor  <ian@airs.com>
10520
10521         PR middle-end/13127:
10522         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
10523         a variable set to the return value of the inlined function.
10524
10525 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
10526
10527         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
10528         when modes are tieable.
10529
10530 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
10531
10532         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
10533         of pthread_create to find out if threads are enabled.
10534         * gthr-posix95.h (__gthread_active_p): Likewise.
10535
10536 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
10537
10538         * common.opt (-fnew-ra): Remove.
10539         * ra*.*: Remove.
10540         * toplev.h (flag_new_regalloc): Remove.
10541         * Makefile.in (ra*.*): Don't mention.
10542         * passes.c (rest_of_handle_new_regalloc): Remove.
10543         (rest_of_handle_combine, rest_of_compilation): Always consider
10544         flag_new_regalloc as false.
10545         * doc/invoke.texi: Don't document -fnew-ra.
10546
10547 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
10548
10549         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
10550         last parameter to reg_scan.
10551         * loop.c (loop_optimize): Likewise.
10552         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
10553         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
10554         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
10555         rest_of_handle_gcse, rest_of_handle_loop_optimize,
10556         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
10557         * regclass.c (reg_scan): Likewise, for the declaration.
10558         * rtl.h (reg_scan): Likewise, for the prototype.
10559
10560 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
10561
10562         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
10563         mark_dfs_back_edges.
10564
10565 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
10566
10567         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
10568         (compute_avail): Uses don't go in tmp_gen.
10569
10570 2005-01-16  Steven Bosscher  <stevenb@suse.de>
10571
10572         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
10573         loop to look for a free slot in a page entry.
10574
10575 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10576
10577         PR target/16304
10578         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
10579         * toplev.c (compile_file): Call process_pending_assemble_output_defs
10580         just before targetm.asm_out.file_end.
10581         * tree.h (process_pending_assemble_output_defs): Declare.
10582         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
10583         New functions.
10584         (assemble_alias): Defer generation of assembly code for defines when
10585         TARGET_DEFERRED_OUTPUT_DEFS is true.
10586         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
10587         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
10588         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
10589
10590 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10591
10592         PR target/19336
10593         * pa.c (pa_scalar_mode_supported_p): New function.
10594         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10595         * pa.h (MIN_UNITS_PER_WORD): Add comment.
10596
10597         * pa-protos.h (prefetch_operand): Delete.
10598         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
10599         * pa.c (prefetch_operand): Delete.
10600         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
10601         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
10602         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
10603         and prefetch_nocc_operand.
10604         * pa.md (prefetch): Rework to avoid reload problems handling short
10605         displacements when a cache control completer needs to be provided.
10606         (prefetch_32, prefetch_64): Delete.
10607         (prefetch_cc, prefetch_nocc): New patterns.
10608
10609 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
10610
10611         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
10612
10613 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10614
10615         PR ada/19388
10616         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
10617         exceeds maximum alignment for global common data.
10618         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
10619         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
10620
10621 2004-01-15  Roger Sayle  <roger@eyesopen.com>
10622
10623         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
10624
10625 2004-01-15  Roger Sayle  <roger@eyesopen.com>
10626
10627         * harg-reg-set.h (reg_class_names): Prototype global array.
10628         * regclass.c (reg_class_names): Declare here and initialize to
10629         REG_CLASS_NAMES.
10630         (dump_regclass): Remove local declaration of reg_class_names.
10631         (regclass): Likewise.
10632         * cfg.c (dump_flow_info): Likewise.
10633         * ra-debug.c (reg_class_names): Likewise.
10634         * regrename.c (reg_class_names): Likewise.
10635         * reload.c (reg_class_names): Likewise.
10636         * reload1.c (spill_failure): Likewise.
10637         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
10638
10639 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
10640
10641         * config/s390/s390.md ("reload_outti"): Remove predicate for
10642         output operand.  Abort if operand is not a MEM.
10643         ("reload_outdi", "reload_outdf"): Likewise.
10644
10645 2005-01-15  Marc Espie  <espie@openbsd.org>
10646
10647         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
10648         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
10649         * config/openbsd.h:  Fix C++ includes for native configurations.
10650         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
10651         Add trampoline support.
10652         * config/i386/openbsdelf.h: New.
10653
10654 2005-01-15  Marc Espie  <espie@openbsd.org>
10655
10656         * collect2.c (main): Explicitly parse -dynamic-linker option.
10657
10658 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
10659
10660         PR tree-optimization/19060
10661         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
10662         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
10663         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
10664         and handle extract_range_from_cond returning false.
10665         * fold-const.c (fold): Optimize comparisons with min/max even for
10666         width > HOST_BITS_PER_WIDE_INT.
10667
10668 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
10669
10670         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
10671         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
10672         Remove little endian multilib variants.
10673         Add mips32 multilib variant.
10674
10675 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
10676
10677         * explow.c (copy_all_reg, stabilize): Remove.
10678         * expr.h: Remove the corresponding prototypes.
10679
10680         * rtlanal.c (regs_set_between_p): Remove.
10681         * rtl.h: Remove the corresponding prototype.
10682
10683 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
10684
10685         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
10686         to rs6000_nonimmediate_operand.
10687         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
10688         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
10689         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
10690         rs6000_nonimmediate_operand.
10691         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
10692         rs6000_nonimmediate_operand.
10693
10694 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
10695
10696         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
10697
10698 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
10699
10700         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
10701         on e500v2.
10702         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
10703         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
10704
10705         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
10706         (rs6k_nonimmediate_operand): New.
