* doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
[official-gcc.git] / gcc / ChangeLog
blob7a08b475a036844a15479c661980f34940ade7f6
1 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
3         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
4         refer to 4.0.
6 2005-04-14  Julian Brown  <julian@codesourcery.com>
8         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
9         link failures on ppc64 Linux.
11 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
13         * config.gcc: Set cpu_type for s390.
15 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
17         Fix PR tree-optimization/20963
18         * tree-ssa-pre.c (compute_avail): Remove special case for
19         TREE_INVARIANT. 
20         (create_expression_by_pieces): Add value numbers for forced out
21         statements.
23 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
25         * config/cris/cris.md: Replace references to (reg:SI 16) with
26         (reg:SI CRIS_SRP_REGNUM).
28 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
30         PR tree-optimization/20657
31         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
32         create an appropriate range from it.
34 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
36         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
37         <UNSPEC_FIST_CEIL> case.
39         * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
40         (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
41         (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
42         to implement lfloor and llfloor built-ins as x87 intrinsic function.
43         (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
44         (lfloor<mode>2): New expanders.
45         (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
46         (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
47         to implement lceil and llceil built-ins as x87 intrinsic function.
48         (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
49         (lceil<mode>2): New expanders.
51 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
53         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
54         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
56 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
58         PR target/20927
59         * config/s390/s390-modes.def: Define TFmode.
61 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
63         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
64         (JUMP_TABLES_IN_TEXT_SECTION): Define.
65         * config/mips/mips.c (mips16_insn_length): Remove reference to
66         JUMP_TABLES_IN_TEXT_SECTION.
68 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
70         * simplify-rtx.c (simplify_binary_operation_1): Return
71         scalar or vector of constant 0, depending on the xor's 
72         mode.
74 2005-04-13  Dale Johannesen  <dalej@apple.com>
76         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
77         (objc-act.o):  Ditto.
78         * objc/objc-act.c (objc_gimplify_expr):  New.
79         (objc_get_callee_fndecl):  New.
80         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
81         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
82         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
84 2005-04-13  Devang Patel  <dpatel@apple.com>
86         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
87         temp variables.
88         
89 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
91         CRIS prologue as RTL.
92         * config/cris/cris-protos.h (cris_emit_movem_store)
93         (cris_expand_prologue): Prototype.
94         * config/cris/cris.c (struct machine_function): New member
95         stdarg_regs.
96         (cfa_label_num, cris_target_asm_function_prologue): Remove.
97         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
98         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
99         (cris_load_multiple_op, cris_return_address_on_stack)
100         (cris_return_address_on_stack_for_return): ISO-Cify.
101         (cris_store_multiple_op): New predicate function.
102         (cris_expand_prologue, cris_emit_movem_store): New functions.
103         (cris_print_operand) <case 'O'>: Handle modifications other than
104         post-increment.
105         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
106         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
107         (cris_gen_movem_load): Rearrange slightly to make local variable
108         src a parameter, removing osrc.
109         (cris_setup_incoming_varargs): Set machine_function member
110         stdarg_regs to correspond to the number of registers that need to
111         be saved.
112         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
113         CRIS_UNSPEC_GOT.
114         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
115         cris_general_operand_or_gotless_symbol accept UNSPEC.
116         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
117         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
118         ("*cris_store_multiple"): New pattern.  Tweak common comment above
119         this and "*cris_load_multiple".
120         ("prologue"): New define_expand.
122         * config/cris/cris.md ("epilogue"): Conditionalize on
123         TARGET_PROLOGUE_EPILOGUE.
125 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
127         PR target/20924
128         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
129         fpsr 0 instead of fpsr 1.
130         (divsf3_internal_thr): Ditto.
131         (divdf3_internal_lat): Ditto.
132         (divdf3_internal_thr): Ditto.
133         (divxf3_internal_lat): Ditto.
134         (divxf3_internal_thr): Ditto.
136 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
138         PR tree-optimization/20913
139         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
141         PR tree-optimization/20702
142         * tree-vrp.c (maybe_add_assert_expr): Recurse into
143         dominator children that haven't been walked into.
145 2005-04-13  Julian Brown  <julian@codesourcery.com>
147         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
148         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
149         is true. 
151 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
153         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
154         config/i386/sse.md: Fix comment typos.
156         * genattrtab.c (NULL_ATTR): Remove.
157         * ifcvt.c (NULL_EDGE): Likewise.
159         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
161         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
162         NOTE_PREDICT): Remove.
164 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
166         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
167         * configure: Regenerate.
168         * config.in: Likewise.
169         * system.h: Declare vsnprintf if not already declared.
171 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
173         * optc-gen.awk: Handle stand-alone Mask records.
174         * opth-gen.awk: Likewise.
175         * doc/options.texi (Option file format): Document them.
176         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
177         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
178         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
179         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
180         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
181         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
182         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
183         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
184         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
185         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
186         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
187         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
188         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
189         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
190         TARGET_LONG_DOUBLE_128): Likewise.
191         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
192         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
193         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
194         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
195         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
196         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
197         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
198         * config/sparc/sparc.c (fpu_option_set): New global.
199         (sparc_handle_option): New function.
200         (sparc_override_options): Test fpu_option_set.
201         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
202         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
203         * config/sparc/sparc.opt: New file.
204         * config/sparc/little-endian.opt: Likewise.
205         * config/sparc/long-double-switch.opt: Likewise.
207 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
209         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
210         (bfin_handle_options): Set it if -mshared-library-id= is seen.
211         * config/bfin/bfin.opt (mshared-library-id=): Lose
212         Var(bfin_lib_id_given).
214 2005-04-13  Matt Thomas  <matt@3am-software.com>
216         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
217         defining.
219 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
221         * rtl.h (CLEAR_RTX_FLAGS): Remove.
223         * cgraphunit.c (INSNS_PER_CALL): Remove.
225         * tree-ssa-forwprop.c (vars,
226         record_single_argument_cond_exprs,
227         substitute_single_use_vars): Remove.
228         (forward_propagate_into_cond_1, forward_propagate_into_cond):
229         New.
230         (tree_ssa_forward_propagate_single_use_vars): Call
231         forward_propagate_into_cond for each COND_EXPR.
233         * tree-inline.c (INSNS_PER_STMT): Remove.
235 2005-04-12  Richard Henderson  <rth@redhat.com>
237         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
238         (ix86_expand_sse_fp_minmax): ... from ... 
239         (ix86_expand_fp_movcc): ... here.
240         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
241         * config/i386/i386-protos.h: Update.
242         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
243         (sse_setccsf, sse_setccdf): Allow before reload.
244         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
245         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
246         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
247         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
248         (anddf3, nanddf3, iordf3, xordf3): New.
250 2005-04-12  Jeff Law  <law@redhat.com>
252         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
253         (tree-ssa-uncprop.o): Add dependencies.
254         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
255         * tree-flow.h (remove_useless_stmts): Remove prototype.
256         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
257         remove_useless_stmts.
258         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
259         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
260         * tree-pass.h (pass_uncprop): Declare.
261         * tree-ssa-uncprop.c: New file.
263 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
265         PR target/20670
266         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
268 2005-04-12  Caroline Tice  <ctice@apple.com>
270         Temporary fix for partitioning problems.
271         * passes.c (rest_of_handle_final): Remove code that 
272         frees unlikely_text_section_name,
273         * varasm.c (assemble_start_function): Test for partitioning
274         flag before writing out section labels.
275         (assemble_end_function): Test for partitioning flag before
276         writing out section labels.
277         
278 2005-04-12  Steven Bosscher  <stevenb@suse.de>
279             Stuart Hastings <stuart@apple.com>
280             Jan Hubicka  <jh@suse.cz>
282         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
283         references to gt-tree-cfg.h.
284         * basic-block.h (struct basic_block_def): Don't skip rbi
285         for garbage collection.
286         (struct reorder_block_def): Make GTY-able.
287         (struct control_flow_graph): New structure.
288         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
289         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
290         but instead defines to the control_flow_graph for cfun.
291         (label_to_block_map): New define, points to the label map of
292         the control_flow_graph for cfun.
293         (n_edges_for_function, n_basic_blocks_for_function,
294         last_basic_block_for_function, basic_block_info_for_function,
295         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
296         basic_block_info_for_function, label_to_block_map_for_function):
297         Counterparts for the above, taking a struct function as an extra
298         argument.
299         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
300         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
301         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
302         (alloc_rbi_pool, free_rbi_pool): Remove.
303         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
304         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
305         here...
306         (cfg_layout_finalize) ... and don't free it here.
307         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
308         garbage collected.
309         * flow.c (free_basic_block_vars): Set label_to_block_map and
310         n_edges to zero too.
311         * function.h (struct function): Add cfg field.
312         * function.c (allocate_struct_function): Allocate the cfg.
313         * tree-cfg.c (label_to_block_map): Remove.
314         (build_tree_cfg): Don't allocate the rbi pool here...
315         (delete_tree_cfg_annotations): ...and don't free it here.
316         Also don't nullify label_to_block_map for cfun.
318 2005-04-12  Caroline Tice  <ctice@apple.com>
320         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
321         Revert my patch from April 9.
322         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
323         (reorder_basic_blocks): Revert my patch from April 9.
324         (insert_section_boundary_note): Revert my patch from April 9.
325         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
326         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
327         (COLD_END_LABEL):  Revert my patch from April 9.
328         (cold_text_section_label):  Revert my patch from April 9.
329         (cold_end_label): Revert my patch from April 9.
330         (dwarf2out_switch_text_section): Revert my patch from April 9.
331         (output_aranges): Revert my patch from April 9.
332         (output_ranges):  Revert my patch from April 9.
333         (output_line_info): Revert my patch from April 9.
334         (add_location_or_const_value_attribute):  Revert my patch from April 9.
335         (dwarf2out_var_location): Revert my patch from April 9.
336         (dwarf2out_init):  Revert my patch from April 9.
337         (dwarf2out_finish): Revert my patch from April 9.
338         * function.h (struct function): Revert my patch from April 9.
339         * opts.c (decode_options): Revert my patch from April 9.
340         * output.h (unlikely_section_label, hot_section_label,
341         hot_section_end_label, cold_section_end_label, 
342         unlikely_text_section_name): Revert my patch from April 9.
343         * passes.c (rest_of_handle_final): Revert my patch from April 9.
344         * varasm.c (unlikely_section_label, hot_section_label,
345         hot_section_end_label, cold_section_end_label,
346         unlikely_text_section_name): Revert my patch from April 9.
347         (initialize_cold_section_name): Revert my patch from April 9.
348         (unlikely_text_section): Revert my patch from April 9.
349         (in_unlikely_text_section): Revert my patch from April 9.
350         (named_section): Revert my patch from April 9.
351         (function_section): Revert my patch from April 9.
352         (current_function_section): Revert my patch from April 9.
353         (assemble_start_function): Revert my patch from April 9.
354         (assemble_end_function): Revert my patch from April 9.
355         (default_section_type_flags_1): Revert my patch from April 9.
356         
357 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
359         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
360         * config/sparc/sparc.md (untyped_call): Save the registers manually.
362         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
364 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
366         PR middle-end/20917
367         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
368         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
370 2004-04-12  Richard Henderson  <rth@redhat.com>
372         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
373         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
374         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
375         (UNSPEC_*, UNSPECV_*): Renumber.
377 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
379         PR mudflap/19266
380         From Richard Henderson <rth@redhat.com>:
381         * tree-mudflap.c (mf_build_check_statement_for): Correct block
382         splitting logic.
384 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
386         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
388 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
390         * config/bfin/bfin.c (bfin_library_id_string): Remove.
391         (bfin_library_id): New variable.
392         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
393         instead of bfin_library_id_string.
394         (bfin_handle_option): New function.
395         (override_options): Remove most code to deal with shared library IDs,
396         just check they aren't used without -mid-shared-library.
397         (TARGET_HANDLE_OPTION): Define.
398         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
399         * config/bfin/bfin.opt (mshared-library-id=): New.
401 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
403         * tree-vect-transform.c: Fix comment typos.
405 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
407         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
408         split critical edges when not possible/profitable.
410 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
412         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
413         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
414         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
415         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
416         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
417         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
418         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
419         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
420         MASK_NO_BITFIELD.
421         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
422         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
423         * config/ns32k/ns32k.opt: New file.
425 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
427         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
428         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
429         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
430         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
431         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
432         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
433         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
434         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
435         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
436         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
437         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
438         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
439         (MASK_COLDFIRE): Formatting fixes.
440         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
441         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
442         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
443         "_current_shared_library_a5_offset_".
444         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
445         (MASK_ALL_CPU_BITS): New macro.
446         (m68k_handle_option): New function.
447         (override_options): Remove handling of m68k_library_id_string.
448         * config/m68k/m68k.opt: New file.
449         * config/m68k/ieee.opt: New file.
451 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
453         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
454         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
455         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
456         (TARGET_CXX): Adjust accordingly.
457         * target.h (struct gcc_target): Remove epxort_class_data.  Add
458         determine_class_data_visibility and class_data_always_comdat.
459         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
460         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
461         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
462         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
463         (arm_cxx_determine_class_data_visibility): New.
464         (arm_cxx_class_data_always_comdat): Likewise.
465         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
466         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
467         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
468         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
469         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
470         Define.
472 2005-04-11  Devang Patel  <dpatel@apple.com>
474         * tree-data-ref.c (build_classic_dist_vector,
475         compute_subscript_distance): Make externally visible.
476         * tree-data-ref.h (build_classic_dist_vector,
477         compute_subscript_distance): Same.
478         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
479         Check distance vector against vectorization factor.
480         (vect_analyze_loop): Determine vectorizaion factor before
481         analyzing data dependences.
482         * tree-vectorizer.c (loops_num): Make it externally visible and
483         rename ...
484         * tree-vectorizer.c (vect_loops_num): ... new name.
485         * tree-vectorizer.h  (vect_loops_num): New.
487 2005-04-11  Devang Patel  <dpatel@apple.com>
489         * tree-vect-analyze.c (vect_analyze_operations): Check
490         vectorizable codition.
491         * tree-vect-transform.c (vect_is_simple_cond): New function.
492         (vectorizable_condition): New function.
493         (vect_transform_stmt): Handle condition_vec_info_type.
494         * tree-vectorizer.h (enum stmt_vec_info_type): Add
495         condition_vec_info_type.
496         (vectorizable_condition): New.
497         
498 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
500         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
501         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
502         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
504         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
505         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
507         * dwarf2out.c (output_line_info): Don't try to dereference
508         a NULL current_function_decl.
510         * config/t-slibgcc-darwin: Don't put shared libraries in
511         directories other than $(slibdir).
512         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
513         OS uses for it.
515 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
517         PR tree-optimization/20933
518         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
519         logic to reject aliases between read-only and writable
520         variables ...
521         (may_alias_p): ... here.
522         (get_tmt_for): Do not associate read-only tags to pointers
523         whose pointed-to type is not read-only.
524         * tree-ssa.c (verify_ssa): Check that memory stores have at
525         least one V_MAY_DEF or V_MUST_DEF.
527 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
529         PR/17092
530         * configure.ac (gcc_UNLOCKED_FUNCS): New.
531         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
532         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
533         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
534         _unlocked function.
535         (fwrite_unlocked): Fix prototype.
536         
537         * configure, config.in: Regenerate.
539 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
541         * tree-ssa-loop-im.c: Include real.h.
542         (determine_invariantness_stmt): If real division divisor is
543         invariant and flag_unsafe_math_optimizations enabled, generate
544         invariant reciprocal for hoisting.
545         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
547 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
549         Fix PR tree-optimization/20926
550         
551         * tree-ssa-alias.c (add_type_alias): Handle subvars.
552         
553 2005-04-11  Devang Patel  <dpatel@apple.com>
555         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
556         operand ordering.
557         
558 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
560         * fold-const.c (fold_binary_op_with_conditional_arg):
561         use fold_buildN instead of "fold (buildN" in some
562         non obvious places.
563         (fold_unary): Likewise.
564         (fold_binary): Likewise.
566 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
567         
568         Fix PR tree-optimization/20612
569         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
570         handling
571         (perfect_nestify): preheaderbb is *not* part of loop of the
572         old destination.
574 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
576         * tree-ssa-alias.c (may_alias_p): If the variable
577         is a global variable and the pointer is parameter
578         and -fargument-noalias-global is used, then
579         the pointer cannot alias the variable.
581 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
583         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
584         * config/sparc/sparc.h: Likewise.
585         * config/sparc/sparc.md: Likewise.
587 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
589         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
591         * tree-vrp.c: Fix a comment typo.
593 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
595         PR tree-optimization/20920
596         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
597         SSA_NAME flows through an abnormal edge.
598         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
599         through abnormal edges.
600         (maybe_add_assert_expr): Likewise.
602 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
604         * config/s390/s390.h (s390_tune_string, s390_arch_string)
605         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
606         (s390_stack_size_string, s390_stack_guard_string, target_flags)
607         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
608         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
609         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
610         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
611         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
612         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
613         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
614         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
615         (TARGET_HANDLE_OPTION): Likewise.
616         (s390_tune): Initialize to PROCESSOR_max.
617         (s390_arch_string): Make static.
618         (s390_tune_string, s390_warn_framesize_string): Delete.
619         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
620         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
621         (s390_handle_arch_option, s390_handle_option): New functions.
622         (override_options): Remove parsing of option strings.
623         * config/s390/s390.opt: New file.
625 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
627         * tree-complex.c (expand_vector_operations): Call
628         update_stmt_if_modified.
630 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
632         * tree-vect-analyze (vect_determine_vectorization_factor):
633         Do not use GET_MODE_NUNITS.
634         * tree-vect-transform.c (vect_get_vec_def_for_operand,
635         (vectorizable_load, vect_transform_loop): Likewise.
637 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
639         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
640         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
641         * optabs.h (enum optab_index): Add new OTI_lceil.
642         (lceil_optab): Define corresponding macro.
643         * optabs.c (init_optabs): Initialize lceil_optab.
644         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
645         and lceildi2 patterns.
646         * builtins.c (expand_builtin_int_roundingfn): Handle
647         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
648         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
649         BUILT_IN_LLCEIL{,F,L}.
650         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
651         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
652         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
653         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
654         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
655         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
656         into lceil built-in function and (long long int)ceil{,f,l} into
657         llceil built-in function.
658         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
659         BUILT_IN_LLCEIL.
661 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
663         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
664         zero.
666 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
668         * config/arm/arm.c: Fix a comment typo.
669         * doc/tree-ssa.texi: Fix a typo.
671 2005-04-10  Steven Bosscher  <stevenb@suse.de>
673         * cselib.c (clear_table): Rename to cselib_clear_table.
674         * cselib.h (cselib_clear_table): Add prototype.
675         * gcse.c (gcse_main): Make 'f' argument unused.
676         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
677         of each basic block instead.
678         (compute_sets, compute_hash_table_work): Likewise.
679         (constprop_register): Change int 'alter_jumps' argument to bool.
680         (do_local_cprop): Likewise.
681         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
682         the insn chain.  Explicitly clear the cselib tables after finishing
683         one basic block.  Make sure there are no unterminated libcall blocks.
684         Update compute_sets call.
685         (cprop): Walk basic blocks instead of the insn chain.
686         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
687         Likewise.
688         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
689         one_cprop_pass calls.
691 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
693         * combine.c (combine_simplify_rtx): Remove a transformation that
694         relies on an invalid assumption about rtl sign-extension semantics.
696 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
698         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
699         to build_int_cst_wide.
701 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
703         PR target/20126
704         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
705         set the original address pseudo to the correct value before the
706         original insn, if possible, and leave the insn alone, otherwise
707         create a new pseudo, set it and replace it in the insn.
708         * recog.c (validate_change_maybe_volatile): New.
709         * recog.h (validate_change_maybe_volatile): Declare.
711 2005-04-09  Caroline Tice  <ctice@apple.com>
713         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
714         Remove targetm.have_named_sections test.
715         (fix_edges_for_rarely_executed_code): Likewise.
716         (insert_section_boundary_note): Likewise.
717         (reorder_basic_blocks): Check partitioning flag before calling
718         verify_hot_cold_block_grouping.
719         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
720         the function struct rather than global variables.
721         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
722         (COLD_END_LABEL): Likewise
723         (cold_text_section_label): New static global variable.
724         (cold_end_label): Likewise.
725         (dwarf2out_switch_text_section): Get hot/cold section labels from
726         the function struct rather than global variables.
727         (output_aranges): Use cold_text_section_label and cold_end_label;
728         check partitioning flag before putting out delta.
729         (output_ranges): Remove incorrect code attempting to use
730         hot/cold labels.
731         (output_line_info): Get cold section label from function struct.
732         (add_location_or_const_value_attribute): Likewise.
733         (get_subprogram_die): Get hot/cold section labels from function struct.
734         (dwarf2out_var_location): Likewise.
735         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
736         write out cold_text_section_label if partition flag is set.
737         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
738         * function.h (struct function): Add new fields to point to hot/cold
739         section labels: hot_section_label, cold_section_label,
740         hot_section_end_label and cold_section_end_label; also add new field
741         for cold text section name, unlikely_text_section_name.
742         * opts.c (decode_options): Turn off partitioning flag if
743         !targetm.have_named_sections.
744         * output.h (hot_section_label): Remove.
745         (hot_section_end_label): Remove.
746         (cold_section_end_label): Remove.
747         (unlikely_section_label): Remove.
748         (unlikely_text_section_name): Remove.
749         * passes.c (rest_of_handle_final):  Remove code that frees
750         unlikely_text_section_name.
751         * varasm.c (unlikely_section_label): Remove.
752         (hot_section_label): Remove.
753         (hot_section_end_label): Remove.
754         (cold_section_end_label): Remove.
755         (unlikely_text_section_name):  Remove.
756         (initialize_cold_section_name): Modify to call
757         targetm.strip_name_encoding; to store cold section name in current
758         function struct, if it exists; and to only use the decl_section_name
759         if flag_named_sections is true.
760         (unlikely_text_section): Modify to get section name out of current
761         function struct, if there is one; otherwise build it from
762         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
763         (in_unlikely_text_section): Likewise.
764         (named_section): Modify to get/put cold section name in current function
765         struct, if there is one.
766         (function_section):  Change 'bool unlikely' to 'int reloc'; check
767         targetm.have_named_sections before calling named_section.
768         (current_function_section): Likewise.
769         (assemble_start_function): Modify to get/put unlikely_text_section_name
770         in current function struct; modify to get hot/cold section labels
771         from function struct; initialize labels using 
772         ASM_GENERATE_INTERNAL_LABEL;
773         test partitioning flag before writing out hot section label.
774         (assemble_end_function): Test partitioning flag before writing out
775         hot/cold section labels.
776         (default_section_type_flags_1):  Modify to use array instead of
777          char* for unlikely_text_section_name; set flags correctly for
778          cold text section if there is not a current function decl.
780 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
782         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
783         and TI_VA_LIST_FPR_COUNTER_FIELD.
784         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
785         * tree-pass.h (pass_stdarg): Add.
786         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
787         * tree-stdarg.c: New file.
788         * tree-stdarg.h: New file.
789         * Makefile.in (OBJS-common): Add tree-stdarg.o.
790         (tree-stdarg.o): Add dependencies.
791         * function.h (struct function): Add va_list_gpr_size and
792         va_list_fpr_size fields.
793         * function.c (allocate_struct_function): Initialize them.
794         * target.h (struct gcc_target): Add stdarg_optimize_hook.
795         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
796         (TARGET_INITIALIZER): Add it.
798         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
799         va_list_{g,f}pr_counter_field.
800         (ix86_setup_incoming_varargs): Don't do anything if reg_save
801         area will not be used.  Only save registers that tree-stdarg.c
802         detected they need saving.
803         (ix86_va_start): Don't set up fields that won't be used.
805         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
806         va_list_{g,f}pr_counter_field.
807         (setup_incoming_varargs): Don't do anything if reg_save
808         area will not be used.  Only save registers that tree-stdarg.c
809         detected they need saving.
810         (rs6000_va_start): Don't set up fields that won't be used.
812         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
813         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
814         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
815         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
817 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
819         PR target/20795
820         * config/i386/i386.c (construct_container): Pass empty aligned
821         struct, union or class in memory.
823 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
825         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
826         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
827         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
828         config/rs6000/predicates.md: Fix comment typos.
830         * sched-int.h (haifa_insn_data): Remove blockage and units.
831         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
832         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
833         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
835 2005-04-09  Jan Hubicka  <jh@suse.cz>
836             Steven Bosscher  <stevenb@suse.de>
838         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
839         * cfgloop.c (get_loop_exit_edges): Likewise.
840         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
841         (unloop): Likewise.
842         * loop-unroll.c (analyze_insns_in_loop): Likewise.
843         * tree-cfg.c (dump_cfg_status): Likewise.
845 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
847         * config/rs6000/predicates.md (altivec_register_operand): Remove
848         redundant match_code test.
849         (gpc_reg_operand): Same.
850         (cc_reg_operand): Same.
851         (cc_reg_not_cr0_operand): Same.
853 2005-04-09  Jan Hubicka  <jh@suse.cz>
855         Forgotten hunk from my last merge patch:
856         * final.c (output_addr_const): Do not call mark_referenced.
858 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
860         * doc/tree-ssa.texi: Add immediate use documentation.
862 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
864         * arm.c (FL_WBUF): Define.
865         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
866         (arm_is_6_or_7): Delete.
867         (arm_tune_wbuf): New.
868         (arm_override_options): Set arm_tune_wbuf.
869         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
870         (arm_is_6_or_7): Delete declaration.
871         (arm_tune_wbuf): New declartion.
872         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
873         (model_wbuf): Derive from arm_tune_wbuf.
874         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
875         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
876         (arm740t): Mark CPUs as having a write buffer.
878 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
880         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
881         of 'const_double_operand' in operand 2 constraints.  Update enable
882         condition.
884 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
886         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
887         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
888         * optabs.h (enum optab_index): Add new OTI_lfloor.
889         (lfloor_optab): Define corresponding macro.
890         * optabs.c (init_optabs): Initialize lfloor_optab.
891         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
892         and lfloordi2 patterns.
893         * builtins.c (expand_builtin_int_roundingfn): New prototype.
894         (expand_builtin_int_roundingfn): New function.
895         (fold_builtin_int_roundingfn): New prototype.
896         (fold_builtin_int_roundingfn): New function, renamed from
897         fold_builtin_lround.
898         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
899         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
900         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
901         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
902         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
903         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
904         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
905         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
906         into lfloor built-in function and (long long int)floor{,f,l} into
907         llfloor built-in function.
908         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
909         BUILT_IN_LLFLOOR.
911 2005-04-08  Ian Lance Taylor  <ian@airs.com>
913         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
914         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
915         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
916         (DO_COND, DO_BODY): Likewise.
917         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
918         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
919         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
920         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
921         (build_continue_stmt, build_break_stmt): Don't declare.
922         (c_do_switch_warnings): Update declaration.
923         * c-gimplify.c (enum bc_t): Remove.
924         (struct c_gimplify_ctx, ctxp): Remove.
925         (push_context, pop_context): Remove static functions.
926         (c_genericize): Don't call push_context or pop_context.
927         (begin_bc_block, finish_bc_block): Remove static functions.
928         (build_bc_goto): Likewise.
929         (gimplify_c_loop): Likewise.
930         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
931         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
932         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
933         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
934         * c-common.c (c_do_switch_warnings): Rename from
935         c_do_switch_warnings_1.
936         (c_do_switch_warnings) [old version]: Remove.
937         (c_do_switch_expr_warnings): Remove.
938         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
939         function instead of c_do_switch_expr_warnings.
940         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
941         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
942         * c-pretty-print.c (pp_c_statement): Likewise.
943         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
945 2005-04-08  Devang Patel  <dpatel@apple.com>
947         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
948         While selecting replacement condition pay attention to loop header.
950 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
952         Merge from tree-cleanup-branch: VRP, store CCP, store
953             copy-prop, incremental SSA updating of FUD chains and
954             newly exposed symbols.
956         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
957         (OBJS-common): Add tree-vrp.o.
958         (tree-vrp.o): New rule.
959         * basic-block.h (nearest_common_dominator_for_set): Declare.
960         * common.opt (ftree-store-ccp): New flag.
961         (ftree-copy-prop): New flag.
962         (ftree-vrp): New flag.
963         (ftree-store-copy-prop): New flag.
964         * dominance.c (nearest_common_dominator_for_set): New.
965         * domwalk.c (walk_dominator_tree): Only traverse
966         statements in blocks marked in walk_data->interesting_blocks.
967         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
968         * fold-const.c (fold): Handle ASSERT_EXPR.
969         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
970         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
971         flag_tree_vrp at -O2.
972         * timevar.def (TV_TREE_VRP): Define.
973         (TV_TREE_COPY_PROP): Define.
974         (TV_TREE_STORE_COPY_PROP): Define.
975         (TV_TREE_SSA_INCREMENTAL): Define.
976         (TV_TREE_STORE_CCP): Define.
977         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
978         to kill_redundant_phi_nodes from comment.
979         (verify_expr): Handle ASSERT_EXPR.
980         * tree-dfa.c (mark_new_vars_to_rename): Remove second
981         argument.  Update all users.
982         (mark_call_clobbered_vars_to_rename): Remove.  Update all
983         users.
984         * tree-flow-inline.h (unmodifiable_var_p): New.
985         * tree-flow.h (enum value_range_type): Declare.
986         (struct value_range_def): Declare.
987         (value_range): Declare.
988         (remove_all_phi_nodes_for): Remove.  Update all users.
989         (find_phi_node_for): Declare.
990         (add_type_alias): Declare.
991         (count_uses_and_derefs): Declare.
992         (kill_redundant_phi_nodes): Remove.
993         (rewrite_into_ssa): Remove.
994         (rewrite_def_def_chains): Remove.
995         (update_ssa, register_new_name_mapping, create_new_def_for,
996         need_ssa_update_p, name_registered_for_update_p,
997         release_ssa_name_after_update_ssa, dump_repl_tbl,
998         debug_repl_tbl, dump_names_replaced_by,
999         debug_names_replaced_by, mark_sym_for_renaming,
1000         mark_set_for_renaming, get_current_def, set_current_def,
1001         get_value_range, dump_value_range, debug_value_range,
1002         dump_all_value_ranges, debug_all_value_ranges,
1003         expr_computes_nonzero, loop_depth_of_name,
1004         unmodifiable_var_p): Declare.
1005         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
1006         ASSERT_EXPR.
1007         * tree-into-ssa.c (block_defs_stack): Update comment.
1008         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
1009         syms_to_rename, names_to_release, repl_tbl,
1010         need_to_initialize_update_ssa_p, need_to_update_vops_p,
1011         need_to_replace_names_p): New locals.
1012         (NAME_SETS_GROWTH_FACTOR): Define.
1013         (struct repl_map_d): Declare.
1014         (struct mark_def_sites_global_data): Add field
1015         interesting_blocks.
1016         (enum rewrite_mode): Declare.
1017         (REGISTER_DEFS_IN_THIS_STMT): Define.
1018         (compute_global_livein): Use last_basic_block instead of
1019         n_basic_blocks.
1020         (set_def_block): Remove last argument.  Update all callers.
1021         (prepare_use_operand_for_rename): Remove.  Update all callers.
1022         (prepare_def_operand_for_rename): Remove.  Update all callers.
1023         (symbol_marked_for_renaming): New.
1024         (is_old_name): New.
1025         (is_new_name): New.
1026         (repl_map_hash): New.
1027         (repl_map_eq): New.
1028         (repl_map_free): New.
1029         (names_replaced_by): New.
1030         (add_to_repl_tbl): New.
1031         (add_new_name_mapping): New.
1032         (mark_def_sites): Assume that all the operands in the
1033         statement are in normal form.
1034         (find_idf): Assert that the block in the stack is valid.
1035         (get_default_def_for): New.
1036         (insert_phi_nodes_for): Add new argument 'update_p'.
1037         Add documentation.
1038         If update_p is true, add a new mapping between the LHS of
1039         each new PHI and the name that it replaces.
1040         (insert_phi_nodes_1): Only call find_idf if needed.
1041         (get_reaching_def): Call get_default_def_for.
1042         (rewrite_operand): Remove.
1043         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
1044         and REWRITE_THIS_STMT are false.
1045         Assume that all the operands in the statement are in
1046         normal form.
1047         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
1048         (rewrite_virtual_phi_arguments): Remove.
1049         (invalidate_name_tags): Remove.
1050         (register_new_update_single, register_new_update_set,
1051         rewrite_update_init_block, replace_use,
1052         rewrite_update_fini_block, rewrite_update_stmt,
1053         rewrite_update_phi_arguments): New.
1054         rewrite_blocks): Remove argument 'fix_virtual_phis'.
1055         Add arguments 'entry', 'what' and 'blocks'.
1056         Initialize the dominator walker according to 'what' and
1057         'blocks'.
1058         Start the dominator walk at 'entry'.
1059         (mark_def_site_blocks): Add argument 'interesting_blocks'.
1060         Use it to configure the dominator walker.
1061         (rewrite_into_ssa): Remove argument 'all'.
1062         Make internal.
1063         (rewrite_all_into_ssa): Remove.
1064         (rewrite_def_def_chains): Remove.
1065         (mark_def_interesting, mark_use_interesting,
1066         prepare_phi_args_for_update, prepare_block_for_update,
1067         prepare_def_site_for, prepare_def_sites,
1068         dump_names_replaced_by, debug_names_replaced_by,
1069         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
1070         delete_update_ssa, create_new_def_for,
1071         register_new_name_mapping, mark_sym_for_renaming,
1072         mark_set_for_renaming, need_ssa_update_p,
1073         name_registered_for_update_p, ssa_names_to_replace,
1074         release_ssa_name_after_update_ssa,
1075         insert_updated_phi_nodes_for, update_ssa): New.
1076         * tree-loop-linear.c (linear_transform_loops): Call
1077         update_ssa instead of rewrite_into_ssa.
1078         * tree-optimize.c (vars_to_rename): Remove.
1079         Update all users.
1080         (init_tree_optimization_passes): Replace
1081         pass_redundant_phi with pass_copy_prop.
1082         Add pass_vrp.
1083         Replace pass_ccp with pass_store_ccp.
1084         Add pass_store_copy_prop after pass_store_ccp.
1085         (execute_todo): If the TODO_ flags don't include updating
1086         the SSA form, assert that it does not need to be updated.
1087         Call update_ssa instead of rewrite_into_ssa and
1088         rewrite_def_def_chains.
1089         If TODO_verify_loops is set, call verify_loop_closed_ssa.
1090         (tree_rest_of_compilation):
1091         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
1092         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
1093         TODO_cleanup_cfg): Renumber.
1094         (TODO_verify_loops, TODO_update_ssa,
1095         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
1096         TODO_update_ssa_only_virtuals): Define.
1097         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
1098         Declare.
1099         * tree-phinodes.c (make_phi_node): Update documentation.
1100         (remove_all_phi_nodes_for): Remove.
1101         (find_phi_node_for): New.
1102         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
1103         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
1104         (interpret_rhs_modify_expr): Likewise.
1105         * tree-sra.c (decide_instantiations): Mark all symbols in
1106         SRA_CANDIDATES for renaming.
1107         (mark_all_v_defs_1): Rename from mark_all_v_defs.
1108         (mark_all_v_defs): New function.  Update all users to call it 
1109         with the whole list of scalarized statements, not just the
1110         first one.
1111         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
1112         (compute_flow_insensitive_aliasing): If the tag is
1113         unmodifiable and the variable isn't or vice-versa, don't
1114         make them alias of each other.
1115         (setup_pointers_and_addressables): If the type tag for
1116         VAR is about to change, mark the old one for renaming.
1117         (add_type_alias): New.
1118         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
1119         (ccp_lattice_t): Rename from latticevalue.
1120         (value): Remove.  Update all users.
1121         (const_val): New local variable.
1122         (do_store_ccp): New local variable.
1123         (dump_lattice_value): Handle UNINITIALIZED.
1124         (debug_lattice_value): New.
1125         (get_default_value): Re-write.
1126         (set_lattice_value): Re-write.
1127         (def_to_varying): Remove.  Update all users.
1128         (likely_value): Return VARYING for statements that make
1129         stores when STORE_CCP is false.
1130         Return VARYING for any statement other than MODIFY_EXPR,
1131         COND_EXPR and SWITCH_EXPR.
1132         (ccp_initialize): Re-write.
1133         (replace_uses_in, replace_vuse_in, substitute_and_fold):
1134         Move to tree-ssa-propagate.c.
1135         (ccp_lattice_meet): Handle memory stores when
1136         DO_STORE_CCP is true.
1137         (ccp_visit_phi_node): Likewise.
1138         (ccp_fold): Likewise.
1139         (evaluate_stmt): Likewise.
1140         (visit_assignment): Likewise.
1141         (ccp_visit_stmt): Likewise.
1142         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
1143         into DO_STORE_CCP.
1144         (do_ssa_ccp): New.
1145         (pass_ccp): Use it.
1146         (do_ssa_store_ccp): New.
1147         (gate_store_ccp): New.
1148         (pass_store_ccp): Declare.
1149         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
1150         (may_propagate_copy): Reformat.
1151         Don't abort if ORIG is a virtual and DEST isn't.
1152         If NEW does not have alias information but DEST does,
1153         copy it.
1154         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
1155         copy_prop_kind, which_copy_prop): Declare.
1156         (stmt_may_generate_copy, get_copy_of_val,
1157         get_last_copy_of, set_copy_of_val, dump_copy_of,
1158         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
1159         copy_prop_visit_stmt, copy_prop_visit_phi_node,
1160         init_copy_prop, fini_copy_prop, execute_copy_prop,
1161         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
1162         store_copy_prop): New.
1163         (pass_copy_prop, pass_store_copy_prop): Declare.
1164         * tree-ssa-dom.c (struct opt_stats_d): Add fields
1165         'num_const_prop' and 'num_copy_prop'.
1166         (cprop_operand): Update them.
1167         (dump_dominator_optimization_stats): Dump them.
1168         (tree_ssa_dominator_optimize): Call update_ssa instead of
1169         rewrite_into_ssa.
1170         (loop_depth_of_name): Declare extern.
1171         (simplify_cond_and_lookup_avail_expr): Guard against NULL
1172         values for LOW or HIGH.
1173         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
1174         (record_equivalences_from_stmt): Call expr_computes_nonzero.
1175         (cprop_operand): Only propagate if VAL != OP.
1176         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
1177         statement for renaming.
1178         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
1179         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
1180         add_type_alias if necessary.
1181         Call mark_new_vars_to_rename.
1182         (tree_ssa_iv_optimize): If new symbols need to be renamed,
1183         mark every statement updated, call update_ssa and
1184         rewrite_into_loop_closed_ssa.
1185         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
1186         from LIVEIN if VAR is a virtual.
1187         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
1188         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
1189         (get_call_expr_operands): Reformat statement.
1190         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
1191         symbols.
1192         * tree-ssa-propagate.c (ssa_prop_init): Initialize
1193         SSA_NAME_VALUE for every name.
1194         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
1195         get_value_loaded_by): New.
1196         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
1197         substitute_and_fold): Move from tree-ssa-ccp.c.
1198         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
1199         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
1200         get_value_loaded_by, replace_uses_in, substitute_and_fold):
1201         Declare.
1202         * tree-ssa.c (verify_use): Fix error message.
1203         (propagate_into_addr, replace_immediate_uses, get_eq_name,
1204         check_phi_redundancy, kill_redundant_phi_nodes,
1205         pass_redundant_phi): Remove.  Update all users.
1206         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
1207         add_type_alias, if necessary.
1208         * tree-vectorizer.h (struct _stmt_vect_info): Update
1209         documentation for field 'memtag'.
1210         * tree-vrp.c: New file.
1211         * tree.def (ASSERT_EXPR): Define.
1212         * tree.h (ASSERT_EXPR_VAR): Define.
1213         (ASSERT_EXPR_COND): Define.
1214         (SSA_NAME_VALUE_RANGE): Define.
1215         (struct tree_ssa_name): Add field 'value_range'.
1216         (PHI_REWRITTEN): Remove.
1217         (struct tree_phi_node): Remove field 'rewritten'.
1218         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
1219         -ftree-store-copy-prop): Document.
1220         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
1221         Document usage of update_ssa.
1223 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
1225         PR target/20814
1226         * config/rs6000/predicates.md (altivec_register_operand): Accept
1227         SUBREG. 
1228         (and64_operand): Do not limit CONST_INT to mask64_operand.
1229         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
1230         (and_operand): Do not limit CONST_INT to mask_operand.
1232 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
1234         PR rtl-optimization/20466
1235         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
1236         for overlap of the address of each list member.
1237         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
1239 2005-04-08  Mike Stump  <mrs@apple.com>
1241         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
1242         
1243         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
1244         instead of 4.
1246 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
1248         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
1250         * function.c (push_function_context_to): Don't set
1251         contains_functions.
1252         * function.h (function): Remove contains_functions.
1253         (current_function_contains_functions): Remove.
1255         * function.h (function): Remove instrument_entry_exit.
1256         (current_function_instrument_entry_exit): Remove.
1258         * function.h (nonlocal_labels): Remove.
1260         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
1262         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
1263         (check_attr_value, write_attr_get, write_expr_attr_cache,
1264         find_attr, make_internal_attr): Don't reference negative_ok or
1265         unsigned_p.
1266         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
1267         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
1268         (ATTR_STATIC): Adjust the value.
1270         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
1272 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
1274         * config/s390/tpf.h (ASM_SPEC): Define.
1276 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
1278         * tree-flow.h: Remove the prototype for
1279         redirect_immediate_uses.
1280         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
1282 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
1284         * arm.c (arm_const_double_by_parts): New function.
1285         * arm-protos.h (arm_const_double_by_parts): Add prototype.
1286         * arm.md (define_split for 64-bit constants): Add another one.
1288 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
1290         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
1292 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1294         * system.h: Revert last change.
1296 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
1298         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
1299         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
1300         (TARGET_SWITCHES): Delete.
1301         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
1302         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
1303         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
1304         * config/xtensa/xtensa.opt: New file.
1306 2005-04-08  Ben Elliston  <bje@au.ibm.com>
1308         * config/fp-bit.c: Include L_mul_tf in #endif comment.
1309         * config/fp-bit.h: Tidy comments.
1311 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1313         * system.h: Poison PARAMS.
1315 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
1317         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
1318         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
1319         (TARGET_SWITCHES): Delete.
1320         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
1321         * config/vax/vax.opt: New file.
1323 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
1325         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
1327 2005-04-07  Ian Lance Taylor  <ian@airs.com>
1329         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
1330         define.
1331         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
1332         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
1333         Likewise.
1335 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
1337         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
1338         all immediate uses in PHI nodes.
1340 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
1342         * arm.c (arm_const_double_inline_cost): Handle any constant by
1343         using gen_lowpart and gen_highpart_mode.
1344         (note_invalid_constants): All constants in an RTX with a constraint
1345         that permits memory are now pushed to the constant pool.
1346         (output_move_double): Delete code to handle reg to reg and 
1347         constant to reg moves.
1348         (const_double_needs_minipool, output_mov_immediate): Delete.
1349         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
1350         CONST_INT and CONST_VECTOR.
1351         * arm.md (ANY64): New mode macro.
1352         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
1353         (movdf_soft_insn): Split reg-reg and const-reg moves.
1354         (split patterns for 64-bit constant and register moves): New.
1355         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
1356         (cirrus_movdf_hard_insn): Likewise.
1357         * fpa.md (movdf_fpa): Likewise.
1358         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
1359         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
1360         constraints.
1361         (movv2si_internal_2): Likewise.
1362         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
1363         (movdf_vfp): Likewise.
1364         * arm-protos.h (output_mov_immediate): Delete prototype.
1366 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
1368         PR target/20093
1369         * simplify-rtx.c (simplify_unary_operation_1): Check
1370         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
1372 2005-04-06  James E Wilson  <wilson@specifixinc.com>
1374         PR target/20717
1375         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
1376         ADDR_EXPR.
1378 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
1380         * coverage.h (GCOV_TYPE_NODE): Delete.
1381         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
1382         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
1383         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
1384         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
1385         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
1387 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
1389         PR other/20792
1390         * Makefile.in (gcc.pot): Remove options.c dependency.
1391         * optc-gen.awk: Don't quote help strings with N_().
1393 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
1395         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
1396         the function returns a pointer type.
1398 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
1400         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
1401         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
1402         * doc/invoke.texi: Documnet salias-max-implicit-fields.
1403         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
1404         explicit_uses members.
1405         (get_or_create_used_part_for): Initialize new fields.
1406         (fieldoff_compare): New function.
1407         (create_overlap_variables_for): Count number of fields, use
1408         heuristic to determine whether to create subvars for vars with
1409         only implicit uses.
1410         Sort the field list by offset and avoid creating duplicate SFT's.
1412 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
1414         * c.opt (-F): Remove trailing whitespace from help string.
1415         (-finput-charset): Use a tab to separate the switch name and help
1416         string.
1417         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
1418         (-ftree-vectorizer-verbose): Likewise.
1420 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
1422         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
1423         a PHI argument where a use occurs instead of all PHI arguments.