10707         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
10708         correctly.
10709         (legitimate_lo_sum_address_p): Same.
10710         (rs6000_legitimize_address): Same.
10711         (rs6000_legitimize_reload_address): Same.
10712         (rs6000_legitimate_address): Same.
10713         (spe_build_register_parallel): Pass DF and DC modes in a DI
10714         register.
10715
10716         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
10717         to rs6k_nonimmediate_operand.
10718
10719         * config/rs6000/spe.md ("*frob_df_di"): New.
10720         ("*frob_di_df"): New.
10721         ("*frob_di_df_2"): New.
10722         ("*mov_sidf_e500_subreg0"): New.
10723         ("*mov_sidf_e500_subreg4"): New.
10724         ("*movdf_e500_double"): Change predicate to
10725         rs6k_nonimmediate_operand.
10726
10727 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
10728
10729         * postreload.c (move2add_note_store): Only call
10730         trunc_int_for_mode on scalar integers.
10731
10732 2005-01-14  Steven Bosscher  <stevenb@suse.de>
10733
10734         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
10735         replace BB_VISITED uses.
10736         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
10737         (propagate_necessity): Check the bitmap instead of BB_VISITED.
10738         (tree_dce_done): Free visited_control_parents.
10739         (perform_tree_ssa_dce): Allocate and clear it.
10740         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
10741         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
10742         instead of BB_VISITED.
10743
10744 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
10745
10746         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
10747         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
10748         Remove unused prototypes.
10749
10750 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
10751
10752         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
10753         64-bit register usage.
10754         (spe_func_has_64bit_regs_p): Add FIXME note.
10755
10756 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
10757
10758         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
10759         flag_finite_math_only with flag_unsafe_math_optimizations.
10760
10761 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
10762
10763         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
10764         end-of-stack check.
10765         (__tpf_eh_return): Copy TPF private stack area from the module
10766         boundary stack frame.  Add check for when module addresses are
10767         equal, but no stub address is found.
10768
10769 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
10770
10771         PR target/7525
10772         * arm.h (struct machine_function): Add call_via field.
10773         (thumb_call_via_label): Declare.
10774         * arm.c (thumb_call_via_label): New variable.
10775         (thumb_call_reg_needed): New variable.
10776         (arm_output_function_epilogue): For Thumb code, output any per-function
10777         call-indirect trampolines.
10778         (thumb_call_via_reg): New function.
10779         (arm_file_end): New function.
10780         (TARGET_ASM_FILE_END): Call arm_file_end.
10781         (aof_file_end): Likewise.
10782         * arm-protos.h (thumb_call_via_reg): Declare.
10783         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
10784         thumb_call_via_reg in normal case.
10785
10786 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
10787
10788         PR middle-end/19084
10789         PR rtl-optimization/19348
10790         * recog.c (peephole2_optimize): Do global life update if some peephole
10791         decides it doesn't need at least one of its inputs and that change
10792         influences liveness at the start of the basic block.
10793
10794         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
10795         arguments instead of 1.
10796
10797 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
10798
10799         PR middle-end/18820
10800         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
10801         zero for nested functions needing a static chain or functions
10802         with a non-constant address.
10803
10804 2005-01-13  Roger Sayle  <roger@eyesopen.com>
10805
10806         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
10807         (and (sign_extend X) C) into (zero_extend (and X C)).
10808
10809 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
10810
10811         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
10812
10813 2005-01-13  Richard Henderson  <rth@redhat.com>
10814
10815         PR target/19009
10816         PR target/19250
10817         PR target/19252
10818         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
10819         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
10820         not just TARGET_SSE.
10821         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
10822         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
10823         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
10824         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
10825         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
10826         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
10827         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
10828         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
10829         (movdicc_c_rex64): Rename with '*'.
10830         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
10831         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
10832         (movsfcc_1_387): Rename from movsfcc_1.
10833         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
10834         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
10835         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
10836         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
10837         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
10838         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
10839         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
10840         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
10841         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
10842         sse_movdfcc_const0_4): Remove.
10843         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
10844         recognize min/max early.  Update for changed sse cmove patterns.
10845         (ix86_split_sse_movcc): New.
10846         * config/i386/i386-protos.h: Update.
10847
10848 2005-01-13  Steven Bosscher  <stevenb@suse.de>
10849
10850         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
10851         (fix_stmt_v_may_defs): Likewise.
10852
10853 2005-01-13  Richard Henderson  <rth@redhat.com>
10854
10855         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
10856         for converting the mask.
10857
10858 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
10859
10860         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
10861         definition to 600.
10862
10863 2005-01-13  Richard Henderson  <rth@redhat.com>
10864
10865         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
10866         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
10867         IX86_BUILTIN_MOVDQ2Q): Remove.
10868         (IX86_BUILTIN_VEC_EXT_V4SI): New.
10869         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
10870         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
10871         shuffling.
10872         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
10873         (sse2_pextrw): Fix immediate constraint.
10874         (sse2_loadq, sse2_loadq_rex64): Remove.
10875         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
10876         Use __builtin_ia32_vec_ext_<size>.
10877         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
10878
10879 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
10880
10881         * function.c (assign_parm_setup_block): Look inside original
10882         entry_parm when inspecting PARALLEL.
10883
10884 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
10885             Joel Sherrill  <joel@oarcorp.com>
10886
10887         PR target/19399
10888         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
10889         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
10890         rtems_gxx_recursive_mutex_init.
10891         (__gthread_recursive_mutex_lock): New function.
10892         (__gthread_recursive_mutex_trylock): Likewise.
10893         (__gthread_recursive_mutex_unlock): Likewise.
10894
10895 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
10896
10897         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
10898
10899 2005-01-13  Jan Beulich  <jbeulich@novell.com>
10900
10901         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
10902         (ashrti3_internal): Indicate output is early clobber. Generate result
10903         into output rather than first input. Use move for low word of output
10904         if shift count is exactly 64.
10905         (lshrti3_internal): Likewise.
10906
10907 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
10908
10909         PR target/18329
10910         PR target/18330
10911         * reload1.c (delete_output_reload): Don't delete an output reload
10912         if the pseudo lives longer than a single basic block.  Adjust and
10913         improve wording of comment.
10914
10915 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
10916
10917         PR target/19334
10918         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
10919         of TYPE_SIZE where we mean the number of bytes.
10920
10921 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
10922
10923         * function.c (assign_parm_setup_block): Relax condition on
10924         multi-register optimization.
10925
10926 2005-01-12  Nick Clifton  <nickc@redhat.com>
10927
10928         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
10929         an "in_delay_slot" attribute of "no" to prevent them being used in
10930         delay slots.  This is forbidden because they might generate
10931         exceptions.
10932
10933 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
10934
10935         PR target/19389
10936         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
10937         with r->Y and Y->r.
10938
10939 2005-01-12  Nick Clifton  <nickc@redhat.com>
10940
10941         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
10942         passed on to GAS) but do not define, as GAS no longer supports or
10943         needs the -m2000 option.
10944
10945 2005-01-11  Roger Sayle  <roger@eyesopen.com>
10946
10947         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
10948         type as args of unprototyped builtins aren't automatically promoted.
10949         (fold_builtin_abs): Likewise.
10950
10951 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10952
10953         * Makefile.in: Set a `build-warn' variable.
10954
10955 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
10956
10957         PR tree-optimization/17949
10958         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
10959         (find_interesting_uses_address): Use it.
10960
10961 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
10962
10963         * regrename.c (kill_value): Handle subreg's that won't simplify.
10964
10965 2005-01-11  Richard Henderson  <rth@redhat.com>
10966
10967         PR target/13366
10968         * config/i386/i386.h (enum ix86_builtins): Move ...
10969         * config/i386/i386.c: ... here.
10970         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
10971         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
10972         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
10973         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
10974         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
10975         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
10976         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
10977         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
10978         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
10979         IX86_BUILTIN_LOADDDUP): Remove.
10980         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
10981         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
10982         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
10983         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
10984         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
10985         (ix86_init_builtins): Make static.
10986         (ix86_init_mmx_sse_builtins): Update for changed builtins.
10987         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
10988         if all the modes match.  Otherwise, fake it.
10989         (get_element_number, ix86_expand_vec_init_builtin,
10990         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
10991         (ix86_expand_builtin): Make static.  Update for changed builtins.
10992         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
10993         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
10994         (ix86_expand_vector_init_duplicate): New.
10995         (ix86_expand_vector_init_low_nonzero): New.
10996         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
10997         Split out from ix86_expand_vector_init; handle integer modes.
10998         (ix86_expand_vector_init): Use them.
10999         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
11000         * config/i386/i386-protos.h: Update.
11001         * config/i386/predicates.md (reg_or_0_operand): New.
11002         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
11003         (movv2sf_internal): Likewise.  And a splitter to match them all.
11004         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
11005         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
11006         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
11007         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
11008         (mmx_pinsrw): Fix operand ordering.
11009         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
11010         rather than sse_loadss expander.
11011         (movv2df splitter): Similarly.
11012         (sse_loadss, sse_loadlss): Remove.
11013         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
11014         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
11015         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
11016         (sse3_movddup): Rename with '*'.
11017         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
11018         (sse2_loadsd): Remove.
11019         (vec_dupv2df_sse3): Rename from sse3_loadddup.
11020         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
11021         (sse2_pinsrw): Fix argument ordering.
11022         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
11023         (sse2_stored): Remove 'r' destination.
11024         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
11025         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
11026         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
11027         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
11028         vec_extractv16qi, vec_initv16qi): New.
11029
11030         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
11031         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
11032         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
11033         constructor form.
11034         (_mm_load_pd, _mm_store_pd): Use plain dereference.
11035         (_mm_load_si128, _mm_store_si128): Likewise.
11036         (_mm_load1_pd): Use _mm_set1_pd.
11037         (_mm_load_sd): Use _mm_set_sd.
11038         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
11039         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
11040         (_mm_set_epi64): Use _mm_set_epi64x.
11041         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
11042         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
11043         _mm_setr_epi8): Use _mm_set_foo form.
11044         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
11045         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
11046         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
11047         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
11048         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
11049         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
11050         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
11051         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
11052         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
11053         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
11054         (_mm_movedup_pd): Use _mm_shuffle_pd.
11055         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
11056         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
11057         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
11058         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
11059         Use _mm_setzero_ps.
11060         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
11061         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
11062         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
11063         (_mm_store_ps): Use raw dereference.
11064         (_mm_store1_ps): Use _mm_storeu_ps.
11065         (_mm_storer_ps): Use _mm_store_ps.
11066         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
11067         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
11068
11069 2005-01-11  Stan Shebs  <shebs@apple.com>
11070
11071         * config/rs6000/rs6000.c (machopic_output_stub): Issue
11072         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
11073
11074 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
11075
11076         PR target/18761
11077         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
11078         Skip all DECLs except for FIELD_DECLs.
11079
11080 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
11081
11082         * config/s390/s390.c (override_options): Return error if
11083         -mbackchain, -mpacked-stack and -mhard-float are used together.