1425 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
1427         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
1428         scope.
1430 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
1432         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
1433         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
1434         config/bfin/bfin.h: Fix comment typos.
1436 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
1438         * doc/install.texi: Update the URL for Jacks.
1439         * doc/sourcebuild.texi: Likewise.
1441 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
1443         PR target/17245
1444         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
1445         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
1447 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
1449         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
1451 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
1453         * config/v850/v850-protos.h (override_options): Delete.
1454         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
1455         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
1456         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
1457         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
1458         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
1459         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
1460         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
1461         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
1462         (OVERRIDE_OPTIONS): Delete.
1463         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
1464         (small_memory_info): Remove the value field.
1465         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
1466         TARGET_NO_APP_REGS.
1467         * config/v850/v850.c (small_memory): Remove the value field.
1468         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1469         (override_options): Delete.
1470         (v850_handle_memory_option, v850_handle_option): New functions.
1471         * config/v850/v850.opt: New file.
1473 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
1475         * config.host: Add a section for generic hosts, and a subsection
1476         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
1477         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
1478         * config/host-darwin.h: New.
1479         * config/x-darwin: New.
1480         * config/i386/host-i386-darwin.c: New.
1481         * config/i386/x-darwin: New.
1482         * config/rs6000/host-darwin.c: Include host-darwin.h.
1483         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
1484         (darwin_rs6000_gt_pch_use_address): Likewise.
1485         * config/rs6000/x-darwin: Change name of .o built, update
1486         dependencies for changes to rs6000/host-darwin.c.
1488 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
1490         PR target/17824
1491         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
1493 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
1495         * tree-vect-analyze.c (vect_analyze_loop_form): Call
1496         split_loop_exit_edge instead of loop_split_edge_with. 
1498 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
1500         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
1501         UNSPEC_SET_VSCR): New constants, used throughout.
1502         (*andc3_v4sf): New.
1503         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
1504         Replace with...
1505         (altivec_vspltis<VI_char>): ... this pattern, using
1506         a QImode const_int_operand for the immediate.
1507         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
1508         define_expands.
1510 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
1512         PR target/17822
1513         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
1515 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
1517         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
1519 2005-04-06  Ben Elliston  <bje@au.ibm.com>
1521         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
1522         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
1523         macros as living in "this file" and not gcc.h.
1525 2005-04-06  Ben Elliston  <bje@au.ibm.com>
1527         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
1528         -ftree-live_range_split.  Perhaps renamed at some point?
1530 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
1532         PR target/20625
1533         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
1534         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
1536 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
1538         * tree-flow.h (number_of_iterations_cond): Declaration removed.
1539         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
1540         (number_of_iterations_special): New function.
1541         (number_of_iterations_exit): Use number_of_iterations_special.
1542         Use simplify_using_outer_evolutions only at -O3.
1543         (number_of_iterations_cond, tree_simplify_using_condition,
1544         simplify_using_initial_conditions, loop_niter_by_eval,
1545         compare_trees, can_count_iv_in_wider_type_bound,
1546         simplify_using_outer_evolutions): Use fold_build.
1548 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
1550         * doc/install.texi (Configuration): Document --with-java-home.
1552 2005-04-05  Richard Henderson  <rth@redhat.com>
1554         PR target/20342
1555         PR target/20447
1556         * config/i386/i386.c (print_operand): Handle vector zeros.
1557         (ix86_split_to_parts): Handle CONST_VECTOR.
1558         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
1559         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
1560         what modes to tie for MMX and SSE registers.
1561         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
1562         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
1563         to vector modes as well.
1564         * config/i386/predicates.md (const0_operand): Handle VOIDmode
1565         properly as an input mode.
1567 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
1569         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
1571 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
1573         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
1575 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
1577         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
1578         and local functions, set sse_nregs to 8 and float_in_sse.
1579         (function_arg_advance, function_arg): If float_in_sse, pass
1580         SFmode and DFmode arguments in SSE registers.
1581         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
1583         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
1584         of -funit-at-a-time.
1586 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
1588         * config/i386/i386-protos.h (ix86_function_value): Accept two
1589         arguments, like the target macro.
1590         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
1591         * config/i386/i386.c (ix86_function_value): Accept the second
1592         argument of the target macro.
1593         (ix86_function_ok_for_sibcall): Pass a function pointer to
1594         ix86_function_value.
1595         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
1596         call to ix86_value_regno).
1597         (ix86_value_regno): Add support for returning floating point values
1598         in SSE registers.
1600 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
1602         PR tree-optimization/20076
1603         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
1604         that call __builtin_return or __builtin_apply_args.
1606 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
1608         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
1609         Use immediate use iterator.
1610         (stmt_is_bumper_for_loop): Use immediate use iterator.
1611         * predict.c (strip_builtin_expect): Use update_stmt.
1612         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
1613         on all elements of a STATEMENT_LIST.
1614         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
1615         (bsi_remove): Remove imm_use links and mark the stmt as modified.
1616         (bsi_replace): Mark stmt as modified and the update it.
1617         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
1618         (expand_complex_libcal): Call update_stmt.
1619         (expand_complex_comparison): Call mark_stmt_modified.
1620         (expand_complex_operations_1): Call update_stmt_if_modified.
1621         (expand_vector_operations_1): Call mark_stmt_modified.
1622         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
1623         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
1624         add_immediate_use, redirect_immediate_use,
1625         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
1626         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
1627         (mark_new_vars_to_rename): Call update_stmt.
1628         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
1629         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.  
1630         Ignore PHI nodes.
1631         (unmodify_stmt): Delete.
1632         (update_stmt): New.  Force an update of a stmt.
1633         (update_stmt_if_modified): update a stmt if it is out of date.
1634         (get_stmt_operands): Verify stmt is NOT modified. 
1635         (stmt_modified_p): Update comment.
1636         (delink_imm_use): Remove a use node from its immuse list.
1637         (link_imm_use_to_list): Link a use node to a specific list.
1638         (link_imm_use): Link a node to the correct list.
1639         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
1640         it in the correct list, if appropriate.
1641         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
1642         (relink_imm_use): Link a use node in place of another node in a list.
1643         (relink_imm_use_stmt): LInk a node in place of another node, and set
1644         the stmt pointer.
1645         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
1646         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
1647         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
1648         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
1649         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
1650         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
1651         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
1652         (has_zero_uses): New.  Return true if there are no uses of a var.
1653         (has_single_use): New.  Return true if there is only a single use of a
1654         variable.
1655         (single_imm_use): New.  Return the simgle immediate use.
1656         (num_imm_uses): New.  Return the number of immediate uses.
1657         (get_v_must_def_ops): Use is now a pointer.
1658         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
1659         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of 
1660         the use node.
1661         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
1662         (delink_stmt_imm_use): Delink all immuses from a stmt.
1663         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
1664         * tree-flow.h (struct dataflow_d): Delete.
1665         (immediate_use_iterator_d): New.  Immediate use iterator struct.
1666         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
1667         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
1668         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe 
1669         iteration.
1670         (struct stmt_ann_d): Remove dataflow_t from struct.
1671         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
1672         (if_convertible_phi_p): Use FAST immuse iterator.
1673         (if_convertible_loop_p): Don't call compute_immediate_uses.
1674         (replace_phi_with_cond_modify_expr): Call update_stmt.
1675         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call 
1676         update_stmt_if_modified.
1677         (rewrite_all_into_ssa): Initialize ssa operands.
1678         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
1679         compute_immediate_uses.
1680         * tree-optimize.c (execute_todo): Call verify_ssa whenever the 
1681         ssa_property is available.
1682         (execute_one_pass):  Change parameters passed to execute_todo.
1683         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
1684         (remove_ssa_form): Call fini_ssa_operands.
1685         (insert_backedge_copies): Delete call to modify_stmt.
1686         * tree-phinodes.c (make_phi_node): Initialize use nodes.
1687         (release_phi_node): Delink any use nodes before releasing.
1688         (resize_phi_node): Relink any use nodes.
1689         (remove_phi_arg_num): Delink the use node.
1690         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
1691         (remove_all_phi_nodes_for): Release phi node first.
1692         * tree-pretty-print.c (dump_generic_node): Print stmt address.
1693         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
1694         (scalarize_use, scalarize_copy): Call update_stmt.
1695         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
1696         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
1697         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
1698         (ccp_initialize): Remove call to compute_immediate_uses.
1699         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
1700         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified 
1701         stmts.
1702         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
1703         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
1704         (eliminate_redundant_computations): Call mark_stmt_modified.
1705         (cprop_operand): Call mark_stmt_modified.
1706         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
1707         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
1708         (dse_optimize_stmt): Use new immuse interface.
1709         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
1710         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
1711         (substitute_single_use_vars): Use new immuse interface.
1712         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
1713         and compute_immediate_uses.
1714         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse 
1715         interface.
1716         (rewrite_mem_refs): Call update_stmt.
1717         (determine_lsm): Remove call to compute_imm_uses and free_df.
1718         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
1719         (try_unroll_loop_completely): Call update_stmt.
1720         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
1721         (rewrite_use_compare): Call update_stmt.
1722         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
1723         (rewrite_use) : Call update_stmt.
1724         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
1725         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call 
1726         update_stmt.
1727         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
1728         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
1729         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
1730         use nodes.
1731         (initialize_vuse_operand): New.  Initialize a vuse operand.
1732         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
1733         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
1734         (finalize_ssa_defs): Use stmt parameter.
1735         (correct_use_link): Ensure a use node is in the correct list, and has
1736         the correct stmt pointer.
1737         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
1738         finalize_ssa_v_must_defs): Also initialize use nodes.
1739         (finalize_ssa_stmt_operands): Pass extra stmt operands.
1740         (build_ssa_operands): Seperate parsing from final operand construction.
1741         (parse_ssa_operands): New.  Parse entry point for operand building.
1742         (swap_tree_operands): New.  Swap 2 tree operands.
1743         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
1744         operands.
1745         (get_expr_operands): Call swap_tree_operands when needed.
1746         (copy_virtual_operands): Use initialize routines for virtual use ops.
1747         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
1748         (verify_abort): New.  Issue imm_use error.
1749         (verify_imm_links): New Verify imm_use links for a var.
1750         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
1751         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
1752         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
1753         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
1754         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
1755         (NULL_USE_OPERAND_P) Define.
1756         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
1757         use node.
1758         (struct vuse_operand_type): New struct.
1759         (SET_USE): Call set_ssa_use_from_ptr.
1760         (USE_STMT): Define.
1761         (PHI_ARG_INDEX_FROM_USE): Define.
1762         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi 
1763         argument via SET_USE, not PHI_ARG_DEF_TREE.
1764         * tree-ssa-pre.c (eliminate): Call update_stmt.
1765         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
1766         call free_df.
1767         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
1768         (nearest_common_dominator_of_uses): Use imm_use iterator.
1769         (statement_sink_location): Use imm_use iterator and interface.
1770         (execute_sink_code): Don't call compute_immediate_uses or free-df.
1771         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
1772         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
1773         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
1774         (verify_ssa): Ensure no stmt is marked modify after optimization pass
1775         if new parameter is true.
1776         (init_tree_ssa): Don't initialize operand cache here.
1777         (delete_tree_ssa): Don't destroy operand cache here.
1778         (propagate_into_addr): Pass in a use pointer, return true if anything
1779         was changed.
1780         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
1781         (check_phi_redundancy): Use imm_use iterator.
1782         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or 
1783         free_df.
1784         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
1785         (release_ssa_name): Delink node and all elements in its imm_use list.
1786         * tree-tailcall.c (adjust_return_value): Call update_stmt.
1787         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
1788         * tree-vectorizer.c (need_imm_uses_for): Delete.
1789         (vectorize_loops): Dont call compute_immediate_uses or free_df.
1790         * tree.h (struct ssa_imm_use_d): Define.
1791         (SSA_NAME_IMM_USE_NODE): Define.
1792         (struct tree_ssa_name): Add imm_use node.
1793         (PHI_DF): Delete.
1794         (PHI_ARG_IMM_USE_NODE): Define.
1795         (struct phi_arg_d): Add imm_use node.
1796         (struct tree_phi_node): Remove struct dataflow_d element.
1797         (TDF_STMTADDR): Define.
1799 2005-04-05  Dale Johannesen  <dalej@apple.com>
1801         * doc/invoke.texi (Optimization Options):  Remove
1802         duplicate -fcse-follow-jumps.  Add -fweb.
1803         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
1804         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
1806 2005-04-05  Per Bothner  <per@bothner.com>
1808         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
1809         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
1810         (warn_uninit): Get EXPR_LOCUS from context now instead.
1811         This fixes a USE_MAPPED_LOCATION testsuite failure.
1813         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
1815 2005-04-05  Per Bothner  <per@bothner.com>
1817         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
1818         of the artification 'return 0' in main() to BUILTINS_LOCATION.
1819         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
1820         before warning. 
1822 2004-04-05  Devang Patel  <dpatel@apple.com>
1824         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
1825         (lhsr<mode>3): ... new name.
1826         (altivec_vsra<VI_char>): Rename to ..
1827         (ashr<mode>3): ... new name.
1828         * config/rs6000/rs6000.c (builtin_description): Rename shift
1829         operations.
1830         
1831 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
1833         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
1834         gen_lowpart_for_combine.
1835         * cse.c (gen_lowpart_if_possible): Move...
1836         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
1837         gen_lowpart_SUBREG.
1838         (gen_lowpart_no_emit_general): Use it.
1840 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
1842         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
1843         overriding.
1845 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
1847         * system.h: Fix typo.
1849 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
1851         * config/bfin/bfin-modes.def: New file.
1852         * config/bfin/bfin-protos.h: New file.
1853         * config/bfin/bfin.c: New file.
1854         * config/bfin/bfin.h: New file.
1855         * config/bfin/bfin.md: New file.
1856         * config/bfin/bfin.opt: New file.
1857         * config/bfin/crti.s: New file.
1858         * config/bfin/crtn.s: New file.
1859         * config/bfin/elf.h: New file.
1860         * config/bfin/lib1funcs.asm: New file.
1861         * config/bfin/predicates.md: New file.
1862         * config/bfin/t-bfin: New file.
1863         * config/bfin/t-bfin-elf: New file.
1864         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
1865         Document new attributes.
1866         (interrupt, interrupt_handler, saveall): Update documentation for
1867         these attributes.
1868         * doc/install.texi (Specific): Add entry for the Blackfin.
1869         * doc/invoke.texi (Blackfin Options): New section.
1870         * doc/md.texi (Blackfin family): New section to document constraints.
1871         * config.gcc: Add bfin*-* and bfin*-elf configurations.
1873 2005-04-05  Olivier Hainque  <hainque@adacore.com>
1874         
1875         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
1876         match what the system unwinder expects.
1877         * config/mips/mips.c (mips_frame_set): If we're saving the return
1878         address register and the dwarf return address column number differs
1879         from the hard register number, adjust the note reg to refer to the
1880         former.
1882 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
1884         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
1885         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
1886         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
1887         (processor_type): New enum.
1888         (mn10300_processor): New variable.
1889         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
1890         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
1891         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
1892         (PROCESSOR_DEFAULT): New macro.
1893         * config/mn10300/mn10300.c (mn10300_processor): New variable.
1894         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
1895         (mn10300_handle_option, mn10300_override_options): New functions.
1896         * config/mn10300/mn10300.opt: New file.
1898 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
1899             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
1901         PR tree-optimization/19903
1902         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
1903         that don't fit in their type after conversion.
1905 2005-04-05  Uros Bizjak <uros@kss-loka.si>
1907         PR target/20421
1908         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
1909         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
1910         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
1911         flag here. Implement using define_insn_and_split.  
1912         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
1913         (frndintxf2_mask_pm_i387): New insn patterns.
1914         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
1915         Do not set ix86_optimize_mode_switching flag.
1916         (ceilsf2, ceildf2, ceilxf2): Same.
1917         (btruncsf2, btruncdf2, btruncxf2): Same.
1918         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
1920 2005-04-05  Ian Lance Taylor  <ian@airs.com>
1922         PR debug/9963
1923         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
1924         i386_pe_record_external_function.
1925         (i386_pe_record_external_function): Update declaration.
1926         * config/i386/winnt.c (struct extern_list): Add decl field.
1927         (i386_pe_record_external_function): Add decl parameter.
1928         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
1929         identifier.
1930         * config/i386/i386-protos.h (i386_pe_record_external_function):
1931         Update declaration.
1933 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
1935         * config/m68k/m68k-protos.h: Add a prototype for
1936         valid_dbcc_comparison_p_2.
1937         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
1938         extend_operator, const_uint32_operand, const_sint32_operand,
1939         general_src_operand, nonimmediate_src_operand,
1940         memory_src_operand, post_inc_operand, pre_dec_operand,
1941         pcrel_address): Move to predicates to predicates.md.
1942         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
1943         * config/m68k/m68k.md: Include predicates.md.
1944         * config/m68k/predicates.md: New.
1946 2005-04-04  Roger Sayle  <roger@eyesopen.com>
1948         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
1950         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
1952 2005-04-04  Ian Lance Taylor  <ian@airs.com>
1954         * c-typeck.c (struct c_switch): Rename switch_stmt field to
1955         switch_expr.
1956         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
1957         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
1958         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
1959         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
1960         * c-common.c (c_do_switch_warnings_1): New static function broken
1961         out of c_do_switch_warnings.
1962         (c_do_switch_warnings): Call c_do_switch_warnings_1.
1963         (c_do_switch_expr_warnings): New function.
1964         * c-common.h (c_do_switch_expr_warnings): Declare.
1966 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
1967             Daniel Jacobowitz  <dan@codesourcery.com>
1969         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
1970         trapping divide.
1971         * rtlanal.c (may_trap_p): Same.
1973 2005-04-04  Dale Johannesen  <dalej@apple.com>
1975         * ChangeLog:  remove reference to ChangeLog.12.
1977 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
1979         CRIS epilogue as RTL.
1980         * config/cris/cris.md: Change all 0 in unspec 0 to
1981         CRIS_UNSPEC_PLT.
1982         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
1983         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
1984         patterns.
1985         ("return"): Change to define_expand.  Call cris_expand_return for
1986         actual expansion.
1987         ("*return_expanded"): New pattern.
1988         ("epilogue"): New define_expand.
1989         * config/cris/cris.h (PREDICATE_CODES): Add
1990         cris_load_multiple_op.
1991         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
1992         type.
1993         (enum cris_retinsn_type): New.
1994         (struct machine_function): New member return_type.
1995         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
1996         (cris_target_asm_function_epilogue): Remove, moving RTLified
1997         contents to...
1998         (cris_expand_epilogue): New function.
1999         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
2000         (cris_gen_movem_load, cris_load_multiple_op)
2001         (cris_return_address_on_stack_for_return, cris_expand_return): New
2002         functions.
2003         (cris_target_asm_function_prologue)
2004         (cris_initial_frame_pointer_offset): Call
2005         cris_reg_saved_in_regsave_area instead of complicated expression.
2006         Call cris_return_address_on_stack instead of an expression.
2007         (cris_print_operand) <case 'o', case 'O'>: New cases.
2008         (cris_return_address_on_stack): Change return-type to bool.
2009         (cris_simple_epilogue): Ditto.  Return false if registers are
2010         saved.
2011         * config/cris/cris-protos.h (cris_simple_epilogue)
2012         (cris_return_address_on_stack): Adjust prototype return type.
2013         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
2014         (cris_return_address_on_stack_for_return): New prototypes.
2016 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
2018         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
2019         gpr_or_int12_operand.
2021         * config/frv/frv-protos.h: Add a prototype to
2022         frv_legitimate_memory_operand and frv_const_unspec_p.
2023         (frv_unspec): Move from frv.c.
2024         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
2025         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
2026         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
2027         gpr_or_fpr_operand, gpr_or_int12_operand,
2028         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
2029         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
2030         int6_operand, int5_operand, uint5_operand, uint4_operand,
2031         uint1_operand, int_2word_operand, uint16_operand,
2032         upper_int16_operand, integer_register_operand,
2033         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
2034         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
2035         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
2036         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
2037         move_destination_operand, movcc_fp_destination_operand,
2038         frv_function_symbol_referenced_p, move_source_operand,
2039         condexec_dest_operand, condexec_source_operand,
2040         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
2041         const_unspec_operand, gpr_or_memory_operand,
2042         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
2043         icc_operand, fcc_operand, cc_operand, icr_operand,
2044         fcr_operand, cr_operand, call_operand, sibcall_operand,
2045         symbolic_operand, relational_operator,
2046         integer_relational_operator, float_relational_operator,
2047         ccr_eqne_operator, minmax_operator,
2048         condexec_si_binary_operator, condexec_si_media_operator,
2049         condexec_si_divide_operator, condexec_si_unary_operator,
2050         condexec_sf_conv_operator, condexec_sf_add_operator,
2051         condexec_memory_operand, intop_compare_operator, acc_operand,
2052         even_acc_operand, quad_acc_operand, accg_operand: Move to
2053         predicates.md.
2054         * config/frv/frv.h (PREDICATE_CODES): Remove.
2055         * config/frv/frv.md: Include predicates.md.
2056         * config/frv/predicates.md: New.
2058 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
2060         PR target/19537
2061         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
2062         * tree-ssa-loop-ivopts.c: Include langhooks.h.
2063         (add_standard_iv_candidates_for_size): New function, extracting code
2064         from add_standard_iv_candidates and parameterizing it by type size.
2065         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
2067 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
2069         * system.h (GCOV_SIZE_TYPE): Unposion.
2070         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
2071         (GCOV_TYPE_SIZE): ...this new macro.
2072         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
2073         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
2074         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
2075         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
2076         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
2077         instead of unsigned_intSI_type_node.
2078         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
2079         (rtl_gen_one_value_profiler_no_edge_manipulation)
2080         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
2081         * value-prof.c: Include coverage.h.
2083 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
2084             Diego Novillo <dnovillo@redhat.com>
2085             
2086         Fix PR tree-optimization/20703
2087         Fix PR tree-optimization/20725
2088         
2089         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
2090         (create_expression_by_pieces): Ditto.
2091         (valid_in_set): Ditto. Also handle tcc_declaration.
2092         (find_or_generate_expression): Handle comparison class.
2093         (insert_into_preds_of_block): Ditto.
2094         (insert_aux): Ditto.
2095         (create_value_expr_from): Handle comparison class, recursively
2096         handle reference nodes.
2097         (compute_avail): Handle comparison classes, rewrite a little cleaner.
2098         (execute_pre): Fix spacing.
2099         (do_fre): Renamed to execute_fre.
2101 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2103         * doc/invoke.texi (SPARC options): Document that
2104         -mlittle-endian is not supported on Linux either.
2106 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2108         PR target/4198
2109         PR target/12027
2110         * config.gcc (Obsolete configurations): Remove
2111         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
2112         (sparclite-*-coff*): Delete.
2113         (sparclite-*-elf*): Likewise.
2114         (sparc86x-*-elf*): Likewise.
2115         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
2116         * config/sparc/lite.h: Delete.
2117         * config/sparc/litecoff.h: Likewise.
2118         * config/sparc/liteelf.h: Likewise.
2119         * config/sparc/sp86x-elf.h: Likewise.
2120         * config/sparc/t-sparclite: Likewise.
2121         * config/sparc/t-sp86x: Likewise.
2123 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
2125         * config/s390/s390-protos.h: (s390_comparison,
2126         s390_alc_comparison, s390_slb_comparison, const0_operand,
2127         consttable_operand, larl_operand, s_operand,
2128         shift_count_operand, bras_sym_operand, load_multiple_operation,
2129         store_multiple_operation, s390_plus_operand): Remove prototypes.
2130         (s390_legitimate_address_without_index_p): New prototype.
2131         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
2132         to s390.h.
2133         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
2134         const0_operand, consttable_operand, larl_operand, s_operand,
2135         shift_count_operand, bras_sym_operand, load_multiple_operation,
2136         store_multiple_operation, s390_plus_operand): Move to
2137         predicates.md.
2138         (check_mode): Remove.
2139         (s390_branch_condition_mask): Remove 'static'. Move prototype to
2140         s390-protos.h.
2141         (s390_legitimate_address_without_index_p): New.
2142         * config/s390/s390.h (PREDICATE_CODES): Remove.
2143         * config/s390/s390.md: Include predicates.md.
2144         * config/s390/predicates.md: New.
2146 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
2148         PR target/20446
2149         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
2150         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
2151         (NEED_INDICATE_EXEC_STACK): Define to 1.
2152         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
2153         (NEED_INDICATE_EXEC_STACK): Define to 1.
2154         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
2155         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
2156         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
2157         (pic_helper_emitted_p): New global.
2158         (emit_pic_helper): New function extracted from...
2159         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
2160         Do not call emit_pic_helper if delay_pic_helper is true.
2161         (sparc_expand_prologue): Pass 'false' to load_pic_register.
2162         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
2163         (sparc_file_end): New function.
2165 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
2167         * config/mcore/mcore-protos.h: Remove the prototypes for
2168         mcore_arith_reg_operand, mcore_general_movsrc_operand,
2169         mcore_general_movdst_operand, mcore_reload_operand,
2170         mcore_arith_J_operand, mcore_arith_K_operand,
2171         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
2172         mcore_arith_K_S_operand, mcore_arith_imm_operand,
2173         mcore_arith_any_imm_operand, mcore_arith_O_operand,
2174         mcore_literal_K_operand, mcore_addsub_operand,
2175         mcore_compare_operand, mcore_load_multiple_operation,
2176         mcore_store_multiple_operation, mcore_call_address_operand.
2177         Add a prototype for const_ok_for_mcore.
2178         * config/mcore/mcore.c (mcore_call_address_operand,
2179         mcore_general_movsrc_operand, mcore_general_movdst_operand,
2180         mcore_arith_reg_operand, mcore_reload_operand,
2181         mcore_arith_J_operand, mcore_arith_K_operand,
2182         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
2183         mcore_arith_M_operand, mcore_arith_imm_operand,
2184         mcore_arith_any_imm_operand, mcore_arith_O_operand,
2185         mcore_literal_K_operand, mcore_addsub_operand,
2186         mcore_compare_operand, mcore_load_multiple_operation,
2187         mcore_store_multiple_operation): Move to predicates.md.
2188         (const_ok_for_mcore): Export.
2189         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
2190         * config/mcore/mcore.md: Include predicates.md.
2191         * config/mcore/predicates.md: New.
2193         * config/mcore/predicates.md: Fix a comment typo.
2195 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
2196             Adrian Straetling  <straetling@de.ibm.com>
2198         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
2199         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
2200         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
2201         attribute.
2202         ("imul"): Removed from "type" attribute.
2203         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
2204         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"): 
2205         Changed type to imulsi.
2206         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
2208 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
2210         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
2211         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
2212         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
2213         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
2214         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
2215         (TARGET_SWITCHES, mcore_stack_increment_string)
2216         (TARGET_OPTIONS): Delete.
2217         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
2218         than *_BIT constants.
2219         (TARGET_8ALIGN): #undef old definition before redefining to 1.
2220         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
2221         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
2222         (mcore_override_options): Delete mcore_stack_increment code.
2223         Change use of M340_BIT to MASK_M340.
2224         * config/mcore/mcore.opt: New file.
2226 2005-04-04  Ian Lance Taylor  <ian@airs.com>
2228         * config/arm/arm.c (replace_symbols_in_block): Remove static
2229         function.
2231 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
2233         * config/fr30/fr30-protos.h: Remove the prototypes for
2234         stack_add_operand, add_immediate_operand,
2235         high_register_operand, low_register_operand, call_operand,
2236         di_operand, and nonimmediate_di_operand.
2237         * config/fr30/fr30.c (stack_add_operand,
2238         add_immediate_operand, high_register_operand,
2239         low_register_operand, call_operand, di_operand,
2240         nonimmediate_di_operand): Move to predicates.md.
2241         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
2242         * config/fr30/fr30.md: Include predicates.md.
2243         * config/fr30/predicates.md: New.
2245         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
2246         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
2247         mcore_call_address_operand.
2249         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
2250         general_movsrc_operand.
2252 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
2254         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
2255         after freeing.
2257 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
2259         PR target/14812
2260         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
2261         a negated value.
2263 2005-04-04  Richard Henderson  <rth@redhat.com>
2264             Jakub Jelinek  <jakub@redhat.com>
2266         PR rtl-optimization/16104
2267         * fold-const.c (fold_unary): Fix folding of vector conversions.
2269 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
2271         * config.gcc (xstormy16-*-elf): Set extra_options.
2272         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
2273         * config/stormy16/stormy16.opt: New file.
2275 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
2277         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
2278         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
2279         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
2280         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
2281         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
2282         (TARGET_UNIX_ASM): Delete.
2283         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
2284         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
2285         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
2286         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2287         * config/pdp11/pdp11.opt: New file.
2289 2005-04-03  Roger Sayle  <roger@eyesopen.com>
2290             Alexandre Oliva  <aoliva@redhat.com>
2292         PR c++/19199
2293         * fold-const.c (non_lvalue): Split tests into...
2294         (maybe_lvalue_p): New function.
2295         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
2296         C++ front-end prior to lowering into gimple form.
2298 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2300         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
2301         BUILT_IN_STRNCASECMP): New.
2302         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
2303         and strndup.
2305 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
2307         PR target/14812
2308         * arm.md (addsi3_compare0_for_combiner): Delete.
2309         (addsi3_compare0_scratch_for_combiner): Delete.
2310         (cmpsi_neg_shiftsi): Delete.
2311         (compare_negsi_si): New pattern.
2312         (cmpsi_negshiftsi_si): New pattern.
2313         (negated_cbranchsi4): Restrict to equality_operator.
2314         
2315         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
2316         template.
2318 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
2320         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
2321         Fix comment typos.
2323         * doc/install.texi: Fix a typo.
2325 2005-04-03  Steven Bosscher  <stevenb@suse.de>
2327         PR middle-end/20648
2328         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
2329         a computed goto if the edge to the computed goto block has
2330         incoming abnormal edges.  Clarify how the function works.
2332 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
2334         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
2335         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
2336         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
2337         hash_scan_set, reg_set_between_after_reload_p,
2338         reg_used_between_after_reload_p, get_avail_load_store_reg,
2339         eliminate_partially_redundant_load): Likewise.
2340         * postreload.c (reload_cse_simplify_set,
2341         reload_combine_note_use): Likewise.
2342         * predict.c (predict_insn, expected_value_to_br_prob,
2343         propagate_freq, expensive_function_p): Likewise.
2344         * print-rtl.c (print_rtx): Likewise.
2345         * profile.c (instrument_edges, instrument_values,
2346         compute_branch_probabilities, branch_prob, union_groups,
2347         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
2348         * protoize.c (in_system_include_dir, file_could_be_converted,
2349         file_normally_convertible, gen_aux_info_file, seek_to_line,
2350         do_cleaning): Likewise.
2351         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
2352         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
2353         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
2355 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
2357         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
2358         * modulo-sched.c (undo_replace_buff_elem): New structure.
2359         (kernel_number_of_cycles, ps_unschedule_node,
2360         undo_generate_reg_moves,free_undo_replace_buff,
2361         undo_permute_partial_schedule,  loop_single_full_bb_p,
2362         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
2363         build_loops_structure, get_sched_window): New.
2364         (generate_reg_moves): Return undo_replace_buff_elem and other
2365         fixes.
2366         (generate_prolog_epilog): Remove old loop versioning.
2367         (sms_schedule): Use loop information and loop_version.
2368         (sms_schedule_by_order): Split part of it to get_sched_window.
2369         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
2370         cfg_layout_finalize and free_dominance_info before/after SMS.
2372 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
2374         * cfghooks.c (lv_flush_pending_stmts,
2375         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
2376         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
2377         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
2378         lv_add_condition_to_bb,
2379         lv_adjust_loop_header_phi, extract_cond_bb_edges,
2380         flush_pending_stmts): New in cfg_hooks structure.
2381         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
2382         extract_cond_bb_edges, lv_adjust_loop_header_phi,
2383         lv_add_condition_to_bb): New declarations.
2384         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
2385         bool.
2386         (loop_version): Declare.
2387         * cfgloopmanip.c (cfghooks.h): Include.
2388         (duplicate_loop_to_header_edge): Change return type to bool.
2389         (loop_version, lv_adjust_loop_entry_edge): Move here.
2390         * cfgrtl.c (cfgloop.h): Include.
2391         (rtl_verify_flow_info_1): Fix.
2392         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
2393         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
2394         initialization.
2395         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
2396         tree_lv_add_condition_to_bb): New.
2397         (tree_cfg_hooks): Add new hooks to initialization.
2398         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
2399         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
2401 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
2403         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
2404         xstormy16_below100_or_register,
2405         xstormy16_splittable_below100_or_register, and
2406         nonimmediate_nonstack_operand.
2408         * config/stormy16/stormy16-protos.h: Remove the prototypes for
2409         xstormy16_ineqsi_operator, equality_operator,
2410         inequality_operator, shift_operator,
2411         xstormy16_below100_operand, xstormy16_below100_or_register,
2412         xstormy16_splittable_below100_or_register,
2413         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
2414         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
2415         equality_operator, inequality_operator,
2416         xstormy16_below100_operand, xstormy16_below100_or_register,
2417         xstormy16_splittable_below100_or_register,
2418         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
2419         nonimmediate_nonstack_operand, shift_operator): Move to
2420         predicates.md.
2421         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
2422         * config/stormy16/stormy16.md: Include predicates.md.
2423         * config/stormy16/predicates.md: New.
2425 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
2427         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
2428         small_int, large_int, reg_or_0_operand, simple_memory_operand,
2429         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
2430         move_operand, power_of_2_operand): Move to predicates.md.
2431         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
2432         PREDICATE_CODE): Remove.
2433         * config/iq2000/iq2000.md: Include predicates.md.
2434         * config/iq2000/predicates.md: New.
2436 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
2438         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
2439         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
2440         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
2441         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
2442         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
2443         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
2444         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
2445         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
2446         (TARGET_M68HC11): Delete.
2447         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
2448         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
2449         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
2450         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
2451         (nb_soft_regs): Delete.
2452         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
2453         (m68hc11_override_options): Remove the code that caters for MASK_M6811
2454         and MASK_M6812 being set simultaneously.  Change the code that sets
2455         the default m68hc11_soft_reg_count to use integers instead of strings.
2456         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
2457         m68hc11_soft_reg_count (which now has an int type) as the number
2458         of soft registers.
2459         * config/m68hc11/m68hc11.opt: New file.
2461 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
2463         * config/fr30/fr30.h (PREDICATE_CODES): Remove
2464         fp_displacement_operand, sp_displacement_operand.
2466         * config/m68hc11/m68hc11-protos.h: Add a prototype for
2467         m68hcc_auto_inc_p.
2468         Remove the prototypes for tst_operand, cmp_operand,
2469         stack_register_operand, d_register_operand,
2470         hard_addr_reg_operand, splitable_operand,
2471         m68hc11_logical_operator, m68hc11_arith_operator,
2472         m68hc11_non_shift_operator, m68hc11_shift_operator,
2473         m68hc11_unary_operator, m68hc11_eq_compare_operator,
2474         non_push_operand, hard_reg_operand, and
2475         reg_or_some_mem_operand.
2476         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
2477         extern.
2478         (tst_operand, cmp_operand, non_push_operand,
2479         splitable_operand, reg_or_some_mem_operand,
2480         stack_register_operand, d_register_operand,
2481         hard_addr_reg_operand, hard_reg_operand,
2482         m68hc11_eq_compare_operator, m68hc11_logical_operator,
2483         m68hc11_arith_operator, m68hc11_non_shift_operator,
2484         m68hc11_shift_operator, m68hc11_unary_operator): Move to
2485         predicates.md.
2486         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
2487         * config/m68hc11/m68hc11.md: Include predicates.md.
2488         * config/m68hc11/predicates.md: New.
2490 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
2492         PR debug/19345
2493         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
2494         change checked in along with 2005-03-03's patch for debug/20253.
2495         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
2496         (remap_decl): Insert type decl in map earlier.
2498 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
2500         PR tree-optimization/20640
2501         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
2502         post-dominator if it has phi nodes.
2503         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
2504         before dead statements.
2506 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
2508         PR middle-end/20491
2509         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
2511 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
2513         PR rtl-optimization/20290
2514         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
2515         in every iteration if the entry point is the exit test.
2517 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
2519         * config/cris/cris.md (attribute "length"): Define.
2521 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
2523         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
2524         (word_offset_memref_operand): New.
2525         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
2526         (indexed_or_indirect_operand): Delete.
2527         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
2528         (indexed_or_indirect_operand): Delete.
2530         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
2532         PR 20650
2533         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
2534         a register.
2536         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
2537         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
2539 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
2541         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
2543 2005-04-01  Ian Lance Taylor  <ian@airs.com>
2545         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
2546         (rus, prus): Remove static variables.
2547         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
2548         (process_command): Permit report_times and use_pipes together.
2550 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
2552         * c-decl.c (validate_proto_after_old_defn): Look at
2553         TYPE_MAIN_VARIANT of argument types.
2555 2005-04-01  Paul Brook  <paul@codesourcery.com>
2557         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
2558         (arm_output_function_epilogue): Allow call_via_SP.
2559         (thumb_call_via_reg, arm_file_end): Ditto.
2560         * config/arm/arm.h (struct machine_function): Include space for SP.
2561         (thumb_call_via_label): Update declaration.
2563 2005-04-01  Ian Lance Taylor  <ian@airs.com>
2565         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
2566         doing a peephole optimization, once again put any notes in the
2567         proper position.
2569 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
2571         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
2573 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
2575         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
2576         (block_alloc, find_free_reg): Likewise.
2577         * loop-doloop.c (doloop_modify): Likewise.
2578         * loop-invariant.c (record_use): Likewise.
2579         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
2580         get_iv_value, canon_condition, eliminate_implied_condition,
2581         eliminate_implied_condition, simplify_using_initial_values,
2582         shorten_into_mode, canonicalize_iv_subregs,
2583         iv_number_of_iterations): Likewise.
2584         * loop-unroll.c (expand_var_during_unrolling): Likewise.
2585         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
2586         unswitch_loop): Likewise.
2587         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
2588         move_movables, replace_call_address, find_and_verify_loops,
2589         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
2590         record_giv, final_giv_value, general_induction_var,
2591         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
2592         loop_giv_dump): Likewise.
2594         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
2595         GCOV_CHECK_WRITING): Remove.
2596         (gcov_position, gcov_rewrite): Use gcc_assert.
2597         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
2598         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
2599         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
2600         gcc_assert.
2602 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
2604         * tree-inline.c: Fix a typo.
2606 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
2608         * configure.ac (enable-checking): Explicitly set all variables for
2609         collective switch values.  Alphabetize variables. Rename
2610         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
2611         synonym for 'no'.
2612         * doc/install.texi (enable-checking): Update documentation.
2613         * configure: Rebuilt.
2615 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
2617         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
2618         possible.
2620 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
2622         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
2623         Also reject cases where this pattern will cause load delay stalls
2624         unless optimizing for size and it will produce a shorter sequence.
2625         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
2626         variants to avoid pre-adjusting the base when possible.
2628 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
2630         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
2631         the frame and argument pointers.
2632         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
2633         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
2634         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
2635         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
2636         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
2637         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
2639 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
2641         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
2642         with entry for selectany attribute.
2643         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
2644         Declare.
2645         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
2646         (i386_pe_asm_named_section): Handle sections generated by
2647         selectany attribute.
2648         * doc/extend.texi (selectany): Document attribute.
2650 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
2651             Jan Hubicka  <jh@suse.cz>
2653         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
2654         to fix addresses involving EBP and ESP.
2655         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
2656         for SUBREGed registers.
2657         (legitimate_address_p): Accept SUBREGed registers.
2659 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
2661         PR c++/19406
2662         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
2663         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
2664         for FIELD_DECLs.
2666 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
2668         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
2670 2005-04-01  James E Wilson  <wilson@specifixinc.com>
2672         PR c++/20505
2673         * dwarf2out.c (rtl_for_decl_init): New function.
2674         (rtl_for_decl_location): Extracted from here.
2675         (tree_add_const_value_attribute): Call rtl_for_decl_init and
2676         add_const_value_attribute.  Delete initializer_constant_valid_p call.
2678 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
2680         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
2681         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
2682         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
2683         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
2684         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
2685         config/i386/i386.md, config/rs6000/predicates.md,
2686         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
2687         config/s390/s390.c, config/stormy16/stormy16.c,
2688         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
2689         typos.
2691 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
2693         PR c/17855
2694         * gimplify.c (gimplify_expr): Create a temporary for lvalue
2695         COND_EXPR and CALL_EXPR.
2697 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
2699         PR target/20632
2700         * genautomata.c (first_cycle_unit_presence): Check all alternative
2701         states for unit presence.
2703         * doc/md.texi: Remove remark about impossibility to query unit
2704         presence in non nondeterministic automaton state.
2705         
2706         * config/ia64/ia64.c (get_template): Change order of unit querying.
2708 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
2710         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
2711         obsolete comment.
2713 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
2715         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
2716         flag for edges outside any loops.
2718 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
2720         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
2722 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
2724         * tree-ssa-alias.c: Follow spelling conventions.
2725         * doc/tree-ssa.texi: Fix a typo.
2727 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
2729         * postreload-gcse.c: Include target.h.
2730         (gcse_after_reload_main): Return early if we cannot modify jumps.
2731         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
2733 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
2735         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
2736         expensive operations.
2738 2005-03-31  Ian Lance Taylor  <ian@airs.com>
2740         * collect2.c (lderrout): New variable.
2741         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
2742         if it is set, to stderr.
2743         (handler): Unlink lderrout if it is set.
2744         (dump_file): Add "to" parameter.  Change all callers.
2745         (main): Initialize lderrout.
2746         (collect_execute): Add errname parameter.  Change all callers.
2747         Rename redir parameter to outname.  Never pass
2748         PEX_STDERR_TO_STDOUT to pex_run.
2749         * collect2.h (collect_execute, dump_file): Update declarations.
2750         * tlink.c (tlink_execute): Add errname parameter.  Change all
2751         callers.
2752         (do_tlink): Check lderrout as well as ldout.
2754 2005-03-31  Caroline Tice  <ctice@apple.com>
2756         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
2757         (bb-reorder.o): Add errors.h to list of requirements.
2758         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
2759         profiledbootstrap flags.
2760         * bb-reorder.c (errors.h): Add new include.
2761         (struct bbro_basic_block_data_def): Add new field, in_trace.
2762         (add_unlikely_executed_notes):  Remove function.
2763         (mark_bb_for_unlikely_executed_section): Remove function.
2764         (insert_section_boundary_note): New function.
2765         (verify_hot_cold_block_grouping): New function.
2766         (push_to_next_round_p): Remove variables and tests that push all
2767         cold blocks to last round.
2768         (find_traces): Remove code that added extra round of trace finding
2769         when doing partitioning.
2770         (find_traces_1_round) :  Remove variable last_round;  add code to 
2771         update new struct field, in_trace; correct trace_length where it was 
2772         incorrect before (after call to copy_bb); change code that pushed all 
2773         cold blocks to last round. Instead verify that all blocks going into 
2774         a trace belong in the same partition.
2775         (connect_traces): Modify to connect the traces in two passes, if the
2776         function contains both hot and cold blocks.  The first pass connects 
2777         all the traces for blocks in the partition that the first block in 
2778         the function belongs to; the second pass connnects all the traces 
2779         containing blocks that belong in the other partition.
2780         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
2781         code that automatically put the first block in a function into the
2782         hot partition if the function had any hot blocks.
2783         (fix_crossing_unconditional_branches): Check number of succ edges 
2784         before attempting to get one.
2785         (fix_edges_for_rarely_executed_code):  Update comment describing
2786         function.
2787         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
2788         remove call to add_unlikely_executed_notes; add call to 
2789         verify_hot_cold_block_grouping.
2790         (duplicate_computed_gotos): Don't change computed goto if it's a 
2791         crossing edge.
2792         (partition_hot_cold_basic_blocks):  Update function comment.
2793         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from 
2794         condition.
2795         (try_forward_edges): Likewise.
2796         (merge_blocks_move_predecessor_nojumps): Likewise.
2797         (merge_blocks_move_successor_nojumps): Likewise.
2798         (merge_blocks_move): Likewise.
2799         (try_crossjump_bb): Likewise.
2800         * cfglayout.c (update_unlikely_executed_notes): Remove function.
2801         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
2802         notes to cold bb's; remove call to update_unlikely_executed_notes.
2803         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
2804         NOTE_INSN_SWITCH_TEXT_SECTIONS.
2805         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
2806         function declaration.
2807         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
2808         from consideration.
2809         (rtl_can_merge_blocks): Remove redundancy from condition.
2810         (try_redirect_by_replacing_jump): Likewise.
2811         (force_nonfallthru_and_redirect): Remove code for adding
2812         UNLIKELY_EXECUTED_CODE notes to cold bb's.
2813         (commit_one_edge_insertion): Likewise.
2814         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
2815         * dbxout.c (FORCE_TEXT): Replace function_section with 
2816         current_function_section.
2817         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
2818         function, switch_text_section.