11084         (s390_va_start): Remove the backchain && packed-stack special case.
11085         (s390_gimplify_va_arg): Likewise.
11086         * doc/invoke.texi: Remove the ABI incompatibility note.
11087
11088 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
11089
11090         * config/s390/s390.c (struct s390_frame_layout): Remove
11091         save_backchain_p.
11092         (s390_frame_info, s390_emit_prologue): Replace occurrences of
11093         save_backchain_p with TARGET_BACKCHAIN.
11094
11095 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
11096
11097         PR target/18916
11098         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
11099         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
11100         * function.c (locate_and_pad_parm): Set new field.
11101         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
11102         Tweak where_pad test to include "none".  Always set mem align for
11103         stack_parm.
11104         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
11105         not sufficient for type.
11106         (assign_parm_setup_block): If stack_parm is zero on entry, always
11107         make a new stack local.  Block move old stack parm if necessary
11108         to new aligned stack local.
11109         (assign_parm_setup_stack): Use a block move to handle
11110         potentially misaligned entry_parm.
11111         (assign_parms_unsplit_complex): Specify required alignment when
11112         creating stack local.
11113         * calls.c (compute_argument_addresses): Override alignment of stack
11114         arg calculated from its type with the alignment given by
11115         FUNCTION_ARG_BOUNDARY.
11116         (store_one_arg): Likewise.
11117
11118 2005-01-11  Jan Beulich  <jbeulich@novell.com>
11119
11120         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
11121         Change respective itanium_class attribute to ialu.
11122         (shladdp4_internal): New.
11123         * config/ia64/predicates.md (shladd_log2_operand): New.
11124
11125 2005-01-11  Richard Henderson  <rth@redhat.com>
11126
11127         * expr.c (store_constructor): Use rtvec_alloc instead of
11128         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
11129
11130 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
11131
11132         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
11133
11134 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
11135
11136         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
11137         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
11138         (TARGET_RWRELOC): Define.
11139         (ia64_rwreloc_section_type_flags): Delete.
11140         (ia64_section_type_flags): New function.
11141         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
11142         (TARGET_RWRELOC): Define.
11143
11144 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
11145
11146         PR target/18987
11147         * config/ia64/ia64.c (process_set): For alloc insn, only call
11148         process_epilogue is !frame_pointer_needed.
11149
11150 2005-01-10  Roger Sayle  <roger@eyesopen.com>
11151
11152         PR c++/19355
11153         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
11154         unary operator and can't be treated as a binary/comparison operator.
11155
11156 2005-01-10  Richard Henderson  <rth@redhat.com>
11157
11158         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
11159         (ix86_return_in_memory): Likewise.
11160         (function_arg_advance):  Likewise.  Mirror structure in function_arg
11161         for choosing register to advance.
11162
11163 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
11164
11165         * tree-vectorizer.c, tree.def: Fix comment typos.
11166
11167 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
11168
11169         * config/s390/s390.c (struct processor_costs): 4 new fields:
11170         ddbr, ddr, debr, der.
11171         (s390_rtx_costs): More precise handling of divide instructions.
11172
11173 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
11174
11175         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
11176
11177 2005-01-10  Jan Beulich  <jbeulich@novell.com>
11178
11179         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
11180         names resulting from -ffunction-sections/-fdata-sections and linkonce
11181         ones.
11182         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
11183         based on the section name. Rearrange the section name comparison logic
11184         slightly so that each section name is compared against at most once.
11185
11186 2005-01-10  Ben Elliston  <bje@au.ibm.com>
11187
11188         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
11189         targets for which -fPIC reduces limitations on the GOT size.
11190
11191 2005-01-09  Falk Hueffner  <falk@debian.org>
11192
11193         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
11194         X/C1 cmpop C2.
11195
11196 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
11197
11198         PR target/18720
11199         * collect2.c (main): Set aixrtl_flag for -brtl option.
11200         (resolve_lib_name): Search for .so file extension before .a
11201         if aixrtl_flag set.
11202
11203 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
11204
11205         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
11206         (vect_analyze_data_refs_alignment): Add dump prints.
11207
11208 2005-01-09  Ira Rosen  <irar@il.ibm.com>
11209
11210         * tree-vectorizer.c (vect_analyze_offset_expr): Use
11211         expr_invariant_in_loop_p.
11212         Initialize outputs first thing in the function.
11213         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
11214         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
11215         (vect_analyze_pointer_ref_access): Check that the initial condition of
11216         the access function is loop invariant.
11217
11218 2005-01-09  Richard Henderson  <rth@redhat.com>
11219
11220         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
11221         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
11222         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
11223         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
11224         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
11225         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
11226         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
11227         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
11228         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
11229         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
11230         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
11231         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
11232         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
11233         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
11234         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
11235         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
11236         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
11237         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
11238         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
11239         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
11240         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
11241         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
11242         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
11243         mmx_ prefix.
11244         (mmx_clrdi, pavgusb): Remove.
11245         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
11246         with leading sse_ prefix.
11247         * config/i386/sse.md: Receive them.
11248         * config/i386/mmx.md: New file.
11249         (MMXMODE12, MMXMODE24, mmxvecsize): New.
11250         (subrv2sf3): Turn into expander for normal subtraction.
11251         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
11252         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
11253         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
11254         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
11255         commutative; use ix86_binary_operator_ok.