2819         (struct xcoff_debug): Likewise.
2820         (dbxout_function_end): Add code to put out label diffs for both
2821         hot and cold sections.
2822         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
2823         for new debug_hooks funciton, switch_text_section..
2824         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
2825         switch_text_section.
2826         * dwarf2out.c (struct dw_fde_struct):  Add five new fields: 
2827         dw_fde_hot_section_label, dw_fde_hot_section_end_label, 
2828         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and 
2829         dw_fde_switched_sections.
2830         (output_call_frame_info):  Add test to see if function switches text
2831         sections in the middle; if so, use appropriate extra hot and cold 
2832         section labels to compute size deltas for the hot and cold sections.
2833         (dwarf2out_begin_prologue): Add code to initialize new fields in 
2834         dw_fde_struct.
2835         (dwarf2out_switch_text_section): New function (invoked through 
2836         debug_hook); updates new fields in dw_fde_struct appropriately and
2837         increments separate_line_info_table_in_use.
2838         (dwarf2_debug_hooks): Initialize switch_text_section function to be
2839         dwarf2out_switch_text_section.
2840         (struct var_loc_node): Add new field, section_label.
2841         (output_aranges): Add code to check whether in hot or cold section and
2842         use the appropriate label in calculating deltas.
2843         (output_ranges): Likewise.
2844         (output_line_info): Add code to check which section we're in and
2845         use appropriate hot/cold label.
2846         (add_location_or_constant_value_attribute): Likewise.
2847         (gen_subprogam_die): Modify arange attributes to use correct labels.
2848         (dwarf2out_begin_block): Change call to function_section into call to
2849         current_function_section.
2850         (dwarf2out_end_block): Likewise.
2851         (dwarf2out_source_line): Likewise.
2852         (dwarf2out_var_location): Add code to check whether in hot or cold 
2853         section and use the appropriate label.
2854         * except.c (output_function_exception_table): Change call to 
2855         function_section into call to current_function_section.
2856         * final.c (profile_function): Likewise.
2857         (scan_ahead_for_unlikely_executed_note): Remove function.
2858         (final_scan_insn):  Remove calls to 
2859         scan_ahead_for_unlikely_executed_note, and related code for switching 
2860         to cold section, except for the single time 
2861         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to 
2862         debug_hooks->switch_text_sections; replace appropriate calls to 
2863         function_section with calls to current_function_section.
2864         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add 
2865         test_bb to condition.
2866         (find_if_case_2): Likewise.
2867         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
2868         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
2869         * opts.c (decode_options): Change warning about hot/cold partitioning
2870         with exceptionss to inform (so as not to cause bootstrap failures);
2871         remove warning about partitioning with DWARF debug info.
2872         * output.h (current_function_section): Add new function decl.
2873         (insert_section_boundary_note): Likewise.
2874         (enum in_section): Move this declaration here from varasm.c.
2875         (unlikely_section_label): Likewise.
2876         (unlikely_text_section_name): Likewise.
2877         (last_text_section_name): New global variable.
2878         (last_text_section): Likewise.
2879         (hot_section_label): Likewise.
2880         (hot_section_end_label): Likewise.
2881         (cold_section_end_label): Likewise.
2882         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
2883         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
2884         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
2885         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note 
2886         insn from consideration.
2887         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function, 
2888         switch_text_section.
2889         * varasm.c (basic-block.h): Add new include.
2890         (unlikely_section_label_printed): Remove global variable.
2891         (unlikely_section_label): Make global variable not be static any more.
2892         (unlikely_text_section_name): Likewise.
2893         (hot_section_end_label): New global variable (not static)
2894         (first_function_block_is_cold): Likewise.
2895         (hot_section_label): Likewise.
2896         (cold_section_end_label): Likewise..
2897         (last_text_section): New global variable, not static.
2898         (last_text_section_name): New global variable, not static.
2899         (initialize_cold_section_name): New function.
2900         (enum in_section): Move declaration to output.h.
2901         (text_section): Update last_text_section.
2902         (unlikely_text_section): Replace code to determine cold section name 
2903         with call to initialize_cold_section_name; Add code to update 
2904         last_text_section; remove code for printing out label.
2905         (named_section_real): Add code to update last_text_section and 
2906         last_text_section_name as appropriate.
2907         (function_section): Change test for 'unlikely' to depend on
2908         first_function_block_is_cold (moved old test to 
2909         current_function_section).
2910         (current_function_section): New function.
2911         (assemble_start_function): Move code that frees 
2912         unlikely_text_section_name; initialize hot_section_end_label; 
2913         print hot and cold section labels at the start of the function; 
2914         set first_function_block_is_cold, if appropriate; initialize l
2915         ast_text_section; add call to insert_section_boundary_note.
2916         (assemble_end_function):  Add code to write out hot and cold section
2917         end labels.
2918         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
2919         switch_text_section.
2920         * config/darwin.c (machopic_select_section): Replace incorrect 
2921         function in base_funs; update reloc for cold sections if necessary.
2922         * config/darwin.h (SECTION_FUNCTION):  Add code to update 
2923         last_text_section if appropriate.
2924         (text_unlikely_section): Remove.
2925         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
2926         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
2927         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
2928         partitioning for this architecture.
2930 2005-03-31  Olivier Hainque  <hainque@adacore.com>
2932         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
2933         defined and non-zero.
2935 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2937         PR c++/18644
2938         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
2939         semantics. 
2941 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
2943         PR target/20611
2944         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
2945         label operand.  Remove (use (unspec..)).  Don't emit a label on
2946         the offset word.
2947         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
2948         generate inline label for load_toc_v4_PIC_1b.
2949         (rs6000_emit_load_toc_table): Likewise.
2951 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
2953         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
2954         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
2956 2005-03-29  Devang Patel  <dpatel@apple.com>
2958         * tree-sra.c (decide_block_copy): Disable scalarization of
2959         sub-elements.
2960         
2961 2005-03-30  Stuart Hastings  <stuart@apple.com>
2962             Dale Johannesen  <dalej@apple.com>
2964         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
2965         * print-tree.c (print_node):  Add case STATEMENT_LIST.
2967 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
2969         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
2970         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
2971         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
2972         is given with "powerpc64*" or "all", or when --with-cpu chooses
2973         a 64-bit cpu.
2975 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
2977         PR debug/20268
2978         * dwarf2out.c (add_high_low_attributes): New function, extracted from
2979         gen_lexical_block_die.
2980         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
2982 2005-03-31  Jan Hubicka  <jh@suse.cz>
2984         2004-11-02  Jan Hubicka  <jh@suse.cz>
2986         * cgraph.c (cgraph_varpool_node_name): New function.
2987         (dump_cgraph_varpool_node): New function.
2988         (dump_varpool): New function.
2989         * cgraphunit.c (cgraph_optimize): Dump varpool.
2991         2004-10-16  Jan Hubicka  <jh@suse.cz>
2993         * cgraph.c (decide_is_variable_needed): New function.
2994         (cgraph_varpool_finalize_decl): Use it.
2995         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
2996         unit-at-a-time.
2997         * final.c (output_addr_const): Do not call mark_referenced.
2998         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
2999         always go via cgraph.
3000         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
3001         (check_global_declarations): Ifdef out code clearing DECL_RTL.
3002         * tree-optimize.c (execute_inline): Mark functions called.
3003         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
3005         2004-10-11  Jan Hubicka  <jh@suse.cz>
3007         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
3008         (cgraph_varpool_last_needed_node): New static variable.
3009         (enqueue_needed_varpool_node): Break out from ...; add items to the
3010         end of queue; update first pointers.
3011         (cgraph_varpool_mark_needed_node): ... here.
3012         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
3013         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
3014         * cgraph.h (cgraph_varpool_node): Add analyzed field.
3015         (cgraph_varpool_first_unanalyzed_node): Declare.
3016         * cgraphunit.c: Include output.h.
3017         (cgraph_varpool_analyze_pending_decls): New function.
3018         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
3019         for errors, analyze pending decls.
3020         (cgraph_finalize_compilation_unit): Only analyze decls.
3021         (cgraph_optimize): Assemble the decls after expanding.
3023 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
3025         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
3026         subvars get marked properly in tags for grouping.
3027         (add_pointed_to_var): Mark only actual pointed to
3028         variables/subvars in addresses needed.
3029         (create_overlap_variables_for): Clear call clobbered on original
3030         variable.
3031         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
3032         addresable vars with subvars into list.
3033         * tree-ssa.c (verify_ssa_name): Verify original is not used where
3034         subvar should be.
3036 2005-03-30  Richard Henderson  <rth@redhat.com>
3038         * cgraph.h (struct cgraph_node): Add alias.
3039         * varasm.c (assemble_alias): Set it.
3040         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
3041         avoid calling cgraph_expand_function.
3043 2005-03-30  Tom Tromey  <tromey@redhat.com>
3045         * tree.def (FILE_TYPE): Removed.
3046         * typeclass.h (enum type_class): Removed file_type_class.
3047         * dwarf2out.c (is_base_type): Updated.
3048         (gen_type_die): Likewise.
3049         * dbxout.c (dbxout_type): Updated.
3050         * builtins.c (type_to_class): Updated.
3051         * tree.c (type_contains_placeholder_1): Updated.
3052         * config/sparc/sparc.c (sparc_type_code): Updated.
3053         * config/ia64/ia64.c (hfa_element_mode): Updated.
3054         * expr.c (count_type_elements): Updated.
3055         * stor-layout.c (layout_type): Updated.
3056         * tree-inline.c (remap_type): Updated.
3057         * tree-pretty-print.c (dump_generic_node): Updated.
3059 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
3061         * builtins.c (expand_builtin_powi): Fix mode of
3062         2nd argument to match int.
3063         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
3064         2nd argument type to int.
3065         * libgcc2.c: Change prototype of __powi* functions to use
3066         int.
3068 2005-03-30  Dale Johannesen  <dalej@apple.com>
3070         PR middle-end/19225
3071         * calls.c (expand_call):  Flush pending deferrals before
3072         throwing call.
3074 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
3076         PR c/772
3077         PR c/17913
3078         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
3079         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
3080         c_label_context, label_context_stack): New.
3081         * c-decl.c (define_label): Check for jumps into statement
3082         expressions.  Add label to list of defined labels.
3083         (start_function): Push context on label_context_stack.
3084         (finish_function): Pop context from label_context_stack.
3085         * c-typeck.c (label_context_stack): New.
3086         (c_finish_goto_label): Check for jumps into statement
3087         expressions.  Add label to list of jumped to labels.
3088         (struct c_switch): Add blocked_stmt_expr.
3089         (c_start_case): Initialize it.
3090         (do_case): Check it.
3091         (c_finish_case): Verify !blocked_stmt_expr.
3092         (c_begin_stmt_expr):  Push context on label_context_stack.
3093         Increment blocked_stmt_expr.  Mark labels jumped to from outside
3094         as undefinable.
3095         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
3096         defined in the statement expression and no longer jumpable to.
3097         Mark labels jumped to from just outside the statement expression
3098         as again definable.  Pop context from label_context_stack.
3099         * doc/extend.texi (Statement Exprs): Update.
3101 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
3103         PR c/20368
3104         * c-decl.c (start_function): Check for old_decl being
3105         error_mark_node.
3107 2005-03-30  Ian Lance Taylor  <ian@airs.com>
3109         * final.c (final): Remove prescan parameter.  Change all callers.
3110         (final_scan_insn): Remove prescan parameter.  Change all callers.
3112 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
3114         * tree-vectorizer.c: Fix comment typos.
3116 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
3118         * tree-scalar-evolution.c (instantiate_parameters_1): Return
3119         as soon as a chrec_dont_know is detected.
3121 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
3123         Merge from csl-arm-branch.
3124         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
3126         * tlink.c (recompile_files): Do not assume that "rename" can
3127         overwrite an existing file.
3129 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
3131         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
3132         * gcc/configure: Regenerate.
3134 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
3136         * doc/install.texi: Update binutils requirement for powerpc*-linux.
3138         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
3140         * calls.c (struct arg_data): Update "partial" comment.
3141         (load_register_parameters): Update "nregs" comment.
3143 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3145         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
3146         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
3147         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
3148         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
3149         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
3150         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
3151         than target_flags & 0.
3152         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
3153         (iq2000_arch, iq2000_parse_cpu): Delete.
3154         (TARGET_HANDLE_OPTION): Override default.
3155         (iq2000_handle_option): New function.
3156         (override_options): Remove -march= and -mcpu= handling.
3157         * config/iq2000/iq2000.opt: New file.
3159 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3161         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
3162         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
3163         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
3164         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
3165         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
3166         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
3167         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
3168         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
3169         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
3170         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
3171         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
3172         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
3173         (c4x_rpts_cycles_string, c4x_cpu_version_string)
3174         (TARGET_OPTIONS): Delete.
3175         (c4x_rpts_cycles, c4x_cpu_version): Declare.
3176         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
3177         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
3178         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
3179         (c4x_cpu_version_string): Delete.
3180         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3181         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
3182         equivalent -mcpu= option.
3183         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
3184         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
3185         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
3186         or clearing the appropriate MASK_* bit.
3187         (c4x_file_start): Use c4x_cpu_version.
3188         * config/c4x/c4x.opt: New file.
3190 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3192         * doc/options.texi: Document the new MaskExists flag.
3193         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
3194         if the option has the MaskExists flag.
3196 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
3198         * opt-functions.awk (flag_set_p, test_flag): New functions.
3199         (switch_flags): Use them.
3200         * opth-gen.awk: Use flag_set_p to check for flags.
3201         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
3203 2005-03-30  Ian Lance Taylor  <ian@airs.com>
3205         * config.host (i[34567]86-*-mingw32*): Don't set
3206         host_can_use_collect2 to no.
3208 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
3210         PR target/20203
3211         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
3212         Remove convert_memory_address call duplicating that in memory_address.
3214 2005-03-29  Richard Henderson  <rth@redhat.com>
3216         PR c/20519
3217         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
3218         (build_compound_literal): Likewise.  Propagate decl type into the
3219         initializer.
3220         (finish_decl): Likewise.  Use new return value from complete_array_type
3221         for zero sized arrays.
3222         (complete_array_type): Move ...
3223         * c-common.c (complete_array_type): ... here.  Change first argument
3224         to pointer-to-type-node.  Consistently use sizetype for the index
3225         except for zero sized arrays.  Detect zero sized arrays for pedantic
3226         mode diagnostics.  Create a new type node instead of modifying the
3227         old node in place.
3228         * c-tree.h (complete_array_type): Move decl ...
3229         * c-common.h (complete_array_type): ... here.
3231 2005-03-29  Richard Henderson  <rth@redhat.com>
3233         PR tree-opt/19108
3234         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
3236 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
3238         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
3239         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
3240         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
3241         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
3243 2005-03-29  Eric Christopher  <echristo@redhat.com>
3245         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
3246         truthvalue conversion removal.
3248 2005-03-29  Ian Lance Taylor  <ian@airs.com>
3250         PR bootstrap/14316
3251         * collect2.c: Never include <vfork.h>.
3252         (VFORK_STRING, vfork): Don't define.
3253         (pid): Remove global variable.
3254         (handler): Call raise instead of kill (getpid(), ...).
3255         (collect_wait): Add pex parameter.  Change all callers.  Use
3256         pex_get_status rather than pwait.
3257         (do_wait): Add pex parameter.  Change all callers.
3258         (collect_execute): Return struct pex_obj * rather than void.  Use
3259         pex routines rather than pexecute.
3260         (fork_execute): Get pex_obj from collect_execute, and pass it to
3261         do_wait.
3262         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
3263         Only declare quit_handler if SIGQUIT is defined.
3264         (scan_libraries): Likewise.
3265         * collect2.h (collect_execute): Update declaration.
3266         (collect_wait): Update declaration.
3267         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
3268         pass it to collect_wait.
3270 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
3272         PR c/20672
3273         * c-parser.c (c_parser_compound_statement_nostart): Give error
3274         message for EOF instead of just setting parser->error.
3276 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
3278         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
3279         (slpeel_update_phi_nodes_for_guard1): New function.
3280         (slpeel_update_phi_nodes_for_guard2): New function.
3281         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
3282         of slpeel_update_phi_nodes_for_guard.
3283         (vectorize_loops): Remove call to loop_closed_rewrite.
3284         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
3285         assertion.
3287 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
3289         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
3290         (TARGET_LITTLE_ENDIAN): New macro.
3291         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
3292         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
3293         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
3294         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
3295         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
3296         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
3297         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
3298         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
3299         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
3300         (TARGET_OPTIONS): Delete.
3301         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
3302         (CACHE_FLUSH_TRAP): Turn into an integer.
3303         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
3304         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
3305         -mflush-trap is in use.
3306         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
3307         (m32r_cache_flush_trap_string): Delete.
3308         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
3309         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
3310         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
3311         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3312         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
3313         -mmodel= and -msdata= handling from...
3314         (m32r_init): ...here.
3315         * config/m32r/m32r.opt: New file.
3317 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
3319         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
3320         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
3321         * tree-vect-analyze.c (vect_object_analysis): additional parm
3322         pass back a "struct ptr_info_def *" with the points-to info.
3323         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
3324         statement using info returned from vect_object_analysis.
3325         * tree-vect-transform.c (update_vuses_to_preheader): New function.
3326         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
3327         for virtual uses and defs when creating a replacement vector
3328         reference.  Call duplicate_ssa_name_ptr_info to define points-to
3329         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
3330         (vectorizable_store): copy_virtual_operands and update
3331         definition statements.
3332         (vectorizable_load): copy_virtual_operands.  Remove call to
3333         mark_call_clobbered_vars_to_rename for call to "const" builtin.
3334         * tree-vectorizer.c (vectorize_loops): Remove calls to
3335         rewrite_into_ssa and bitmap_clear (vars_to_rename).
3336         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
3337         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
3338         define macro STMT_VINFO_PTR_INFO for use in accessing.
3339         * tree.h add export of duplicate_ssa_name_ptr_info.
3340         * rs6000.c (altivec_init_builtins): Declare builtin function
3341         __builtin_altivec_mask_for_load to be "const".
3343 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
3345         PR middle-end/20622
3346         * cgraph.h (struct cgraph_varpool_node): Add alias field.
3347         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
3348         assemble_variable on aliases.
3349         * varasm.c (assemble_alias): Set node->alias.
3350         * toplev.c (wrapup_global_declarations): Don't call
3351         rest_of_decl_compilation on aliases again.
3353 2005-03-29  Paul Brook  <paul@codesourcery.com>
3355         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
3356         * config/arm/arm.c (arm_dbx_register_number): New function.
3357         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
3359 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
3361         PR middle-end/20263
3362         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
3363         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
3365 2005-03-29  Dale Johannesen <dalej@apple.com>
3367         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
3368         $(TREE_H) and $(COVERAGE_H).
3369         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
3370         * opts.c (common_handle_option): Enable tree-based value transforms.
3371         * toplev.c (process_options): Ditto.
3372         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
3373         refers to references to this type.
3374         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
3375         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
3376         for may_be_more, may_be_less.
3377         (rtl_gen_pow2_profiler): Adjust.
3378         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
3379         (rtl_gen_one_value_profiler): Adjust.
3380         (rtl_gen_const_delta_profiler): Adjust.
3381         * tree-profile.c (tree_gen_interval_profiler): Implement.
3382         (tree_gen_pow2_profiler): Ditto.
3383         (tree_gen_one_value_profiler): Ditto.
3384         (tree_profiling): New.
3385         (pass_tree_profile): Reference it.
3386         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
3387         tree.h, gcov-io.h.
3388         (insn_divmod_values_to_profile): Rename to
3389         rtl_divmod_values_to_profile. Adjust.
3390         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
3391         (insn_prefetch_values_to_profile): Adjust.
3392         (rtl_value_profile_transformations): Adjust.
3393         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
3394         (gen_mod_pow2): Rename to rtl_mod_pow2.
3395         (gen_mod_subtract): Rename to rtl_mod_subtract.
3396         (divmod_fixed_value_transform): Rename to
3397         rtl_divmod_fixed_value_transform.
3398         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
3399         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
3400         (rtl_find_values_to_profile): Adjust.
3401         (tree_value_profile_transformations): Implement.
3402         (tree_divmod_values_to_profile): New.
3403         (tree_values_to_profile): New.
3404         (tree_divmod_fixed_value): New.
3405         (tree_mod_pow2): New.
3406         (tree_mod_subtract): New.
3407         (tree_divmod_fixed_value_transform): New.
3408         (tree_mod_pow2_value_transform): New.
3409         (tree_mod_subtract_transform): New.
3410         (tree_find_values_to_profile): Implement.
3411         * profile.c (instrument_values):  Free histograms.
3412         (compute_value_histograms): Adjust. Implement tree version.
3414 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
3416         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
3417         * config/i386/i386.c (output_fix_trunc): Add new round_mode
3418         variable.  Output "fldcw" depending on round_mode.
3419         * config/i386/i386.md (UNSPEC_FIST): New.
3420         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
3421         New isns patterns to implement lrint and llrint built-ins as x87
3422         intrinsic function.
3423         (fistdi2, fist<mode>2 splitters): New splitters.
3424         (lrint<mode>2): New expanders.
3426 2005-03-28  Ian Lance Taylor  <ian@airs.com>
3428         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
3429         0 when calling final_scan_insn.
3431 2005-03-28  Jan Hubicka  <jh@suse.cz>
3433         PR middle-end/20635
3434         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
3435         as needed.
3437         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
3438         types where possible.
3440 2005-03-26  Per Bothner  <per@bothner.com>
3442         Make -f[no-]show-column also control non-cpp diagnostics.
3443         * c.opt (fshow-column): Move option from here ...
3444         * common.opt (fshow-column): ... to here.
3445         * diagnostic.c (diagnostic_build_prefix): Only print column number
3446         if flag_show_column.
3448 2005-03-27  Steven Bosscher  <stevenb@suse.de>
3450         * vax-protos.h (vax_output_int_move, vax_output_int_add,
3451         vax_output_conditional_branch): New prototypes.
3452         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
3453         extracted from vax.md mov and add patterns.
3454         (vax_output_conditional_branch): New function to output conditional
3455         branch instructions.
3456         * vax.md: Use mode macros for arithmetic and mov patterns.
3457         Use code macros for the jump patterns.
3459 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
3461         * Makefile.in (libbackend.o): Depend on version files;
3462         add custom generation command.
3464 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
3466         PR target/20636
3467         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
3468         sure that we have a REG before getting its REGNO.
3470 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3472         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
3473         * builtins.def (BUILT_IN_STRNDUP): New.
3475 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
3477         PR tree-optimization/20470
3478         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
3479         ABS(x-y).
3481 2005-03-25  Mike Stump  <mrs@apple.com>
3483         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
3484         sized objects.
3486 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
3488         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
3489         Use our own structure definitions.
3491         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
3492         (fix_truncdfsi2): Allow registers or memory as destination.
3493         When TARGET_PPC_GFXOPT, generate simplified pattern.
3494         (fix_truncdfsi2_internal): Use define_insn_and_split.
3495         (fix_truncdfsi2_internal_gfxopt): New.
3496         (fctiwz): Don't confuse register allocation by giving it no choices.
3497         (stfiwx): New.
3498         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
3499         (EXTRA_MEMORY_CONSTRAINT): Likewise.
3500         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
3501         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
3503 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
3505         * dominance.c (free_dominance_info): Speed up by freeing et
3506         data structures without maintaining other nodes.
3507         * et-forest.c (et_free_tree_force): New.
3508         * et-forest.h: Add a prototype for et_free_tree_force.
3510         * tree.c (get_set_constructor_bits,
3511         get_set_constructor_bytes): Remove.
3512         * tree.h: Remove the corresponding prototypes.
3514 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
3516         PR target/15491
3517         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
3518         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
3519         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
3520         PRE_DEC, NEG and NOT.
3522 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
3524         * fold-const.c: Convert uses of fold (build (...)) to
3525         fold_buildN.
3527 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
3529         PR rtl-optimization/20249
3530         * cse.c (insert_regs): Do not record equivalence of registers in
3531         different modes.
3533 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
3535         * emit-rtl.c (reverse_comparison): Remove.
3536         * rtl.h: Remove the corresponding prototype.
3538 2005-03-24  James E Wilson  <wilson@specifixinc.com>
3540         * doc/install.texi (--enable-altivec): Delete docs.
3542 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
3544         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
3545         SFmode and DFmode before reload when
3546         flag_unsafe_math_optimizations not enabled.
3548 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
3550         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
3552         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
3553         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
3555 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
3557         * configure.ac (enable-checking): Add 'runtime' option.
3558         * doc/install.texi (enable-checking): Document 'runtime' checking.
3559         * tsystem.h (gcc_assert, gcc_unreachable): Define.
3560         * config.in: Regenerated.
3561         * configure: Regenerated.
3563 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
3565         * optabs.h (enum optab_index): Remove OTI_llrint.
3566         (llrint_optab): Remove macro.
3567         * optabs.c (init_optabs): Remove llrint_optab initialization.
3568         * genopinit.c (optabs): Remove llrint_optab implementation.
3569         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
3570         using lrint_optab.
3572 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
3574         PR rtl-optimization/20532
3575         * simplify-rtx.c (simplify_binary_operation_1): Protect from
3576         overflow when adding coefficients for PLUS or MINUS.
3577         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
3578         two as multiplier.
3580 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
3582         * langhooks.h (truthvalue_conversion): Remove.
3583         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
3584         LANG_HOOKS_TRUTHVALUE_CONVERSION.
3585         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
3586         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
3587         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
3589 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
3591         * params.def: Fix a typo.
3592         * config/mips/mips.c: Follow the spelling convensions.
3593         * doc/invoke.texi: Fix typos.
3595 2005-03-18  Dale Johannese  <dalej@apple.com>
3597         * cp/tree.c (cp_tree_equal):  Handle SSA_NAME.
3599 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
3601         Fix PR tree-optimization/20601
3603         * tree-ssa-pre.c (insert_aux): Add missing condition to
3604         constification.
3606 2005-03-23  Ian Lance Taylor  <ian@airs.com>
3608         * final.c (final_scan_insn): Don't remove no-op instructions.
3609         * reload1.c (reload): Remove simple no-op instructions even when
3610         not optimizing.
3612 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
3614         PR tree-optimization/20501
3615         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
3616         reporting that peeling for alignment is applied moved to...
3617         * (vect_analyze_data_refs_alignment): Here.
3619 2005-03-23  Ian Lance Taylor  <ian@airs.com>
3621         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
3623 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3625         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
3626         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
3628 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
3630         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
3631         imply that this is called once, independent of asms in code.
3632         Adjust to now being pased output and input lists.  Mention helper
3633         function decl_overlaps_hard_reg_set_p.
3634         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
3635         hook_tree_tree_identity and to take three trees, returning third.
3636         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
3637         prototype.
3638         * stmt.c: include hard-reg-set.h before tree.h.
3639         (decl_overlaps_hard_reg_set_p): New function, broken out from...
3640         (decl_conflicts_with_clobbers_p): Call
3641         decl_overlaps_hard_reg_set_p.
3642         (expand_asm_operands): Pass output and input lists in call to
3643         targetm.md_asm_clobbers.
3644         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
3645         hook_tree_tree_tree_tree_3rd_identity.
3646         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
3647         parameters.
3648         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
3649         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
3650         parameters, first two unused.
3651         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
3652         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
3653         in constraint letters and MOF is not mentioned as a asm-declared
3654         register in neither of the input and output lists.
3656 2005-03-23  DJ Delorie  <dj@redhat.com>
3658         * optabs.c (expand_binop): Make sure the first subword's result
3659         gets stored.
3661 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
3663         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
3664         Call c_common_truthvalue_conversion rather than
3665         lang_hooks.truthvalue_conversion.
3666         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
3667         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
3668         c-typeck.c.
3669         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
3670         c_common_truthvalue_conversion.
3671         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
3672         c_parser_conditional_expression, c_parser_binary_expression): Call
3673         c_objc_common_truthvalue_conversion.
3674         * c-typeck.c (build_unary_op): Call
3675         c_objc_common_truthvalue_conversion.
3676         (build_conditional_expr): Do not call
3677         lang_hooks.truthvalue_conversion.
3678         (build_binary_op): Call c_common_truthvalue_conversion.
3679         (c_objc_common_truthvalue_conversion): Moved from
3680         c-objc-common.c.  Call default_function_array_conversion instead
3681         of default_conversion.
3683 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
3685         * c-common.h (default_conversion): Remove.
3686         (perform_integral_promotions): Add.
3687         * c-tree.h (default_conversion): Add.
3688         * c-typeck.c (perform_integral_promotions): New, split out from
3689         default_conversion.
3690         * c-common.c (check_case_value): Use perform_integral_promotions,
3691         not default_conversion.
3692         (c_add_case_label): Don't continue processing case label after
3693         found to be pointer.
3695 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
3697         * gcc.c (do_spec_1): Do not add a -L path for a directory in
3698         the prefix list if we have already added a multilib directory
3699         based on that path.
3700         (main): Do not add MD_EXEC_PREFIX to the list of directories to
3701         search with -L.
3703 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
3705         * reload1.c (indirect_symref_ok, reload_obstack): Make them
3706         static.
3707         * reload.h: Remove the prototype for indirect_symref_ok.
3709         * reload1.c (indirect_symref_ok): Make it global.
3710         * reload.h: Add a prototype for indirect_symref_ok.
3712 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
3714         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
3715         ashlhi3 expander.
3717 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
3719         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
3721 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
3723         * c-opts.c (c_common_parse_file): Only start/end main source file
3724         if debug hooks says the writer wants it.
3725         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
3726         member.
3727         (xcoff_debug_hooks): Ditto.
3728         * debug.c (do_nothing_hooks): Ditto.
3729         * debug.h (gcc_debug_hooks): Ditto.
3730         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
3731         * sdbout.c (sdb_debug_hooks): Ditto.
3732         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
3734 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
3736         * doc/extend.texi: Deprecate C++ min/max operators.
3738 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
3740         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
3741         artificial original candidates.
3743 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
3744             Jan Hubicka  <jh@suse.cz>
3745             Steven Bosscher <stevenb@suse.de>
3747         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
3748         call cost based on argument sizes.
3749         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
3750         inlining.
3751         * params.def: (max-inline-inssn-single): Set to 450.
3752         (max-inline-insns-auto): Set to 90.
3753         (max-inline-insns-recursive): Set to 450
3754         (max-inline-insns-recursive-auto): Set to 450.
3755         (large-function-insns): Set to 2700.
3756         (inline-call-cost): New parameter.
3757         * tree-inline.c (estimate_move_cost): New function.
3758         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
3759         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
3760         based on arguments.
3761         * tree-inline.h (estimate_move_cost): Declare.
3762         * invoke.texi: (max-inline-inssn-single): Change default to 450.
3763         (max-inline-insns-auto): Change default to 90.
3764         (max-inline-insns-recursive): Change default to 450
3765         (max-inline-insns-recursive-auto): Change default to 450.
3766         (large-function-insns): Change default to 2700.
3767         (inline-call-cost): Document new parameter.
3769 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
3771         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
3772         (TARGET_DEFAULT): Delete.
3773         * config/i860/i860.opt: New file.
3775 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
3777         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
3778         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
3779         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
3780         (frv_sched_lookahead): Delete.
3781         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
3782         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
3783         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
3784         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
3785         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
3786         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
3787         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
3788         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
3789         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
3790         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
3791         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
3792         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
3793         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
3794         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
3795         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
3796         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
3797         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
3798         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
3799         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
3800         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
3801         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
3802         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
3803         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
3804         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
3805         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
3806         (frv_sched_lookahead): Delete.
3807         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
3808         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3809         (frv_handle_option): New function.  Move -mcpu= handling from...
3810         (frv_override_options): ...here.  Remove handling of other
3811         TARGET_OPTIONS.
3812         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
3813         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
3814         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
3815         and TARGET_NO_MULTI_CE.
3816         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
3817         !TARGET_VLIW_BRANCH.
3818         * config/frv/frv.opt: New file.
3820 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
3822         * fold-const.c (fold_ternary): Take decomposed arguments of
3823         CALL_EXPR.
3824         (fold): Update a call to fold_ternary.
3826         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
3827         * tree.h: Add corresponding prototypes.
3829 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
3831         PR target/20561
3832         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
3833         between jump table and its label.
3834         * final.c (shorten_branches): Handle notes in between ADDR_VEC
3835         resp. ADDR_DIFF_VEC and the label preceeding it.
3836         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
3837         is emitted in the right section.
3839 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
3841         * fold-const.c (fold_unary, fold_binary): Update comments
3842         about arguments.
3844 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
3846         PR rtl-optimization/20527
3847         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
3848         REG_INC note, test that the register also isn't mentioned in PRED
3849         or SUCC.
3851 2005-03-22  Ben Elliston  <bje@au.ibm.com>
3853         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
3854         and definition.
3856 2005-03-21  Mike Stump  <mrs@apple.com>
3858         * varasm.c (default_assemble_visibility): Remove extra ().
3860 2005-03-21  Roger Sayle  <roger@eyesopen.com>
3862         PR middle-end/20557
3863         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
3864         to determine whether a block can be duplicated, rather than test
3865         whether the block contains noncopyable insns ourselves.
3867 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
3869         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
3870         predicates.
3872 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
3874         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
3876 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
3878         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
3879         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
3880         * config/fr30/fr30.opt: New file.
3882 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
3884         Fix PR tree-optimization/20542
3886         * tree-flow-inline.h (overlap_subvar): Move to here.
3887         * tree-ssa-operands.c: From here.
3888         * tree-flow.h (overlap_subvar): Declare.
3889         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
3890         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
3891         for variables with subvars.
3893 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
3895         PR middle-end/20177
3896         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
3897         * modulo-sched.c (const_iteration_count): Return on NULL
3898         pre-header.
3899         (print_node_sched_params): Return on NULL dump_file.
3900         (generate_reg_moves): Handle reg-anti dependencies and disregard
3901         closing branch when generating register moves.
3902         (sms_schedule): Mark the SMSed block dirty.
3903         * passes.c (rest_of_handle_sms): Call update_life_info for all
3904         basic-blocks.
3905         * testsuite/gcc.dg/20050321-1.c: New test.
3907 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
3909         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
3910         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
3911         movqi_internal): Likewise.
3913 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
3915         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
3916         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
3917         xtensa_b4const): Delete prototypes.
3918         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
3919         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
3920         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
3921         xtensa_extra_constraint): New prototypes.
3922         (add_operand, arith_operand, nonimmed_operand, mem_operand,
3923         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
3924         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
3925         move_operand, const_float_1_operand, fpmem_offset_operand,
3926         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
3927         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
3928         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
3929         argument type to HOST_WIDE_INT.
3930         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
3931         xtensa_mask_immediate): Likewise.
3932         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
3933         Likewise.  Also make these functions static.
3934         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
3935         (xtensa_const_ok_for_letter_p): New.
3936         (add_operand, arith_operand, nonimmed_operand, mem_operand,
3937         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
3938         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
3939         move_operand, const_float_1_operand, fpmem_offset_operand,
3940         branch_operator, ubranch_operator, boolean_operator): Move to
3941         predicates.md.
3942         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
3943         (xtensa_mem_offset): Change return type to bool.
3944         (xtensa_extra_constraint): New.
3945         (gen_int_relational): Update type of const_range_p function pointer.
3946         Use xtensa_b4const_or_zero.
3947         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
3948         xtensa_const_ok_for_letter_p.  Update comments.
3949         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
3950         (PREDICATE_CODES): Delete.
3951         * config/xtensa/xtensa.md: Include predicates.md.
3952         * config/xtensa/predicates.md: New file.
3954 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
3956         * config/v850/v850-protos.h: Remove the prototypes for
3957         reg_or_int9_operand, reg_or_const_operand,
3958         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
3959         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
3960         movsi_source_operand, power_of_two_operand,
3961         not_power_of_two_operand, special_symbolref_operand,
3962         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
3963         register_is_ok_for_epilogue.
3964         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
3965         reg_or_int9_operand, reg_or_const_operand,
3966         call_address_operand, special_symbolref_operand,
3967         movsi_source_operand, power_of_two_operand,
3968         not_power_of_two_operand, register_is_ok_for_epilogue,
3969         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
3970         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
3971         predicates.md.
3972         * config/v850/v850.h (PREDICATE_CODES): Remove.
3973         * config/v850/v850.md: Include predicates.md.
3974         * config/v850/predicates.md: New.
3976 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
3978         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
3979         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
3980         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
3981         (itoolsdir, itoolsdatadir): Move definition above new first use.
3982         (install-itoolsdirs): New rule.
3983         (install-mkheaders): Depend on install-itoolsdirs, not
3984         install-include-dir.
3986 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
3988         * tree-into-ssa.c: Remove obsolete comments.
3990 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
3992         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
3993         unrolling if -fpeel-loops is specified, too.
3994         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
3995         Remove superfluous check for flag_unroll_loops.
3997 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
3999         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
4000         (lrint_optab, llrint_optab): Define corresponding macros.
4001         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
4002         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
4003         pattern and llrint_optab using llrintdi2 patterns.
4004         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
4005         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
4006         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
4007         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
4008         flag_unsafe_math_optimizations is set.
4010 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
4012         * combine.c (combine_simplify_rtx, simplify_if_then_else,
4013         simplify_logical, if_then_else_cond, known_cond,
4014         simplify_comparison): Adjust calls to reverse_comparison.
4015         Don't use combine_reversed_comparison_code).
4016         (combine_reversed_comparison_code): Remove.
4017         (reversed_comparison): Using reversed_comparison_code, move it...
4018         * jump.c (reversed_comparison): ... here.
4019         * rtl.h (reversed_comparison): Add prototype.
4021 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
4023         * builtins.c (fold_builtin): Take decomposed arguments of
4024         CALL_EXPR.
4025         * fold-const.c (fold_ternary): Update a call to fold_builtin.
4026         * gimplify.c (gimplify_call_expr): Likewise.
4027         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
4028         * tree.h: Update the prototype of fold_builtin.
4030 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
4032         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
4033         * rtlhooks.c (gen_lowpart_no_emit_general): New.
4034         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
4035         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
4036         * simplify-rtx.c (simplify_binary_operation_1): Use it.
4038 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
4040         * builtins.c (fold_builtin_1): Take decomposed arguments of
4041         CALL_EXPR.
4042         (fold_builtin): Update a call to fold_builtin_1.
4044 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
4046         PR other/20564
4047         * gcov.c (output_lines): Only output function block summary when
4048         outputting branch information.
4049         * doc/gcov.texi: Document format of preamble and additional block
4050         information lines.
4052 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
4054         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
4055         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
4056         the defaults false if BITS_PER_UNIT != 8.
4057         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
4058         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
4059         than BITS_PER_UNIT != 8.
4060         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
4061         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
4062         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
4063         #undefs.
4064         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
4065         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
4067 2005-03-20  Roger Sayle  <roger@eyesopen.com>
4069         PR middle-end/20539
4070         * fold-const.c (fold_binary): Fix type mismatch between
4071         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
4072         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
4073         for non-truth-valued expressions.
4075         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
4076         and FUNCTION_DECL in the main switch.
4077         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
4078         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
4079         we also need to convert their operands to match.
4080         <TRUTH_NOT_EXPR>: Likewise.
4082 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
4084         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
4085         diagnostic without checking whether an lvalue.
4086         * c-common.h (lvalue_p): Remove.
4087         (enum lvalue_use): Update comment.
4088         (lvalue_or_else): Replace by lvalue_error.
4089         * c-typeck.c (lvalue_p): Make static.
4090         (lvalue_or_else): New.  Call lvalue_error.
4092 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
4094         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
4095         (function_arg_advance): Use rs6000_parm_start.
4096         (function_arg, rs6000_arg_partial_bytes): Likewise.
4098 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
4100         * c-common.c (check_case_value): Adjust comment about stripping
4101         NOPs.
4102         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
4103         * c-typeck.c (default_conversion, convert_arguments,
4104         build_modify_expr, convert_for_assignment, store_init_value,
4105         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
4106         manually.  Remove inaccurate comments.
4108 2005-03-20  Roger Sayle  <roger@eyesopen.com>
4109             Joseph S. Myers  <joseph@codesourcery.com>
4111         * varasm.c (do_assemble_alias): Restore comment describing function.
4112         Annotate the target parameter as potentially unused.
4114 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
4116         PR target/18551
4117         * config/avr/avr.c (avr_output_function_prologue): Do not use
4118         current_function_name() in a label, use a local label instead.
4120 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
4122         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
4123         flag_finite_math_only, not flag_unsafe_math_optimizations.
4125 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
4127         * builtins.c (fold_builtin_1): Update a call to
4128         targetm.fold_builtin.
4129         * hooks.c (hook_tree_tree_bool_null): Rename to
4130         hook_tree_tree_tree_bool_null.  Take one more argument of type
4131         tree.
4132         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
4133         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
4134         hook_tree_tree_tree_bool_null.
4135         * target.h (gcc_target): Update the prototype of fold_builtin.
4136         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
4137         arguments of CALL_EXPR.
4138         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
4139         new prototype.
4141 2005-03-20  Jan Hubicka  <jh@suse.cz>
4143         * cgraph.h (cgraph_node): Add prev_clone pointer.
4144         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
4145         (cgraph_clone_node): Produce doubly linked chain.
4147 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
4149         * c-common.c (handle_aligned_attribute, check_function_sentinel,
4150         get_nonnull_operand, handle_sentinel_attribute,
4151         check_function_arguments_recurse): Do not strip NOPS from
4152         INTEGER_CSTs.
4153         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
4154         Likewise.
4155         * c-format.c (get_constant): Likewise.
4156         * c-parser.c (c_parser_postfix_expression): Likewise.
4157         * c-typeck.c (set_init_index): Likewise.
4158         (convert_arguments): Don't check for NOP_EXPR containing integer
4159         constant.
4161 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
4163         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
4164         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
4165         Take decomposed arguments of CALL_EXPR.
4166         (fold_builtin_1): Update calls to the functions mentioned
4167         above.
4169 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
4171         * c-decl.c (check_bitfield_type_and_width): Require bit-field
4172         width to have integer type.
4173         (build_enumerator): Require enumerator value to have integer type.
4175 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
4177         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
4178         to __builtin_inff.
4180 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
4182         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
4183         std=iso9899:199x): Correct descriptions.
4185 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
4187         * config.gcc: Consistently use solaris2.1[0-9]* instead of
4188         solaris2.1[0-9].
4190 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
4192         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
4193         of CALL_EXPR.
4194         (expand_builtin_memcpy, fold_builtin_1): Update calls to
4195         fold_builtin_memcpy.
4197         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
4198         arguments of CALL_EXPR.
4199         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
4200         fold_builtin_found, fold_builtin_1): Update calls to
4201         fold_trunc_transparent_mathfn.
4203 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4205         PR middle-end/20493
4206         * fold-const.c (fold_widened_comparison): Don't optimize casts of
4207         function pointers on targets that require function pointer
4208         canonicalization.
4209         (fold_sign_changed_comparison): Likewise.
4211 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
4213         * combine.c (try_combine): When changing the mode of a hard reg, make
4214         sure that doing so is valid.
4216 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
4218         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
4219         (TARGET_HANDLE_OPTION): Override default.
4220         (avr_handle_option): New function.
4221         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
4222         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
4223         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
4224         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
4225         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
4226         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
4227         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
4228         (TARGET_OPTIONS): Delete.
4229         * config/avr/avr.opt: New file.
4231 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4233         * config/m32r/m32r-protos.h: Remove the prototypes for
4234         call_address_operand, symbolic_operand, seth_add3_operand,
4235         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
4236         reg_or_uint16_operand, reg_or_cmp_int16_operand,
4237         two_insn_const_operand, move_src_operand,
4238         move_double_src_operand, move_dest_operand,
4239         eqne_comparison_operator, signed_comparison_operator,
4240         large_insn_p, conditional_move_operand, carry_compare_operand,
4241         m32r_block_immediate_operand, extend_operand,
4242         reg_or_eq_int16_operand, int8_operand, and
4243         reg_or_zero_operand.
4244         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
4245         seth_add3_operand, int8_operand, cmp_int16_operand,
4246         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
4247         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
4248         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
4249         move_double_src_operand, move_dest_operand,
4250         eqne_comparison_operator, signed_comparison_operator,
4251         extend_operand, small_insn_p, large_insn_p,
4252         conditional_move_operand, carry_compare_operand,
4253         m32r_block_immediate_operand): Move to predicates.md.
4254         (MAX_MOVE_BYTES): Move to m32r.h.
4255         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
4256         * config/m32r/m32r.md: Include predicates.md.
4257         * config/m32r/predicates.md: New.
4259 2005-03-18  James E Wilson  <wilson@specifixinc.com>
4261         PR c++/19769
4262         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
4263         origin.
4265 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4267         * config/mn10300/mn10300-protos.h: Remove the prototypes for
4268         call_address_operand, const_8bit_operand.
4269         * config/mn10300/mn10300.c (call_address_operand,
4270         const_8bit_operand, const_1f_operand): Move to predicates.md.
4271         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
4272         * config/mn10300/mn10300.md: Include predicates.md.