11256         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
11257         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
11258         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
11259         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
11260         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
11261         Macroize from existing patterns; use ix86_binary_operator_ok.
11262         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
11263         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
11264         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
11265         with vec_select+vec_concat.
11266         (mmx_pshufw, mmx_pshufw_1): Likewise.
11267         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
11268         (mmx_uavgv4hi3): Model correctly.
11269         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
11270         _mm_xor_si64): Remove casts.
11271
11272 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
11273
11274         PR tree-optimization/19224
11275         * tree-scalar-evolution.c (get_instantiated_value,
11276         set_instantiated_value): New functions.
11277         (instantiate_parameters_1): Cache the results.
11278         (instantiate_parameters, resolve_mixers): Initialize and free
11279         the cache.
11280
11281 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
11282
11283         * config/i386/i386.md (addhi_4): Correct reference in comment.
11284         (addqi_4): Same.
11285
11286 2005-01-08  Richard Henderson  <rth@redhat.com>
11287
11288         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
11289         (_mm_cvtsi128_si64x): Likewise.
11290         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
11291         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
11292         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
11293         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
11294         * config/i386/i386-protos.h: Update.
11295         * config/i386/i386.c (print_operand): Add 'H'.
11296         (ix86_fixup_binary_operands): Split out from ...
11297         (ix86_expand_binary_operator): ... here.
11298         (ix86_fixup_binary_operands_no_copy): New.
11299         (ix86_expand_fp_absneg_operator): Handle vector mode results.
11300         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
11301         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
11302         (safe_vector_operand): Use CONST0_RTX.
11303         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
11304         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
11305         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
11306         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
11307         special cases.
11308         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
11309         (IX86_BUILTIN_CMPNGESS): New.
11310         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
11311         (attr type): Add sselog1.
11312         (attr unit, attr memory): Handle it.
11313         (movti, movti_internal, movti_rex64): Move near other integer moves.
11314         (movtf, movtf_internal): Move near other fp moves.
11315         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
11316         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
11317         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
11318         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
11319         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
11320         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
11321         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
11322         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
11323         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
11324         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
11325         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
11326         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
11327         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
11328         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
11329         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
11330         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
11331         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
11332         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
11333         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
11334         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
11335         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
11336         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
11337         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
11338         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
11339         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
11340         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
11341         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
11342         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
11343         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
11344         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
11345         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
11346         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
11347         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
11348         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
11349         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
11350         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
11351         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
11352         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
11353         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
11354         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
11355         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
11356         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
11357         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
11358         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
11359         same time.
11360         (SSEPUSH, push<SSEPUSH>): Remove.
11361         (MMXPUSH, push<MMXPUSH>): Remove.
11362         (sse_movaps, sse_movaps_1, sse_movups): Remove.
11363         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
11364         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
11365         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
11366         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
11367         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
11368         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
11369         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
11370         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
11371         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
11372         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
11373         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
11374         (ppro_sse_log_V4SF): Handle sselog1.
11375         * config/i386/predicates.md (const_0_to_1_operand): New.
11376         (const_0_to_255_mul_8_operand): New.
11377         (const_1_to_31_operand): Rename from const_int_1_31_operand.
11378         (const_2_to_3_operand, const_4_to_7_operand): New.
11379         * config/i386/sse.md: New file.
11380         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
11381         (sse_movups): Rename from sse_movups_1.
11382         (sse_loadlss): Rename from sse_loadss_1.
11383         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
11384         from the name.
11385         (negv4sf2): Use ix86_expand_fp_absneg_operator.
11386         (absv4sf2, negv2df, absv2df): New.
11387         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
11388         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
11389         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
11390         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
11391         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
11392         (sse3_addsubv4sf3): Model correctly.
11393         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
11394         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
11395         (sse_movhlps): Model with vec_select+vec_concat.
11396         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
11397         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
11398         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
11399         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
11400         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
11401         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
11402         sse2_pshufhw_1): Likewise.
11403         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
11404         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
11405         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
11406         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
11407         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
11408         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
11409         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
11410         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
11411         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
11412         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
11413         sminv8hi3): Mark commutative
11414         operands.  Use ix86_binary_operator_ok.
11415         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
11416         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
11417         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
11418         sse2_punpcklqdq): Allow operand2 in memory.
11419         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
11420         sse2_movsd): Add memory alternatives.
11421         (sse_storelps): Turn expander into an insn; split after reload.
11422         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
11423         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
11424
11425 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
11426
11427         * configure.ac (DWARF-2 debug_line): Use objdump.
11428         * configure: Regenerate.
11429
11430 2005-01-08  Jeff Law  <law@redhat.com>
11431             Diego Novillo  <dnovillo@redhat.com>
11432
11433         PR tree-optimization/18241
11434         * tree-nrv.c (tree_nrv): Ignore volatile return values.
11435         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
11436         statements with volatile operands.
11437         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
11438         operands after marking a statement with has_volatile_ops.
11439
11440 2005-01-08  Roger Sayle  <roger@eyesopen.com>
11441
11442         * tree.c (int_fits_type_p): Always honor integer constant
11443         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
11444
11445 2005-01-08  Roger Sayle  <roger@eyesopen.com>
11446
11447         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
11448         the latent bug in rtl_delete_block has been resolved.
11449
11450 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
11451
11452         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
11453         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
11454
11455 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
11456
11457         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
11458         library as @multilib_dir@/$(SHLIB_SONAME).
11459
11460 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
11461
11462         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
11463         * configure: Regenerate.