4273         * config/mn10300/predicates.md: New.
4275 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
4277         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
4278         declarations in diagnostics and %E for identifiers, not %s.
4280 2005-03-18  Jan Hubicka  <jh@suse.cz>
4281             Dale Johannesen  <dalej@apple.com>
4283         * basic-block.h (scale_bbs_frequencies_int,
4284         scale_bbs_frequencies_gcov_type): Declare.
4285         * cfg.c (RDIV): New macro.
4286         (update_bb_frequency_for_threading): Fix.
4287         * basic-block.h (scale_bbs_frequencies_int,
4288         scale_bbs_frequencies_gcov_type): New.
4289         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
4290         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
4291         scale_bbs_frequencies_int.
4292         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
4294 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4296         * config/m32r/m32r-protos.h: Remove the prototypes for
4297         call_address_operand, symbolic_operand, seth_add3_operand,
4298         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
4299         reg_or_uint16_operand, reg_or_cmp_int16_operand,
4300         two_insn_const_operand, move_src_operand,
4301         move_double_src_operand, move_dest_operand,
4302         eqne_comparison_operator, signed_comparison_operator,
4303         large_insn_p, conditional_move_operand, carry_compare_operand,
4304         m32r_block_immediate_operand, extend_operand,
4305         reg_or_eq_int16_operand, int8_operand, and
4306         reg_or_zero_operand.
4307         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
4308         seth_add3_operand, int8_operand, cmp_int16_operand,
4309         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
4310         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
4311         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
4312         move_double_src_operand, move_dest_operand,
4313         eqne_comparison_operator, signed_comparison_operator,
4314         extend_operand, small_insn_p, large_insn_p,
4315         conditional_move_operand, carry_compare_operand,
4316         m32r_block_immediate_operand): Move to predicates.md.
4317         (MAX_MOVE_BYTES): Move to m32r.h.
4318         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
4319         * config/m32r/m32r.md: Include predicates.md.
4320         * config/m32r/predicates.md: New.
4322         * config/pa/pa-protos.h: Add prototypes for magic_milli and
4323         shadd_constant_p.
4324         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
4325         symbolic_operand, symbolic_memory_operand,
4326         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
4327         indexed_memory_operand, move_dest_operand, move_src_operand,
4328         prefetch_cc_operand, prefetch_nocc_operand,
4329         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
4330         arith_operand, arith11_operand, pre_cint_operand,
4331         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
4332         ireg_operand, int5_operand, uint5_operand, int11_operand,
4333         uint32_operand, arith5_operand, and_operand, ior_operand,
4334         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
4335         pc_or_label_operand, div_operand, plus_xor_ior_operator,
4336         shadd_operand, movb_comparison_operator,
4337         cmpib_comparison_operator): Move to predicates.md.
4338         (magic_milli, shadd_constant_p): Make it extern.
4339         * config/pa/pa.h (PREDICATE_CODES): Remove.
4340         * config/pa/pa.md: Include predicates.md.
4341         * config/pa/predicates.md: New.
4343         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
4344         predicate.
4346 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4348         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
4349         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
4350         config/alpha/freebsd.h, config/alpha/linux.h,
4351         config/alpha/netbsd.h, config/alpha/osf5.h,
4352         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
4353         config/h8300/h8300-protos.h, config/h8300/h8300.c,
4354         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
4355         doc/cppopts.texi: Update copyright.
4357 2005-03-18  Jan Hubicka  <jh@suse.cz>
4359         PR middle-end/20225
4360         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
4361         too late.
4362         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
4363         called too late.
4365 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4367         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
4368         VEC_safe_push.
4370 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
4372         * combine.c (gen_binary): Remove.
4373         (known_cond, simplify_shift_const, find_split_point,
4374         combine_simplify_rtx, simplify_if_then_else, simplify_set,
4375         simplify_logical, expand_field_assignment, extract_left_shift,
4376         force_to_mode, if_then_else_cond, apply_distributive_law,
4377         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
4378         simplify_comparison, reversed_comparison): Replace with
4379         simplify_gen_binary, simplify_gen_relational or
4380         distribute_and_simplify_rtx.
4381         (distribute_and_simplify_rtx): New function.
4383 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
4384             Paolo Bonzini  <gcc.gnu.org>
4386         * calls.c (setjmp_call_p, special_function_p): Update comments
4387         at the head of the functions.
4389 2005-03-18  Jan Hubicka  <jh@suse.cz>
4391         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
4393         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
4394         function body should be released; do not proactively release function
4395         bodies in non-unit-at-a-time mode.
4397 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
4399         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
4400         mno-fp-ret-in-387 multilib variants.
4402 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
4404         * common.opt (m): Remove.
4405         * opts.c (handle_option): Pass 'm' options to set_target_switch if
4406         table lookup fails.
4407         (common_handle_option): Remove OPT_m case.
4409 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
4411         * builtins.c (fold_builtin_bitop): Take decomposed arguments
4412         of CALL_EXPR.
4413         (fold_builtin_1): Update a call to fold_builtin_bitop.
4415         * builtins.c (fold_builtin_signbit): Take decomposed arguments
4416         of CALL_EXPR.
4417         (fold_builtin_1): Update a call to fold_builtin_signbit.
4419 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
4421         PR tree-optimization/20474
4422         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
4423         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
4425 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
4427         * config/h8300/h8300-protos.h: Remove prototypes for
4428         general_operand_src, general_operand_dst, single_one_operand,
4429         single_zero_operand, call_insn_operand,
4430         two_insn_adds_subs_operand, small_call_insn_operand,
4431         jump_address_operand, bit_operand, bit_memory_operand,
4432         stack_pointer_operand, const_int_gt_2_operand,
4433         const_int_ge_8_operand, const_int_qi_operand,
4434         const_int_hi_operand, incdec_operand, bit_operator,
4435         nshift_operator, eqne_operator, gtle_operator,
4436         gtuleu_operator, iorxor_operator.
4437         Add prototypes for h8sx_shift_type h8sx_classify_shift and
4438         h8300_ldm_stm_parallel.
4439         * config/h8300/h8300.c (h8sx_shift_type,): Move to
4440         h8300-protos.h.
4441         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
4442         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
4443         (h8300_ldm_stm_parallel): Make it extern.
4444         (h8300_ldm_parallel, h8300_stm_parallel,
4445         h8300_return_parallel, general_operand_src,
4446         general_operand_dst, h8300_dst_operand, h8300_src_operand,
4447         nibble_operand, reg_or_nibble_operand, single_one_operand,
4448         single_zero_operand, call_insn_operand,
4449         two_insn_adds_subs_operand, small_call_insn_operand,
4450         jump_address_operand, bit_operand, bit_memory_operand,
4451         stack_pointer_operand, const_int_gt_2_operand,
4452         const_int_ge_8_operand, const_int_qi_operand,
4453         const_int_hi_operand, incdec_operand, eqne_operator,
4454         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
4455         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
4456         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
4457         nshift_operator): Move to predicates.md.
4458         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
4459         * config/h8300/h8300.md: Include predicates.md.
4460         * config/h8300/predicates.md: New.
4462 2005-03-17  Richard Henderson  <rth@redhat.com>
4464         * config.gcc (ia64*-*-hpux*): Add extra_options.
4465         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
4466         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
4467         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
4468         (ia64_tls_size_string, ia64_tune_string): Remove.
4469         (ia64_tune): Init to PROCESSOR_ITANIUM2.
4470         (TARGET_DEFAULT_TARGET_FLAGS): New.
4471         (TARGET_HANDLE_OPTION): New.
4472         (ia64_override_options): Move options parsing ...
4473         (ia64_handle_option): ... here.  New.
4474         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
4475         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
4476         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
4477         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
4478         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
4479         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
4480         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
4481         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
4482         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
4483         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
4484         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
4485         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
4486         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
4487         TARGET_EARLY_STOP_BITS): Remove.
4488         (TARGET_ILP32): Default false.
4489         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
4490         (enum ia64_inline_type): New.
4491         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
4492         * config/ia64/ia64.md: Update for new definitions of
4493         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
4494         * config/ia64/ia64.opt: New file.
4495         * config/ia64/ilp32.opt: New file.
4497 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
4499         PR target/18380
4500         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
4502 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
4504         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
4505         instead of MASK_H8300S.
4506         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
4507         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
4508         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
4509         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
4510         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
4511         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
4512         TARGET_SWITCHES): Remove.
4513         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
4514         TARGET_H8300SX.
4515         * config/h8300/h8300.opt: New.
4517         * config/alpha/alpha.opt, config/arc/arc.opt,
4518         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
4519         notices.
4521 2005-03-17  Ian Lance Taylor  <ian@airs.com>
4523         * gmon.c: Remove.
4525 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
4527         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
4528         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
4529         (TARGET_HANDLE_OPTION): Override default.
4530         (arc_handle_option): New function.
4531         (arc_init): Remove code to set arch_cpu_string.
4532         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
4533         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
4534         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
4535         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
4536         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
4537         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
4538         (arc_rodata_string, TARGET_OPTIONS): Delete.
4539         * config/arc/arc.opt: New file.
4541 2005-03-17  Richard Henderson  <rth@redhat.com>
4543         * doc/extend.texi (Weak Pragmas): New section.
4544         (attribute alias): Clarify that target must be in the same
4545         translation unit.
4547 2005-03-17  Richard Henderson  <rth@redhat.com>
4549         * config/alpha/alpha.opt: New file.
4550         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
4551         of alpha_cpu.
4552         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
4553         alpha_fprm_string, alpha_fptm_string): Make static.
4554         (alpha_tls_size_string): Remove.
4555         (alpha_handle_option): New.
4556         (override_options): Update for alpha_cpu/alpha_tune split.
4557         (alpha_file_start): Likewise.
4558         (TARGET_DEFAULT_TARGET_FLAGS): New.
4559         (TARGET_HANDLE_OPTION): New.
4560         * config/alpha/alpha.h (alpha_tune): Declare.
4561         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
4562         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
4563         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
4564         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
4565         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
4566         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
4567         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
4568         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
4569         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
4570         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
4571         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
4572         (TARGET_DEFAULT): Remove MASK_FP.
4573         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
4574         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
4575         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
4576         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
4577         alpha_tls_size_string): Remove.
4578         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
4579         (attribute tune): Rename from attribute cpu.
4580         * config/alpha/ev4.md: Update to match.
4581         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
4582         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
4583         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
4584         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
4585         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
4586         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
4588 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
4590         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
4591         and return without creating new state if before_nops_num is nonzero.
4592         * config/ia64/ia64.md (first_insn): New attribute.
4593         (alloc): Set it to yes.
4595 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
4597         * tree-vectorizer.c (new_vec_stmt_info): Initialize
4598         STMT_VINFO_SUBVARS to NULL.
4599         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
4601 2005-03-16 Dale Johannesen  <dalej@apple.com>
4603         * rtlanal.c (find_first_parameter_load):  Rewrite to
4604         return actual first param load or the call if none,
4605         instead of first in block, when not all loads exist.
4607 2005-03-16  Roger Sayle  <roger@eyesopen.com>
4609         * optabs.c (expand_copysign_absneg): Make static.
4610         * optabs.h (expand_copysign_absneg): Delete prototype.
4611         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
4613 2005-03-16  Richard Henderson  <rth@redhat.com>
4615         PR middle-end/15700
4616         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
4617         (alias_pairs): Rename from output_defs.
4618         (find_decl_and_mark_needed): Split out from assemble_alias.
4619         (do_assemble_alias): New.
4620         (assemble_output_def): Remove.
4621         (finish_aliases_1, finish_aliases_2): New.
4622         (process_pending_assemble_output_defs): Remove.
4623         (assemble_alias): Defer aliases for which we don't yet have a
4624         non-external decl for the target symbol.
4625         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
4626         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
4627         * toplev.c (compile_file): Use finish_aliases_2 instead of
4628         process_pending_assemble_output_defs.
4629         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
4630         (process_pending_assemble_output_defs): Remove.
4632 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
4634         Fix PR tree-optimization/20489
4636         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
4637         for empty structures.
4639 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
4641         Fix PR tree-optimization/20490
4643         * tree-ssa-pre.c (create_expression_by_pieces): Use
4644         force_gimple_operand on result of fold.
4646 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
4648         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
4649         of closing parenthesis.
4651 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
4653         * builtins.c (expand_movstr): Update a call to
4654         fold_builtin_strcpy.
4655         (expand_builtin_strncpy): Update a call to
4656         fold_builtin_strncpy.
4657         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
4658         arguments of CALL_EXPR.
4659         (fold_builtin_1): Update calls to fold_builtin_strcpy and
4660         fold_builtin_strncpy.
4661         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
4662         * tree.h: Update the prototypes of fold_builtin_strcpy and
4663         fold_builtin_strncpy.
4665 2005-03-16  Steven Bosscher  <stevenb@suse.de>
4666             Dorit Naishlos  <dorit@il.ibm.com>
4668         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
4669         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
4670         error.
4672 2005-03-16  Steven Bosscher  <stevenb@suse.de>
4674         * tree-inline.c (walk_type_fields, walk_tree,
4675         walk_tree_without_duplicates): Move from here...
4676         * tree.c: ...to here.
4678 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
4680         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
4681         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
4682         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
4683         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
4684         (version): Define using $(BASEVER_c).
4685         (Makefile, config.status, build/gcov-iov.o): No longer depends on
4686         version.c.
4687         (version.o): Depend on version files; add custom generation command.
4688         (prefix.o): Define BASEVER on command line.
4689         (s-iov): Depend on version files; adjust command.
4690         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
4691         Add gcc-vers.texi.
4692         (gcc-vers.texi): New rule.
4693         (doc/%.info, doc/%.dvi): Add -I . to command line.
4694         (doc/gccinstall.dvi): Likewise.
4695         (PACKAGE): Delete.  All uses replaced with "gcc".
4696         * aclocal.m4: Do not include gcc-version.m4.
4697         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
4698         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
4699         Set is_release based on contents of DEV-PHASE.
4700         Set gcc_version based on contents of BASE-VER.
4701         Define WIN32_REGISTRY_KEY only if the user overrode the default.
4702         * config.in, configure: Regenerate.
4703         * gccbug.in: Determine version of GCC in use at runtime.
4704         * gcov-iov.c: Get version number and development phase from
4705         command line, not by including version.c.
4706         * intl.c: Replace all uses of PACKAGE with "gcc".
4707         * libada-mk.in: Delete unused "gcc_version" variable.
4708         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
4709         * version.c: (VERSUFFIX): New hook for redistributors; adjust
4710         commentary to match.
4711         (version_string): Put together from pieces.
4712         * config/alpha/x-vms: Do not use $(gcc_version).
4713         * config/i386/t-nwld: Likewise.
4714         * doc/include/gcc-common.texi: Include gcc-vers.texi for
4715         version-GCC and DEVELOPMENT.
4717 2005-03-15  Roger Sayle  <roger@eyesopen.com>
4719         PR tree-optimization/17454
4720         * tree.c (tree_size): Add case for TREE_BINFO.
4721         * fold-const.c (fold_checksum_tree): Only clear the overloaded
4722         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
4724 2005-03-15  Roger Sayle  <roger@eyesopen.com>
4726         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
4727         op1 whilst expanding the signed widenening multiply variant.
4729 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
4731         * toplev.c (display_target_options): Avoid unused variable warning if
4732         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
4733         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
4734         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
4735         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
4736         (mips_isa_info): New variable.
4737         (mips_parse_cpu): Remove the first argument and leave the caller
4738         to report errors.
4739         (TARGET_HANDLE_OPTION): Override default.
4740         (mips_handle_option): New function.  Move option validation code from...
4741         (override_options): ...here.  Update calls to mips_parse_cpu.
4742         * config/mips/mips.h (mips_arch_string, mips_tune_string)
4743         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
4744         (SUBTARGET_TARGET_OPTIONS): Delete.
4745         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
4746         (mno-flush-func, mtune=): New options.
4748 2005-03-15  Roger Sayle  <roger@eyesopen.com>
4749             Richard Henderson  <rth@redhat.com>
4751         * real.c (c4x_single_format, c4x_extended_format): Provide values
4752         for signbit_ro for c4x's single and extended floating point formats.
4753         * optabs.c (expand_copysign): Use the floating point format's
4754         signbit_ro for expanding via expand_copysign_absneg, and it's
4755         signbit_rw field for expanding via expand_copysign_bit.
4757 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
4759         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
4760         known_alignment_for_access_p.
4761         (known_alignment_for_access_p): New.
4762         (do_peeling_for_alignment): Field made int instead of bool and renamed
4763         to peeling_for_alignment.
4764         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
4765         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
4766         functionality used to be in vect_analyze_operations.
4767         (vect_analyze_operations): Code to determine vectorization factor was
4768         moved to vect_determine_vectorization_factor.
4769         (vect_enhance_data_refs_alignment): Update to correct alignment when it
4770         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
4771         factor.
4772         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
4773         be part of vect_analyze_operations).
4774         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
4775         creating the guard condition, as the number of iterations may be
4776         constant.
4777         (slpeel_tree_peel_loop_to_edge): Use new name of
4778         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
4779         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
4780         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
4781         (vect_do_peeling_for_alignment): Use fold.
4782         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
4784         (vect_update_inits_of_dr): Renamed to
4785         vect_update_init_of_dr.
4786         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
4787         (vectorizable_store): Fix assertion to use == instead of =.
4789 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
4791         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
4792         call_used_regs for wCG registers.
4794 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
4796         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
4797         for non-offsettable memory references to cope with outstanding reload
4798         replacements, take 2.
4800 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
4802         PR target/18668
4803         * config/i386/i386.h (x86_fisttp): New.
4804         (TARGET_FISTTP): New macro.
4805         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
4806         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
4807         instruction when fisttp flag is set.
4808         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
4810         * config/i386/i386.md (type attribute): Add fisttp.
4811         (unit attribute): Set to i387 for fisttp type.
4812         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
4813         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
4814         TARGET_FISTTP.
4815         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
4816         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
4817         macros.
4818         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
4819         patterns for TARGET_FISTTP.  Enable patterns for
4820         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
4821         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
4822         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
4823         implement fisttp x87 insn.
4824         (fix_trunc*_i387_fisttp splitters): New patterns.
4825         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
4826         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
4827         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
4828         clobber.
4829         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
4830         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
4831         Implement using mode macros. Disable patterns for TARGET_FISTTP.
4832         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
4833         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
4834         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
4835         Disable patterns for TARGET_FISTTP.
4836         (fix_trunc*_i387 splitters): Implement usign mode macros.
4837         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
4838         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
4839         (fix_trunx*_sse peephole2s): Implement using mode macros.
4841 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
4843         PR rtl-optimization/20291
4844         * combine.c (try_combine): If splitting fails, re-try with
4845         original combined pattern, i.e. before clobber stripping.
4847 2005-03-14  Eric Christopher  <echristo@redhat.com>
4849         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
4850         STACK_GROWS_DOWNWARD.
4852 2005-03-14  Roger Sayle  <roger@eyesopen.com>
4854         * real.h (struct real_format): Split the signbit field into two
4855         two fields, signbit_ro and signbit_rw.
4856         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
4857         mips_double_format, ieee_extended_motorola_format,
4858         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
4859         ieee_extended_intel_128_format, ibm_extended_format,
4860         mips_extended_format, ieee_quad_format, mips_quad_format,
4861         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
4862         i370_double_format, c4x_single_format, c4x_extended_format,
4863         real_internal_format): Update initializers for new field.
4864         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
4865         real_format structure.
4866         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
4867         field of the real_format structure.
4869 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
4871         Fix PR tree-optimization/20458
4873         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
4874         DECL_EXTERNAL on STRUCT_FIELD tags.
4875         (clear_call_clobbered): Ditto.
4876         * tree-ssa-operands.c (note_addressable): Make sure the original
4877         variable doesn't slip into the addressable list if we have
4878         subvars.
4879         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
4880         tags too.
4882 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
4884         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
4885         (-fwide-exec-charset): Likewise.
4886         (-finput-charset): Likewise.
4887         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
4888         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
4889         * c.opt (Wnormalized): New.
4891 2005-03-14  Devang Patel  <dpatel@apple.com>
4893         * doc/invoke.texi: Add reference to Visibility document.
4895 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
4897         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
4898         MASK_SPLIT_ADDRESSES.
4899         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
4900         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
4901         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
4902         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
4903         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
4904         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
4905         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
4906         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
4907         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
4908         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
4909         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
4910         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
4911         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
4912         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
4913         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
4914         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
4915         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
4916         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
4917         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
4918         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
4919         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
4920         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
4921         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
4922         (TARGET_EXPLICIT_RELOCS): Delete.
4923         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
4924         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
4925         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
4926         (override_options): Set MASK_LONG64 if -mint64 is given and no
4927         -mlongXX option is.  Complain about -mint64 -mlong32.
4928         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
4929         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
4930         * config/mips/mips.opt: New file.
4932 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
4934         * config.gcc (extra_options): New variable for listing option files.
4935         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
4936         * configure.ac (extra_opt_files): New AC_SUBST variable.
4937         (tm_file_list, tm_include_list): Include options.h first.
4938         * configure: Regenerate.
4939         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
4940         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
4941         (s-options-h): New rule.
4942         (options.h): Depend on it.
4943         (TEXI_GCCINT_FILES): Add options.texi.
4944         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
4945         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
4946         * target.h (gcc_target): Add default_target_flags and handle_option.
4947         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
4948         (TARGET_HANDLE_OPTION): New macros.
4949         (TARGET_INITIALIZER): Include them.
4950         * opt-functions.awk (opt_args, nth_arg): New functions.
4951         (switch_flags): Handle the "Target" flag.
4952         (var_args): Delete.
4953         (var_name): Use opt_args and nth_arg.
4954         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
4955         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
4956         macros for the "Mask" and "InverseMask" options.
4957         * opts.h (cl_var_cond): New enum.
4958         (cl_option): Replace the "has_set_value" and "set_value" fields with
4959         "var_cond" and "var_value".
4960         (CL_TARGET): New macro.
4961         (option_enabled, print_filtered_help): Declare.
4962         (decode_options): Move definition.
4963         * opts.c (handle_option): Search for the original option before
4964         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
4965         var_cond and var_value fields.  Use targetm.handle_option to handle
4966         target options.
4967         (decode_options): Set target_flags to targetm.default_target_flags.
4968         (print_filtered_help): Make global.  Handle CL_TARGET.
4969         (option_enabled): New function.
4970         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
4971         (display_target_options, set_target_switch, print_switch_values)
4972         (default_pch_valid_p): Guard uses of target_switches with
4973         #ifdef TARGET_SWITCHES.  Also...
4974         (display_target_options): Display the CL_TARGET entries in cl_options.
4975         (set_target_option): Don't complain about the "" option when
4976         TARGET_SWITCHES is undefined.
4977         (print_switch_values): Use option_enabled.
4978         (default_pch_valid_p): Check cl_options[] when looking for something
4979         that has changed the value of target_flags.
4980         * c.opt: Remove documentation from top of file.
4981         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
4982         * doc/sourecebuild.texi: Refer to the new options documentation
4983         instead of c.opt.  Document machine-specific .opt files.
4984         * doc/tm.texi (target_flags): Say that this variable is declared
4985         by options.h.
4986         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
4987         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
4988         an alternative.
4989         * doc/options.texi: New file.
4991 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
4993         PR middle-end/18628
4994         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
4995         register.
4997 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
4999         PR c++/20280
5000         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
5001         temporary variable of pointer type if an lvalues is required.
5002         (gimplify_modify_expr_rhs): Request an rvalue from it.
5003         (gimplify_expr): Pass fallback on.
5005 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
5007         * cfgbuild.c: Update comments.
5009 2005-03-14  Roger Sayle  <roger@eyesopen.com>
5011         PR rtl-optimization/17236
5012         * optabs.c (expand_doubleword_mult): New helper function split out
5013         from expand_binop.  Permute the order in which instructions are
5014         emitted to minimize the number of simultaneously live registers.
5015         (expand_binop): Call expand_doubleword_mult to synthesize a double
5016         word multiplication.
5018 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
5020         * basic-block.h: Update the prototypes of cached_make_edge and
5021         rtl_make_eh_edge.
5022         * cfg.c (cached_make_edge): Take edge_cache representing one
5023         row of the adjacency matrix of edges.
5024         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
5025         (make_edges): Initialize edge_cache to represent one row of
5026         the adjacency matrix of edges.
5028 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
5030         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
5031         New functions.
5032         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
5033         Remove unused removed_phis variable.
5034         (conditional_replacement): Use build1/build2.
5035         (abs_replacement): Use last_and_only_stmt and build1/build2.
5037 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
5039         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
5040         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
5041         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
5042         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
5043         * c-common.c (handle_novops_attribute): New function.
5044         (c_common_attribute_table): Add "no vops" entry.
5045         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
5046         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
5047         * tree-ssa-operands.c (get_call_expr_operands): Do not
5048         create virtual operands for calls with ECF_NOVOPS flag.
5049         * tree.h (DECL_IS_NOVOPS): New macro.
5050         (struct tree_decl): Add novops_flag.
5051         (ECF_NOVOPS): New constant.
5053 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
5055         PR target/17688
5056         * config/i386/i386.c (x86_use_himode_fiop): New.
5057         (x86_use_simode_fiop): Rename from x86_use_fiop.
5058         * config/i386/i386.h (x86_use_himode_fiop): Declare.
5059         (TARGET_USE_HIMODE_FIOP): New.
5060         (x86_use_simode_fiop): Rename from x86_use_fiop.
5061         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
5063         * config/i386/i386.md (X87MODEI12): New mode macro define.
5064         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
5065         to implement x87 FP compare with HImode input operands.
5066         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
5067         Use X87MODEI12 mode macro to handle HImode input operands.
5068         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
5069         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
5070         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
5071         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
5072         macro to implement x87 operators with HImode input operands.
5073         (fop splitters): Use X87MODEI12 mode macro to handle HImode
5074         input operands.
5076 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
5078         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
5079         integer_zerop.
5080         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
5081         constants invariant.
5083 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
5085         * basic-block.h (BB_VISITED): Removed.
5086         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
5088 2005-03-14  Falk Hueffner  <falk@debian.org>
5090         PR bootstrap/20424
5091         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
5093 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
5095         * ggc-zone.c: Fix comment typos.
5097         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
5098         stringpool.c, config/mips/mips-protos.h: Update copyright.
5100 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
5102         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
5103         throughout with its typedef, "rtx".
5104         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
5105         (rs6000_tls_symbol_ref_1): Remove inline keyword.
5106         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
5107         regs in comment to match code.
5109 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
5111         * except.c (check_handled): Make it static.
5112         * except.h: Remove the corresponding prototype.
5114         * function.c (get_func_frame_size): Make it static.
5115         * function.h: Remove the corresponding type.
5117         * regclass.c (reg_class_superclasses, reg_class_subclasses):
5118         Make them static.
5119         * hard-reg-set.h: Remove the corresponding declarations.
5121         * tree-cfg.c (verify_stmts): Check that
5122         bb_for_stmt (stmt) == bb for every PHI node and statement.
5124 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
5126         * config.gcc: Remove excess indentation.
5127         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
5129 2005-03-13  Roger Sayle  <roger@eyesopen.com>
5131         PR middle-end/19331
5132         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
5133         * fold-const.c (fold_sign_changed_comparison): Likewise.
5134         (fold_binary): Optimize comparisons against widened operands if
5135         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
5137 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
5139         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
5140         (sparc_override_options): Initialize it.
5141         (sparc_struct_value_rtx): Set it on the MEM to be returned.
5143 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
5145         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
5146         (reg_or_none500mem_operand): New predicate.
5147         (zero_reg_mem_operand): New predicate.
5148         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
5149         to reg_or_none500mem_operand.
5150         (extendsfdf2_fpr): Add MEM alternative.
5151         (extenddftf2_internal): Change operand2 predicate to
5152         zero_reg_mem_operand.
5154 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5156         * ggc-zone.c: Rewritten.
5158         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
5159         if there are none.
5160         * configure.ac: Define GGC_ZONE for --with-gc=zone.
5161         * config.in: Regenerated.
5162         * configure: Regenerated.
5163         * gengtype.c (write_types_process_field, write_func_for_structure):
5164         Pass new argument to gt_pch_note_object.
5165         * ggc-common.c (struct ptr_data): Add TYPE.
5166         (gt_pch_note_object): Take TYPE argument and save it.
5167         (call_count): Update call to ggc_pch_count_object.
5168         (call_alloc): Update call to ggc_pch_alloc_object.
5169         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
5170         file.
5171         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
5172         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
5173         (ggc_alloc_zone_stat): Delete.
5174         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
5175         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
5176         (ggc_pch_alloc_object): Update prototypes.
5177         (garbage_zone): Delete.
5178         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
5179         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
5180         pointers.
5181         (tree_id_zone): New variable.
5182         (ggc_alloc_cleared_zone): Remove unused.
5183         (ggc_alloc_zone): Define.
5184         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
5185         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
5186         ggc_alloc_zone_stat.
5187         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
5188         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
5189         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
5190         (make_node_stat): Likewise.  Use tree_id_zone.
5192 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5193             Joseph S. Myers  <joseph@codesourcery.com>
5195         * configure.ac: Check for MIPS TLS.
5196         * configure: Regenerated.
5197         * config/mips/mips-protos.h (enum mips_symbol_type): Add
5198         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
5199         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
5200         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
5201         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
5202         (mips_classify_symbol, mips_symbolic_constant_p)
5203         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
5204         (mips_tls_operand_p, mips_call_tls_get_addr)
5205         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
5206         (mips_tls_symbol_ref_1): New functions.
5207         (mips_legitimize_address, mips_legitimize_const_move): Call
5208         mips_legitimize_tls_address.
5209         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
5210         for MIPS16.
5211         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
5212         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
5213         (mips_char_to_class): Document V1_REG.
5214         (HAVE_AS_TLS): Provide default.
5215         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
5216         constants.
5217         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
5218         !TARGET_ABICALLS.
5219         (tls_get_tp_<mode>): New instruction.
5221 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5223         * configure.ac: Update checks for target tools.
5224         * configure: Regenerated.
5226 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
5228         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
5230 2005-03-13  Roger Sayle  <roger@eyesopen.com>
5232         * expmed.c (expand_mult): Use synthetic multiplication sequences for
5233         more classes of DImode multiplication by constant.  Allow both
5234         multiplication by small negative constants (by performing a
5235         multiplication by a positive constant and negating the result) and
5236         multiplications by large powers of two, by using a left shift.
5238 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
5240         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
5241         of basic blocks into work_stack.
5243         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
5244         config/mips/vr.h: Update copyright.
5246         * c-decl.c (c_init_decl_processing): Remove useless calls to
5247         build_function_type.
5249         * builtins.c (fold_trunc_transparent_mathfn,
5250         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
5251         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5252         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
5253         fold_builtin_strcpy, fold_builtin_strncpy,
5254         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
5255         TREE_TYPE (exp).
5257         * builtins.c (expand_builtin_mathfn_3): Remove local variable
5258         before_call.
5260         * lambda-code.c (lambda_compute_auxillary_space): Remove local
5261         variable determinant.
5263         * tree-cfg.c (group_case_labels): Remove local variable type.
5265         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
5266         variable ann.
5268         * tree-ssa-phiopt.c (value_replacement): Remove local variable
5269         result.
5271 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
5273         PR target/18251
5274         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
5275         (*movmemqi_insn): Delete.
5276         (*movmemhi): Delete.
5278 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
5280         * builtins.c (fold_builtin_classify): Take decomposed
5281         arguments of CALL_EXPR.
5282         (fold_builtin_1): Update a call to fold_builtin_classify.
5284 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
5286         PR c/20402
5287         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
5288         through into call to parser_xref_tag after parse error.
5289         (c_parser_struct_declaration): Consistently return NULL_TREE on
5290         error.
5292 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
5294         * tree-flow-inline.h (ref_contains_array_ref): New function.
5295         (lookup_subvars_for_var): Ditto.
5296         (get_subvars_for_var): Ditto.
5297         (var_can_have_subvars): Ditto.
5299         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
5300         (struct subvar): New type.
5302         * tree-dfa.c (okay_component_ref_for_subvars): New function.
5304         * tree-optimize.c (init_tree_optimization_passes): Call
5305         pass_create_structure_vars.
5307         * tree-ssa-alias.c: Include vec.h.
5308         (init_alias_info): Don't auto-clear call clobbered on struct-field
5309         tags.
5310         (compute_flow_insensitive_aliasing): Handle subvars.
5311         (group_aliases): Handle STRUCT_FIELD aliases.
5312         (setup_pointers_and_addressables): Ditto.
5313         Don't mark variables non-addressable if they still have
5314         addressable subvars.
5315         Also mark subvars addressable when the real variable is marked
5316         addressable.
5317         (add_pointed_to_var): Try to prune the pointed-to set by only
5318         pointing to subvars when possible.
5319         Otherwise, make sure we set addresses_needed and pt_vars to
5320         properly include subvars.
5321         (bitpos_of_field): New function.
5322         (push_fields_onto_fieldstack): Ditto.
5323         (get_or_create_used_part_for): Ditto.
5324         (create_overlap_variables_for): Ditto.
5325         (find_used_portions): Ditto.
5326         (create_structure_vars): Ditto.
5327         (pass_create_structure_vars): New structure.
5329         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
5330         (get_expr_operands): Handle subvars.  Also try to turn
5331         COMPONENT_REF accesses into must-defs now that we can accurately
5332         portray it.
5333         (note_addressable): Try to only mark as addressable those subvars
5334         we know a COMPONENT_REF touches.
5335         (overlap_subvar): New function.
5337         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
5338         Handle subvar storing.
5339         (vect_address_analysis): Update caller of vect_object_analysis.
5341         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
5343         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
5344         (STMT_VINFO_SUBVARS): New macro.
5346         * common.opts: add flag_tree_salias.
5348         * opts.c (decode_options): flag_tree_salias defaults to on.
5350         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
5352         * doc/tree-ssa.texi: Document structural alias analysis.
5354 2005-03-12  Steven Bosscher  <stevenb@suse.de>
5356         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
5357         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
5358         * tree-ssa-operands.c (get_expr_operands): Likewise.
5359         (get_expr_operands): Likewise for ERROR_MARK.
5361 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
5363         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
5364         var.
5366         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
5367         removed_phis.
5369         * tree-ssa-pre.c (compute_avail): Remove local variable val.
5370         (mark_operand_necessary): Remove local variable ver.
5372         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
5373         variable prefix_len.
5375         * value-prof.c (mod_subtract_transform): Remove local variable
5376         value.
5378         * builtins.c (fold_builtin_exponent): Take decomposed
5379         arguments of CALL_EXPR.
5380         (fold_builtin_1): Update a call to fold_builtin_exponent.
5382         * builtins.c (fold_builtin_logarithm): Take decomposed
5383         arguments of CALL_EXPR.
5384         (fold_builtin_1): Update a call to fold_builtin_logarithm.
5386         * c-decl.c (c_init_decl_processing): Remove local variables
5387         ptr_ftype_void and ptr_ftype_ptr.
5389         * gimplify.c (gimplify_expr): Remove local variables r0 and
5390         r1.
5392         * reg-stack.c (move_for_stack_reg): Remove local variable
5393         push_insn.
5394         (compare_for_stack_reg): Remove local variable flags_user.
5395         (convert_regs_1): Remove local variable deleted.
5397         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
5398         variable new_cond.
5399         (combine_blocks): Remove local variables exits and new_e.
5401         * tree-inline.c (expand_call_inline): Remove local variable
5402         decl.
5404         * tree-ssa-live.c (create_ssa_var_map,
5405         calculate_live_on_entry): Remove local variable snn.
5407 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
5409         * c-lex.c (c_lex_with_flags): Add parameter to call to
5410         cpp_spell_token.
5412 2005-03-11  Per Bothner  <per@bothner.com>
5414         * c-tree.h (struct c_declarator): New id_loc field.
5415         * c-pragma.h (c_lex_with_flags): Take position reference.
5416         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
5417         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
5418         (c_lex): Pass dummy location to c_lex_with_flags.
5419         * c-parser.c (c_lex_one_token): Set c_token's location using
5420         c_lex_with_flags, instead of input_location, which might be "ahead".
5421         (c_parser_direct_declarator): Set declarator's id_loc from
5422         c_token's id_loc.
5423         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
5424         declarator's id_loc, rather than probably-imprecise input_location.
5425         (build_id_declarator): Initialize c_declarator's id_loc field.
5427 2005-03-11  Roger Sayle  <roger@eyesopen.com>
5429         PR middle-end/20419
5430         * builtins.c (expand_builtin_signbit): Force the signbit's word
5431         into an integer register to avoid SUBREGs of floating point modes.
5433 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
5435         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
5436         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
5437         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
5438         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
5440 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
5442         PR rtl-optimization/20306
5443         * expr.c (emit_move_complex): Set try_int false if mode is
5444         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
5445         emit_block_move if try_int is true.
5447 2005-03-11  Richard Henderson  <rth@redhat.com>
5449         PR target/20415
5450         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
5451         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
5452         to match.
5454 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
5456         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
5457         (TARGET_FIX_VR4130): New macro.
5458         (TARGET_OPTIONS): Add -mfix-vr4130.
5459         (ISA_HAS_MACCHI): New macro.
5460         (ASM_SPEC): Add -mfix-vr4130.
5461         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
5462         (override_options): Handle mips_fix_vr4130_string.
5463         (mips_avoid_hazards): Clear all_noreorder_p
5464         if we're working around VR4130 errata and the macc alternatives
5465         are not available.
5466         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
5467         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
5468         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
5469         (MULTILIB_DEFAULTS): Remove leading "march=".
5470         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
5471         if no architecture option is given.
5472         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
5473         VR4130 multilibs.
5474         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
5475         * doc/invoke.texi: Document -mfix-vr4130.
5477 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
5479         * config/mips/mips.c (override_options): Only warn about -mint64
5480         deprecation if TARGET_INT64.
5482 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5484         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
5485         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
5486         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
5487         are non-specific regarding the nonnull parameter positions.
5488         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
5489         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
5490         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
5491         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
5493         * builtins.def: Use the non-specific "nonnull" attibute lists.
5495 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
5497         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
5498         single_pred_edge, single_succ, single_pred): Improve comments.
5500 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
5502         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
5503         single_pred_edge, single_succ, single_pred): New inline functions.
5504         * bb-reorder.c (rotate_loop, find_traces_1_round,
5505         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
5506         duplicate_computed_gotos): Use the single_succ/pred functions.
5507         * cfganal.c (forwarder_block_p): Ditto.
5508         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
5509         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
5510         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
5511         merge_seq_blocks): Ditto.
5512         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
5513         * cfglayout.c (fixup_reorder_chain): Ditto.
5514         * cfgloop.c (mark_single_exit_loops, update_latch_info,
5515         canonicalize_loop_headers, verify_loop_structure): Ditto.
5516         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
5517         mfb_update_loops, create_preheader, force_single_succ_latches,
5518         create_loop_notes): Ditto.
5519         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
5520         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
5521         commit_one_edge_insertion, purge_dead_edges,
5522         cfg_layout_can_merge_blocks_p): Ditto.
5523         * except.c (sjlj_emit_function_enter): Ditto.
5524         * flow.c (init_propagate_block_info): Ditto.
5525         * function.c (thread_prologue_and_epilogue_insns): Ditto.
5526         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
5527         insert_insn_end_bb): Ditto.
5528         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
5529         find_if_case_2): Ditto.
5530         * lambda-code.c (perfect_nestify): Ditto.
5531         * lcm.c (optimize_mode_switching): Ditto.
5532         * loop-doloop.c (doloop_modify): Ditto.
5533         * loop-init.c (loop_optimizer_init): Ditto.
5534         * loop-iv.c (simplify_using_initial_values): Ditto.
5535         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
5536         * loop-unswitch.c (unswitch_loop): Ditto.
5537         * modulo-sched.c (generate_prolog_epilog): Ditto.
5538         * predict.c (combine_predictions_for_insn, estimate_probability,
5539         tree_estimate_probability, last_basic_block_p,
5540         estimate_bb_frequencies): Ditto.
5541         * profile.c (branch_prob): Ditto.
5542         * regrename.c (copyprop_hardreg_forward): Ditto.
5543         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
5544         * tracer.c (layout_superblocks): Ditto.
5545         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
5546         cfg_remove_useless_stmts_bb, cleanup_control_flow,
5547         cleanup_control_expr_graph, disband_implicit_edges,
5548         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
5549         tree_verify_flow_info, tree_make_forwarder_block,
5550         tree_forwarder_block_p, remove_forwarder_block,
5551         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
5552         * tree-if-conv.c (tree_if_conversion): Ditto.
5553         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
5554         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
5555         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
5556         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
5557         copy_loop_headers): Ditto.
5558         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
5559         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
5560         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
5561         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
5562         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
5563         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
5564         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
5565         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
5566         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
5567         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
5568         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
5569         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
5570         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
5571         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
5572         slpeel_add_loop_guard): Ditto.
5574 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
5576         PR tree-optimization/15784
5577         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
5578         and -1 - A to ~A.
5580         * stmt.c (expand_case): Don't change index_type.  Convert minval
5581         to the proper type.
5583         PR tree-optimization/20130
5584         * fold-const.c (fold): Fold x * -1 into -x.
5586 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
5588         PR rtl-optimization/20331
5589         * rtlanal.c (modified_between_p): Check its address first for MEM.
5590         (modified_in_p): Likewise.
5592 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
5594         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
5596 2005-03-10  Steven Bosscher  <stevenb@suse.de>
5598         * expr.c (expand_expr_real_1): If possible, use a conditional
5599         move for expanding MIN_EXPR and MAX_EXPR.
5600         Use temp for moving around rtx-en.
5602 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
5604         PR rtl-opt/20412
5605         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
5606         correct mode.
5608 2005-03-10  Roger Sayle  <roger@eyesopen.com>
5610         * builtins.c (expand_builtin_signbit): Extend to handle floating
5611         point modes wider than the largest integer type, using the
5612         operand_subword_force function to obtain the signbit's word.
5614 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
5616         PR target/20322
5617         * combine.c (try_combine): If recog_for_combine added CLOBBERs
5618         to NEWI2PAT, fail to combine if they are used by NEWPAT.
5620 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
5622         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
5624 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
5626         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
5627         type void.
5628         (perform_edge_inserts): Unconditionally call
5629         free_dominator_info.
5631         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
5633 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
5635         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
5637 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
5639         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
5641         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
5642         gcc_unreachable.
5643         (rtl_register_value_prof_hooks,
5644         tree_value_profile_transformations,
5645         tree_register_value_prof_hooks): Likewise.
5646         * var-tracking.c (stack_adjust_offset_pre_post,
5647         variable_htab_free, variable_union, dataflow_set_different_2,
5648         count_uses, variable_was_changed, set_frame_base_location,
5649         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
5650         vt_add_function_parameters): Likewise.
5651         * varasm.c (named_section_real, named_section, make_decl_rtl,
5652         asm_emit_uninitialised, assemble_integer, decode_addr_const,
5653         const_hash_1, compare_constant, copy_constant, force_const_mem,
5654         output_constant_pool_2, output_constant_pool_1, output_constant,
5655         output_constructor, make_decl_one_only, decl_tls_model,
5656         default_no_named_section, default_elf_select_section_1,
5657         default_unique_section_1): Likewise.
5658         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
5659         * vmsdbgout.c (addr_const_to_string): Likewise.
5661         PR c++/20375
5662         * function.c (struct assign_parm_data_one): Remove last_named
5663         field.
5664         (assign_parm_find_data_types): Don't determine last_named.
5665         Reorder named_parm determination.
5666         (assign_parms): Only setup varargs on the last non-varadic
5667         parameter.
5669 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
5671         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
5672         sda base address on medium model.
5674 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
5676         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
5677         * cfgloop.c (flow_loop_nodes_find): Export.
5678         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
5679         Declare.
5680         * cfgloopmanip.c (fix_loop_structure): New function.
5681         * predict.c (predict_loops): Clean up the loops information.
5682         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
5683         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
5684         loop structure.
5685         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
5686         (rewrite_into_loop_closed_ssa): Declaration changed.
5687         * tree-loop-linear.c (linear_transform_loops): Add argument to
5688         rewrite_into_loop_closed_ssa call.
5689         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5690         * tree-ssa-loop-im.c (move_computations): Ditto.
5691         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
5692         * tree-vectorizer.c (vectorize_loops): Ditto.
5693         * tree-optimize.c: Include cfgloop.h.
5694         (execute_todo): Choose whether to call cleanup_tree_cfg or
5695         cleanup_tree_cfg_loop.
5696         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
5697         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
5698         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
5699         cleanup_tree_cfg_loop call.
5700         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
5701         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
5702         work on part of cfg.
5704 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
5706         PR inline-asm/20314
5707         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
5708         with multiple alternatives.
5710         * stmt.c (parse_output_constraint): Fix a typo.
5712 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
5714         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
5715         assembly directive instead of deprecated "no-generics".
5717 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
5719         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
5720         for non-offsettable memory references to cope with outstanding reload
5721         replacements.
5722         * config/s390/s390.md ("reload_outti"): Call find_replacement to
5723         avoid losing outstanding address reloads.
5724         ("reload_outdi", "reload_outdf"): Likewise.
5726 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5728         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
5729         code.  Add more cbrt transformations.
5731 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5733         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
5735 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
5737         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
5738         NULL_TREE when a given tree is not simplified.
5739         (fold): Return the original tree when any of the functions
5740         mentioned above NULL_TREE.
5742         * fold-const.c (fold_unary, fold_binary): Take decomposed
5743         arguments, code, type, op0, and op1 in case of fold_binary.
5744         (fold): Update calls to fold_unary and fold_binary.
5746 2005-03-09  Roger Sayle  <roger@eyesopen.com>
5748         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
5749         a fndecl and an arglist instead of a CALL_EXPR, exp.
5751 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
5753         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
5755         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
5757         * expr.c (expand_assignment): Remove orig_to_rtx.
5759         * fold-const.c (int_const_binop): Remove no_overflow.
5761         * ifcvt.c (noce_emit_move_insn): Remove inmode.
5763         * loop-iv.c (get_biv_step_1): Remove lhs.
5765         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
5767         * real.c (real_nan): Remove neg.
5769         * function.c (thread_prologue_and_epilogue_insns): Remove i
5770         and newinsn.
5772         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
5773         tb.
5775         * tree-eh.c (tree_could_trap_p): Remove idx.
5777         * tree-into-ssa.c (ann): Remove ann.
5779         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
5781         * tree-sra.c (decide_block_copy): Remove inst_count.
5783         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
5785         * tree-ssa-loop-im.c (lhs): Remove.
5787         * cfgbuild.c (state, STATE, SET_STATE,
5788         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
5789         make_edges.
5790         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
5791         (find_basic_blocks): Set the state of each basic block to
5792         BLOCK_NEW.
5794 2005-03-08  Jeff Law  <law@redhat.com>
5796         * tree-cfg.c (cleanup_control_flow): If removal of a computed
5797         goto results in the removal of edges in the CFG, then we need
5798         to recompute dominators.
5800 2005-03-09  Ben Elliston  <bje@au.ibm.com>
5802         * c-common.c (c_do_switch_warnings): Comment fix.
5804 2005-03-08  Julian Brown  <julian@codesourcery.com>
5806         * Patch from 2005-03-08 reverted for causing regressions and
5807         ppc-darwin bootstrap failure.
5809 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
5811         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
5812         Define the real function for ppc-darwin.
5813         * c-typeck.c (convert_arguments): Check for target-specific
5814         invalid argument call to unprototyped function.
5815         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
5816         New Macro.
5817         * target.h (invalid_arg_for_unprototyped_fn): New field
5818         in struct calls.
5819         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
5820         default target hook.
5821         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
5822         Declare.
5824 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
5826         * c-typeck.c (constructor_stack, constructor_range_stack,
5827         initializer_stack): Make them static.
5829         * cfg.c (rbi_pool): Make it static.
5831         * gimple-low.c (lower_stmt_body): Make it static.
5832         * tree-flow.h: Remove the corresponding prototype.  Don't
5833         declare lower_data.
5835         * sched-deps.c (cache_size): Make it static.
5837         * stor-layout.c (lang_adjust_rli): Make it static.
5839 2005-03-08  Julian Brown  <julian@codesourcery.com>
5841         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
5842         from being used for symbols with vague linkage when
5843         HAVE_GAS_COMDAT_GROUP is true.
5845 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
5847         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
5848         nlabel == JUMP_LABEL (jump).
5850 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
5852         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
5853         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
5854         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
5855         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
5857 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
5859         PR c/14411
5860         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
5861         * c-common.c (handle_returns_twice): New function.
5862         (c_common_attribute_table): Declare eturns_twice' attribute.
5863         * doc/extend.texi: Document eturns_twice' attribute.
5864         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
5865         (struct tree_decl): Add returns_twice_flag.
5867 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
5869         * tree-ssa-phiopt.c: Fix a comment typo.
5871         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
5872         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
5873         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
5874         copyright.
5876 2005-03-08  Richard Henderson  <rth@redhat.com>
5878         * config/alpha/alpha.c (code_for_builtin): Replace special-case
5879         builtin codes with ctzdi2, clzdi2, popcountdi2.
5880         (struct alpha_builtin_def): Add is_const.
5881         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
5882         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
5883         (alpha_init_builtins): Init them.  Set nothrow and const attributes
5884         on builtins.
5885         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
5886         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
5887         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
5888         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
5889         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
5890         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
5891         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
5892         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
5893         (TARGET_FOLD_BUILTIN): New.
5894         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
5895         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
5896         (ffsdi2): Use ctz.
5897         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
5899 2005-03-08  Ira Rosen  <irar@il.ibm.com>
5901         PR tree-optimization/20122
5902         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
5903         condition of access function instead of base.
5905 2005-03-07  Jeff Law  <law@redhat.com>
5906             Steven Bosscher  <stevenb@suse.de>
5908         * tree-cfg.c (find_taken_edge_computed_goto): New function.
5909         (find_taken_edge): Call find_taken_edge_computed_goto as
5910         appropriate.  Allow any gimple invariant rather than just
5911         INTEGER_CST for VAL.
5912         (cleanup_control_flow): Cleanup a computed goto which has turned
5913         into a simple goto.
5914         (tree_merge_blocks): If block B has any forced labels, move
5915         them to the start of block A.
5916         * tree-ssa-dom.c (thread_across_edge): Allow threading across
5917         computed gotos as well.
5918         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
5919         removal of unnecessary computed gotos too.
5920         (lookup_redirection_data): Fix type of INSERT argument.  Callers
5921         updated.
5923 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
5925         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
5926         Remove trailing spaces.
5928         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
5929         unshare_all_trees): Make them static.
5930         * tree-gimple.h: Remove the corresponding prototypes.
5932         * diagnostic.h: Remove unused prototype
5933         debug_output_buffer.
5934         * modulo-sched.c: Remove unused prototype
5935         set_row_column_for_ps.
5937         * tree-ssa-phiopt.c (tree_ssa_phiopt,
5938         replace_phi_edge_with_variable): Remove unused variable i.
5940 2005-03-07  Per Bothner  <per@bothner.com>
5942         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
5944 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
5946         PR tree-opt/17671
5947         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
5948         bbs on the COND_EXPR instead of the PHI_NODEs.
5949         (candidate_bb_for_phi_optimization): Remove.
5950         (replace_phi_with_stmt): Rename to ...
5951         (replace_phi_edge_with_variable): this and change so that we
5952         replace the phi argument instead of removing the PHI.
5953         (conditional_replacement): Change so we deal with PHI with more
5954         than two arguments.
5955         (value_replacement): Likewise.
5956         (abs_replacement): Likewise.
5958 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
5960         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
5961         output_e500_flip_gt_bit.
5963         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
5964         as bit 31.
5965         (rs6000_generate_compare): Fix logic to look at the correct bits.
5966         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
5967         Look at GT bit.
5968         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
5969         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
5970         gen_move_from_CR_gt_bit.
5972         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
5973         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
5974         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
5976         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
5977         (E500_CR_IOR_COMPARE): New constant.
5979 2005-03-08  Earl Chew <earl_chew@agilent.com>
5980             David Billinghurst <David.Billinghurst@riotinto.com>
5982         * config/i386/host-cygwin.c: New file to support precompiled
5983         headers on cygwin
5984         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
5985         * config.host: Use above files for cygwin host.
5987 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
5989         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
5990         ordering ops from earlier change.
5992 2005-03-07  Per Bothner  <per@bothner.com>
5994         Various fixes to allow us to again build if --enable-mapped-location:
5995         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
5996         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
5997         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
5998         local variable loc. Change logic appropriately.
5999         * tree-vect-transform.c (vect_finish_stmt_generation): Use
6000         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
6001         * c-parser.c (c_parser_for_statement): Initialize loc variable.
6002         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
6003         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
6005 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
6007         PR rtl-optimization/19683
6008         * reload1.c (choose_reload_regs): Pass the number of bits, not the
6009         number of bytes, to smallest_int_for_mode.  Fix arguments to
6010         REG_CANNOT_CHANGE_MODE_P.
6012 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
6014         * reorg.c (relax_delay_slots): Check that the jump is
6015         conditional before trying to invert it.
6017 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
6019         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
6020         Make them static.
6022         * calls (stack_arg_under_construction): Make it static.
6024         * flow.c (regs_live_at_setjmp): Make it static.
6025         * flow.h: Remove the corresponding prototype.
6027         * reload1.c (reload_startobj, reload_firstobj,
6028         something_needs_operands_changed, reload_inherited,
6029         reload_inheritance_insn, reload_override_in,
6030         reload_spill_index): Make them static.
6032         * recog.c (verify_changes): Make it static.
6033         * recog.h: Remove the corresponding prototype.
6035         * cfgbuild.c (find_sub_basic_blocks): Remove.
6036         * basic-block.h: Remove the corresponding prototype.
6037         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
6038         in comments.
6039         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
6041         * tree-ssa-operands.c (check_build_stmt): Remove.
6043         * stor-layout.c (set_alignment): Remove.
6044         * tree.h: Remove the corresponding prototype.
6046         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
6048         * tree-ssa-dce.c (control_dependence_map,
6049         visited_control_parents): Make them static.
6051         * cfghooks.c (verify_flow_info): Remove local variable
6052         num_bb_notes.
6054         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
6055         last_bb_seen.
6057         * loop-unswitch.c (unswitch_loop): Remove local variable src.
6059 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
6061         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
6063 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
6065         * config/ia64/hpux.h (LINK_SPEC): Add -z.
6066         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
6067         PARALLEL for an empty structure.
6069 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
6071         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
6073         * fold-const.c (fold_binary): Unroll the very first "for"
6074         loop.
6076 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
6078         * config/rs6000/predicates.md (branch_comparison_operator): Remove
6079         redundant match_code test.
6080         (scc_comparison_operator): Swap match_operand and match_code
6081         tests.
6082         (branch_positive_comparison_operator): Same.
6083         (trap_comparison_operator): Use comparison_operator and swap with
6084         match_code test.
6086 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
6088         PR target/20288
6089         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
6090         (out_movhi_r_mr): Read low byte of volatile MEM first.
6091         (out_movhi_mr_r): Write high byte of volatile MEM first.
6093 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
6095         * cselib.c (reg_values, reg_values_size): Make them static.
6097         * cse.c (cse_reg_info_table): Make it static.
6099         * fold-const.c (fold_unary): Use build1 instead of copy_node.
6101 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
6103         * cse.c (find_best_addr): Use canon_for_address.
6105 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
6107         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
6108         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
6109         SUBREG and MEM, respectively.
6111         * fold-const.c (fold_binary): Use code instead of t.
6113         * fold-const.c (optimize_minmax_comparison): Take decomposed
6114         arguments code, type, op0, and op1 instead of t.
6115         (fold_binary): Update a call to optimize_minmax_comparison.
6117         * fold-const.c (fold_range_test): Take decomposed arguments
6118         code, type, op0, and op1 instead of t.
6119         (fold_binary): Update a call to fold_range_test.
6121         * fold-const.c (fold_binary_op_with_conditional_arg): Take
6122         decomposed arguments code, type, op0, and op1 instead of t.
6123         (fold_binary): Update a call to fold_range_test.
6125 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
6127         * fold-const.c (fold_binary): Avoid directly using the original
6128         expression t as much as possible.
6130 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
6132         * c-semantics.c (build_stmt): Use TYPE_P instead of
6133         IS_NON_TYPE_CODE_CLASS.
6134         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
6135         (NON_TYPE_CHECK): Use TYPE_P instead of
6136         IS_NON_TYPE_CODE_CLASS.
6138         * fold-const.c (fold): Remove handling of binary expressions.
6140 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
6142         * doc/c-tree.texi: Wrap comments in @r{}.
6143         * doc/cpp.texi: Likewise.
6144         * doc/cppinternals.texi: Likewise.
6145         * doc/extend.texi: Likewise.
6146         * doc/md.texi: Likewise.
6147         * doc/objc.texi: Likewise.
6148         * doc/sourcebuild.texi: Likewise.
6149         * doc/tm.texi: Likewise.
6150         * doc/tree-ssa.texi
6152 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
6154         * predict.c (apply_return_prediction): Standardize PHI chain
6155         walking.
6156         * tree-ssa.c (ssa_redirect_edge): Likewise.
6158         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
6159         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
6160         Update copyright.
6162         * tree-phinodes.c (remove_phi_node): Drop the last argument.
6163         * tree-flow.h: Adjust the prototype for remove_phi_node.
6164         * lambda-code.c (perfect_nestify): Adjust a call to
6165         remove_phi_node.
6166         * tree-cfg.c
6167         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
6168         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
6169         Likewise.
6170         * tree-ssa-dce.c (remove_dead_phis): Likewise.
6171         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
6172         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
6173         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
6175         * combine.c (simplify_and_const_int): Use gen_int_mode instead
6176         of GEN_INT (trunc_int_for_mode (...)).
6177         * loop-iv.c (iv_number_of_iterations): Likewise.
6178         * postreload.c (reload_cse_move2add): Likewise.
6179         * simplify-rtx.c (simplify_const_unary_operation,
6180         simplify_const_binary_operation): Likewise.
6181         * stor-layout.c (get_mode_bounds): Likewise.
6183         * fold-const.c (fold_binary): New.
6184         (fold): Call fold_binary on binary expressions.
6186 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
6188         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
6189         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
6190         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
6191         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
6192         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
6194 2005-03-04  Devang Patel  <dpatel@apple.com>
6196         PR tree-optimization/18815
6197         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
6198         loops with zero exit edges.
6200 2005-03-04  Devang Patel  <dpatel@apple.com>
6202         * doc/invoke.texi: Remove reference to webpage that does not exist.
6204 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
6205             Joseph S. Myers  <joseph@codesourcery.com>
6207         PR c++/19797
6208         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
6209         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
6210         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
6211         * pa.c (get_plabel): Change argument to symbol_ref.  Call
6212         maybe_get_identifier instead of get_identifier.
6213         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
6214         (struct deferred_plabel): Replace name field with symbol field.
6215         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
6216         ASM_OUTPUT_EXTERNAL_REAL is defined.
6217         (output_global_address): Use output_addr_const for output of all
6218         symbol_refs.
6219         (output_deferred_plabels): Use symbol_ref instead of name for address
6220         output.
6221         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
6222         ASM_OUTPUT_SYMBOL_REF): New macros.
6223         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
6224         comment.
6225         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
6226         label.
6228 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
6230         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
6231         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
6233 2005-03-04  Jeff Law  <law@redhat.com>
6235         * basic-block.h (rediscover_loops_after_threading): Declare.
6236         * tree-ssa-dom.c: Include cfgloop.h.
6237         (tree_ssa_dominator_optimize): Discover loops and some basic
6238         properties.  Remove forwarder blocks recreated by loop header
6239         canonicalization.  Also mark backedges in the CFG.
6240         * tree-ssa-threadupdate.c: Include cfgloop.h
6241         (rediscover_loops_after_threading): Define.
6242         (struct local_info): New field, JUMP_THREADED.
6243         (prune_undesirable_thread_requests): New function.
6244         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
6245         then record that fact for the callers of redirct_edges.
6246         (thread_block): If BB has incoming backedges, then call
6247         prune_undesirable_thraed_requests.    Note when we are
6248         going to have to rediscover loop information.  Return a
6249         boolean indicating if any jumps were threaded.
6250         (thread_through_all_blocks): Bubble up boolean indicating
6251         if any jumps were threaded.
6252         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
6253         (tree-ssa-threadupdate.o): Similarly.
6255 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
6257         * fold-const.c (fold_ternary): Unroll the "for" loop to
6258         extract operands.
6260 2005-03-04  Andrew Haley  <aph@redhat.com>
6262         * unwind-dw2-fde-glibc.c (struct
6263         unw_eh_callback_data.check_cache): New field.
6264         (frame_hdr_cache): New.
6265         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
6266         Cache frame header info.
6268 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
6270         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
6271         (print_c_condition): Declare.
6272         * read-rtl.c (ptr_loc): New structure.
6273         (ptr_locs, ptr_loc_obstack, joined_conditions)
6274         (joined_conditions_obstack): New variables.
6275         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
6276         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
6277         (join_c_conditions, print_c_condition): New functions.
6278         (apply_macro_to_string): Associate the new string with the same
6279         source location as the old one.
6280         (add_condition_to_string): Use join_c_conditions.
6281         (read_string): Use set_rtx_ptr_loc to record a filename and line
6282         number for the string.
6283         (read_rtx): Initialize the new variables above.
6284         * genattrtab.c (write_test_expr, write_attr_value): Use
6285         print_c_condition.
6286         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
6287         comment above the GCC_VERSION check.
6288         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
6289         Inline the definition of MAYBE_EVAL.
6290         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
6291         * genoutput.c (process_template): Likewise.
6292         * genpreds.c (write_predicate_subfunction): Likewise.
6293         (write_predicate_expr): Use print_c_condition.
6294         * genrecog.c (write_cond): Likewise.
6295         * gensupport.c (process_rtx): Use join_c_conditions to join the
6296         conditions of a define_insn_and_split.  Record a source location
6297         for the string after the "&&".
6298         (alter_test_for_insn): Use join_c_conditions.
6300 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
6302         Revert for now:
6303         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
6304         PR tree-optimization/15784
6305         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
6306         and -1 - A to ~A.
6308 2005-03-04  Ben Elliston  <bje@au.ibm.com>
6310         * gcc.c (option_map): Add --coverage.
6311         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
6312         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
6313         * config/darwin.h: Pass -lgcov for `coverage'.
6314         * doc/invoke.texi (Debugging Options): Document --coverage.
6316 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
6318         * gcse.c (bypass_block): Use find_edge wherever possible.
6320 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
6322         Fix PR debug/20253
6324         * c-opts.c (c_common_parse_file): Call start_source_file
6325         and end_source_file at the approriate times.
6327         * dwarf2out.c (dwarf2out_finish): Don't auto-end
6328         the main file, it will be done for us now.
6330 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
6332         * fold-const.c (fold_ternary): New.
6333         (fold): Call fold_ternary on ternary expressions.  Remove
6334         handling of ternary expressions.
6336 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
6338         PR tree-optimization/15784
6339         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
6340         and -1 - A to ~A.
6342 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
6344         * config/rs6000/predicates.md (branch_comparison_operator):
6345         Convert from C block to conditional format.
6347 2005-03-03  Jan Hubicka  <jh@suse.cz>
6349         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
6350         and non-constant public variables.
6352 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
6354         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
6355         with LABEL_EXPR.
6357         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
6358         EDGE_I.
6360         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
6361         calls to release_ssa_name and release_phi_node.
6363         * fold-const.c (fold): Remove handling of unary expressions.
6365         * fold-const.c (fold_unary): Avoid directly using the original
6366         expression t as much as possible.
6368 2005-03-03  Roger Sayle  <roger@eyesopen.com>
6369             Andrew Pinski  <pinskia@physics.uc.edu>
6371         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
6372         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
6374 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
6376         Describe special registers SRP and MOF as allocatable registers.
6377         * config/cris/cris.c (cris_md_asm_clobbers): New function.
6378         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
6379         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
6380         TARGET_HAS_MUL_INSNS.
6381         (cris_print_operand) <case 'd'>: New case.
6382         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
6383         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
6384         define.
6385         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
6386         (REG_ALLOC_ORDER): Update for MOF.
6387         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
6388         SPECIAL_REGS.
6389         (GENERAL_REGS): No longer a define of ALL_REGS.
6390         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
6391         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
6392         Adjust accordingly.
6393         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
6394         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
6395         (SECONDARY_RELOAD_CLASS): Define.
6396         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
6397         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
6398         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
6399         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
6400         (REGISTER_MOVE_COST): Define.
6401         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
6402         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
6403         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
6404         (CRIS_MOF_REGNUM): New define_constants.
6405         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
6406         special registers.
6407         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
6408         New patterns.
6409         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
6410         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
6411         Adjust for MOF being properly described as a register.
6412         (indir_to_reg_split): Name this split.  Conditionalize on the
6413         destination register being a general register.
6414         (movei): Conditionalize on on operands 0 and 1 having the same
6415         register class.
6417 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
6419         PR target/20277
6420         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
6421         -mcpu to override any other explicitly given flags.
6423 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
6425         * recog.c (verify_changes, confirm_change_group): New functions,
6426         broken out of apply_change_group.
6427         (apply_change_group): Use them.
6428         * recog.h (verify_change, confirm_change_group): Declare.
6429         * rtl.h (redirect_jump_2): Declare.
6430         * jump.c (redirect_exp, invert_exp): Delete.
6431         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
6432         (redirect_jump_2): New function, broken out of redirect_jump.
6433         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
6434         (invert_jump): Use invert_jump_1 and redirect_jump_2.
6435         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
6437 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
6439         * varasm.c (named_section): Use xstrdup rather than doing it by
6440         hand.
6442         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
6444 2005-03-02  Devang Patel  <dpatel@apple.com>
6446         Undo PR tree-optimization/18815 fix.
6448 2005-03-02  Devang Patel  <dpatel@apple.com>
6450         PR tree-optimization/18815
6451         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
6452         loops with zero exit edges.
6454 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
6456         * cfg.c (connect_src, connect_dest, disconnect_src,
6457         disconnct_dest): New.
6458         (unchecked_make_edge, remove_edge, redirect_edge_succ,
6459         redirect_edge_pred): Use the new functions.
6461         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
6462         free_dominance_info only when needed.
6464 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
6466         PR target/20276
6467         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
6468         (reg_or_sub_cint64_operand): Same.
6470 2005-03-02  Jeff Law  <law@redhat.com>
6472         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
6473         CFG_ALTERED in the main DOM iteration loop.
6475 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
6477         PR c++/19916
6478         * varasm.c (initializer_constant_valid_p): Allow conversions
6479         between OFFSET_TYPEs.  Tidy.
6481 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
6483         * config/cris/cris.md ("return"): Remove epilogue delay list
6484         sanity check.
6486 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
6488         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
6489         for Thumb.
6490         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
6492 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
6494         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
6495         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
6496         config/m68k/m68k.c, config/mips/mips.h,
6497         config/rs6000/rs6000-protos.h, doc/contrib.texi,
6498         doc/include/gcc-common.texi: Update copyright.
6500         PR middle-end/18029 and PR middle-end/18030
6501         * expr.c (optimize_bitfield_assignment_op): Add a special case
6502         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
6504         * fold-const.c (fold_unary): New.
6505         (fold): Call fold_unary on unary expressions.
6507 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
6509         * cgraph.h (struct cgraph_edge): Add prev_caller and
6510         prev_callee fields.
6511         (cgraph_node_remove_callees): Export.
6512         * cgraph.c (cgraph_create_edge): Initialize prev_caller
6513         and prev_callee.
6514         (cgraph_edge_remove_callee): New function.
6515         (cgraph_edge_remove_caller): Likewise.
6516         (cgraph_remove_edge): Use.
6517         (cgraph_redirect_edge_callee): Likewise.
6518         (cgraph_node_remove_callees): New function.
6519         (cgraph_node_remove_callers): Likewise.
6520         (cgraph_remove_node): Use.
6521         * tree-optimize.c (tree_rest_of_compilation): Use
6522         cgraph_node_remove_callees instead of manual loop.
6523         * cgraphunit.c (cgraph_finalize_function): Likewise.
6524         (cgraph_expand_function): Likewise.
6525         (cgraph_remove_unreachable_nodes): Likewise.
6527 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
6529         PR c/8927
6530         * c-tree.h (undeclared_variable, build_external_ref): Add extra
6531         argument.
6532         * c-decl.c (undeclared_variable): Take location as argument.
6533         * c-typeck.c (build_external_ref): Likewise.
6534         * c-parser.c (c_parser_postfix_expression): Pass location of
6535         identifier to build_external_ref.
6537 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
6539         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
6540         CCEQ mode for branch_positive_comparison_operator test.
6541         * config/rs6000/predicates (branch_comparison_operator): Revert to
6542         define_predicate.
6543         (scc_comparison_operator): Same.
6544         (branch_positive_comparison_operator): Same.
6546 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
6548         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
6549         (cris_delay_slots_for_epilogue): Remove.
6550         (save_last): Move into cris_target_asm_function_epilogue.
6551         (cris_target_asm_function_epilogue): Remove tests for file being
6552         NULL.
6553         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
6554         (cris_delay_slots_for_epilogue): Remove prototypes.
6555         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
6556         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
6558 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
6560         * config/rs6000/predicates.md (branch_comparison_operator): Change
6561         to define_special_predicate.
6562         (scc_comparison_operator): Same.
6563         (branch_positive_comparison_operator): Same.
6565 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
6567         * Makefile.in (tree-ssa-sink.o): New.
6568         (OBJS-common): Add tree-ssa-sink.o.
6569         * common.opt: Add -ftree-sink
6570         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
6571         * timevar.def (TV_TREE_SINK): new timevar.
6572         * tree-flow.h (is_hidden_global_store): Prototype.
6573         * tree-optimize.c (init_tree_optimization_passes): Add
6574         pass_sink_code.
6575         * tree-pass.h (pass_sink_code): New.
6576         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
6577         for non-obvious global store store to is_hidden_global_store, and
6578         call that new function.
6579         * tree-ssa-sink.c: New file.
6580         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
6581         * doc/passes.texi: Document forward store motion.
6582         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
6583         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
6584         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
6585         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
6587 2005-03-01  Per Bothner  <per@bothner.com>
6589         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
6590         and we have a non-zero column-number, add it to the message.
6591         Also factor out the diagnostic_kind_text.
6593 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
6595         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
6596         flow_loop_pre_header_scan, flow_loop_pre_header_find,
6597         flow_loop_scan): Removed.
6598         (flow_loop_dump): Do not dump removed fields.
6599         (flow_loop_free): Do not free removed fields.
6600         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
6601         (loop_exit_edge_p): New function.
6602         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
6603         num_pre_header_edges, entry_edges, num_entries, exit_edges,
6604         num_exits, exits_doms.
6605         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
6606         LOOP_EDGES, LOOP_ALL): Removed.
6607         (flow_loop_scan): Declaration removed.
6608         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
6609         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
6610         flow_loops_find.
6611         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
6612         (if_convert): Call flow_loops_find and flow_loops_free
6613         when calling mark_loop_exit_edges.
6614         * cfgloopanal.c (mark_loop_exit_edges): Moved from
6615         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
6616         free_dominance_info calls.
6617         * loop-init.c (flow_loops_find): Ditto.
6618         * passes.c (rest_of_handle_branch_prob): Ditto.
6619         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
6620         * loop-unroll.c (analyze_insns_in_loop): Do not use
6621         EDGE_LOOP_EXIT.
6622         * predict.c (predict_loops): Do not call flow_loop_scan.
6623         Use get_loop_exit_edges.
6624         (tree_estimate_probability): Do not pass flags to flow_loops_find.
6625         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
6626         Do not use EDGE_LOOP_EXIT.
6627         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
6628         to bb_with_exit_edge_p.
6629         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
6630         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
6631         to bb_with_exit_edge_p.
6632         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
6633         EDGE_LOOP_EXIT.
6634         * tree-loop-linear.c (linear_transform_loops): Do not call
6635         flow_loop_scan.  Use loop->single_exit.
6636         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
6637         (vect_analyze_loop_form): Do not call flow_loop_scan.
6638         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
6639         loop->single_exit.
6640         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
6641         loop->single_exit.
6642         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
6643         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
6644         slpeel_tree_duplicate_loop_to_edge_cfg,
6645         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
6646         Use loop_preheader_edge and loop->single_exit.  Do not call
6647         flow_loop_scan.
6649 2005-03-01  Nick Clifton  <nickc@redhat.com>
6651         * config/arm/arm.c (thumb_find_work_register): Check all of the
6652         argument registers to see if they are free, and a couple of
6653         special cases where the last argument register but can be proved
6654         to be available during the function's prologue.
6655         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
6656         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
6657         thumb_unexpanded_epilogue): Use unsigned long as the type for the
6658         register bit-mask.
6659         (thumb_compute_save_reg_mask): Likewise.  Also use
6660         thumb_find_work_register() to ensure that there is agreement about
6661         which work register is going to be used in the prologue.
6662         (thumb_output_function_prologue): Use unsigned long as the type
6663         for the register bit-mask.  Also delay pushing the link register if
6664         other high registers are going to be pushed.
6665         (thumb_compute_save_reg_mask, emit_multi_reg_push,
6666         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
6667         redundant prototypes.
6669 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
6671         PR target/19819
6672         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
6673         and after reload in REG+REG indexed addresses without REG_POINTER
6674         set in the base and not set in the index.
6676 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
6678         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
6679         Don't undefine here.
6680         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
6681         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
6682         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
6683         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
6684         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
6685         Delete.
6686         * config.gcc (sh*-*-linux*): Use config/linux.h.
6688 2005-02-28  Dale Johannesen  <dalej@apple.com>
6689             Stan Shebs  <shebs@apple.com>
6691         Rewrite of 64-bit Darwin structure-by-value pass/return.
6692         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
6693         intoffset, use_stack, named.
6694         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
6695         (rs6000_darwin64_record_arg_advance_flush):  New.
6696         (rs6000_darwin64_record_arg_advance_recurse): New.
6697         (rs6000_darwin64_record_arg_flush):  New.
6698         (rs6000_darwin64_record_arg_recurse):  New.
6699         (rs6000_darwin64_record_arg):  New.
6700         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
6701         (function_arg_boundary):  Handle 128-bit aligned structs.
6702         (function_arg_advance):  Rewrite darwin64 struct handling.
6703         (function_arg):  Call rs6000_darwin64_record_arg.
6704         (function_arg_partial_nregs):  Handle darwin64 structs.
6705         (rs6000_darwin64_function_value):  Remove.
6706         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
6708 2005-02-28  Roger Sayle  <roger@eyesopen.com>
6710         PR tree-optimization/20216
6711         * tree-chrec.c (tree_fold_factorial): Delete.
6712         (tree_fold_binomial): Change argument list to take a return type
6713         and change the type of K to unsigned int.  Rewrite to avoid explicit
6714         evaluation of factorials, and (recursively) calling fold to perform
6715         compile-time arithmetic.  Return NULL on (internal) overflow.
6716         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
6717         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
6718         if any intermediate calculation overflows.
6719         (chrec_apply): Update call to chrec_evaluate.
6721 2005-02-28  James E Wilson  <wilson@specifixinc.com>
6723         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
6725 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
6727         PR c/20245
6728         * c-parser.c (c_parser_compound_statement): Return error_mark_node
6729         instead of NULL_TREE on error.
6731 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
6733         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
6734         (EASY_VECTOR_15_ADD_SELF): Remove.
6735         (num_insns_constant_wide): Not static.
6736         (validate_condition_mode): Not static.
6737         (toc_relative_expr_p): Not static.
6738         (legitimate_indirect_address_p): Not static.
6739         (macho_lo_sum_memory_operand): Not static.
6740         (invalid_e500_subreg): Not static.
6741         (easy_vector_same): Not static.
6742         (easy_vector_splat_const): Not static.
6743         (RS6000_SYMBOL_REF_TLS_P): Remove.
6744         (any_operand): Delete.
6745         (any_parallel_operand): Delete.
6746         (count_register_operand): Delete.
6747         (altivec_register_operand): Delete.
6748         (xer_operand): Delete.
6749         (s8bit_cint_operand): Delete.
6750         (short_cint_operand): Delete.
6751         (u_short_cint_operand): Delete.
6752         (non_short_cint_operand): Delete.
6753         (exact_log2_cint_operand): Delete.
6754         (gpc_reg_operand): Delete.
6755         (cc_reg_operand): Delete.
6756         (cc_reg_not_cr0_operand): Delete.
6757         (reg_or_short_operand): Delete.
6758         (reg_or_neg_short_operand): Delete.
6759         (reg_or_aligned_short_operand): Delete.
6760         (reg_or_u_short_operand): Delete.
6761         (reg_or_cint_operand): Delete.
6762         (reg_or_arith_cint_operand): Delete.
6763         (reg_or_add_cint64_operand): Delete.
6764         (reg_or_sub_cint64_operand): Delete.
6765         (reg_or_logical_cint_operand): Delete.
6766         (got_operand): Delete.
6767         (got_no_const_operand): Delete.
6768         (easy_fp_constant): Delete.
6769         (easy_vector_constant): Delete.
6770         (easy_vector_constant_add_self): Delete.
6771         (zero_constant): Delete.
6772         (zero_fp_constant): Delete.
6773         (volatile_mem_operand): Delete.
6774         (offsettable_mem_operand): Delete.
6775         (mem_or_easy_const_operand): Delete.
6776         (add_operand): Delete.
6777         (non_add_cint_operand): Delete.
6778         (logical_operand): Delete.
6779         (non_logical_cint_operand): Delete.
6780         (mask_operand): Delete.
6781         (mask_operand_wrap): Delete.
6782         (mask64_operand): Delete.
6783         (mask64_2_operand): Delete.
6784         (and64_operand): Delete.
6785         (and64_2_operand): Delete.
6786         (and_operand): Delete.
6787         (reg_or_mem_operand): Delete.
6788         (lwa_operand): Delete.
6789         (symbol_ref_operand): Delete.
6790         (call_operand): Delete.
6791         (current_file_function_operand): Delete.
6792         (input_operand): Delete.
6793         (rs6000_nonimmediate_operand): Delete.
6794         (rs6000_tls_symbol_ref): Delete.
6795         (save_world_operation): Delete.
6796         (restore_world_operation): Delete.
6797         (load_multiple_operation): Delete.
6798         (store_multiple_operation): Delete.
6799         (vrsave_operation): Delete.
6800         (mfcr_operation): Delete.
6801         (mtcrf_operation): Delete.
6802         (lmw_operation): Delete.
6803         (stmw_operation): Delete.
6804         (branch_comparison_operator): Delete.
6805         (branch_positive_comparison_operator): Delete.
6806         (scc_comparison_operator): Delete.
6807         (trap_comparison_operator): Delete.
6808         (boolean_operator): Delete.
6809         (boolean_or_operator): Delete.
6810         (min_max_operator): Delete.
6811         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
6812         (EASY_VECTOR_15): Moved to here.
6813         (EASY_VECTOR_15_ADD_SELF): Move to here.
6814         (PREDICATE_CODES): Delete.
6815         * config/rs6000/rs6000-protos.h: Delete predicate functions.
6816         Declare functions no longer static.
6817         * config/rs6000/predicates.md: New.
6818         * config/rs6000/rs6000.md: Include predicates.md
6820 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
6822         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
6823         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
6824         REG_ALWAYS_RETURN.
6825         * cfgrtl.c (need_fake_edge_p): Likewise.
6826         * combine.c (distribute_notes): Likewise.
6827         * emit-rtl.c (try_split): Likewise.
6828         * recog.c (peephole2_opimize): Likewise.
6829         * reg-notes.def (ALWAYS_RETURN): Remove.
6830         * rtl.h (LCT_ALWAYS_RETURN): Remove.
6831         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
6832         * tree.h (ECF_ALWAYS_RETURN): Remove.
6834 2005-02-28  Roger Sayle  <roger@eyesopen.com>
6836         PR middle-end/19874
6837         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
6838         between different machine modes is never a "useless" conversion.
6840 2005-02-28  Geert Bosch  <bosch@gnat.com>
6842         PR ada/15977
6843         * doc/contrib.texi: List contributors for Ada front end
6845 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
6847         * simplify-rtx.c (simplify_unary_operation_1,
6848         simplify_const_unary_operation): New, extracted from...
6849         (simplify_unary_operation): ... this one.
6850         (simplify_binary_operation_1,
6851         simplify_const_binary_operation): New, extracted from...
6852         (simplify_binary_operation): ... this one.
6853         * rtl.h (simplify_const_unary_operation,
6854         simplify_const_binary_operation): Add prototypes.
6856 2005-02-28  Julian Brown  <julian@codesourcery.com>
6858         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
6859         building libjava and caused PR regression/20228.
6861 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
6863         PR bootstrap/17383
6864         * Makefile.in (host_subdir): New.
6865         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
6866         * configure: Regenerate.
6868 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
6870         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
6871         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
6872         installation directory first.
6874 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
6876         PR target/19065.
6877         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
6878         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
6879         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
6880         * config/cris/cris.md: Tweak comments referring to Q.
6881         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
6882         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
6883         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
6884         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
6885         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
6886         Insert spaces in constraints to align alternatives vertically for
6887         readability.
6888         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
6889         operand 1: "M".
6891 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6893         PR rtl-optimization/17728
6894         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
6895         operand 0 from general_operand to move_dest_operand.
6897 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6899         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
6900         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
6901         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
6902         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
6904 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
6906         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
6907         * configure: Regenerate.
6908         * libada-mk.in: Remove CC; rename
6909         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
6911 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
6913         PR tree-opt/20188
6914         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
6915         for the lhs, also walk over the tree.  Likewise for rhs.
6917 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
6919         * tree-ssa-dom.c (simple_iv_increment_p): New function.
6920         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
6921         Do not propagate value of iv before increment over the increment.
6923 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
6925         * c-parser.c: New file.
6926         * c-parse.in: Remove.
6927         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
6928         Remove.
6929         (c-parser.o): Add dependencies.
6930         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
6931         maintainer-clean, TAGS): Update.
6932         * c-config-lang.in (gtfiles): Update.
6933         * gengtype-lex.l: Don't handle "@@".
6934         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
6935         objc_build_synchronized, objc_begin_try_stmt,
6936         objc_begin_catch_clause, objc_finish_catch_clause,
6937         objc_build_finally_clause, objc_finish_try_stmt): New.
6938         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
6939         type_seen_p.
6940         (c_parse_init): Update comment.
6941         * c-decl.c (c_init_decl_processing): Update comment.
6942         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
6943         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
6944         new c_declspecs members.
6946 2005-02-25  Julian Brown  <julian@codesourcery.com>
6948         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
6949         from being used for symbols with vague linkage when
6950         HAVE_GAS_COMDAT_GROUP is true.
6952 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
6954         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
6956 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
6958         PR target/19930
6959         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
6960         (LIBGCC2_HAS_DF_MODE): New.
6961         (LIBGCC2_HAS_XF_MODE): New.
6962         (LIBGCC2_HAS_TF_MODE): New.
6963         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
6964         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
6965         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
6966         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
6967         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
6968         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
6969         and add _fixtfdi, _fixunstfdi, _floatditf
6970         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
6971         L_fixunstfdi, L_floatditf.
6972         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
6973         (LIBGCC2_HAS_TF_MODE): Define.
6975 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
6977         PR tree-optimization/20204
6978         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
6979         REWRITE_THIS_STMT markers on PHI nodes.
6980         (rewrite_initialize_block): Likewise.
6982 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
6984         * version.c (version_string): Update to 4.1.
6986 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
6988         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
6989         Clarify that the alternative way doesn't work in GNU C++.
6991 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
6993         PR tree-optimization/19937
6994         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
6995         to the type of the induction variable.
6997 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
6999         PR rtl-optimization/20117
7000         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
7001         the block including noncopyable insn.
7003 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
7005         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
7006         calls to find_reg_note.
7008 2005-02-24  Richard Henderson  <rth@redhat.com>
7010         PR tree-opt/20127
7011         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
7012         the type.
7014 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
7016         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
7017         vector types if to use base reg for misaligned non-word ld/std.
7019 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
7021         PR target/14619
7022         * config/cris/cris.c (cris_target_asm_function_prologue): Create
7023         dwarf2 label manually and put it after, not before the prologue.
7025 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
7027         PR target/19019
7028         * reload.c (operands_match_p): Only increment register number for
7029         SCALAR_INT_MODE_P modes in multiple hard registers.
7031         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
7032         Fix formatting.
7034 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7036         * ChangeLog.5: Fix log message typo(s).
7037         * ChangeLog.7: Likewise.
7038         * ChangeLog.tree-ssa: Likewise.
7039         * cfgexpand.c: Fix comment typo(s).
7040         * conflict.c: Likewise.
7041         * defaults.h: Likewise.
7042         * dwarf2out.c: Likewise.
7043         * gcse.c: Likewise.
7044         * ggc-page.c: Likewise.
7045         * tree-eh.c: Likewise.
7046         * tree-ssa-dom.c: Likewise.
7048 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
7050         PR target/19019
7051         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
7052         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
7053         if SHARED is defined.
7055         PR target/20196
7056         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
7057         allow splitting only if operands 0 and 3 don't overlap.
7059 2005-02-24  Richard Henderson  <rth@redhat.com>
7061         PR middle-end/19953
7062         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
7063         (fold_builtin_1): Call them.
7064         * fold-const.c (fold_complex_mult_parts): Split out from ...
7065         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
7066         (fold_complex_div_parts, fold_complex_div): New.
7067         (fold): Use them.
7068         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
7070 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7072         * tree-ssa-ccp.c (visit_assignment): Verify that result of
7073         VIEW_CONVERT_EXPR is_gimple_min_invariant.
7075         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
7076         (print_node): Likewise.
7077         Print TYPE_SIZES_GIMPLIFIED.
7079 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
7081         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
7082         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
7083         operands as commutative in constraints.
7085 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
7087         * tree-into-ssa.c: Re-organize internal functions.
7089 2005-02-24  Richard Henderson  <rth@redhat.com>
7091         PR middle-end/18902
7092         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
7093         for c99.
7094         * common.opt (fcx-limited-range): New.
7095         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
7096         * toplev.c (flag_complex_method): Initialize to 1.
7097         (process_options): Set flag_complex_method to 0 if
7098         flag_cx_limited_range.
7099         * doc/invoke.texi (-fcx-limited-range): New.
7101 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
7103         * cse.c (delete_trivially_dead_insns): Speed up by using
7104         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
7105         prev_real_insn.
7107 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
7109         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
7110         functions when -mid-shared-library is being used.
7112 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
7114         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
7115         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
7116         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
7117         * system.h: Poison LINK_LIBGCC_SPECIAL.
7119 2005-02-23  James E Wilson  <wilson@specifixinc.com>
7121         * gengtype.c (note_insn_name): Make 1 element larger.
7123 2005-02-23  Roger Sayle  <roger@eyesopen.com>
7125         PR target/20018
7126         PR rtl-optimization/20097
7127         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
7128         BImode SUBREGs of SImode registers which confuse the ia64 backend.
7130 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
7132         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
7133         * t-aix52 (SHLIB_INSTALL): Same.
7135 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
7137         * genpreds.c: Update copyright.
7139 2005-02-23  Michael Beach  <michaelb@ieee.org>
7141         PR target/20159
7142         * config/sparc/t-elf (startup files): Assemble with CPP.
7144 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
7146         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
7147         (write_predicate_expr): Likewise.
7149 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
7151         PR tree-optimization/20100
7152         PR tree-optimization/20115
7153         * tree-optimize.c (init_tree_optimization_passes): Remove
7154         pass_maybe_create_global_var.
7155         * tree-pass.h (pass_maybe_create_global_var): Remove.
7156         * tree-ssa-alias.c (aliases_computed_p): Declare.
7157         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
7158         (count_calls_and_maybe_create_global_var): Remove.
7159         (pass_maybe_create_global_var): Remove.
7160         (init_alias_info): Do not declare aliases_computed_p.
7161         (maybe_create_global_var): If the function contains no
7162         call-clobbered variables and a mix of pure/const and regular
7163         function calls, create .GLOBAL_VAR.
7164         Mark all call-clobbered variables for renaming.
7165         (merge_pointed_to_info): Update comment.
7166         (add_pointed_to_var): Likewise.
7167         (is_escape_site): Likewise.
7168         Accept struct alias_info * instead of size_t *.
7169         Update all users.
7170         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
7171         as necessary.
7172         * tree-ssa-operands.c (get_call_expr_operands): If
7173         ALIASES_COMPUTED_P is false, do not add call-clobbering
7174         operands.
7175         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
7176         (delete_tree_ssa): Likewise.
7178 2005-02-22  James E Wilson  <wilson@specifixinc.com>
7180         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
7181         (do_compile): Do call it here.
7183 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
7185         PR rtl-optimization/20017.
7186         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
7187         rest_of_handle_cse2, rest_of_handle_gcse): Call
7188         delete_dead_jumptables immediately before calling cleanup_cfg.
7190 2005-02-22  Devang Patel  <dpatel@apple.com>
7192         PR 19952
7193         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
7194         all labels
7196 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
7198         * config/rs6000/aix.h (WINT_TYPE): Define.
7200 2005-02-22  Stan Shebs  <shebs@apple.com>
7202         * config/rs6000/rs6000.c (rs6000_override_options): Default to
7203         natural alignment for 64-bit Darwin.
7204         (rs6000_parse_alignment_option): Warn about uses of -malign-power
7205         on 64-bit Darwin.
7206         * doc/invoke.texi: Document this.
7208 2005-02-22  DJ Delorie  <dj@redhat.com>
7210         * c-common.c (c_common_type_for_mode): Pass the mode's precision
7211         to make_[un]signed_type, not the mode itself.
7213 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
7215         * cfg.c (cached_make_edge): Call make_edge if edge cache is
7216         not available.  Use tail calls wherever possible.