11464
11465 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
11466
11467         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
11468         TYPE_MODE.
11469
11470 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
11471
11472         PR target/13674
11473         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
11474         Convert non-word aligned offset address using ld/std into
11475         indirect address.
11476
11477 2005-01-07  Richard Henderson  <rth@redhat.com>
11478
11479         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
11480
11481 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
11482
11483         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
11484
11485 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
11486
11487         PR tree-optimization/19283
11488         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
11489         is not shorter than the original type.
11490
11491         PR rtl-optimization/19012
11492         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
11493
11494         PR rtl-optimization/18861
11495         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
11496         (FULL_STATE): Define.
11497         (mark_tablejump_edge): New function.
11498         (purge_dead_tablejump_edges): New function.
11499         (find_bb_boundaries): Use it.
11500
11501         PR tree-optimization/18828
11502         * builtins.c (expand_builtin_next_arg): Remove argument and all
11503         the argument checking.
11504         (expand_builtin): Adjust caller.
11505         (expand_builtin_va_start): Likewise.  Remove error for too many
11506         arguments.
11507         (fold_builtin_next_arg): Issue error for too many arguments.
11508         After checking arguments, replace them with magic arguments that
11509         prevent further checking of the args.
11510
11511 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11512
11513         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
11514
11515 2005-01-06  Roger Sayle  <roger@eyesopen.com>
11516
11517         PR target/6077
11518         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
11519         and %{.S:...} (and their negative variants) to test whether the
11520         input file is assembler or pre-processed-assembler independent of
11521         the actual filename extension.
11522
11523 2005-01-06  Roger Sayle  <roger@eyesopen.com>
11524
11525         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
11526         of sign or zero extended values.
11527
11528 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
11529
11530         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
11531         for IBM long double format correctly.
11532
11533 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
11534
11535         Fix PR tree-optimization/18792
11536
11537         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
11538         to first_loop_depth, and use loop depth instead of loop number.
11539         (build_classic_dir_vector): Ditto.
11540         (compute_data_dependences_for_loop): Use depth, not loop number.
11541         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
11542         number. Pass in loops, instead of loop numbers.
11543         (gather_interchange_stats): Ditto.
11544         (linear_transform_loops): Ditto.
11545
11546 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
11547
11548         PR rtl-opt/13299
11549         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
11550         biv_fits_mode_p, extension_within_bounds_p): New functions.
11551         (check_ext_dependent_givs): Use them.
11552
11553 2005-01-06  Roger Sayle  <roger@eyesopen.com>
11554
11555         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
11556         more than one barrier, in which case we should delete them all.
11557
11558 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
11559
11560         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
11561
11562 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
11563
11564         Fix PR middle-end/19286
11565         Fix PR debug/19267
11566         * dwarf2out.c (gen_subprogram_die): If we've already tried to
11567         output this subprogram, simply ignore this attempt to do it again.
11568         (add_abstract_origin_attribute): Don't abort trying to add the abstract
11569         origin attribute if it's not possible.
11570         (gen_block_die): Don't ignore subblocks of "unused" blocks.
11571         (decls_for_scope): Ditto.
11572         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
11573         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
11574
11575 2005-01-05  Richard Henderson  <rth@redhat.com>
11576
11577         PR target/11327
11578         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
11579         (bdesc_2arg): Use it.
11580         (ix86_expand_binop_builtin): Force operands into registers
11581         when optimizing.
11582         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
11583         ix86_expand_sse_compare, ix86_expand_sse_comi,
11584         ix86_expand_builtin): Likewise.
11585
11586 2005-01-05  Richard Henderson  <rth@redhat.com>
11587
11588         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
11589         and VEC_SELECT.
11590         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
11591         (mulv4hi3): Set itanium_class mmmul.
11592         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
11593         (fpack): Rename from fpack_sfsf.
11594
11595 2005-01-05  Richard Henderson  <rth@redhat.com>
11596
11597         PR rtl-opt/10692
11598         * reload1.c (do_input_reload): Restrict the optimization deleteing
11599         a previous output reload to RELOAD_FOR_INPUT.
11600
11601 2005-01-05  Steven Bosscher  <stevenb@suse.de>
11602
11603         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
11604         comment that we fall through after case.
11605         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
11606         (distribute_links): Likewise.
11607         * cse.c (cse_insn): Likewise.
11608         * cselib.c (cselib_invalidate_mem): Likewise.
11609         * df.c: Update comments at the top of the file.
11610         (read_modify_subreg_p): Update comments here too.
11611         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
11612         * flow.c (mark_set_1): Likewise.
11613         (mark_used_regs): Likewise.
11614         * gcse.c (mems_conflict_for_gcse_p): Likewise.
11615         (canon_list_insert): Likewise.
11616         (mark_set): Likewise.
11617         (try_replace_reg): Likewise.
11618         (store_killed_in_insn): Likewise.
11619         * loop.c (count_one_set): Likewise.
11620         (basic_induction_var): Likewise.
11621         * postreload-gcse.c (find_mem_conflicts): Likewise.
11622         * postreload.c (reload_combine_note_store): Likewise.
11623         (move2add_note_store): Likewise.
11624         * reload.c (find_equiv_reg): Likewise.
11625         (mark_referenced_resources): Likewise.
11626         * rtlanal.c (set_noop_p): Likewise.
11627         (note_stores): Likewise.
11628         (note_uses): Likewise.
11629         * sched-deps.c (sched_analyze_1): Likewise.
11630         * sched-rgn.c (check_live_1): Likewise.
11631         (update_live_1): Likewise.
11632         * config/i860/i860.c: Likewise.