7217         (make_edge): Call unchecked_make_edge to create an edge.
7219         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
7220         (coalesce_ssa_name): Don't check for
7221         SSANORM_USE_COALESCE_LIST.
7222         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
7224 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
7226         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
7227         (rewrite_into_ssa): ... here.
7229 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
7231         PR tree-optimization/19786
7232         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
7233         tag to another's may-alias bitmap when adding to the other's list.
7235 2005-02-21  DJ Delorie  <dj@redhat.com>
7237         * tree-ssa-loop-ivopts.c (computation_cost): Start register
7238         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
7239         registers in unsupported ways.
7240         * expmed.c (init_expmed): Likewise.
7242 2005-02-21  Stan Cox  <scox@redhat.com>
7244         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
7246 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
7248         * tree-cfg.c (fold_cond_expr_cond): New.
7249         (make_edges): Call fold_cond_expr_cond.
7250         (find_taken_edge): Accept nothing but INTEGER_CST.
7251         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
7252         and 1.
7253         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
7255         * flow.c (delete_dead_jumptables): Speed up by scanning insns
7256         that do not belong to any basic block.
7258 2005-02-21  Jeff Law  <law@redhat.com>
7260         * cfganal.c (find_unreachable_blocks): Manually CSE load of
7261         e->dest.
7263 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
7265         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
7266         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
7267         Adjust their definitions.
7268         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
7269         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
7271         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
7272         genautomata.c, langhooks.c, langhooks.h, system.h,
7273         config/arm/lib1funcs.asm: Update copyright.
7275 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
7277         * dbxout.c (dbxout_function_end): Emit Lscope label always.
7279 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
7281         PR bootstrap/13770
7282         * doc/install.texi: Document --with-gc.
7284 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
7286         * simplify-rtx.c (simplify_unary_operation): Add a missing
7287         "break" statement.
7289 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
7291         PR tree-optimization/18663
7292         * tree-ssa-dom.c (extract_range_from_cond): Return 0
7293         if the type has variable bounds.
7295 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
7297         * gcse.c: Remove an obsolete comment.
7299         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
7301 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
7303         * doc/extend.texi (Function Attributes) <Attribute const>: The
7304         attribute "pure" is below this text, not above.
7306 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7308         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
7309         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
7310         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
7312 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
7314         PR 18785
7315         * langhooks.h (struct lang_hooks): Add to_target_charset.
7316         * langhooks.c (lhd_to_target_charset): New function.
7317         * langhooks-def.h: Declare lhd_to_target_charset.
7318         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
7319         (LANG_HOOKS_INITIALIZER): Update.
7320         * c-common.c (c_common_to_target_charset): New function.
7321         * c-common.h: Declare it.
7322         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
7323         c_common_to_target_charset.
7325         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
7326         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
7327         Delete definitions.
7328         * system.h: Poison them.
7329         * doc/tm.texi: Don't discuss them.
7330         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
7331         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
7332         (pp_c_char): Do not attempt to generate letter escapes for
7333         newline, tab, etc.
7334         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
7335         * config/mips/mips.c (mips_output_ascii): Likewise.
7337 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
7339         PR tree-optimization/19951
7340         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
7341         is abnormal.
7343 2005-02-19  Steven Bosscher  <stevenb@suse.de>
7345         PR middle-end/19698
7346         * function.h (struct function): New field `max_loop_depth'.
7347         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
7348         (flow_loops_find): Reset the max loop depth count before finding loops.
7349         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
7350         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
7351         (calculate_global_regs_live): Make sure the loop will terminate
7352         when the initial sets are not empty.
7354 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
7356         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
7357         object inside.
7358         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
7360 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
7362         PR other/19525
7363         * doc/invoke.texi: Remove documentation of %M spec.
7364         * gcc.c: Likewise.
7365         (init_spec): Remove %M suffix from -lgcc_s.
7366         (do_spec_1): Remove 'M' case.
7367         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
7368         to put shared libraries in the multilib directory.  Remove the
7369         shlib_so_soname substitution variable.  Don't add a multilib encoding
7370         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
7371         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
7372         SHLIB_INSTALL as well as SHLIB_LINK.
7373         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
7374         (SHLIB_NAME): Delete.
7375         (SHLIB_DIR): New macro.
7376         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
7377         (SHLIB_INSTALL): Adjust accordingly.
7378         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
7379         * config/t-slibgcc-sld: Likewise.
7380         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
7381         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
7382         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
7383         in $(SHLIB_DIR).
7384         (SHLIBUNWIND_INSTALL): Adjust accordingly.
7385         * config/i386/t-nwld (SHLIB_SONAME): Delete.
7386         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
7387         Use @shlib_base_name@ instead of @shlib_so_name@.
7388         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
7389         and @shlib_base_name@.so in @multilib_dir@.
7390         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
7391         to the install path.
7392         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
7393         (SHLIB_LINK): Remove previous workaround.
7394         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
7395         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
7396         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
7397         the install path.
7398         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
7399         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
7400         (SHLIB_INSTALL): Adjust accordingly.
7401         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
7402         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
7403         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
7404         config/t-slibgcc-elf-ver.
7406 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
7407             Jakub Jelinek  <jakub@redhat.com>
7409         PR tree-optimization/19828
7410         * tree-ssa-loop-im.c: Add a TODO comment.
7411         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
7412         without side-effects.
7414 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
7416         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
7417         call fold_convert.
7419 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
7421         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
7422         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
7423         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
7424         functions.
7425         (ia64_reorg): Delete fixup_errata call.
7426         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
7427         (TARGET_SWITCHES): Delete -mb-step entry.
7429 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
7431         PR c/20043
7432         * c-typeck.c (composite_type): Handle quals in transparent unions.
7433         (type_lists_compatible_p): Likewise.
7435 2005-02-18  Stan Shebs  <shebs@apple.com>
7437         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
7438         expressions in the .literal8 section.
7440 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
7442         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
7444 2005-02-18  Roger Sayle  <roger@eyesopen.com>
7446         * fold-const.c (constant_boolean_node): Always create values of the
7447         specified type, don't bother calling truthvalue_conversion.
7449 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
7451         * except.c (output_function_exception_table): Call
7452         assemble_external_libcall (eh_personality_libfunc).
7454 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
7456         PR target/19886
7457         * config/ia64/ia64.h (struct machine_function): Add state_num.
7458         * config/ia64/ia64.c (process_epilogue,
7459         process_for_unwind_directive): Use new unwind state numbers each
7460         time rather than state 1.
7462 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
7464         PR target/20054
7465         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
7466         before the "*llgt_didi" pattern.
7468 2005-02-18  Jason Merrill  <jason@redhat.com>
7470         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
7472 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
7474         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
7475         (div0): Use it in place of ARM_FUNC_ALIAS.
7476         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
7478 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
7480         PR middle-end/20030
7481         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
7482         access, the lower bound of the array type if it exists.
7484 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
7486         PR c++/20008
7487         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
7488         cases that are out-of-range for the index type.
7490 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
7492         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
7493         (estimate_case_costs): Don't call convert.
7494         * expmed.c (expand_shift): Likewise.
7495         (make_tree): Call fold_convert instead of convert.
7497 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
7499         PR c++/19813
7500         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
7501         that ref to be marked MEM_READONLY_P doesn't have base that needs
7502         constructing.
7504 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
7506         * genautomata.c (output_get_cpu_unit_code_func,
7507         output_cpu_unit_reservation_p): Don't generate old-style function
7508         definitions.
7510 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
7512         PR c++/20023
7513         PR tree-optimization/20009
7514         * convert.c (convert_to_integer): Revert 2005-02-16 change.
7516         PR tree-optimization/18947
7517         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
7518         inline, remove all nodes that are inlined into the extern inline
7519         being redefined.
7521 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
7523         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
7524         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
7525         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
7526         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
7527         Update copyright.
7529 2005-02-17  Roger Sayle  <roger@eyesopen.com>
7531         PR tree-optimization/19917
7532         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
7533         to be potentially trapping.
7535 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
7537         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
7539 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
7541         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
7542         tem becomes a local variable which is set to the value of the
7543         back end defined INITIAL_FRAME_ADDRESS macro.
7544         (expand_builtin_frame_address): Omit the base parameter to
7545         expand_builtin_return_addr.
7546         (expand_builtin_profile_func): Likewise.
7547         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
7548         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
7549         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
7551 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
7553         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
7554         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
7555         * config/frv/frv.c (frv_function_epilogue): Likewise.
7557 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
7559         * lambda-code (perfect_nestify): Remove mark/unmark
7560         for rewriting hack.
7561         * tree-loop-linear.c (linear_transform_loops): Add
7562         rewrite_into_ssa call so that ssa is correct for
7563         rewriting into loop closed.
7565 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
7567         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
7568         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
7569         BITMAP_FREE.
7570         * bt-load.c (btr_def_live_range, combine_btr_defs,
7571         migrate_btr_def, migrate_btr_defs): Likewise.
7572         * cfgcleanup.c (thread_jump): Likewise.
7573         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
7574         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
7575         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
7576         df_rd_local_compute, df_reg_info_compute): Likewise.
7577         * dominance.c (init_dom_info, free_dom_info): Likewise.
7578         * flow.c (init_propagate_block_info,
7579         free_propagate_block_info): Likewise.
7580         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
7581         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
7582         modify_reg_pav): Likewise.
7583         * loop-invariant.c (find_defs, find_invariant_insn,
7584         find_invariants, free_inv_motion_data): Likewise.
7585         * predict.c (tree_predict_by_opcode,
7586         estimate_bb_frequencies): Likewise.
7587         * stmt.c (expand_case): Likewise.
7588         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
7589         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
7590         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
7591         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
7592         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
7593         rewrite_ssa_into_ssa): Likewise.
7594         * tree-optimize.c (tree_rest_of_compilation): Likewise.
7595         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
7596         analyze_edges_for_bb, perform_edge_inserts): Likewise.
7597         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
7598         * tree-sra.c (tree_sra): Likewise.
7599         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
7600         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
7601         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
7602         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
7603         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
7604         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
7605         Likewise.
7606         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
7607         calculate_live_on_entry, calculate_live_on_exit,
7608         build_tree_conflict_graph): Likewise.
7609         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
7610         record_important_candidates, set_use_iv_cost, find_depends,
7611         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
7612         tree_ssa_iv_optimize_finalize): Likewise.
7613         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
7614         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
7615         tree_duplicate_loop_to_header_edge): Likewise.
7616         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
7617         * tree-ssa.c (verify_flow_insensitive_alias_info,
7618         verify_name_tags, verify_ssa, init_tree_ssa,
7619         delete_tree_ssa): Likewise.
7620         * tree-ssanames.c (marked_ssa_names, init_ssanames,
7621         fini_ssanames): Likewise.
7622         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
7624 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
7626         * config/rs6000/t-rtems: Completely reworked.
7628 2005-02-17  Ira Rosen  <irar@il.ibm.com>
7630         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
7632 2005-02-17  Ira Rosen  <irar@il.ibm.com>
7634         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
7635         POINTER_TYPE_P when checking that type is a pointer.
7636         (vect_get_memtag): Remove.
7637         (vect_address_analysis): Use POINTER_TYPE_P. Call
7638         vect_object_analysis with dummy parameter for memtag.
7639         (vect_object_analysis): Extract memtag (functionality that
7640         used to be in vect_get_memtag and moved here). Fix printings.
7641         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
7642         with correct parameters. Remove call to vect_get_memtag.
7644 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
7646         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
7647         (tree-vectorizer.o): Added missing dependencies.
7649         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
7650         decleration.
7651         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
7652         declaration in tree-vectorizer.c, now has an extern declaration in
7653         tree-vectorizer.h).
7654         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
7655         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
7656         get_vectype_for_scalar_type, vect_is_simple_use,
7657         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
7658         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
7659         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
7660         vectorizable_store, vectorizable_operation, vectorizable_assignment,
7661         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
7662         find_loop_location): Likewise.
7664         * tree-vectorizer.c (langhooks.h): #include removed.
7665         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
7666         moved to tree-vectorized.h.
7667         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
7668         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
7669         get_vectype_for_scalar_type, vect_is_simple_use,
7670         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
7671         vect_supportable_dr_alignment, new_loop_vec_info,
7672         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
7673         vect_set_verbosity_level, find_loop_location): Likewise.
7675         (vect_analyze_loop): Function externalized. Declaration moved to
7676         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
7677         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
7678         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
7679         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
7680         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
7681         vect_enhance_data_refs_alignment, vect_analyze_operations,
7682         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
7683         vect_stmt_relevant_p, vect_get_loop_niters,
7684         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
7685         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
7686         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
7687         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
7688         vect_get_memtag): Likewise.
7690         (vectorizable_load): Function externalized. Declaration moved to
7691         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
7692         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
7693         vect_transform_loop): Likewise.
7694         (vect_transform_stmt): Moved to tree-vect-transform.c.
7695         (vect_align_data_ref, vect_create_destination_var,
7696         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
7697         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
7698         vect_get_vec_def_for_operand, vect_init_vector,
7699         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
7700         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
7701         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
7702         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
7703         vect_do_peeling_for_loop_bound): Likewise.
7705         * tree-vect-analyze.c: New file.
7706         * tree-vect-transform.c: New file.
7708 2005-02-17  Jason Merrill  <jason@redhat.com>
7710         PR mudflap/19319, c++/19317
7711         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
7712         slot explicit.
7714 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
7716         * doc/install.texi (Specific): Update link for Darwin-specific
7717         tool binary site.
7719 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
7721         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
7722         constant_boolean_node.
7724 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
7726         PR target/19019
7727         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
7728         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
7730 2005-02-16  Richard Henderson  <rth@redhat.com>
7732         PR 19920
7733         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
7734         with W_TYPE_SIZE.
7735         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
7736         replace uses with Wtype_MAXp1_F.
7737         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
7738         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
7739         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
7740         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
7741         and HAVE_TFMODE as appropriate.
7742         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
7743         (__floatdisf): Likewise.
7744         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
7745         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
7746         (Wtype_MAXp1_F): New.
7747         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
7748         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
7750 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
7752         * PR target/19162
7753         * arm.c (arm_apply_result_size): New function.
7754         * arm.h (APPLY_RESULT_SIZE): Define.
7755         * arm-protos.h (arm_apply_result_size): Add prototype.
7756         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
7757         (movxf): New expand.
7758         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
7759         (call_value_symbol): Remove predicate for operand 0.
7760         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
7761         (untyped_call): Rework to correclty return values for any type.
7762         (untyped_return): New expand.
7763         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
7765 2005-02-16  Stan Shebs  <shebs@apple.com>
7767         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
7768         * config/rs6000/t-darwin8: New, for 64-bit multilib.
7770 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
7772         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
7773         configure settings on Solaris 7 and later.
7775 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
7777         PR tree-optimization/19865
7778         * tree-optimize.c (init_tree_optimization_passes): Run
7779         pass_may_alias after pass_sra.
7781 2005-02-16  Richard Henderson  <rth@redhat.com>
7782             Stuart Hastings  <stuart@apple.com>
7784         PR debug/19521
7785         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
7786         Do nothing if debug info suppressed for this function.
7787         (dbxout_begin_function): Early exit if debug info suppressed for
7788         this function.
7790 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
7792         PR target/20007
7793         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
7794         find_basic_blocks.
7795         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
7797         PR tree-optimization/19967
7798         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
7799         expand_builtin_strchr, expand_builtin_strrchr): Take a new
7800         argument TYPE.  Adjust calls to fold_builtin_XXX.
7801         (expand_builtin, fold_builtin_1): Adjust calls to
7802         expand_builtin_XXX.
7803         (fold_builtin_strchr, fold_builtin_strpbrk,
7804         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
7805         result to a requested type TYPE.
7807 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
7809         PR middle-end/19857
7810         * fold-const.c (fold): Don't optimize (T)(x & cst) to
7811         (T)x & (T)cst if (T)cst overflows.
7812         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
7813         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
7815 2005-02-15  Jeff Law  <law@redhat.com>
7817         * gcse.c (blocks_with_calls): New bitmap.
7818         (alloc_gcse_mem): Allocate it.
7819         (free_gcse_mem): Free it.
7820         (clear_modifY_mem_tables): Clear it.
7821         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
7822         when we encounter CALL_INSNs.
7823         (compute_transp, case MEM): Handle blocks with calls separate
7824         from blocks without calls.  Use bitmap iterators rather than
7825         FOR_EACH_BB.
7827 2005-02-15  Peter O'Gorman  <peter@pogma.com>
7829         PR bootstrap/18810
7830         * mklibgcc.in (vis_hide): Use a temporary object file, not
7831         -o /dev/null.
7833 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
7835         PR target/19924
7836         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
7837         access optimization.
7839 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
7840             Alan Modra  <amodra@bigpond.net.au>
7842         PR target/19019
7843         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
7844         (_xlqsub): Rename to __gcc_qsub.
7845         (_xlqmul): Rename to __gcc_qmul.
7846         (_xlqdiv): Rename to __gcc_qdiv.
7847         Provide versioned symbol aliases with old names.
7848         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
7849         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
7850         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
7851         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
7852         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
7854 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
7856         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
7857         Fold ~(A - 1) and ~(A + -1) to -A.
7859 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
7861         PR pch/14940
7862         PR target/19300
7863         * config/host-linux.c (linux_gt_pch_use_address): Copy from
7864         config/pa/pa-host.c:pa_gt_pch_use_address.
7866 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
7868         * tree-vn.c (get_value_handle): Make sure that given an
7869         is_gimple_min_invariant expression, we always return it.
7871 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
7873         * passes.c (rest_of_handle_gcse): Fix a comment.
7875 2005-02-15  Jeff Law  <law@redhat.com>
7877         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
7878         bitmap.
7879         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
7880         (canon_list_insert, record_last_mem_set_info): Similarly.
7881         (clear_modify_mem_tables): Similarly.
7883 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
7885         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
7886         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
7887         config/mips/mips.md, config/rs6000/aix.h,
7888         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
7890 2005-02-15  Richard Henderson  <rth@redhat.com>
7892         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
7893         call to be best_edge.
7895 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
7897         * basic-block.h: Adjust the prototype for find_basic_blocks.
7898         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
7899         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
7900         find_basic_blocks.
7902         * flow.c (recompute_reg_usage): Remove all arguments.
7903         * passes.c (rest_of_compilation): Adjust the call to
7904         recompute_reg_usage.
7905         * rtl.h: Adjust the prototype for recompute_reg_usage.
7907 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
7909         * tree-dump.c (dump_files): Update to reflect new member
7910         of dump_file_info.
7911         (dump_register): Add new argument.
7912         Set glob name.
7913         (dump_switch_p_1): Check against glob name if doglob was passed.
7914         (dump_switch_p): Check against regular first, then glob if
7915         we didn't have any hits on the dump name.
7916         * tree-optimize.c (register_one_dump_file):
7917         Pass in glob name as well.
7918         * tree-pass.h (struct dump_file_info): Add glob
7919         member.
7921 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
7923         PR preprocessor/16323
7924         * doc/invoke.texi: Document that -Wendif-labels is on by default.
7926 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
7928         PR target/19019
7929         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
7930         (trunctfdf2_internal1): New.
7931         (trunctfdf2_internal2): Renamed from trunctfdf2.
7933 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
7935         PR tree-optimization/19853
7936         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
7938 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
7940         * passes.c (rest_of_handle_loop_optimize): Remove calls to
7941         delete_dead_jumptables and cleanup_cfg.
7943 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
7945         * reload.c (find_reloads): Swap address_reloaded flags when
7946         swapping commutative operands.
7948 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
7950         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
7951         Use standard_iv_increment_position for computing the bsi position
7952         for create_iv.
7953         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
7954         the bsi position.
7956 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
7958         PR target/17428
7959         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
7960         life range of hard registers.
7961         * value-prof.c (insn_prefetch_values_to_profile): Only
7962         scan normal insns.
7964         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
7965         profile in libcalls.
7967 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
7969         * bitmap.h (bitmap_and_compl_into): Return bool.
7970         * bitmap.c (bitmap_and_compl_into): Return changed flag.
7972 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
7974         PR tree-optimization/19944
7975         * fold-const.c (fold): Re-add ABS_EXPR folding.
7977 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
7979         PR target/19019
7980         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
7981         {TARGET,MASK}_XL_COMPAT.
7982         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
7983         MASK_XL_COMPAT.
7984         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
7985         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
7986         TARGET_XL_COMPAT.
7987         (rs6000_arg_partial_bytes): Same.
7988         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
7989         and XL compatibility enabled.
7990         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
7991         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
7992         test to final condition.
7993         (cmptf_internal2): New.
7994         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
7995         xl-compat.  Add TFmode information to description.
7997 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
7999         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
8001 2005-02-13  Jason Merrill  <jason@redhat.com>
8003         PR c++/16405
8004         * fold-const.c (fold_indirect_ref_1): Split out from...
8005         (build_fold_indirect_ref): Here.
8006         (fold_indirect_ref): New fn.
8007         * tree.h: Declare it.
8008         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
8009         (gimplify_modify_expr_rhs): Likewise.
8010         (gimplify_expr): Likewise.
8012 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
8014         PR tree-optimization/14303
8015         PR tree-optimization/15784
8016         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
8017         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
8018         ABS_EXPR<x> != 0 to x != 0.
8020 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
8022         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
8023         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
8024         spelling conventions.
8026         * passes.c (rest_of_handle_gcse): Don't run cse_main and
8027         delete_trivially_dead_insns too many times.
8029         * passes.c (rest_of_handle_gcse): Remove dead assignments to
8030         tem and tem2.
8032 2005-02-12  Ira Rosen  <irar@il.ibm.com>
8034         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
8035         (vect_is_simple_iv_evolution): Remove redundant parameter
8036         and step check.
8037         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
8038         without last parameter.
8039         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
8040         Return pointer step. Call vect_is_simple_iv_evolution without
8041         last parameter. Check only that the step is multiple of size
8042         type. Remove stmt_vinfo updates.
8043         (vect_get_memtag_and_dr): Remove.
8044         (vect_get_memtag): New function.
8045         (vect_address_analysis): New function.
8046         (vect_object_analysis): New function.
8047         (vect_analyze_data_refs): Call vect_object_analysis and
8048         vect_get_memtag. Update stmt_vinfo fields.
8050 2005-02-12  Ira Rosen  <irar@il.ibm.com>
8052         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
8053         exist and are objects. Remove checks for pointer.
8054         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
8055         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
8056         (vect_create_data_ref_ptr): Likewise.
8057         (vect_base_addr_differ_p): New function.
8058         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
8059         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
8060         Don't set the DR_BASE_NAME field of data-ref.
8061         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
8063 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
8065         * optabs.h (enum optab_index): Add new OTI_ldexp.
8066         (ldexp_optab): Define corresponding macro.
8067         * optabs.c (init_optabs): Initialize ldexp_optab.
8068         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
8069         patterns.
8070         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
8071         using ldexp_optab.
8072         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
8073         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
8075         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
8076         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
8077         intrinsics.
8079 2005-02-12  Ira Rosen  <irar@il.ibm.com>
8081         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
8082         to base_address.
8083         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
8084         stmt_vec_info.
8085         (vect_get_base_and_offset): Always return an address.
8086         (vect_create_addr_base_for_vector_ref): Remove treatment for
8087         different data reference types.
8088         (vect_compute_data_ref_alignment): Rename base to base_address in
8089         stmt_vec_info. Get the object in order to force its alignment.
8090         (vect_get_memtag_and_dr): Rename base to base_address in
8091         stmt_vec_info. Extract the object for memtag analysis.
8093 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
8095         PR regression/19898.
8096         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
8097         changes cc_status, use apply modified_in_p to part of cc_status
8098         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
8099         body.
8101 2005-02-11  Richard Henderson  <rth@redhat.com>
8103         * tree-complex.c (expand_complex_libcall): New.
8104         (expand_complex_multiplication): Use it for c99 compliance.
8105         (expand_complex_division): Likewise.
8106         * fold-const.c (fold_complex_add, fold_complex_mult): New.
8107         (fold): Call them.
8108         * builtins.c (built_in_names): Remove const.
8109         * tree.c (build_common_builtin_nodes): Build complex arithmetic
8110         builtins.
8111         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
8112         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
8113         (built_in_names): Remove const.
8114         * c-common.c (c_common_type_for_mode): Handle complex modes.
8115         * flags.h, toplev.c (flag_complex_method): Rename from
8116         flag_complex_divide_method.
8117         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
8118         __mulsc3, __muldc3, __mulxc3, __multc3): New.
8119         * libgcc2.h: Declare them.
8120         * libgcc-std.ver: Export them.
8121         * mklibgcc.in (lib2funcs): Build them.
8123 2005-02-11  Steven Bosscher  <stevenb@suse.de>
8125         PR tree-optimization/19876
8126         Partially revert my change from 2005-01-14
8127         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
8128         (compute_antic): ...and remove the loop here.
8130 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
8132         PR middle-end/19858
8133         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
8134         is number of inner's bits, avoid creating a BIT_FIELD_REF.
8136         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
8137         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
8139 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
8141         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
8142         offsets for the big-endian 32-bit case.
8144 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
8146         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
8148 2005-02-11  Dale Johannesen  <dalej@apple.com>
8150         * cselib.c (cselib_process_insn):  Clear out regs where
8151         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
8152         * reload.c (find_equiv_reg): Ditto.
8154 2005-02-11  Ian Lance Taylor  <ian@airs.com>
8156         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
8157         with no elements.
8159         * tree.c (build_function_type_list): Work correctly if there are
8160         no arguments.
8162 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
8164         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
8165         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
8166         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
8167         TARGET_ZARCH instead of TARGET_64BIT.
8169 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
8171         * config/rs6000/t-rtems:
8172         (MULTILIB_OPTIONS): Remove mcpu=602.
8173         (MUTLILIB_DIRNAMES): Remove m602.
8174         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
8175         Let mcpu=602 match mcpu=603.
8176         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
8178 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8180         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
8181         signal trampolines.
8183 2005-02-10  David Daney  <ddaney@avtrex.com>
8185         * config/alpha/linux-unwind.h: Add exception clause to copyright.
8186         * config/i386/linux-unwind.h: Likewise.
8187         * config/ia64/linux-unwind.h: Likewise.
8188         * config/mips/linux-unwind.h: Likewise.
8189         * config/pa/linux-unwind.h: Likewise.
8190         * config/rs6000/linux-unwind.h: Likewise.
8191         * config/s390/linux-unwind.h: Likewise.
8192         * config/sh/linux-unwind.h: Likewise.
8193         * config/sparc/linux-unwind.h: Likewise.
8195 2005-02-10  Steven Bosscher  <stevenb@suse.de>
8197         PR tree-optimization/17549
8198         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
8199         TER to replace a DEF with its expression if the DEF and the
8200         rhs of the expression we replace into have the same root
8201         variable.
8203 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
8205         * config/mips/mips.md: Fix the placement of the match_scratch in the
8206         lea64 peephole2.
8208 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
8210         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
8211         Fix comment typos.
8213 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
8215         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
8216         (strip_offset): Handle addresses.
8217         (add_address_candidates): Use strip_offset.
8218         (difference_cost): Reflect strip_offset change.
8219         (force_var_cost, difference_cost): Strip nops.
8221 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
8223         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
8225         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
8226         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
8227         config/cris/cris-protos.h, config/cris/cris.c: Update
8228         copyright.
8230 2005-02-10  Jeff Law  <law@redhat.com>
8232         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
8233         (lookup_avail_expr): Similarly.
8235 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
8237         * builtins.c (fold_builtin_powi): New function.
8238         (fold_builtin_1): Call it.
8240 2005-02-10  Steven Bosscher  <stevenb@suse.de>
8242         PR documentation/19309
8243         * doc/cpp.texi: The __GNUC__ and related predefined macros
8244         are also defined for the "standalone" cpp.
8245         Some non-GCC compilers may also define __GNUC__.
8247 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
8249         PR c/19342
8250         * c-typeck.c (common_type): New routine.  Old common_type renamed
8251         to...
8252         (c_common_type): ...this.
8253         (build_conditional_expr, build_binary_op): Use c_common_type instead
8254         of common_type.
8256 2005-02-10  Steven Bosscher  <stevenb@suse.de>
8258         * doc/md.texi: Replace @samp{length} with @code{length}.
8260 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
8262         PR tree-optimization/18687
8263         * tree-flow.h (find_loop_niter): Declare.
8264         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
8265         Try using scev even for loops with more than one exit.
8266         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
8267         (struct ivopts_data): Added niters field.
8268         (struct nfe_cache_elt): New.
8269         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
8270         functions.
8271         (tree_ssa_iv_optimize_init): Initialize niters cache.
8272         (determine_number_of_iterations): Removed.
8273         (find_induction_variables): Do not call determine_number_of_iterations.
8274         Access niters for single exit through niter_for_single_dom_exit.
8275         (add_iv_outer_candidates): Access niters for single exit through
8276         niter_for_single_dom_exit.
8277         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
8278         number_of_iterations_cond.
8279         (iv_period): New function.
8280         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
8281         (may_replace_final_value): Take data argument.  Use
8282         niter_for_single_dom_exit.
8283         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
8284         (rewrite_use_compare): Pass data to may_eliminate_iv.
8285         (rewrite_use_outer): Pass data to may_replace_final_value.
8286         (free_loop_data): Clean up the niters cache.
8287         (tree_ssa_iv_optimize_finalize): Free the niters cache.
8288         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
8289         * tree-ssa-loop-niter.c (find_loop_niter): New function.
8290         (find_loop_niter_by_eval): Use tree_int_cst_lt.
8291         (num_ending_zeros): Moved to tree.c.
8292         * tree.h (num_ending_zeros): Declare.
8293         * tree.c (num_ending_zeros): Moved from tree.c.
8295 2005-02-09  Richard Henderson  <rth@redhat.com>
8297         * builtins.c (DEF_BUILTIN): Add COND argument.
8298         * tree.h (DEF_BUILTIN): Likewise.
8299         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
8300         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
8301         match.
8302         (DEF_BUILTIN_STUB): New.
8303         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
8304         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
8305         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
8306         * c-common.c (DEF_BUILTIN): Add COND argument.
8307         * tree.c (local_define_builtin): New.
8308         (build_common_builtin_nodes): New.
8310 2005-02-09  Roger Sayle  <roger@eyesopen.com>
8312         * fold-const.c (fold_strip_sign_ops): New function to simplify a
8313         floating point expression ignoring the sign of the result.
8314         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
8315         (fold) <MULT_EXPR>: Use it to simplify x*x.
8316         * tree.h (fold_strip_sign_ops): Prototype here.
8317         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
8318         argument.  Use fold_strip_sign_ops to simplify the first argument.
8319         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
8320         first argument when the second argument is an even integer
8321         constant, but only with -funsafe_math_optimizations.
8322         (fold_builtin_1): Update call to fold_builtin_copysign.
8324 2005-02-09  Ian Lance Taylor  <ian@airs.com>
8326         PR middle-end/19583
8327         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
8328         just check whether EH_FILTER_FAILURE falls through.
8330 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
8332         * gcc/haifa-sched.c (schedule_block): Make queued sched group
8333         insns return to ready list in the next turn.
8335 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
8337         PR middle-end/19402
8338         * builtins.def: New __builtin_powi[lf].
8339         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
8340         (expand_builtin_powi): New function.
8341         (expand_builtin): Dispatch to expand_builtin_powi.
8342         * libgcc2.h: Add prototypes for __builtin_powi[lf].
8343         * libgcc2.c: Add __builtin_powi[lf] implementation.
8344         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
8345         * optabs.h: Add powi_optab.
8346         * optabs.c (init_optabs): Initialize powi_optab.
8347         * doc/extend.texi: Document __builtin_powi[lf].
8349 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
8351         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
8352         exists.
8354 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
8356         PR middle-end/19854
8357         * fold-const.c (try_move_mult_to_index): Remove redundant
8358         type argument.  Create ADDR_EXPR with correct type.
8359         (fold): Update callers of try_move_mult_to_index.  Convert
8360         result to the appropriate type.
8362 2005-02-09  Roger Sayle  <roger@eyesopen.com>
8364         PR target/19597
8365         * config/avr/avr.c (default_rtx_costs): Delete.
8366         (avr_operand_rtx_cost): New function.
8367         (avr_rtx_costs): Completely rewrite.
8369 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
8371         PR target/19806
8372         * config/cris/cris.c (in_code): New variable.
8373         (cris_output_addr_const): Now a static function, a wrapper for
8374         output_addr_const.
8375         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
8376         case from old cris_output_addr_const.
8377         (cris_asm_output_label_ref): Similar for LABEL_REF.
8378         (cris_output_addr_const_extra): Similar for UNSPEC.
8379         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
8380         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
8381         * config/cris/cris-protos.h (cris_output_addr_const): Remove
8382         declaration.
8383         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
8384         (cris_asm_output_label_ref): Declare.
8386 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
8388         PR preprocessor/19801
8389         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
8390         filenames that changed when libcpp was moved to the toplevel.
8392 2005-02-07  Roger Sayle  <roger@eyesopen.com>
8394         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
8395         zero extensions of BImode operands.  Call lowpart_subreg instead
8396         of gen_lowpart_common and gen_lowpart_SUBREG.
8398 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
8400         PR ada/19489
8401         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
8402         * configure.ac: Set cc_for_cross_gnattools.
8403         * configure: Regenerate.
8405 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
8407         PR target/19803
8408         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
8410 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
8412         PR debug/19327
8413         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
8414         of nested functions.
8416 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
8418         * doc/extend.texi: Document deprecated extensions allowing
8419         static floating-point members to have initializers and allowing
8420         floating-point literals in integral constant expressions.
8422 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
8424         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
8425         config/darwin7.h, config/mips/mips.c,
8426         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
8427         Update copyright.
8429         * cse.c: Update comments.
8431 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
8433         PR middle-end/19775
8434         * builtins.c (fold_builtin_sqrt): Transform
8435         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
8436         pow(x,y*0.5).
8438 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
8439             Dorit Naishlos  <dorit@il.ibm.com>
8441         * doc/invoke.texi (ftree-vectorizer-verbose): New.
8442         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
8443         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
8444         was added.
8445         * tree.h (vect_set_verbosity_level): New extern function declaration
8446         added.
8447         * tree-vectorizer.h (verbosity_levels): New enum type.
8448         * tree-vectorizer.c (vect_debug_stats): Function removed.
8449         (vect_debug_details): Likewise.
8450         (vect_verbosity_level): Global variable was defined and initialized.
8451         (vect_dump): Global variable definition.
8452         (vect_print_dump_info): New function.
8453         (vect_set_dump_settings): New function.
8454         (vect_set_verbosity_level): New function.
8455         (vectorize_loops): Add call to vect_set_dump_settings.
8457         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
8458         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
8459         (slpeel_tree_peel_loop_to_edge): Likewise.
8461         (vect_analyze_offset_expr): Call to vect_print_dump_info with
8462         appropriate verbosity level instead of call to vect_debug_details
8463         or vect_debug_stats.
8464         (vect_get_base_and_offset):
8465         (vect_create_addr_base_for_vector_ref):
8466         (get_vectype_for_scalar_type):
8467         (vect_create_data_ref_ptr):
8468         (vect_init_vector):
8469         (vect_get_vec_def_for_operand):
8470         (vect_finish_stmt_generation):
8471         (vectorizable_assignment):
8472         (vectorizable_operation):
8473         (vectorizable_store):
8474         (vectorizable_load):
8475         (vect_transform_stmt):
8476         (vect_update_ivs_after_vectorizer):
8477         (vect_do_peeling_for_loop_bound):
8478         (vect_update_inits_of_drs):
8479         (vect_do_peeling_for_alignment):
8480         (vect_transform_loop):
8481         (vect_is_simple_use):
8482         (vect_analyze_operations):
8483         (vect_is_simple_iv_evolution):
8484         (vect_analyze_scalar_cycles):
8485         (vect_analyze_data_ref_dependence):
8486         (vect_analyze_data_ref_dependences):
8487         (vect_compute_data_ref_alignment):
8488         (vect_enhance_data_refs_alignment):
8489         (vect_analyze_data_refs_alignment):
8490         (vect_analyze_data_ref_access):
8491         (vect_analyze_data_ref_accesses):
8492         (vect_analyze_pointer_ref_access):
8493         (vect_get_memtag_and_dr):
8494         (vect_analyze_data_refs):
8495         (vect_mark_relevant):
8496         (vect_stmt_relevant_p):
8497         (vect_mark_stmts_to_be_vectorized):
8498         (vect_can_advance_ivs_p):
8499         (vect_get_loop_niters):
8500         (vect_analyze_loop_form):
8501         (vect_analyze_loop):
8502         (vectorize_loops): Likewise.
8504         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
8505         (vect_update_inits_of_drs):
8506         (vect_do_peeling_for_alignment):
8507         (vect_transform_loop):
8508         (vect_analyze_operations):
8509         (vect_analyze_scalar_cycles):
8510         (vect_analyze_data_ref_dependences):
8511         (vect_analyze_data_refs_alignment):
8512         (vect_analyze_data_ref_accesses):
8513         (vect_analyze_data_refs):
8514         (vect_mark_stmts_to_be_vectorized):
8515         (vect_get_loop_niters):
8516         (vect_analyze_loop_form):
8517         (vect_analyze_loop): Likewise.
8518         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
8520 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
8522         PR bootstrap/19796
8523         Revert:
8524         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
8525         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
8526         either -ffast-math or -funsafe-math-optimizations is in use.
8528         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
8529         * config/mips/irix-csr.c: New file.
8530         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
8531         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
8532         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
8533         executables.
8535 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
8537         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
8538         redundant, incorrect definitions.
8540         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
8541         expand.
8542         ("*tls_indirect_call"): New, reference hard regs directly.
8543         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
8545 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
8547         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
8548         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
8550 2005-02-06  Roger Sayle  <roger@eyesopen.com>
8552         PR rtl-optimization/19800
8553         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
8554         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
8555         gen_lowpart.
8557 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
8559         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
8561 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
8563         PR other/17135
8564         * doc/invoke.texi: Correct documentation of -freorder-functions.
8566 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
8568         PR other/14402
8569         * doc/invoke.texi: Don't mention gccbug.
8571 2005-02-06  Roger Sayle  <roger@eyesopen.com>
8572             Andrew Pinski  <pinskia@physics.uc.edu>
8573             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
8575         * simplify-rtx.c (simplify_relational_operation_1): Simplify
8576         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
8577         into just (zero_extract:SI FOO (const_int 1) BAR).
8579 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
8581         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
8582         macro locally.  Don't give last revision date.  Use GCC version
8583         number from gcc-common.texi.
8584         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
8585         revision date.  Use GCC version number from gcc-common.texi.
8586         Describe being a library as current state rather than as 3.x
8587         history.
8588         * doc/gcc.texi: Remove last update date.
8589         * doc/gccint.texi: Likewise.  Update copyright dates.
8590         * doc/install.texi: Update copyright dates.
8592 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
8594         PR other/7549
8595         * doc/invoke.texi: Mention for each option included in -Wall that
8596         it is included in -Wall.
8597         * doc/gcc.texi: Update copyright and last modification date.
8599 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
8601         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
8602         unnecessary cast to original induction variable increments.
8604 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
8606         PR tree-optimization/18219
8607         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
8608         in distributed form.
8610 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
8612         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
8613         Set bitpos and offset later in the function.  Do nothing if the
8614         target is a register and if the bitfield lies completely outside
8615         that register.
8616         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
8617         here.  Return an uninitialised register if the source value is stored
8618         in a register and the bitfield lies completely outside that register.
8620 2005-02-06  Steven Bosscher  <stevenb@suse.de>
8622         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
8623         not SET_DEST.
8625 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
8627         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
8629 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
8631         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
8632         * config/darwin8.h: New.
8633         * config/darwin7.h: Update comment.
8635 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
8636             Dorit Naishlos  <dorit@il.ibm.com>
8638         * tree-vectorizer.h (LOC): New type.
8639         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
8640         (loop_line_number): New field in struct _loop_vec_info.
8641         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
8643         * tree-vectorizer.c (input.h): Included.
8644         (find_loop_location): New function.
8645         (vect_debug_stats): Argument changed from loop to LOC. Computation of
8646         loop line number removed.
8647         (vect_debug_details): Likewise.
8648         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
8650         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
8651         call to vect_debug_details/stats changed from loop to loop_loc.
8652         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
8653         (slpeel_tree_peel_loop_to_edge): Likewise.
8655         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
8656         changed from NULL to UNKNOWN_LOC.
8657         (vect_get_base_and_offset):
8658         (vect_create_addr_base_for_vector_ref):
8659         (get_vectype_for_scalar_type):
8660         (vect_create_data_ref_ptr):
8661         (vect_init_vector):
8662         (vect_get_vec_def_for_operand):
8663         (vect_finish_stmt_generation):
8664         (vectorizable_assignment):
8665         (vectorizable_operation):
8666         (vectorizable_store):
8667         (vectorizable_load):
8668         (vect_transform_stmt):
8669         (vect_update_ivs_after_vectorizer):
8670         (vect_do_peeling_for_loop_bound):
8671         (vect_do_peeling_for_alignment):
8672         (vect_transform_loop):
8673         (vect_is_simple_use):
8674         (vect_analyze_operations):
8675         (vect_is_simple_iv_evolution):
8676         (vect_analyze_scalar_cycles):
8677         (vect_analyze_data_ref_dependences):
8678         (vect_compute_data_ref_alignment):
8679         (vect_enhance_data_refs_alignment):
8680         (vect_analyze_data_ref_access):
8681         (vect_analyze_data_ref_accesses):
8682         (vect_analyze_pointer_ref_access):
8683         (vect_get_memtag_and_dr):
8684         (vect_analyze_data_refs):
8685         (vect_mark_relevant):
8686         (vect_stmt_relevant_p):
8687         (vect_mark_stmts_to_be_vectorized):
8688         (vect_can_advance_ivs_p):
8689         (vect_get_loop_niters):
8690         (vect_analyze_loop):
8691         (vectorize_loops): Likewise.
8693         (vectorizable_load): Argument in call to vect_debug_details/stats
8694         changed from loop to LOOP_LOC (loop_vinfo).
8695         (vect_transform_loop):
8696         (vect_analyze_operations):
8697         (vect_analyze_scalar_cycles):
8698         (vect_analyze_data_ref_dependence):
8699         (vect_enhance_data_refs_alignment):
8700         (vect_analyze_data_ref_accesses):
8701         (vect_analyze_pointer_ref_access):
8702         (vect_analyze_data_refs):
8703         (vect_analyze_loop): Likewise.
8705         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
8706         changed from loop to loop_loc.
8708         (vect_enhance_data_refs_alignment): Removed unused variable loop.
8710 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
8711             Dorit Naishlos  <dorit@il.ibm.com>
8713         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
8714         declaration added.
8715         (vect_analyze_data_ref_dependences): Likewise.
8717         (vect_is_simple_use): Argument changed from loop structure to
8718         loop_vect_info structure.
8719         (vect_can_advance_ivs_p): Likewise.
8720         (vect_create_index_for_vector_ref): Likewise.
8721         (vect_update_ivs_after_vectorizer): Likewise.
8722         (new_stmt_vec_info): Likewise.
8724         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
8725         changed from loop to loop_vinfo.
8726         (vect_create_data_ref_ptr): First argument in call to
8727         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
8728         (vectorizable_assignment): Second argument in call to vect_is_simple_use
8729         was changed from loop to loop_vinfo.
8730         (vectorizable_operation): Likewise.
8731         (vectorizable_store): Likewise.
8732         (vect_mark_stmts_to_be_vectorized): Likewise.
8733         (vect_do_peeling_for_loop_bound): First argument in call to
8734         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
8735         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
8736         was changed from loop to loop_vinfo.
8737         (vect_analyze_data_ref_dependences): Third argument in call to
8738         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
8740         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
8741         (vect_create_data_ref_ptr): Likewise.
8742         (vect_init_vector): Likewise.
8743         (vect_get_vec_def_for_operand): Likewise.
8744         (vectorizable_assignment): Likewise.
8745         (vectorizable_operation): Likewise.
8746         (vectorizable_store): Likewise.
8747         (vectorizable_load): Likewise.
8748         (vect_update_ivs_after_vectorizer): Likewise.
8749         (vect_is_simple_use): Likewise.
8750         (vect_analyze_data_ref_dependence): Likewise.
8751         (vect_analyze_pointer_ref_access): Likewise.
8752         (vect_can_advance_ivs_p): Likewise.
8754         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
8755         before _stmt_vec_info.
8756         (_stmt_vec_info): Loop field replaced by loop_vec_info.
8757         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
8758         (new_stmt_vec_info): Argument changed from loop structure to
8759         loop_vect_info structure
8761         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
8762         (vect_analyze_offset_expr): Avoid 80 columns overflow.
8763         (vect_create_addr_base_for_vector_ref): Likewise.
8764         (vect_analyze_pointer_ref_access): Likewise.
8766 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
8768         PR tree-opt/19768
8769         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
8770         phi flag if the phi is abnormal.
8772 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
8774         PR tree-opt/19736
8775         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
8776         information for the new statement.
8778 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
8780         PR driver/19117
8781         * gcc.c (main): Include the target in -v output.
8783 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
8785         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
8786         Do not drop the extend if we'd have to add a paradoxical subreg
8787         later.  Include optabs.h and insn-codes.h.
8788         * Makefile.in (combine.o): Depend on $(OPTABS_H).
8790 2005-02-02  Roger Sayle  <roger@eyesopen.com>
8792         PR middle-end/19405
8793         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
8794         * fold-const.c (const_binop): Avoid constant folding floating
8795         point operations in modes that use composite representations.
8796         * simplify-rtx.c (simplify_binary_operation): Likewise.
8798 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
8800         * config/rs6000/altivec.md (altivec_dst): Make the first operand
8801         a REG, not a MEM.
8802         (altivec_dstt): Likewise.
8803         (altivec_dstst): Likewise.
8804         (altivec_dststt): Likewise.
8805         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
8806         of first operand.
8808 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
8810         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
8811         EXPR_LOCUS from orig_cond to the new cond_stmt.
8812         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
8813         the new vec_stmt.
8815 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
8817         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
8818         standard_iv_increment_position. Remove call to bsi_next
8819         (no need to bump the iterator anymore).
8820         (vect_create_index_for_vector_ref): Call
8821         standard_iv_increment_position. Remove second function argument.
8822         (vect_finish_stmt_generation): Remove call to bsi_next
8823         (no need to bump the iterator anymore).
8824         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
8825         to vect_create_index_for_vector_ref.
8827 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
8829         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
8830         phis are used out of the loop.
8832 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
8834         PR c/17807
8835         * c-decl.c (undef_nested_function): New variable.
8836         (pop_scope): Diagnose undefined nested functions.
8837         (finish_function): Don't attempt cgraph processing or genericizing
8838         if current top-level function contained an undefined nested
8839         function.  Reset undef_nested_function at the end of a top-level
8840         function.
8842 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
8844         * tree.c (build_int_cst_type): Take sign of the value into account
8845         when deciding whether sign extend the value.
8847 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
8849         PR c/18502
8850         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
8851         (cpp_options, cc1_options): Change %{std*&ansi} to
8852         %{std*&ansi&trigraphs}.
8854 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
8856         * cse.c: Update comments.
8858 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
8860         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
8861         arguments go on the stack.  Do not put complex doubles in odd/even
8862         pairs.
8864 2005-02-02  Steven Bosscher  <stevenb@suse.de>
8866         * doc/invoke.texi: Update the options enabled at -O1, -O2,
8867         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
8868         -ftree-pre, and -fthread-jumps.
8870 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
8872         PR tree-optimization/19578
8873         * tree-flow.h (modified_noreturn_calls): Declare.
8874         (noreturn_call_p): Declare.
8875         * tree-flow-inline.h (noreturn_call_p): New function.
8876         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
8877         * tree-cfg.c (modified_noreturn_calls): New variable.
8878         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
8879         that contain a mid-block noreturn call.
8880         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
8882 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
8884         * df.c (df_def_record_1, df_uses_record): Don't use
8885         DF_FOR_REGALLOC.
8886         * df.h (DF_FOR_REGALLOC): Remove.
8888 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
8890         PR c/19435
8891         * c-typeck.c (really_start_incremental_init): Reset
8892         constructor_max_index for arrays of incomplete type.
8894 2005-02-02  Jeff Law  <law@redhat.com>
8896         * gcse.c (struct reg_set): Store the block index where the register
8897         was set rather than the setting insn.
8898         (record_one_set, compute_transp): Corresponding changes.
8899         (pre_insert_copy_insn): Do not call replace_one_set.
8900         (replace_one_set): Remove.
8902 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
8904         PR other/15514
8905         * doc/gcov.texi: Fix typo.
8907 2005-02-01  Richard Henderson  <rth@redhat.com
8909         PR target/19680
8910         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
8911         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
8912         type to bool.
8913         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
8914         * config/i386/i386-protos.h: Update.
8916 2005-02-01  Steven Bosscher  <stevenb@suse.de>
8918         PR tree-optimization/19217
8919         * tree-cfg.c (verify_expr): Use the data field to see if TP was
8920         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
8921         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
8922         that it is walking a PHI node.
8924 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
8926         * doc/extend.texi (Nested Functions): Update.
8928 2005-02-01  Richard Henderson  <rth@redhat.com>
8930         PR 19696
8931         * optabs.c (expand_copysign_absneg): Export.
8932         * optabs.h (expand_copysign_absneg): Declare.
8933         * config/rs6000/rs6000.md (copysigntf3): New.
8935 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
8937         PR tree-optimization/19633
8938         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
8939         * tree-ssa-alias.c (init_alias_info): Initialize.
8940         (merge_pointed_to_info): Set.
8941         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
8942         (dump_points_to_info_for): Show value of pt_null.
8943         (struct count_ptr_d): Declare.
8944         (find_ptr_dereference): Remove.
8945         (ptr_is_dereferenced_by): Remove.
8946         (count_ptr_derefs): New local function.
8947         (count_uses_and_derefs): New local function.
8948         (compute_points_to_and_addr_escape): Call it.  If the number
8949         of dereferences is greater than zero, mark the pointer as
8950         dereferenced.  If there are fewer dereferences than uses of
8951         the pointer, the pointer's value escapes.
8953 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
8955         PR tree-optimization/19670
8956         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
8957         here...
8958         (verify_use): ... set it here, instead.
8960 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
8962         * doc/sourcebuild.texi (Test directives): Fix formatting.
8964         * doc/sourcebuild.texi (Test directives): Describe selector
8965         expressions.
8967 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
8969         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
8970         specific 64-bit CPUs.
8972 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
8974         PR target/16201
8975         * arm.c (arm_eliminable_register): New function.
8976         (adjacent_mem_locations): Don't allow eliminable registers.  Use
8977         HOST_WIDE_INT for address offsets.
8978         * arm-protos.h (arm_eliminable_register): Add prototype.
8980 2005-02-01  Steven Bosscher  <stevenb@suse.de>
8982         PR optimization/15242
8983         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
8984         * basic-block.h (duplicate_computed_gotos): Add prototype.
8985         * bb-reorder.c (duplicate_computed_gotos): New function to
8986         duplicate sufficiently small blocks ending in a computed jump.
8987         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
8988         if not optimizing for size.
8989         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
8990         never do tail merging for blocks ending in a computed jump.
8991         * doc/invoke.texi: Document the max-goto-duplication-insns param.
8993 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
8995         Patch from Richard Sandiford <rsandifo@redhat.com>
8996         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
8997         from inheriting a subreg equivalence with a non-spill register.
8999         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
9001 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
9003         * config/frv/frv.c (movcc_fp_destination_operand): New.
9004         (gpr_or_memory_operand): Fix typo in comment.
9005         (gpr_or_memory_operand_with_scratch): New.
9006         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
9007         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
9008         movcc_fp_destination_operand.
9009         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
9010         Legitimize memory addresses using a scratch register.
9012 2005-01-31  Jeff Law  <law@redhat.com>
9014         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
9015         bitmap a sparse bitmap instead of a simple bitmap.
9016         (mark_def_sites_initialize_block):  Corresponding changes.
9017         (ssa_mark_def_sites_initialize_block): Likewise.
9018         (ssa_mark_phi_uses): Likewise.
9019         (mark_def_site, ssa_mark_def_sites): Likewise.
9020         (mark_def_site_blocks): Likewise.
9021         (rewrite_ssa_into_ssa): Likewise.
9023         * tree-ssa-dom.c (record_cond): Pass correct variable type
9024         for last argument to htab_find_slot_with_hash.
9026         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
9027         effects when optimizing 0 % X.  Do not try to optimize X % 0.
9029 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
9031         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
9032         1_mmalua.
9034 2005-02-01  Eric Christopher  <echristo@redhat.com>
9036         * config/mips/mips.c (override_options): Warn if -mint64
9037         is used.
9038         * doc/invoke.texi (MIPS Options): Document that -mint64 is
9039         deprecated.
9041 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
9043         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
9044         timestamp.
9045         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
9046         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
9047         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
9048         (cached_regno): Initialize to INVALID_REGNUM.
9049         (cse_reg_info_table_size,
9050         cse_reg_info_table_first_uninitialized,
9051         cse_reg_info_timestamp): New.
9052         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
9053         get_cse_reg_info.
9054         (init_cse_reg_info, get_cse_reg_info_1): New.
9055         (get_cse_reg_info): Cache the last look-up.
9056         (new_basic_block): Update the code to clear mappings from
9057         registers to cse_reg_info entries.
9058         (cse_main): Call init_cse_reg_info.
9060         * cse.c (get_cse_reg_info): Update a comment.
9062 2005-01-31  Steven Bosscher  <stevenb@suse.de>
9064         PR c/19333
9065         * c-decl.c (start_decl): Do not warn about arrays of elements with
9066         an incomplete type here.
9067         (grokdeclarator): Do it here by making a pedwarn an error.
9068         * c-typeck.c (push_init_level): If there were previous errors with
9069         the constructor type, do not warn about braces for initializers.
9070         (process_init_element): Likewise for excess initializer elements.
9072 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
9074         * cse.c (delete_trivially_dead_insn): Don't iterate.
9076 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
9078         * config/rs6000/rs6000.md (copysignsf3): New expand.
9079         (copysigndf3): Likewise.
9081 2005-01-31  Steven Bosscher  <stevenb@suse.de>
9083         * recog.c (constrain_operands): Only look for earlyclobber operand
9084         conflicts if an '&' constraint was seen.
9086 2005-01-31  Marc Espie <espie@openbsd.org>
9088         * config.gcc: Don't include embedded systems fragment, switches default
9089         debugging format to ELF.
9090         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
9091         longer pick it up there.
9093 2005-01-31  Dale Johannesen  <dalej@apple.com>
9095         * doc/extend.texi (nested functions): Fix linkage description.
9096         Clarify that static is not allowed.
9098 2005-01-31  Dale Johannesen  <dalej@apple.com>
9100         * config/rs6000/darwin.md (movsf_low_di):  Make work.
9101         (movdf_low_di):  Make work.
9103 2005-01-31  Dale Johannesen  <dalej@apple.com>
9105         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
9106         Make work for 64 bit.
9108 2005-01-31  Roger Sayle  <roger@eyesopen.com>
9109             Dale Johannesen  <dalej@apple.com>
9111         PR middle-end/19650
9112         * fold-const.c (fold_binary_op_with_conditional_arg):
9113         Make types match original operands, before STRIP_NOPS.
9115 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
9117         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
9118         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
9119         (struct gcc_sigcontext): Delete.  Merge contents to..
9120         (struct gcc_ucontext): ..here.
9121         (get_sigcontext): Delete.
9122         (get_regs): New function, like get_sigcontext but return regs ptr.
9123         64-bit version finds regs from r1 to support vdso.
9124         (ppc_linux_aux_vector): New function.
9125         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
9126         and vector regs.
9128 2005-01-31  Ira Rosen  <irar@il.ibm.com>
9130         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
9131         sizetype.
9132         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
9133         redundant fold. Fix misalignment for MINUS_EXPR.
9134         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
9135         (vect_analyze_pointer_ref_access): Likewise.
9136         (vect_get_memtag_and_dr): Likewise.
9138 2005-01-31  Richard Henderson  <rth@redhat.com>
9140         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
9141         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
9142         absnegdf2_i387, absnegxf2_i387): Likewise.
9144 2005-01-31  Richard Henderson  <rth@redhat.com>
9146         PR 19696
9147         * optabs.c (expand_copysign_absneg): New.
9148         (expand_copysign_bit): Split out from ...
9149         (expand_copysign): ... here.  Use expand_copysign_absneg.
9151 2005-01-30  Roger Sayle  <roger@eyesopen.com>
9153         PR middle-end/19697
9154         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
9155         constant as the second operand and a register as the third.
9157 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
9159         PR target/19704
9160         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
9161         that dllimport'd functions do not use all call-clobbered registers
9162         to pass parameters.
9164 2005-01-30  Richard Henderson  <rth@redhat.com>
9166         PR 19696
9167         * optabs.c (expand_absneg_bit): Split out from expand_unop and
9168         expand_abs_nojump and generalize.  Use operand_subword and
9169         emit_no_conflict_block.  Support large modes.
9170         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
9171         back to maximum.
9172         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
9173         negation to subtraction.
9174         (expand_copysign): Check that the format has signed zeros.
9175         Use operand_subword and emit_no_conflict_block.  Support large modes.
9177 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
9179         Fix PR tree-optimization/19624
9181         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
9182         * tree-ssa-pre.c: Add cfgloop.h.
9183         Update comment.
9184         (pre_stats): New member, constified.
9185         (inserted_exprs): New static variable.
9186         (NECESSARY): New macro.
9187         (create_expression_by_pieces): Fold the expression, and
9188         mark it as defaulting to not necessary. Also put in
9189         inserted_exprs.
9190         (fully_constant_expression): New function.
9191         (insert_into_preds_of_block): Modify to not insert phis when we
9192         are playing with induction variables.
9193         Push phis onto the inserted_exprs vector, and mark them as not
9194         necessary by default.
9195         (insert_aux): Call fully_constant_expression on eprime.
9196         If all edges produce the same value, mark it constant.
9197         (mark_operand_necessary): New function.
9198         (remove_dead_inserted_code): New function.
9199         (init_pre): Init loop optimizer to get loop info.
9200         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
9201         (execute_pre): Commit edge inserts, then remove dead code.
9203 2005-01-30  Richard Henderson  <rth@redhat.com>
9205         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
9206         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
9208 2005-01-30  Richard Henderson  <rth@redhat.com>
9210         PR target/19700
9211         * config/i386/i386.c (ix86_expand_copysign): New.
9212         (ix86_split_copysign_const): New.
9213         (ix86_split_copysign_var): Rename from ix86_split_copysign,
9214         rearrange op1/nmask operands.
9215         * config/i386/i386-protos.h: Update.
9216         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
9217         (copysigndf3): Likewise.
9218         (copysignsf3_const, copysigndf3_const): New.
9219         (copysignsf3_var): Rename from copysignsf3, split out splitter
9220         and fix split predicate for X constraint.
9221         (copysigndf3_var): Similarly.
9223 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
9225         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
9226         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
9227         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
9229 2005-01-29  Richard Henderson  <rth@redhat.com>
9231         PR target/19690
9232         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
9233         of # and * in constraints.
9235 2005-01-29  Richard Henderson  <rth@redhat.com>
9237         PR middle-end/19689
9238         * expr.c (store_field): Don't strip sub-mode cast when the input
9239         data is even smaller.
9241 2005-01-29  Richard Henderson  <rth@redhat.com>
9243         PR middle-end/19687
9244         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
9245         union being empty.
9247 2005-01-29  Richard Henderson  <rth@redhat.com>
9249         * combine.c (make_field_assignment): Fix argument order
9250         to gen_int_mode.
9252 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
9254         PR tree-optimization/15791
9255         * fold-const.c (extract_array_ref): New function.
9256         (fold): Fold comparisons between &a[i] and &a[j] or
9257         semantically equivalent trees.
9259 2005-01-29  Jeff Law  <law@redhat.com>
9261         * gcse.c (insert_expr_in_table): Revamp handling of available
9262         and anticipatable occurrence lists to avoid unnecessary list
9263         walking.
9264         (insert_set_in_table): Similarly.
9266 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
9268         * c-common.c (fix_string_type): Just use c_build_qualified_type to
9269         build string type.
9270         (c_build_qualified_type): Build qualified array types with
9271         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
9272         * c-decl.c (c_make_fname_decl): Build unqualified array type
9273         before qualified type.
9274         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
9275         type is qualified, not just if type itself is.  Don't apply
9276         qualifiers to array type when declarator is processed.  Apply
9277         qualifiers to field type whether or not it is an array type.
9278         Don't handle array types specially for applying qualifiers to
9279         variables.
9280         * c-typeck.c (composite_type): Build unqualified element type and
9281         array type when forming composite of array types.
9282         (common_pointer_type, comptypes, comp_target_types,
9283         type_lists_compatible_p, build_indirect_ref, build_array_ref,
9284         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
9285         types.
9286         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
9287         (args2) in variables a1 and a2.
9289 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
9291         * cse.c (n_elements_made, max_elements_made): Remove.
9292         (insert): Don't touch n_elements_made.
9293         (cse_main): Don't touch n_elements_made or max_elements_made.
9295 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
9297         PR target/15384
9298         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
9299         configuration part of dp-bit.c to be lost.
9301 2005-01-28  Roger Sayle  <roger@eyesopen.com>
9303         * expmed.c (expand_mult_highpart_optab): When attempting to use
9304         a non-widening multiplication in a wider mode, the operands need
9305         to be converted (zero or sign extended) to that mode.
9307 2005-01-28  Ian Lance Taylor  <ian@airs.com>
9309         PR middle-end/16558
9310         PR middle-end/19583
9311         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
9312         through if both operands fall through.
9314 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
9316         * cse.c (fold_rtx) <PC>: Don't optimize.
9318 2005-01-28  Jeff Law  <law@redhat.com>
9320         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
9321         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
9323 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
9325         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
9326         cse_reg_info_used_list_end): Remove.
9327         (cse_reg_info_list, cse_reg_info_list_free): New.
9328         (get_cse_reg_info): When allocating an instance of
9329         cse_reg_info, add it to the beginning of the cse_reg_info_list
9330         list.  Remove code to maintain cse_reg_info_used_list.
9331         (new_basic_block): Reset the free list to the beginning of
9332         cse_reg_info_list.
9334 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
9336         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
9337         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
9338         (frv_expand_mdpackh_builtin): New function.
9339         (frv_expand_builtin): Use it to expand __MDPACKH.
9340         * doc/extend.texi (__MDPACKH): Update documentation.
9342 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
9344         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
9345         SSE_FLOAT_MODE_P for use_sse computation.
9347 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
9349         PR target/19663
9350         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
9352 2005-01-27  Richard Henderson  <rth@redhat.com>
9354         * builtins.c (expand_builtin_copysign): New.
9355         (expand_builtin): Call it.
9356         * genopinit.c (optabs): Add copysign_optab.
9357         * optabs.c (init_optabs): Initialize it.
9358         (expand_copysign): New.
9359         * optabs.h (OTI_copysign, copysign_optab): New.
9360         (expand_copysign): Declare.
9362         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
9363         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
9365         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
9366         (ix86_expand_fp_absneg_operator): ... here.
9367         (ix86_split_copysign): New.
9368         * config/i386/i386-protos.h: Update.
9369         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
9370         (copysignsf3, copysigndf3): New.
9372         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
9373         (copysignsf3, ncopysignsf3): New.
9374         (copysigndf3, ncopysigndf3): New.
9375         (copysignxf3, ncopysignxf3): New.
9376         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
9378 2005-01-27  Arend Bayer  <arend.bayer@web.de>
9379             Kazu Hirata  <kazu@cs.umass.edu>
9381         * cse.c: (find_best_addr): Don't call copy_rtx before calling
9382         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
9383         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
9384         NULL_RTX.
9386 2005-01-27  Jeff Law  <law@redhat.com>
9388         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
9389         definitions of SSA_NAMEs which are not being rewritten.
9390         (rewrite_ssa_into_ssa): Only initialize the current definition
9391         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
9392         If checking is enabled, assert that SSA_NAME_AUX is clear for all
9393         SSA_NAMEs before returning.
9395 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
9397         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
9398         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
9399         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
9400         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
9401         config/mips/iris6.h, config/sh/sh.c: Update copyright.
9403 2005-01-27  Steven Bosscher  <stevenb@suse.de>
9405         PR middle-end/17278
9406         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
9407         higher to -O2 and higher.  Likewise for tree PRE.
9408         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
9409         and better.
9411 2005-01-27  Ian Lance Taylor  <ian@airs.com>
9413         PR middle-end/19583
9414         * gimple-low.c (try_catch_may_fallthru): New static function.
9415         (block_may_fallthru): Handle TRY_CATCH_EXPR.
9416         * tree-inline.c (expand_call_inline): Don't warn about reaching
9417         the end of a non-void function being inlined if the function uses
9418         a return slot.
9420 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
9422         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
9424         PR c/18946
9425         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
9426         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
9427         (implicitly_declare): Handle error_mark_node.
9429 2005-01-27  Richard Henderson  <rth@redhat.com>
9431         PR tree-opt/14329
9432         * tree.h (struct tree_decl): Add debug_expr_is_from.
9433         (DECL_DEBUG_EXPR_IS_FROM): New.
9434         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
9435         * dwarf2out.c (dwarf2out_var_location): Update to match.
9436         * tree-outof-ssa.c (create_temp): Likewise.
9437         * var-tracking.c (track_expr_p): Likewise.
9438         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
9439         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
9440         * toplev.c (default_tree_printer): Likewise.
9442 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
9444         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
9445         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
9447 2005-01-27  Steven Bosscher  <stevenb@suse.de>
9449         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
9450         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
9451         ASM_CLOBBERS): Add tree checks.
9453         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
9454         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
9455         * c-common.def (SWITCH_STMT): Update to match.
9456         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
9457         macros instead of SWITCH_EXPR ones.
9458         * c-dump.c (c_dump_tree): Likewise.
9459         * c-gimplify.c (gimplify_switch_stmt): Likewise.
9460         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
9462         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
9464 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
9466         * unwind-dw2.c (execute_stack_op): Add missing cases for
9467         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
9469 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
9471         * config.gcc (Obsolete configurations): Remove 'dummy', add
9472         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
9473         sparc-*-openbsd*.
9475 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
9477         PR tree-optimization/19633
9478         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
9479         CALL_EXPRs.
9480         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
9481         are no call-clobbered variables.
9482         * tree-outof-ssa.c (check_replaceable): Return false for calls
9483         with side-effects.
9485 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
9487         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
9488         even for variables with NULL DECL_INITIAL.
9490 2005-01-26  Stuart Hastings  <stuart@apple.com>
9492         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
9494 2005-01-26  Richard Henderson  <rth@redhat.com>
9496         PR middle-end/18008
9497         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
9498         field's type.
9499         * expr.c (store_field): Strip conversions to odd-bit-sized types
9500         if the destination field width matches.
9502 2005-01-26  Richard Henderson  <rth@redhat.com>
9504         * c-decl.c, expmed.c, expr.c: Revert last change.
9506 2005-01-26  Richard Henderson  <rth@redhat.com>
9508         PR middle-end/18008
9509         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
9510         field's type.
9511         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
9512         if we don't need the bits above those present in the current mode.
9513         * expr.c (store_field): Strip conversions to odd-bit-sized types
9514         if the destination field width matches.
9516 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
9518         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
9519         either -ffast-math or -funsafe-math-optimizations is in use.
9521 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
9523         PR target/19293
9524         PR target/19329
9525         * config/avr/avr.c (notice_update_cc): Only set condition code for
9526         ashrqi3 if shift count > 0.
9527         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
9528         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
9529         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
9530         count <= 0 as a no-op, and shift count >= width by copying zero
9531         or sign bit to all bits of the result.
9532         * config/avr/avr.md (all shifts): Add alternatives for zero shift
9533         count, with attribute "length" set to 0 and "cc" set to "none".
9535 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
9537         * doc/invoke.texi: Document -mTLS.
9539         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
9540         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
9541         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
9542         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
9543         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
9544         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
9545         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
9546         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
9548         * configure.ac: Check for a TLS capable gas.
9550         * configure: Regenerate.
9552 2005-01-26  Richard Henderson  <rth@redhat.com>
9554         PR middle-end/18008
9555         * combine.c (make_field_assignment): Simplify store to zero_extract
9556         from a source with an overlapping mask.
9558 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
9560         2004-11-11  Eric Christopher  <echristo@redhat.com>
9562         * config/frv/frv.md: Add fr400_integer automaton. Don't
9563         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
9564         to TYPE_MACC.
9566 2005-01-26  Steven Bosscher  <stevenb@suse.de>
9568         PR middle-end/16585
9569         * cfgbuild.c (make_edges): Do not clear or set
9570         current_function_has_computed_jump.
9571         * function.h (struct function): Remove the has_computed_jump field.
9572         (current_function_has_computed_jump): Do not define.
9573         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
9574         in a computed jump.  Ignore current_function_has_computed_jump.
9576 2005-01-26  Richard Henderson  <rth@redhat.com>
9578         PR middle-end/19515
9579         * expr.c (categorize_ctor_elements): New argument p_must_clear.
9580         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
9581         fully initialized.
9582         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
9583         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
9584         objects into static storage if they have more than one non-zero value.
9585         * tree.h (categorize_ctor_elements): Update decl.
9587 2005-01-26  Steven Bosscher  <stevenb@suse.de>
9589         PR middle-end/19616
9590         * tree.h (CALL_EXPR_TAILCALL): Add comment.
9591         * calls.c (check_sibcall_argument_overlap_1): Revert the change
9592         to this function from 2004-07-10.
9593         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
9594         the current function for tail call optimizations if the address
9595         of one of it its arguments is taken.
9597 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
9599         * cse.c (fold_rtx): Call equiv_constant only when necessary.
9601 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
9603         * function.c (expand_function_end): If current_function_calls_alloca,
9604         emit stack restore in a place that is reached when the function falls
9605         through at the end.
9607 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
9609         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
9610         rule to avoid matching inappropriate suffix rule.
9612 2005-01-26  Jan Hubicka  <jh@suse.cz>
9614         PR tree-optimization/19241
9615         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
9617 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
9619         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
9620         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
9621         of doubling.
9622         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
9623         <sim*>: Always use crt1.o, regardless of N in simN.
9624         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
9625         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
9626         (CRT_CALL_STATIC_FUNCTION): Remove.
9627         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
9628         use crt1.o, regardless of N in simN.
9629         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
9630         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
9631         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
9632         case isystem setting.
9633         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
9635 2005-01-25  Ian Lance Taylor  <ian@airs.com>
9637         * gimple-low.c (block_may_fallthru): Correct handling of
9638         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
9640 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
9642         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
9643         handlers to match indentation; nested under the mtune=* handler.
9644         Similar for mcpu= and march=.
9646 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
9648         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
9649         * config/mips/linux64.h (LIB_SPEC): Likewise.
9650         * config/mn10300/linux.h (LIB_SPEC): Likewise.
9651         * config/sh/linux.h (LIB_SPEC): Likewise.
9653 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
9655         * config/frv/frv.c (frv_legitimize_tls_address): New.
9656         (TARGET_HAVE_TLS): Define.
9657         (FRV_SYMBOL_REF_TLS_P): Define.
9658         (frv_override_options): Handle new register classes.
9659         (frv_legitimate_address_p): Reject tls addresses.
9660         (frv_legitimize_address): Handle TLS addresses.
9661         (gen_inlined_tls_plt): New.
9662         (gen_tlsmoff): New.
9663         (frv_legitimize_tls_address): New.
9664         (unspec_got_name): Add TLS entries.
9665         (got12_operand): Add R_FRV_TLSMOFF12 case.
9666         (frv_emit_move): Fixup TLS addresses.
9667         (frv_emit_movsi): Legitimize TLS addresses.
9669         * config/frv/frv.h (MASK_BIG_TLS): New.
9670         (TARGET_BIG_TLS): New.
9671         (HAVE_AS_TLS): Define.
9672         (TARGET_SWITCHES): Add -mTLS and -mtls options.
9673         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
9674         (REG_CLASS_NAMES): Same.
9675         (REG_CLASS_CONTENTS): Same.
9676         (CONSTRAINT_LEN): New.
9677         (REG_CLASS_FROM_CONSTRAINT): New.
9678         (PREDICATE_CODES): Add symbolic_operand.
9680         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
9681         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
9682         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
9683         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
9684         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
9685         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
9686         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
9687         GR9_REG, GR14_REG, LRREG.
9688         (type): Add load_or_call attribute.
9689         ("load_or_call"): New reservation.
9690         ("call_gettlsoff"): New.
9691         ("tls_indirect_call"): New.
9692         ("tls_load_gottlsoff12"): New.
9693         ("tlsoff_hilo"): New.
9694         ("tls_tlsdesc_ldd"): New.
9695         ("tls_tlsoff_ld"): New.
9696         ("tls_lddi"): New.
9698         * config/frv/frv-protos.h (symbolic_operand): Protoize.
9700         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
9702         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
9703         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
9704         * config/frv/frv.c (TLS_BIAS): Define.
9705         (frv_output_dwarf_dtprel): New.
9707 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
9709         PR rtl-optimization/19579
9710         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
9711         both A and B, see if they don't clobber registers the other expr uses.
9713 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
9715         * real.c (do_add): Initialize signalling and canonical members.
9717         * real.c (real_from_integer): Zero out destination.
9719 2005-01-18  Jan Hubicka  <jh@suse.cz>
9721         PR tree-optimize/19337
9722         * tree-inline.c (initialize_inlined_parameters): Copy
9723         saved_static_chain_decl only.
9725 2005-01-25  Richard Henderson  <rth@redhat.com>
9727         PR target/19556
9728         PR target/19584
9729         * config/i386/i386.c (x86_inter_unit_moves): Zero.
9730         (ix86_preferred_reload_class): Rewrite fp-constant section, with
9731         80387 enabled, to return a proper subclass.  Return the subset that
9732         overlaps with GENERAL_REGS for PLUS.
9733         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
9735 2005-01-25  Richard Henderson  <rth@redhat.com>
9737         PR middle-end/19609
9738         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
9740 2005-01-25  Roger Sayle  <roger@eyesopen.com>
9742         * expmed.c (choose_multiplier): Change interface to return the
9743         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
9744         (expand_divmod): Update calls to choose_multiplier.
9746 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9748         PR middle-end/19330
9749         * expmed.c (extract_bit_field): Use adjust_address instead of
9750         gen_lowpart when op0 is a MEM.
9752 2005-01-24  Steven Bosscher  <stevenb@suse.de>
9754         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
9756 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
9758         * config/mips/irix-csr.c: New file.
9759         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
9760         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
9761         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
9762         executables.
9764 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
9766         PR bootstrap/19364
9767         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
9768         sparc/elf.h, add sparc/sp-elf.h.
9769         (sparc-*-rtems*): Likewise.
9770         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
9771         tm-dwarf2.h, add sparc/sp-elf.h.
9772         (sparc86x-*-elf): Likewise.
9773         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
9774         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
9775         TARGET_OS_CPP_BUILTINS.
9776         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
9777         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
9778         Undefine it.
9779         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
9780         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
9781         (SWITCH_TAKES_ARG): Likewise.
9782         (LOCAL_LABEL_PREFIX): Likewise.
9783         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
9784         (TARGET_N_FORMAT_TYPES): Delete.
9785         (TARGET_FORMAT_TYPES): Likewise.
9786         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
9787         * config/sparc/elf.h: Delete.
9788         * config/sparc/sp-elf.h: New file.
9790 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
9792         * tree-flow-inline.h (phi_arg_from_edge): Remove.
9793         * tree-flow.h: Remove the corresponding prototype.
9794         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
9795         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
9797 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
9799         PR target/17751
9800         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
9801         for AIX ABI or ELF -fPIC.
9802         (rs6000_emit_load_toc_table): Don't create toc_section here.
9803         (rs6000_xcoff_file_start): Nor here.
9805 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
9807         * sh.c (ra.h): Don't #include.
9808         (hard_regs_intersect_p): New function, resurrected from ra.c.
9810         * sh.c: Fix 1996 Copyright.
9812 2005-01-24  Richard Henderson  <rth@redhat.com>
9813             Aldy Hernandez  <aldyh@redhat.com>
9815         * regrename.c (note_sets): Handle subregs.
9817 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
9819         PR bootstrap/18058
9820         * genconditions.c (write_header, write_conditions): Elide file if
9821         not GCC >= 3.0.1.
9823 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
9825         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
9826         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
9827         Update copyright.
9829 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
9831         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
9832         expand_builtin_printf, expand_builtin_fprintf,
9833         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
9834         checking against POINTER_TYPE.
9835         (validate_arglist): Handle POINTER_TYPE code by checking
9836         POINTER_TYPE_P.
9838 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
9840         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
9841         init_rtlanal): New.
9842         (for_each_rtx): Call for_each_rtx_1.
9843         * rtl.h (init_rtlanal): Declare.
9844         * toplev.c (backend_init): Call init_rtlanal.
9846 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
9848         * flow.c (propagate_one_insn): Formatting.
9850         PR middle-end/19551
9851         * flow.c (libcall_dead_p): Be more conservative if unsure.
9852         If there are any instructions between insn and call, see if they are
9853         all dead before saying the libcall is dead.
9855 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
9857         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
9858         operand constraint for operand 0.
9860 2005-01-23  Richard Henderson  <rth@redhat.com>
9862         PR 19486
9863         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
9864         edges leading to join block.
9866 2005-01-23  Roger Sayle  <roger@eyesopen.com>
9868         * expmed.c (expand_mult_highpart): Make static.  Change type of
9869         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
9870         (expand_divmod): Updates calls to expand_mult_highpart by using
9871         gen_int_mode to pass a CONST_INT rtx.
9872         * rtl.h (expand_mult_highpart): Remove prototype.
9874 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
9876         * flow.c (regset_bytes, regset_size): Remove.
9878         * cfganal.c: Fix a reference to Harvey's paper.
9880 2005-01-23  Steven Bosscher  <stevenb@suse.de>
9882         PR rtl-optimization/19464
9883         * tree-optimize.c (init_tree_optimization_passes): Add one more
9884         copyrename pass just before out-of-ssa.
9886 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
9888         PR bootstrap/18058
9889         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
9890         * ggc-none.c (ggc_free): Define.
9892 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
9894         * cse.c (max_reg, max_insn_uid): Remove.
9895         (cse_main): Don't access max_reg or max_insn_uid.
9897         * c-common.c (explicit_flag_signed_bitfields,
9898         lang_statement_code_p, lang_expand_function_end): Remove.
9899         * c-common.h: Remove the corresponding declarations.
9900         * c-opts.c (c_common_handle_option): Remove all write access
9901         to explicit_flag_signed_bitfields.
9903         * cgraph.c (cgraph_varpool_n_nodes): Remove.
9904         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
9905         * cgraph.h: Remove the corresponding declaration.
9907         * gcse.c (null_pointer_info): Remove.
9909 2005-01-23  Roger Sayle  <roger@eyesopen.com>
9910             Eric Botcazou  <ebotcazou@libertysurf.fr>
9912         * combine.c (simplify_logical): Only simplify logical expressions
9913         of the form ior(and(x,y),z) by the inverse distributive law if the
9914         result is cheaper than the original.
9916 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
9918         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
9919         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
9920         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
9921         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
9922         config/freebsd-spec.h, config/arm/arm.h,
9923         config/h8300/h8300.md, config/i386/i386.md,
9924         config/i386/predicates.md, config/i386/sse.md,
9925         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
9926         config/vax/vax.md: Fix comment typos.  Follow spelling
9927         conventions.
9929 2005-01-23  Steven Bosscher  <stevenb@suse.de>
9931         * gengtype.c (walk_type): Produce `not equal to' compares for loop
9932         tests, instead of `less than'.
9934 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
9936         * function.c (assign_parm_setup_block): When creating a new stack slot
9937         for a parameter, get its alignment from the parameter's DECL_ALIGN
9938         rather than the type's TYPE_ALIGN.  Make sure that the parameter
9939         is at least word aligned.
9941 2005-01-22  Roger Sayle  <roger@eyesopen.com>
9943         PR middle-end/19378
9944         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
9946 2005-01-22  Richard Henderson  <rth@redhat.com>
9948         PR target/19506
9949         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
9950         in both compare operands.
9951         (movdfcc_1_sse_max): Likewise.
9952         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
9953         (movdfcc_1_sse): Likewise.
9954         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
9955         scratch register as needed.
9957 2005-01-22  Richard Henderson  <rth@redhat.com>
9959         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
9961         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
9963 2005-01-22  Richard Henderson  <rth@redhat.com>
9965         * genopinit.c (optabs): Use smin/smax for floating point too.
9966         * doc/md.texi: Update to match.  Clarify that floating point
9967         results are undefined for +0/-0 and NaN.
9968         * doc/rtl.texi: Likewise.
9969         * rtl.def (SMIN, SMAX): Likewise
9970         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
9972         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
9973         leading 's' to the name.
9974         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
9975         smaxxf3, sminxf3): Likewise.
9976         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
9977         Likewise.
9979 2005-01-22  Paul Brook  <paul@codesourcery.com>
9981         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
9983 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
9985         * config/s390/s390.c (struct processor_costs): New fields
9986         dlgr, dlr, dr, dsgfr, dsgr.
9987         (z900_cost, z990_cost): Values for new fields.
9988         (s390_rtx_costs): New cases MEM und COMPARE in switch
9989         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
9990         DIV, MOD, UDIV, UMOD.
9992 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
9994         * config/s390/s390.md ("doloop_si64"): Reload input value directly
9995         into the register being decremented.
9996         ("doloop_si31", "doloop_di"): Likewise.
9997         ("*doloop_si_long"): Adapt pattern.
9999 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
10001         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
10002         access registers.
10003         (CLASS_MAX_NREGS): Likewise.
10005 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
10007         * doc/tree-ssa.texi (Statement Operands): Add example for new
10008         must-def macro. Note deprecation of old operands interface.
10010 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
10012         PR tree-optimization/19484
10013         * tree-cfg.c (remove_fallthru_edge): New function.
10014         (cleanup_control_flow): Remove fallthru edges from calls that are
10015         now known not to return.
10017 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
10019         Fix PR tree-optimization/19038
10020         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
10021         copies with loop variant ones.
10023 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
10025         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
10026         config/alpha/alpha-protos.h, config/alpha/alpha.h,
10027         config/alpha/alpha.md, config/alpha/predicates.md,
10028         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
10029         config/sparc/sol2.h: Update copyright.
10031         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
10032         first label to see if it is a nonlocal label.
10034 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
10035             Andrew Pinski  <pinskia@physics.uc.edu>
10037         PR target/19491
10038         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
10039         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
10041 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
10043         * config/rs6000/rtems.h: Update copyright.
10045 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
10047         PR target/19548
10048         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
10049         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
10050         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
10052 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10054         PR c/18809
10055         * c-typeck.c (convert_arguments): Check for error_mark_node.
10057 2005-01-21  Ian Lance Taylor  <ian@airs.com>
10059         PR tree-optimization/13000
10060         * tree-inline.c: Include "tree-flow.h".
10061         (expand_call_inline): If warn_return_type, warn if non-void inline
10062         function falls through.
10063         * tree-cfg.c (execute_warn_function_return): Don't warn about
10064         control reaching end if TREE_NO_WARNING is set.  Set
10065         TREE_NO_WARNING.
10066         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
10067         has been lowered.
10068         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
10069         branch if we don't need one.
10070         * c-typeck.c: Include "tree-flow.h"
10071         (c_finish_bc_stmt): Don't add a goto if the current statement
10072         list doesn't fall through to the current point.
10074 2005-01-21  Roger Sayle  <roger@eyesopen.com>
10076         PR rtl-optimization/576
10077         * real.c (real_arithmetic): Change return type from void to bool
10078         to return an indication that the result may be inexact.
10079         * real.h (real_arithmeric): Update prototype.
10080         * fold-const.c (const_binop):  Don't constant fold floating
10081         point expressions when the user specifies -frounding-math and
10082         the result may depend upon the run-time rounding mode.
10083         (fold_convert_const_real_from_real): Clean-up.
10084         (fold_initializer): Ignore flag_rounding_math for initializers.
10085         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
10086         constant fold FP operations with flag_rounding_math if the
10087         result may depend upon the run-time rounding mode.
10089 2005-01-21  Tom Tromey  <tromey@redhat.com>
10091         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
10093 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
10095         * tree-cfg.c: Fix comment typos.
10097 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
10099         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
10100         around the call to rest_of_handle_branch_target_load_optimize.
10102 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
10104         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
10105         (sparc64-*-openbsd*): Likewise.
10106         (sparclite-*-elf*): Include tm-dwarf2.h.
10107         (sparc86x-*-elf*): Likewise.
10108         (sparc64-*-elf*): Likewise.
10109         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
10110         (DBX_DEBUGGING_INFO): Likewise.
10111         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
10112         (PREFERRED_DEBUGGING_TYPE): Likewise.
10113         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
10114         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
10115         (PREFERRED_DEBUGGING_TYPE): Likewise.
10116         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
10117         (PREFERRED_DEBUGGING_TYPE): Likewise.
10118         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
10120 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
10122         PR target/18701
10123         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
10125 2005-01-20  Paul Brook  <paul@codesourcery.com>
10127         * doc/rtl.texi: Document value extension requirements for CONST_INT.
10129 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
10131         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
10132         label is first in a sequence of labels.
10134         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
10136 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
10137             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
10139         * doc/sourcebuild.texi (Test Directives): New.
10141 2005-01-20  Roger Sayle  <roger@eyesopen.com>
10143         * real.c (real_floor): Don't leave the result uninitialized when
10144         mode is VOIDMode, but return the unrounded intermediate value.
10145         (real_ceil): Likewise.
10147 2005-01-20  Paul Brook  <paul@codesourcery.com>
10149         * config/arm/arm.md (insv): Use gen_int_mode.
10151 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
10153         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
10154         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10155         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10156         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10157         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
10159 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
10161         Fix PR debug/19124
10162         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
10163         fbreg, so we have to assume we can't.
10164         (loc_descriptor_from_tree_1): Ditto.
10165         (containing_function_has_frame_base): New function.
10166         (add_location_or_const_value_attribute): Use it.
10167         Also try to generate a frame_base from a single element location
10168         list.
10170 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
10172         PR tree-optimization/15349
10173         * timevar.def (TV_TREE_MERGE_PHI): New.
10174         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
10175         PHI_WANTED.
10176         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
10177         calls to tree_forwarder_block_p.
10178         (remove_forwarder_block_with_phi, merge_phi_nodes,
10179         gate_merge_phi, pass_merge_phi): New.
10180         * tree-optimize.c (init_tree_optimization_passes): Add
10181         pass_merge_phi.
10182         * tree-pass.h: Add an extern for pass_merge_phi;
10184 2005-01-20  Richard Henderson  <rth@redhat.com>
10186         PR target/19418
10187         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
10188         (_mm_castps_pd, _mm_castps_si128): New.
10189         (_mm_castsi128_ps, _mm_castsi128_pd): New.
10191 2005-01-20  Richard Henderson  <rth@redhat.com>
10193         PR target/19530
10194         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
10195         __builtin_ia32_vec_init_v2si.
10196         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
10197         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
10198         (ix86_init_mmx_sse_builtins): Create it.
10199         (ix86_expand_builtin): Expand it.
10200         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
10201         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
10202         (vec_extractv2si_0, vec_extractv2si_1): New.
10204 2005-01-20  Richard Henderson  <rth@redhat.com>
10206         PR target/16533
10207         * config/i386/i386.c (ix86_expand_push): New.
10208         * config/i386/mmx.md (push<MMXMODE>1): New.
10209         * config/i386/sse.md (push<SSEMODE>1): New.
10210         * config/i386/i386-protos.h: Update.
10212 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
10214         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
10215         copyright.
10217 2005-01-20  Richard Henderson  <rth@redhat.com>
10219         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
10220         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
10222 2005-01-19  Richard Henderson  <rth@redhat.com>
10224         PR target/19350
10225         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
10226         to V4SFmode in SSE1 fallback load path.
10228 2005-01-19  Richard Henderson  <rth@redhat.com>
10230         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
10231         in QImode expansion to ix86_expand_vector_set.
10232         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
10234 2005-01-19  Richard Henderson  <rth@redhat.com>
10236         PR target/19511
10237         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
10238         subclass of the input class.
10239         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
10240         Always true for cross-SSE1 classes.  Rationalize conditionals.
10241         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
10242         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
10243         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
10244         (movdi_2): Add MMX/SSE zeros.
10245         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
10246         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
10247         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
10248         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
10249         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
10250         (zero_extendsidi2_rex64_1): Remove.
10251         (MOV0 peephole): Check GENERAL_REG_P.
10253 2005-01-19  Richard Henderson  <rth@redhat.com>
10255         PR target/19427
10256         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
10257         shufps elements.
10258         (ix86_expand_vector_extract): Likewise.
10260 2005-01-19  Richard Henderson  <rth@redhat.com>
10262         PR middle-end/19304
10263         * expr.c (emit_move_change_mode): New argument force; use
10264         simplify_gen_subreg if true.
10265         (emit_move_via_alt_mode): Merge into ...
10266         (emit_move_via_integer): ... here.
10267         (emit_move_ccmode): Use emit_move_change_mode directly.
10269 2005-01-19  Richard Henderson  <rth@redhat.com>
10271         PR target/19518
10272         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
10273         (alpha_preferred_reload_class): Handle CONST_VECTOR.
10274         (alpha_emit_set_const_1): Add no_output parameter; don't emit
10275         rtl if true.
10276         (alpha_emit_set_const): Likewise.  Make static.
10277         (alpha_emit_set_long_const): Make static.
10278         (alpha_extract_integer): Split out from alpha_expand_mov.
10279         (alpha_split_const_mov): Likewise.
10280         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
10281         (alpha_legitimate_constant_p): New.
10282         * config/alpha/alpha-protos.h: Update.