11633
11634         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
11635         an lvalue.
11636         (ZERO_EXTRACT): Mention that this one can be an lvalue.
11637
11638         * doc/rtl.texi: Update documentation for bit-fields and SET.
11639
11640 2005-01-05  Roger Sayle  <roger@eyesopen.com>
11641
11642         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
11643
11644 2005-01-05  Jan Hubicka  <jh@suse.cz>
11645             Richard Henderson  <rth@redhat.com>
11646
11647         PR target/18910
11648         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
11649         with an offset.
11650
11651 2005-01-05  Richard Henderson  <rth@redhat.com>
11652
11653         PR target/12902
11654         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
11655         (sse_shufps): Change operand 3 to const_int_operand.
11656         (sse2_storelps): Fix typo in template.
11657         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
11658         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
11659         (ix86_expand_builtin): Likewise.
11660
11661 2005-01-05  Julian Brown  <julian@codesourcery.com>
11662
11663         * config/arm/arm.c (arm_return_in_memory): Treat complex types
11664         as aggregates for AAPCS ABIs.
11665
11666 2005-01-05  Stan Shebs  <shebs@apple.com>
11667
11668         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
11669         Mach-O getters if ppc64.
11670         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
11671         size argument.
11672         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
11673         signed four-byte field for global code case.
11674         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
11675
11676 2005-01-05  Roger Sayle  <roger@eyesopen.com>
11677
11678         PR middle-end/19100
11679         * c-common.c: Include real.h.
11680         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
11681         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
11682         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
11683         * Makefile.in (c-common.o): Update dependencies.
11684
11685 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
11686
11687         * c-parse.in (asm_string): Add trailing semicolon.
11688
11689 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
11690
11691         * c-parse.in (asm_string): New.  Don't allow wide strings in
11692         'asm'.
11693         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
11694         asm_string instead of STRING.
11695
11696 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
11697
11698         * c-typeck.c (constructor_no_implicit): Remove.
11699         (set_designator, process_init_element): Don't check
11700         constructor_no_implicit.
11701
11702 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
11703             Kaz Kojima  <kkojima@gcc.gnu.org>
11704
11705         PR target/16482
11706         * lcm.c (create_pre_exit): New.
11707         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
11708         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
11709
11710 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
11711
11712         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
11713         -msoft-float in target_float_switch.
11714         * arm.c (arm_override_options): Fix processing of target_float_switch.
11715
11716 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
11717
11718         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
11719         preferencing.
11720
11721 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
11722
11723         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
11724         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
11725
11726 2005-01-04  Roger Sayle  <roger@eyesopen.com>
11727
11728         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
11729         if deleting the then-block allows the test-block to fallthru to the
11730         else-block.
11731
11732 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
11733
11734         PR c/19152
11735         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
11736         after the full declaration if the are in two different TUs.
11737
11738 2005-01-04  Richard Henderson  <rth@redhat.com>
11739
11740         PR tree-opt/19158
11741         * tree-sra.c (generate_one_element_init): Just
11742         call gimplify_and_add.
11743         (generate_element_init): Record the
11744         new referenced variables and mark them for renaming
11745         and split out to ...
11746         (generate_element_init_1): This.
11747         (scalarize_init): Don't call push_gimplify_context/
11748         pop_gimplify_context.
11749
11750 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
11751
11752         * toplev.c (get_src_pwd): Handle failure of getpwd().
11753
11754 2005-01-04  Roger Sayle  <roger@eyesopen.com>
11755
11756         * fold-const.c (fold_single_bit_test): Delete unreachable handling
11757         of TRUTH_NOT_EXPR.
11758         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
11759         all the cases handled by it are inverted by invert_truthvalue.
11760
11761 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
11762
11763         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
11764         (save_register_windowsi): Likewise.
11765
11766 2005-01-04  Richard Henderson  <rth@redhat.com>
11767
11768         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
11769
11770 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
11771
11772         PR middle-end/17767
11773         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
11774         any simplifications of vector mode comparison operators.
11775         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
11776
11777 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
11778             Devang Patel  <dpatel@apple.com>
11779
11780         PR tree-optimization/18308
11781         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
11782         the operands before creating a new expression.
11783         * dojump.c (do_jump): Make drop_through_label available
11784         for all cases.  Add expansion of COND_EXPR.
11785
11786 2005-01-04  Ira Rosen  <irar@il.ibm.com>
11787
11788         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
11789         INTEGER_CST instead of TREE_CONSTANT.
11790         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
11791         instead of TREE_CONSTANT.
11792         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
11793         instead of TREE_CONSTANT.
11794
11795 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
11796
11797         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
11798
11799 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
11800
11801         PR target/19240
11802         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
11803         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
11804
11805 2005-01-03  Richard Henderson  <rth@redhat.com>
11806
11807         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
11808         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
11809         fold_convert_const_real_from_real): Split out from ...
11810         (fold_convert_const): ... here.
11811
11812 2005-01-03  Richard Henderson  <rth@redhat.com>
11813
11814         PR target/19235
11815         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
11816         (mov<MMXMODEI>_internal): Likewise.
11817         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
11818         Add V2SF case; use it for SSE1; don't use TI.
11819         (movdf_integer): Likewise.
11820         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
11821
11822 2005-01-03  Ira Rosen  <irar@il.ibm.com>
11823
11824         * tree-vectorizer.c (vect_strip_conversions): New function.
11825         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
11826         check for binary class.
11827
11828 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
11829
11830         Fix PR debug/17924
11831         Fix PR debug/19191
11832         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
11833         is a decl.
11834         * gimple-low.c (mark_blocks_with_used_vars): New function.
11835         (mark_blocks_with_used_subblocks): Ditto.
11836         (mark_used_blocks): Ditto.
11837         (pass_mark_used_blocks): New pass.
11838         * tree-inline.c: Include debug.h.
11839         (expand_call_inline): Call outlining_inline_function here.
11840         * tree-optimize.c (init_tree_optimization_passes): Add
11841         pass_mark_used_blocks.
11842         * tree-pass.h (pass_mark_used_blocks): New.
11843         * Makefile.in (tree-inline.o): Add debug.h dependency.
11844
11845 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
11846
11847         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
11848         VAR_DECLs to have weak_import attribute.
11849
11850         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
11851         'struct ucontext'.
11852
11853 2004-01-03  Steven Bosscher  <stevenb@suse.de>
11854
11855         * passes.c (rest_of_compilation): Don't run regmove if only
11856         flag_expensive_optimizations, require flag_regmove instead.
11857
11858 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
11859
11860         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
11861         register "sparc".
11862         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
11863         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
11864         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
11865         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
11866
11867 2005-01-03  Richard Henderson  <rth@redhat.com>
11868
11869         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
11870         (ia64_const_ok_for_letter_p): New.
11871         (ia64_const_double_ok_for_letter_p): New.
11872         (ia64_extra_constraint): New.
11873         (ia64_expand_vecint_compare): New.
11874         (ia64_expand_vcondu_v2si): New.
11875         (ia64_expand_vecint_cmov): New.
11876         (ia64_expand_vecint_minmax): New.
11877         (ia64_print_operand): Add 'v'.
11878         (ia64_preferred_reload_class): New.
11879         (ia64_vector_mode_supported_p): New.
11880         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
11881         (PREFERRED_RELOAD_CLASS): Move to function.
11882         (CONST_OK_FOR_LETTER_P): Move to function.
11883         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
11884         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
11885         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
11886         (EXTRA_CONSTRAINT): Move to function.
11887         * config/ia64/ia64.md: Include vect.md.
11888         (itanium_class): Add mmalua.
11889         (type): Handle it.
11890         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
11891         (1b_mmalua): New.
11892         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
11893         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
11894         CONST0_RTX.
11895         (const_int_2bit_operand): New.
11896         (fr_reg_or_0_operand): New.
11897         * config/ia64/ia64-modes.def: Add vector modes.
11898         * config/ia64/ia64-protos.h: Update.
11899         * config/ia64/vect.md: New file.
11900
11901 2005-01-03  Richard Henderson  <rth@redhat.com>
11902
11903         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
11904
11905 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
11906
11907         PR target/19236
11908         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
11909         to SFmode.
11910         (log1pdf2): Change mode of operands[0,1] to DFmode.
11911
11912 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
11913
11914         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
11915         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
11916         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
11917         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
11918         SPARC_RELAXED_ORDERING.
11919
11920 2005-01-03  Richard Henderson  <rth@redhat.com>
11921             Uros Bizjak  <uros@kss-loka.si>
11922
11923         PR target/14631
11924         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
11925         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
11926         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
11927         handling.
11928         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
11929         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
11930         const_pow2_1_to_128_operand): New predicates.
11931
11932 2005-01-02  Greg McGary  <greg@mcgary.org>
11933
11934         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
11935         anonymous decls.
11936         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
11937         object.  [ptr_type]: Remove unused variable.
11938         Remember nearest addressable array-element or record-component
11939         when checking bitfield components.  Tolerate empty BIND_EXPR.
11940
11941 2005-01-01  Richard Henderson  <rth@redhat.com>
11942
11943         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
11944         that don't narrow the value.  Fail for other conversions.
11945
11946 2005-01-01  Richard Henderson  <rth@redhat.com>
11947
11948         PR c/19031
11949         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
11950         * c-lang.c (finish_file): Don't do it here.
11951         * objc/objc-act.c (objc_finish_file): Likewise.
11952
11953         * cgraph.c (decl_assembler_name_equal): New.
11954         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
11955         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
11956         * cgraph.h (struct cgraph_varpool_node): Add next.
11957         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
11958         * varasm.c (assemble_alias): Mark the target as needed.
11959
11960 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
11961
11962         PR middle-end/19221
11963         * function.c (get_arg_pointer_save_area): Use entry_of_function
11964         instead of get_insns.
11965
11966 2005-01-01  Roger Sayle  <roger@eyesopen.com>
11967             Andrew Pinski  <pinskia@physics.uc.edu>
11968             James E. Wilson  <wilson@specifixinc.com>
11969
11970         PR rtl-optimization/12092
11971         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
11972         is zero.
11973
11974 2005-01-01  Roger Sayle  <roger@eyesopen.com>
11975             Olivier Hainque  <hainque@act-europe.fr>
11976
11977         * tree.c (int_fits_type_p): A narrower type always fits in a
11978         wider one, except for negative values into unsigned types.
11979
11980 2005-01-01  Roger Sayle  <roger@eyesopen.com>
11981
11982         * tree.c (int_fits_type_p): Compare the result of force_fit_type
11983         with the original constant rather than require TREE_OVERFLOW.
11984
11985 2005-01-01  Steven Bosscher  <stevenb@suse.de>
11986
11987         PR middle-end/17544
11988         * c-decl.c (finish_function): If compiling C99, annotate the
11989         compiler generated return with the current file name and line 0.
11990         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
11991         the source line is greater than 0.
11992         (remove_bb): Likewise.