10283         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
10284         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
10285         * config/alpha/alpha.md (movsi): Add n alternative.
10286         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
10287         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
10288         (splitters for all of the above): Use alpha_split_const_mov.
10289         * config/alpha/predicates.md (non_add_const_operand): New.
10290         (non_zero_const_operand): New.
10291         (input_operand): Use alpha_legitimate_constant_p after reload.
10293 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
10295         PR tree-optimization/19038
10296         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
10297         (add_candidate): Add ivs with increment in latch only if
10298         allow_ip_end_pos_p is true.
10299         (determine_iv_cost): Use empty_block_p.
10301 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
10303         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
10304         (compute_dominance_frontiers): Ditto.
10306 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
10308         PR target/19529
10309         * config/sh/t-rtems: New.
10310         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
10312 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
10314         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
10315         the offset of the selected field.
10317 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
10319         * tree-cfg.c (remove_forwarder_block): Fix the check to
10320         prevent a nonlocal label from appearing in the middle of a
10321         basic block.
10323 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
10325         PR rtl-optimization/19462
10326         * reorg.c (find_end_label): Create return insn only if
10327         current_function_epilogue_delay_list is empty.
10329 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
10331         * doc/passes.texi: Remove paragraph mentioning new-ra.
10333 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
10335         PR rtl-optimization/15139
10336         * combine.c: Include params.h.
10337         (count_rtxs): New function.
10338         (record_value_for_reg): If replace_rtx would replace at least
10339         2 occurrences of REG in VALUE and TEM is really large, replace REG with
10340         (clobber (const_int 0)) instead of TEM.
10341         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
10342         * params.h (MAX_LAST_VALUE_RTL): New.
10343         * Makefile.in (combine.o): Depend on $(PARAMS_H).
10344         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
10346         PR c/17297
10347         * c-typeck.c (digest_init): Only call build_vector if all constructor
10348         elements are *_CST nodes.
10349         * gimplify.c (gimplify_init_constructor): Likewise.
10351         PR middle-end/19164
10352         * c-typeck.c (digest_init): Only call build_vector if inside_init
10353         is a CONSTRUCTOR.
10355 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
10357         * toplev.c (init_asm_output): Remove dead #ifdef.
10359 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
10361         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
10363 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
10365         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
10366         accessing DECL_FUNCTION_CODE.
10367         * dojump.c (do_jump): Likewise.
10368         * gimplify.c (gimplify_call_expr): Likewise.
10369         * predict.c (expr_expected_value): Likewise.
10370         (strip_builtin_expect): Likewise.
10371         * tree-inline.c (estimate_num_insns_1): Likewise.
10372         * tree-ssa-loop-im.c (stmt_cost): Likewise
10373         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
10374         (tree_expr_nonnegative_p): Likewise.
10376 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
10378         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
10379         variant of the load_pcrel_sym pattern.
10380         * config/sparc/sparc.md (P macro): Move to the top.
10381         (load_pcrel_sym): Macroize using P.
10382         (save_register_window): Likewise.
10384 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
10386         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
10387         ("sordered"): Same.
10389 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
10391         PR C/19472
10392         * c-typeck.c (build_asm_expr): Strip nops off
10393         input memory operands.
10395 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
10397         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
10398         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
10399         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
10400         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
10402 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
10404         PR target/19379
10405         * config/i386/i386.c (override_options): If the 80387 is disabled,
10406         then do not return FP values using FP registers.
10408 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
10410         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
10411         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
10412         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
10413         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
10414         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
10415         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
10416         output.h, postreload-gcse.c, postreload.c, recog.c,
10417         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
10418         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
10419         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
10420         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
10421         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
10422         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
10423         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
10424         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
10426         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
10427         config/alpha/alpha.c, config/arm/vfp.md,
10428         config/i386/emmintrin.h, config/i386/i386-modes.def,
10429         config/i386/i386-protos.h, config/i386/i386.h,
10430         config/i386/pmmintrin.h, config/i386/ppro.md,
10431         config/i386/predicates.md, config/i386/xmmintrin.h,
10432         config/i860/i860.c, config/ia64/ia64-modes.def,
10433         config/ia64/ia64-protos.h, config/ia64/ia64.h,
10434         config/ia64/ia64.md, config/ia64/itanium1.md,
10435         config/ia64/itanium2.md, config/ia64/predicates.md,
10436         config/iq2000/iq2000.h, config/mips/linux64.h,
10437         config/rs6000/aix41.h, config/rs6000/aix43.h,
10438         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
10439         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
10440         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
10441         config/sparc/linux64.h, config/sparc/litecoff.h,
10442         config/sparc/sp64-elf.h, config/sparc/sparc.c,
10443         config/sparc/sparc.h, config/sparc/sparc.md,
10444         config/sparc/sysv4-only.h: Update copyright.
10446 2005-01-18  Richard Henderson  <rth@redhat.com>
10448         PR target/19496
10449         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
10451 2005-01-18  Marc Espie  <espie@openbsd.org>
10452         * config/i386/openbsdelf.h: Typo.
10454 2005-01-18  Richard Henderson  <rth@redhat.com>
10456         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
10457         special case for sse.
10458         * config/i386/predicates.md (sse_comparison_operator): Likewise.
10460 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
10462         * tree-inline.c (estimate_num_insns_1): Added cases for
10463         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
10465 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
10467         PR rtl-optimization/19296
10468         * combine.c (simplify_comparison): Rewrite the condition under
10469         which a non-paradoxical SUBREG of a PLUS can be lifted when
10470         compared against a constant.
10472 2005-01-18  Andi Kleen <ak@muc.de>
10474         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
10475         * c.opt (-Wpointer-sign): Add.
10476         * doc/invoke.texi: (-Wpointer-sign): Add.
10478 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
10480         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
10481         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
10482         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
10483         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
10484         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
10485         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
10486         for TARGET_MIX_SSE_I387.
10487         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
10488         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
10489         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
10490         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
10491         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
10492         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
10493         TARGET_MIX_SSE_I387.
10494         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
10495         from expander.
10497 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
10499         PR target/19424
10500         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
10501         Add movaps alternative for xmm reg->reg move.
10503 2005-01-17  Jeff Law  <law@redhat.com>
10505         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
10506         at the end of the main DOM loop rather than just before DOM exits.
10508 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
10510         PR tree-optimization/19121
10511         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
10512         adding aliases to a name tag, also add them to the pointer's
10513         type tag.
10514         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
10515         sensitive alias info at all.  Only check that the two pointers
10516         have compatible pointed-to sets.
10517         * tree-ssa.c (verify_name_tags): Verify that the alias set of
10518         a pointer's type tag is a superset of the alias set of the
10519         pointer's name tag.
10521 2005-01-17  James E Wilson  <wilson@specifixinc.com>
10523         PR target/19357
10524         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
10525         comment to document why.
10527 2005-01-17  Richard Henderson  <rth@redhat.com>
10529         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
10530         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
10531         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
10532         sse2_vmsminv2df3_finite): New.
10533         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
10534         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
10535         Force op1 into register.
10537 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
10539         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
10540         bubblestrap from always rebuilding build directory.
10542 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
10544         * config/s390/s390.md ("*clc"): Remove incorrect '='.
10545         ("*cmpmem_short"): Likewise.
10547 2005-01-17  Steven Bosscher  <stevenb@suse.de>
10549         * basic-block.h: Document BB_* flags.
10550         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
10551         use an sbitmap instead.
10552         * sched-rgn.c (compute_trg_info): Likewise.
10554 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
10556         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
10557         redundant target_cpu_default and extra_parts lines.  Use the default
10558         "from-abi" ISA.
10559         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
10560         (SUBTARGET_EXTRA_SPECS): Delete.
10561         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
10562         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
10563         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
10564         and "n32" for -mabi=n32.
10566 2005-01-17  Ian Lance Taylor  <ian@airs.com>
10568         PR c/5675
10569         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
10570         fold constant variables into initial values.
10572 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
10574         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
10576         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
10577         through the statements backward.
10579 2005-01-17  Ian Lance Taylor  <ian@airs.com>
10581         PR middle-end/13127:
10582         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
10583         a variable set to the return value of the inlined function.
10585 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
10587         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
10588         when modes are tieable.
10590 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
10592         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
10593         of pthread_create to find out if threads are enabled.
10594         * gthr-posix95.h (__gthread_active_p): Likewise.
10596 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
10598         * common.opt (-fnew-ra): Remove.
10599         * ra*.*: Remove.
10600         * toplev.h (flag_new_regalloc): Remove.
10601         * Makefile.in (ra*.*): Don't mention.
10602         * passes.c (rest_of_handle_new_regalloc): Remove.
10603         (rest_of_handle_combine, rest_of_compilation): Always consider
10604         flag_new_regalloc as false.
10605         * doc/invoke.texi: Don't document -fnew-ra.
10607 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
10609         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
10610         last parameter to reg_scan.
10611         * loop.c (loop_optimize): Likewise.
10612         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
10613         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
10614         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
10615         rest_of_handle_gcse, rest_of_handle_loop_optimize,
10616         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
10617         * regclass.c (reg_scan): Likewise, for the declaration.
10618         * rtl.h (reg_scan): Likewise, for the prototype.
10620 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
10622         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
10623         mark_dfs_back_edges.
10625 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
10627         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
10628         (compute_avail): Uses don't go in tmp_gen.
10630 2005-01-16  Steven Bosscher  <stevenb@suse.de>
10632         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
10633         loop to look for a free slot in a page entry.
10635 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10637         PR target/16304
10638         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
10639         * toplev.c (compile_file): Call process_pending_assemble_output_defs
10640         just before targetm.asm_out.file_end.
10641         * tree.h (process_pending_assemble_output_defs): Declare.
10642         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
10643         New functions.
10644         (assemble_alias): Defer generation of assembly code for defines when
10645         TARGET_DEFERRED_OUTPUT_DEFS is true.
10646         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
10647         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
10648         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
10650 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10652         PR target/19336
10653         * pa.c (pa_scalar_mode_supported_p): New function.
10654         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
10655         * pa.h (MIN_UNITS_PER_WORD): Add comment.
10657         * pa-protos.h (prefetch_operand): Delete.
10658         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
10659         * pa.c (prefetch_operand): Delete.
10660         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
10661         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
10662         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
10663         and prefetch_nocc_operand.
10664         * pa.md (prefetch): Rework to avoid reload problems handling short
10665         displacements when a cache control completer needs to be provided.
10666         (prefetch_32, prefetch_64): Delete.
10667         (prefetch_cc, prefetch_nocc): New patterns.
10669 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
10671         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
10673 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10675         PR ada/19388
10676         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
10677         exceeds maximum alignment for global common data.
10678         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
10679         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
10681 2004-01-15  Roger Sayle  <roger@eyesopen.com>
10683         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
10685 2004-01-15  Roger Sayle  <roger@eyesopen.com>
10687         * harg-reg-set.h (reg_class_names): Prototype global array.
10688         * regclass.c (reg_class_names): Declare here and initialize to
10689         REG_CLASS_NAMES.
10690         (dump_regclass): Remove local declaration of reg_class_names.
10691         (regclass): Likewise.
10692         * cfg.c (dump_flow_info): Likewise.
10693         * ra-debug.c (reg_class_names): Likewise.
10694         * regrename.c (reg_class_names): Likewise.
10695         * reload.c (reg_class_names): Likewise.
10696         * reload1.c (spill_failure): Likewise.
10697         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
10699 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
10701         * config/s390/s390.md ("reload_outti"): Remove predicate for
10702         output operand.  Abort if operand is not a MEM.
10703         ("reload_outdi", "reload_outdf"): Likewise.
10705 2005-01-15  Marc Espie  <espie@openbsd.org>
10707         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
10708         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
10709         * config/openbsd.h:  Fix C++ includes for native configurations.
10710         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
10711         Add trampoline support.
10712         * config/i386/openbsdelf.h: New.
10714 2005-01-15  Marc Espie  <espie@openbsd.org>
10716         * collect2.c (main): Explicitly parse -dynamic-linker option.
10718 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
10720         PR tree-optimization/19060
10721         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
10722         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
10723         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
10724         and handle extract_range_from_cond returning false.
10725         * fold-const.c (fold): Optimize comparisons with min/max even for
10726         width > HOST_BITS_PER_WIDE_INT.
10728 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
10730         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
10731         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
10732         Remove little endian multilib variants.
10733         Add mips32 multilib variant.
10735 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
10737         * explow.c (copy_all_reg, stabilize): Remove.
10738         * expr.h: Remove the corresponding prototypes.
10740         * rtlanal.c (regs_set_between_p): Remove.
10741         * rtl.h: Remove the corresponding prototype.
10743 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
10745         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
10746         to rs6000_nonimmediate_operand.
10747         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
10748         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
10749         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
10750         rs6000_nonimmediate_operand.
10751         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
10752         rs6000_nonimmediate_operand.
10754 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
10756         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
10758 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
10760         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
10761         on e500v2.
10762         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
10763         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
10765         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
10766         (rs6k_nonimmediate_operand): New.
10767         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
10768         correctly.
10769         (legitimate_lo_sum_address_p): Same.
10770         (rs6000_legitimize_address): Same.
10771         (rs6000_legitimize_reload_address): Same.
10772         (rs6000_legitimate_address): Same.
10773         (spe_build_register_parallel): Pass DF and DC modes in a DI
10774         register.
10776         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
10777         to rs6k_nonimmediate_operand.
10779         * config/rs6000/spe.md ("*frob_df_di"): New.
10780         ("*frob_di_df"): New.
10781         ("*frob_di_df_2"): New.
10782         ("*mov_sidf_e500_subreg0"): New.
10783         ("*mov_sidf_e500_subreg4"): New.
10784         ("*movdf_e500_double"): Change predicate to
10785         rs6k_nonimmediate_operand.
10787 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
10789         * postreload.c (move2add_note_store): Only call
10790         trunc_int_for_mode on scalar integers.
10792 2005-01-14  Steven Bosscher  <stevenb@suse.de>
10794         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
10795         replace BB_VISITED uses.
10796         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
10797         (propagate_necessity): Check the bitmap instead of BB_VISITED.
10798         (tree_dce_done): Free visited_control_parents.
10799         (perform_tree_ssa_dce): Allocate and clear it.
10800         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
10801         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
10802         instead of BB_VISITED.
10804 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
10806         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
10807         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
10808         Remove unused prototypes.
10810 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
10812         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
10813         64-bit register usage.
10814         (spe_func_has_64bit_regs_p): Add FIXME note.
10816 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
10818         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
10819         flag_finite_math_only with flag_unsafe_math_optimizations.
10821 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
10823         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
10824         end-of-stack check.
10825         (__tpf_eh_return): Copy TPF private stack area from the module
10826         boundary stack frame.  Add check for when module addresses are
10827         equal, but no stub address is found.
10829 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
10831         PR target/7525
10832         * arm.h (struct machine_function): Add call_via field.
10833         (thumb_call_via_label): Declare.
10834         * arm.c (thumb_call_via_label): New variable.
10835         (thumb_call_reg_needed): New variable.
10836         (arm_output_function_epilogue): For Thumb code, output any per-function
10837         call-indirect trampolines.
10838         (thumb_call_via_reg): New function.
10839         (arm_file_end): New function.
10840         (TARGET_ASM_FILE_END): Call arm_file_end.
10841         (aof_file_end): Likewise.
10842         * arm-protos.h (thumb_call_via_reg): Declare.
10843         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
10844         thumb_call_via_reg in normal case.
10846 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
10848         PR middle-end/19084
10849         PR rtl-optimization/19348
10850         * recog.c (peephole2_optimize): Do global life update if some peephole
10851         decides it doesn't need at least one of its inputs and that change
10852         influences liveness at the start of the basic block.
10854         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
10855         arguments instead of 1.
10857 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
10859         PR middle-end/18820
10860         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
10861         zero for nested functions needing a static chain or functions
10862         with a non-constant address.
10864 2005-01-13  Roger Sayle  <roger@eyesopen.com>
10866         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
10867         (and (sign_extend X) C) into (zero_extend (and X C)).
10869 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
10871         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
10873 2005-01-13  Richard Henderson  <rth@redhat.com>
10875         PR target/19009
10876         PR target/19250
10877         PR target/19252
10878         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
10879         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
10880         not just TARGET_SSE.
10881         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
10882         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
10883         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
10884         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
10885         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
10886         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
10887         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
10888         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
10889         (movdicc_c_rex64): Rename with '*'.
10890         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
10891         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
10892         (movsfcc_1_387): Rename from movsfcc_1.
10893         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
10894         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
10895         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
10896         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
10897         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
10898         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
10899         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
10900         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
10901         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
10902         sse_movdfcc_const0_4): Remove.
10903         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
10904         recognize min/max early.  Update for changed sse cmove patterns.
10905         (ix86_split_sse_movcc): New.
10906         * config/i386/i386-protos.h: Update.
10908 2005-01-13  Steven Bosscher  <stevenb@suse.de>
10910         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
10911         (fix_stmt_v_may_defs): Likewise.
10913 2005-01-13  Richard Henderson  <rth@redhat.com>
10915         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
10916         for converting the mask.
10918 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
10920         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
10921         definition to 600.
10923 2005-01-13  Richard Henderson  <rth@redhat.com>
10925         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
10926         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
10927         IX86_BUILTIN_MOVDQ2Q): Remove.
10928         (IX86_BUILTIN_VEC_EXT_V4SI): New.
10929         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
10930         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
10931         shuffling.
10932         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
10933         (sse2_pextrw): Fix immediate constraint.
10934         (sse2_loadq, sse2_loadq_rex64): Remove.
10935         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
10936         Use __builtin_ia32_vec_ext_<size>.
10937         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
10939 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
10941         * function.c (assign_parm_setup_block): Look inside original
10942         entry_parm when inspecting PARALLEL.
10944 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
10945             Joel Sherrill  <joel@oarcorp.com>
10947         PR target/19399
10948         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
10949         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
10950         rtems_gxx_recursive_mutex_init.
10951         (__gthread_recursive_mutex_lock): New function.
10952         (__gthread_recursive_mutex_trylock): Likewise.
10953         (__gthread_recursive_mutex_unlock): Likewise.
10955 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
10957         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
10959 2005-01-13  Jan Beulich  <jbeulich@novell.com>
10961         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
10962         (ashrti3_internal): Indicate output is early clobber. Generate result
10963         into output rather than first input. Use move for low word of output
10964         if shift count is exactly 64.
10965         (lshrti3_internal): Likewise.
10967 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
10969         PR target/18329
10970         PR target/18330
10971         * reload1.c (delete_output_reload): Don't delete an output reload
10972         if the pseudo lives longer than a single basic block.  Adjust and
10973         improve wording of comment.
10975 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
10977         PR target/19334
10978         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
10979         of TYPE_SIZE where we mean the number of bytes.
10981 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
10983         * function.c (assign_parm_setup_block): Relax condition on
10984         multi-register optimization.
10986 2005-01-12  Nick Clifton  <nickc@redhat.com>
10988         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
10989         an "in_delay_slot" attribute of "no" to prevent them being used in
10990         delay slots.  This is forbidden because they might generate
10991         exceptions.
10993 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
10995         PR target/19389
10996         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
10997         with r->Y and Y->r.
10999 2005-01-12  Nick Clifton  <nickc@redhat.com>
11001         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
11002         passed on to GAS) but do not define, as GAS no longer supports or
11003         needs the -m2000 option.
11005 2005-01-11  Roger Sayle  <roger@eyesopen.com>
11007         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
11008         type as args of unprototyped builtins aren't automatically promoted.
11009         (fold_builtin_abs): Likewise.
11011 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11013         * Makefile.in: Set a `build-warn' variable.
11015 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
11017         PR tree-optimization/17949
11018         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
11019         (find_interesting_uses_address): Use it.
11021 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
11023         * regrename.c (kill_value): Handle subreg's that won't simplify.
11025 2005-01-11  Richard Henderson  <rth@redhat.com>
11027         PR target/13366
11028         * config/i386/i386.h (enum ix86_builtins): Move ...
11029         * config/i386/i386.c: ... here.
11030         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
11031         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
11032         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
11033         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
11034         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
11035         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
11036         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
11037         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
11038         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
11039         IX86_BUILTIN_LOADDDUP): Remove.
11040         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
11041         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
11042         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
11043         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
11044         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
11045         (ix86_init_builtins): Make static.
11046         (ix86_init_mmx_sse_builtins): Update for changed builtins.
11047         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
11048         if all the modes match.  Otherwise, fake it.
11049         (get_element_number, ix86_expand_vec_init_builtin,
11050         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
11051         (ix86_expand_builtin): Make static.  Update for changed builtins.
11052         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
11053         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
11054         (ix86_expand_vector_init_duplicate): New.
11055         (ix86_expand_vector_init_low_nonzero): New.
11056         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
11057         Split out from ix86_expand_vector_init; handle integer modes.
11058         (ix86_expand_vector_init): Use them.
11059         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
11060         * config/i386/i386-protos.h: Update.
11061         * config/i386/predicates.md (reg_or_0_operand): New.
11062         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
11063         (movv2sf_internal): Likewise.  And a splitter to match them all.
11064         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
11065         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
11066         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
11067         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
11068         (mmx_pinsrw): Fix operand ordering.
11069         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
11070         rather than sse_loadss expander.
11071         (movv2df splitter): Similarly.
11072         (sse_loadss, sse_loadlss): Remove.
11073         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
11074         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
11075         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
11076         (sse3_movddup): Rename with '*'.
11077         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
11078         (sse2_loadsd): Remove.
11079         (vec_dupv2df_sse3): Rename from sse3_loadddup.
11080         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
11081         (sse2_pinsrw): Fix argument ordering.
11082         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
11083         (sse2_stored): Remove 'r' destination.
11084         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
11085         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
11086         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
11087         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
11088         vec_extractv16qi, vec_initv16qi): New.
11090         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
11091         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
11092         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
11093         constructor form.
11094         (_mm_load_pd, _mm_store_pd): Use plain dereference.
11095         (_mm_load_si128, _mm_store_si128): Likewise.
11096         (_mm_load1_pd): Use _mm_set1_pd.
11097         (_mm_load_sd): Use _mm_set_sd.
11098         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
11099         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
11100         (_mm_set_epi64): Use _mm_set_epi64x.
11101         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
11102         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
11103         _mm_setr_epi8): Use _mm_set_foo form.
11104         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
11105         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
11106         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
11107         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
11108         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
11109         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
11110         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
11111         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
11112         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
11113         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
11114         (_mm_movedup_pd): Use _mm_shuffle_pd.
11115         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
11116         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
11117         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
11118         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
11119         Use _mm_setzero_ps.
11120         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
11121         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
11122         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
11123         (_mm_store_ps): Use raw dereference.
11124         (_mm_store1_ps): Use _mm_storeu_ps.
11125         (_mm_storer_ps): Use _mm_store_ps.
11126         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
11127         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
11129 2005-01-11  Stan Shebs  <shebs@apple.com>
11131         * config/rs6000/rs6000.c (machopic_output_stub): Issue
11132         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
11134 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
11136         PR target/18761
11137         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
11138         Skip all DECLs except for FIELD_DECLs.
11140 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
11142         * config/s390/s390.c (override_options): Return error if
11143         -mbackchain, -mpacked-stack and -mhard-float are used together.
11144         (s390_va_start): Remove the backchain && packed-stack special case.
11145         (s390_gimplify_va_arg): Likewise.
11146         * doc/invoke.texi: Remove the ABI incompatibility note.
11148 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
11150         * config/s390/s390.c (struct s390_frame_layout): Remove
11151         save_backchain_p.
11152         (s390_frame_info, s390_emit_prologue): Replace occurrences of
11153         save_backchain_p with TARGET_BACKCHAIN.
11155 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
11157         PR target/18916
11158         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
11159         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
11160         * function.c (locate_and_pad_parm): Set new field.
11161         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
11162         Tweak where_pad test to include "none".  Always set mem align for
11163         stack_parm.
11164         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
11165         not sufficient for type.
11166         (assign_parm_setup_block): If stack_parm is zero on entry, always
11167         make a new stack local.  Block move old stack parm if necessary
11168         to new aligned stack local.
11169         (assign_parm_setup_stack): Use a block move to handle
11170         potentially misaligned entry_parm.
11171         (assign_parms_unsplit_complex): Specify required alignment when
11172         creating stack local.
11173         * calls.c (compute_argument_addresses): Override alignment of stack
11174         arg calculated from its type with the alignment given by
11175         FUNCTION_ARG_BOUNDARY.
11176         (store_one_arg): Likewise.
11178 2005-01-11  Jan Beulich  <jbeulich@novell.com>
11180         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
11181         Change respective itanium_class attribute to ialu.
11182         (shladdp4_internal): New.
11183         * config/ia64/predicates.md (shladd_log2_operand): New.
11185 2005-01-11  Richard Henderson  <rth@redhat.com>
11187         * expr.c (store_constructor): Use rtvec_alloc instead of
11188         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
11190 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
11192         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
11194 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
11196         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
11197         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
11198         (TARGET_RWRELOC): Define.
11199         (ia64_rwreloc_section_type_flags): Delete.
11200         (ia64_section_type_flags): New function.
11201         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
11202         (TARGET_RWRELOC): Define.
11204 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
11206         PR target/18987
11207         * config/ia64/ia64.c (process_set): For alloc insn, only call
11208         process_epilogue is !frame_pointer_needed.
11210 2005-01-10  Roger Sayle  <roger@eyesopen.com>
11212         PR c++/19355
11213         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
11214         unary operator and can't be treated as a binary/comparison operator.
11216 2005-01-10  Richard Henderson  <rth@redhat.com>
11218         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
11219         (ix86_return_in_memory): Likewise.
11220         (function_arg_advance):  Likewise.  Mirror structure in function_arg
11221         for choosing register to advance.
11223 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
11225         * tree-vectorizer.c, tree.def: Fix comment typos.
11227 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
11229         * config/s390/s390.c (struct processor_costs): 4 new fields:
11230         ddbr, ddr, debr, der.
11231         (s390_rtx_costs): More precise handling of divide instructions.
11233 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
11235         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
11237 2005-01-10  Jan Beulich  <jbeulich@novell.com>
11239         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
11240         names resulting from -ffunction-sections/-fdata-sections and linkonce
11241         ones.
11242         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
11243         based on the section name. Rearrange the section name comparison logic
11244         slightly so that each section name is compared against at most once.
11246 2005-01-10  Ben Elliston  <bje@au.ibm.com>
11248         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
11249         targets for which -fPIC reduces limitations on the GOT size.
11251 2005-01-09  Falk Hueffner  <falk@debian.org>
11253         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
11254         X/C1 cmpop C2.
11256 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
11258         PR target/18720
11259         * collect2.c (main): Set aixrtl_flag for -brtl option.
11260         (resolve_lib_name): Search for .so file extension before .a
11261         if aixrtl_flag set.
11263 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
11265         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
11266         (vect_analyze_data_refs_alignment): Add dump prints.
11268 2005-01-09  Ira Rosen  <irar@il.ibm.com>
11270         * tree-vectorizer.c (vect_analyze_offset_expr): Use
11271         expr_invariant_in_loop_p.
11272         Initialize outputs first thing in the function.
11273         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
11274         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
11275         (vect_analyze_pointer_ref_access): Check that the initial condition of
11276         the access function is loop invariant.
11278 2005-01-09  Richard Henderson  <rth@redhat.com>
11280         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
11281         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
11282         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
11283         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
11284         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
11285         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
11286         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
11287         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
11288         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
11289         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
11290         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
11291         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
11292         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
11293         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
11294         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
11295         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
11296         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
11297         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
11298         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
11299         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
11300         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
11301         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
11302         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
11303         mmx_ prefix.
11304         (mmx_clrdi, pavgusb): Remove.
11305         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
11306         with leading sse_ prefix.
11307         * config/i386/sse.md: Receive them.
11308         * config/i386/mmx.md: New file.
11309         (MMXMODE12, MMXMODE24, mmxvecsize): New.
11310         (subrv2sf3): Turn into expander for normal subtraction.
11311         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
11312         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
11313         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
11314         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
11315         commutative; use ix86_binary_operator_ok.
11316         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
11317         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
11318         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
11319         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
11320         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
11321         Macroize from existing patterns; use ix86_binary_operator_ok.
11322         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
11323         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
11324         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
11325         with vec_select+vec_concat.
11326         (mmx_pshufw, mmx_pshufw_1): Likewise.
11327         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
11328         (mmx_uavgv4hi3): Model correctly.
11329         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
11330         _mm_xor_si64): Remove casts.
11332 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
11334         PR tree-optimization/19224
11335         * tree-scalar-evolution.c (get_instantiated_value,
11336         set_instantiated_value): New functions.
11337         (instantiate_parameters_1): Cache the results.
11338         (instantiate_parameters, resolve_mixers): Initialize and free
11339         the cache.
11341 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
11343         * config/i386/i386.md (addhi_4): Correct reference in comment.
11344         (addqi_4): Same.
11346 2005-01-08  Richard Henderson  <rth@redhat.com>
11348         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
11349         (_mm_cvtsi128_si64x): Likewise.
11350         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
11351         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
11352         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
11353         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
11354         * config/i386/i386-protos.h: Update.
11355         * config/i386/i386.c (print_operand): Add 'H'.
11356         (ix86_fixup_binary_operands): Split out from ...
11357         (ix86_expand_binary_operator): ... here.
11358         (ix86_fixup_binary_operands_no_copy): New.
11359         (ix86_expand_fp_absneg_operator): Handle vector mode results.
11360         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
11361         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
11362         (safe_vector_operand): Use CONST0_RTX.
11363         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
11364         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
11365         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
11366         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
11367         special cases.
11368         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
11369         (IX86_BUILTIN_CMPNGESS): New.
11370         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
11371         (attr type): Add sselog1.
11372         (attr unit, attr memory): Handle it.
11373         (movti, movti_internal, movti_rex64): Move near other integer moves.
11374         (movtf, movtf_internal): Move near other fp moves.
11375         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
11376         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
11377         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
11378         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
11379         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
11380         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
11381         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
11382         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
11383         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
11384         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
11385         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
11386         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
11387         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
11388         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
11389         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
11390         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
11391         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
11392         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
11393         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
11394         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
11395         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
11396         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
11397         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
11398         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
11399         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
11400         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
11401         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
11402         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
11403         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
11404         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
11405         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
11406         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
11407         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
11408         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
11409         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
11410         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
11411         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
11412         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
11413         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
11414         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
11415         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
11416         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
11417         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
11418         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
11419         same time.
11420         (SSEPUSH, push<SSEPUSH>): Remove.
11421         (MMXPUSH, push<MMXPUSH>): Remove.
11422         (sse_movaps, sse_movaps_1, sse_movups): Remove.
11423         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
11424         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
11425         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
11426         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
11427         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
11428         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
11429         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
11430         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
11431         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
11432         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
11433         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
11434         (ppro_sse_log_V4SF): Handle sselog1.
11435         * config/i386/predicates.md (const_0_to_1_operand): New.
11436         (const_0_to_255_mul_8_operand): New.
11437         (const_1_to_31_operand): Rename from const_int_1_31_operand.
11438         (const_2_to_3_operand, const_4_to_7_operand): New.
11439         * config/i386/sse.md: New file.
11440         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
11441         (sse_movups): Rename from sse_movups_1.
11442         (sse_loadlss): Rename from sse_loadss_1.
11443         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
11444         from the name.
11445         (negv4sf2): Use ix86_expand_fp_absneg_operator.
11446         (absv4sf2, negv2df, absv2df): New.
11447         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
11448         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
11449         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
11450         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
11451         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
11452         (sse3_addsubv4sf3): Model correctly.
11453         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
11454         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
11455         (sse_movhlps): Model with vec_select+vec_concat.
11456         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
11457         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
11458         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
11459         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
11460         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
11461         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
11462         sse2_pshufhw_1): Likewise.
11463         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
11464         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
11465         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
11466         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
11467         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
11468         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
11469         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
11470         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
11471         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
11472         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
11473         sminv8hi3): Mark commutative
11474         operands.  Use ix86_binary_operator_ok.
11475         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
11476         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
11477         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
11478         sse2_punpcklqdq): Allow operand2 in memory.
11479         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
11480         sse2_movsd): Add memory alternatives.
11481         (sse_storelps): Turn expander into an insn; split after reload.
11482         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
11483         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
11485 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
11487         * configure.ac (DWARF-2 debug_line): Use objdump.
11488         * configure: Regenerate.
11490 2005-01-08  Jeff Law  <law@redhat.com>
11491             Diego Novillo  <dnovillo@redhat.com>
11493         PR tree-optimization/18241
11494         * tree-nrv.c (tree_nrv): Ignore volatile return values.
11495         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
11496         statements with volatile operands.
11497         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
11498         operands after marking a statement with has_volatile_ops.
11500 2005-01-08  Roger Sayle  <roger@eyesopen.com>
11502         * tree.c (int_fits_type_p): Always honor integer constant
11503         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
11505 2005-01-08  Roger Sayle  <roger@eyesopen.com>
11507         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
11508         the latent bug in rtl_delete_block has been resolved.
11510 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
11512         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
11513         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
11515 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
11517         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
11518         library as @multilib_dir@/$(SHLIB_SONAME).
11520 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
11522         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
11523         * configure: Regenerate.
11525 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
11527         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
11528         TYPE_MODE.
11530 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
11532         PR target/13674
11533         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
11534         Convert non-word aligned offset address using ld/std into
11535         indirect address.
11537 2005-01-07  Richard Henderson  <rth@redhat.com>
11539         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
11541 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
11543         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
11545 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
11547         PR tree-optimization/19283
11548         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
11549         is not shorter than the original type.
11551         PR rtl-optimization/19012
11552         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
11554         PR rtl-optimization/18861
11555         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
11556         (FULL_STATE): Define.
11557         (mark_tablejump_edge): New function.
11558         (purge_dead_tablejump_edges): New function.
11559         (find_bb_boundaries): Use it.
11561         PR tree-optimization/18828
11562         * builtins.c (expand_builtin_next_arg): Remove argument and all
11563         the argument checking.
11564         (expand_builtin): Adjust caller.
11565         (expand_builtin_va_start): Likewise.  Remove error for too many
11566         arguments.
11567         (fold_builtin_next_arg): Issue error for too many arguments.
11568         After checking arguments, replace them with magic arguments that
11569         prevent further checking of the args.
11571 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11573         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
11575 2005-01-06  Roger Sayle  <roger@eyesopen.com>
11577         PR target/6077
11578         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
11579         and %{.S:...} (and their negative variants) to test whether the
11580         input file is assembler or pre-processed-assembler independent of
11581         the actual filename extension.
11583 2005-01-06  Roger Sayle  <roger@eyesopen.com>
11585         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
11586         of sign or zero extended values.
11588 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
11590         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
11591         for IBM long double format correctly.
11593 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
11595         Fix PR tree-optimization/18792
11597         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
11598         to first_loop_depth, and use loop depth instead of loop number.
11599         (build_classic_dir_vector): Ditto.
11600         (compute_data_dependences_for_loop): Use depth, not loop number.
11601         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
11602         number. Pass in loops, instead of loop numbers.
11603         (gather_interchange_stats): Ditto.
11604         (linear_transform_loops): Ditto.
11606 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
11608         PR rtl-opt/13299
11609         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
11610         biv_fits_mode_p, extension_within_bounds_p): New functions.
11611         (check_ext_dependent_givs): Use them.
11613 2005-01-06  Roger Sayle  <roger@eyesopen.com>
11615         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
11616         more than one barrier, in which case we should delete them all.
11618 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
11620         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
11622 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
11624         Fix PR middle-end/19286
11625         Fix PR debug/19267
11626         * dwarf2out.c (gen_subprogram_die): If we've already tried to
11627         output this subprogram, simply ignore this attempt to do it again.
11628         (add_abstract_origin_attribute): Don't abort trying to add the abstract
11629         origin attribute if it's not possible.
11630         (gen_block_die): Don't ignore subblocks of "unused" blocks.
11631         (decls_for_scope): Ditto.
11632         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
11633         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
11635 2005-01-05  Richard Henderson  <rth@redhat.com>
11637         PR target/11327
11638         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
11639         (bdesc_2arg): Use it.
11640         (ix86_expand_binop_builtin): Force operands into registers
11641         when optimizing.
11642         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
11643         ix86_expand_sse_compare, ix86_expand_sse_comi,
11644         ix86_expand_builtin): Likewise.
11646 2005-01-05  Richard Henderson  <rth@redhat.com>
11648         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
11649         and VEC_SELECT.
11650         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
11651         (mulv4hi3): Set itanium_class mmmul.
11652         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
11653         (fpack): Rename from fpack_sfsf.
11655 2005-01-05  Richard Henderson  <rth@redhat.com>
11657         PR rtl-opt/10692
11658         * reload1.c (do_input_reload): Restrict the optimization deleteing
11659         a previous output reload to RELOAD_FOR_INPUT.
11661 2005-01-05  Steven Bosscher  <stevenb@suse.de>
11663         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
11664         comment that we fall through after case.
11665         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
11666         (distribute_links): Likewise.
11667         * cse.c (cse_insn): Likewise.
11668         * cselib.c (cselib_invalidate_mem): Likewise.
11669         * df.c: Update comments at the top of the file.
11670         (read_modify_subreg_p): Update comments here too.
11671         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
11672         * flow.c (mark_set_1): Likewise.
11673         (mark_used_regs): Likewise.
11674         * gcse.c (mems_conflict_for_gcse_p): Likewise.
11675         (canon_list_insert): Likewise.
11676         (mark_set): Likewise.
11677         (try_replace_reg): Likewise.
11678         (store_killed_in_insn): Likewise.
11679         * loop.c (count_one_set): Likewise.
11680         (basic_induction_var): Likewise.
11681         * postreload-gcse.c (find_mem_conflicts): Likewise.
11682         * postreload.c (reload_combine_note_store): Likewise.
11683         (move2add_note_store): Likewise.
11684         * reload.c (find_equiv_reg): Likewise.
11685         (mark_referenced_resources): Likewise.
11686         * rtlanal.c (set_noop_p): Likewise.
11687         (note_stores): Likewise.
11688         (note_uses): Likewise.
11689         * sched-deps.c (sched_analyze_1): Likewise.
11690         * sched-rgn.c (check_live_1): Likewise.
11691         (update_live_1): Likewise.
11692         * config/i860/i860.c: Likewise.
11694         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
11695         an lvalue.
11696         (ZERO_EXTRACT): Mention that this one can be an lvalue.
11698         * doc/rtl.texi: Update documentation for bit-fields and SET.
11700 2005-01-05  Roger Sayle  <roger@eyesopen.com>
11702         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
11704 2005-01-05  Jan Hubicka  <jh@suse.cz>
11705             Richard Henderson  <rth@redhat.com>
11707         PR target/18910
11708         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
11709         with an offset.
11711 2005-01-05  Richard Henderson  <rth@redhat.com>
11713         PR target/12902
11714         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
11715         (sse_shufps): Change operand 3 to const_int_operand.
11716         (sse2_storelps): Fix typo in template.
11717         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
11718         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
11719         (ix86_expand_builtin): Likewise.
11721 2005-01-05  Julian Brown  <julian@codesourcery.com>
11723         * config/arm/arm.c (arm_return_in_memory): Treat complex types
11724         as aggregates for AAPCS ABIs.
11726 2005-01-05  Stan Shebs  <shebs@apple.com>
11728         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
11729         Mach-O getters if ppc64.
11730         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
11731         size argument.
11732         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
11733         signed four-byte field for global code case.
11734         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
11736 2005-01-05  Roger Sayle  <roger@eyesopen.com>
11738         PR middle-end/19100
11739         * c-common.c: Include real.h.
11740         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
11741         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
11742         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
11743         * Makefile.in (c-common.o): Update dependencies.
11745 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
11747         * c-parse.in (asm_string): Add trailing semicolon.
11749 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
11751         * c-parse.in (asm_string): New.  Don't allow wide strings in
11752         'asm'.
11753         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
11754         asm_string instead of STRING.
11756 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
11758         * c-typeck.c (constructor_no_implicit): Remove.
11759         (set_designator, process_init_element): Don't check
11760         constructor_no_implicit.
11762 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
11763             Kaz Kojima  <kkojima@gcc.gnu.org>
11765         PR target/16482
11766         * lcm.c (create_pre_exit): New.
11767         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
11768         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
11770 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
11772         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
11773         -msoft-float in target_float_switch.
11774         * arm.c (arm_override_options): Fix processing of target_float_switch.
11776 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
11778         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
11779         preferencing.
11781 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
11783         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
11784         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
11786 2005-01-04  Roger Sayle  <roger@eyesopen.com>
11788         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
11789         if deleting the then-block allows the test-block to fallthru to the
11790         else-block.
11792 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
11794         PR c/19152
11795         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
11796         after the full declaration if the are in two different TUs.
11798 2005-01-04  Richard Henderson  <rth@redhat.com>
11800         PR tree-opt/19158
11801         * tree-sra.c (generate_one_element_init): Just
11802         call gimplify_and_add.
11803         (generate_element_init): Record the
11804         new referenced variables and mark them for renaming
11805         and split out to ...
11806         (generate_element_init_1): This.
11807         (scalarize_init): Don't call push_gimplify_context/
11808         pop_gimplify_context.
11810 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
11812         * toplev.c (get_src_pwd): Handle failure of getpwd().
11814 2005-01-04  Roger Sayle  <roger@eyesopen.com>
11816         * fold-const.c (fold_single_bit_test): Delete unreachable handling
11817         of TRUTH_NOT_EXPR.
11818         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
11819         all the cases handled by it are inverted by invert_truthvalue.
11821 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
11823         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
11824         (save_register_windowsi): Likewise.
11826 2005-01-04  Richard Henderson  <rth@redhat.com>
11828         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
11830 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
11832         PR middle-end/17767
11833         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
11834         any simplifications of vector mode comparison operators.
11835         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
11837 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
11838             Devang Patel  <dpatel@apple.com>
11840         PR tree-optimization/18308
11841         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
11842         the operands before creating a new expression.
11843         * dojump.c (do_jump): Make drop_through_label available
11844         for all cases.  Add expansion of COND_EXPR.
11846 2005-01-04  Ira Rosen  <irar@il.ibm.com>
11848         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
11849         INTEGER_CST instead of TREE_CONSTANT.
11850         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
11851         instead of TREE_CONSTANT.
11852         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
11853         instead of TREE_CONSTANT.
11855 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
11857         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
11859 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
11861         PR target/19240
11862         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
11863         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
11865 2005-01-03  Richard Henderson  <rth@redhat.com>
11867         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
11868         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
11869         fold_convert_const_real_from_real): Split out from ...
11870         (fold_convert_const): ... here.
11872 2005-01-03  Richard Henderson  <rth@redhat.com>
11874         PR target/19235
11875         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
11876         (mov<MMXMODEI>_internal): Likewise.
11877         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
11878         Add V2SF case; use it for SSE1; don't use TI.
11879         (movdf_integer): Likewise.
11880         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
11882 2005-01-03  Ira Rosen  <irar@il.ibm.com>
11884         * tree-vectorizer.c (vect_strip_conversions): New function.
11885         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
11886         check for binary class.
11888 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
11890         Fix PR debug/17924
11891         Fix PR debug/19191
11892         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
11893         is a decl.
11894         * gimple-low.c (mark_blocks_with_used_vars): New function.
11895         (mark_blocks_with_used_subblocks): Ditto.
11896         (mark_used_blocks): Ditto.
11897         (pass_mark_used_blocks): New pass.
11898         * tree-inline.c: Include debug.h.
11899         (expand_call_inline): Call outlining_inline_function here.
11900         * tree-optimize.c (init_tree_optimization_passes): Add
11901         pass_mark_used_blocks.
11902         * tree-pass.h (pass_mark_used_blocks): New.
11903         * Makefile.in (tree-inline.o): Add debug.h dependency.
11905 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
11907         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
11908         VAR_DECLs to have weak_import attribute.
11910         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
11911         'struct ucontext'.
11913 2004-01-03  Steven Bosscher  <stevenb@suse.de>
11915         * passes.c (rest_of_compilation): Don't run regmove if only
11916         flag_expensive_optimizations, require flag_regmove instead.
11918 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
11920         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
11921         register "sparc".
11922         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
11923         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
11924         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
11925         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
11927 2005-01-03  Richard Henderson  <rth@redhat.com>
11929         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
11930         (ia64_const_ok_for_letter_p): New.
11931         (ia64_const_double_ok_for_letter_p): New.
11932         (ia64_extra_constraint): New.
11933         (ia64_expand_vecint_compare): New.
11934         (ia64_expand_vcondu_v2si): New.
11935         (ia64_expand_vecint_cmov): New.
11936         (ia64_expand_vecint_minmax): New.
11937         (ia64_print_operand): Add 'v'.
11938         (ia64_preferred_reload_class): New.
11939         (ia64_vector_mode_supported_p): New.
11940         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
11941         (PREFERRED_RELOAD_CLASS): Move to function.
11942         (CONST_OK_FOR_LETTER_P): Move to function.
11943         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
11944         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
11945         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
11946         (EXTRA_CONSTRAINT): Move to function.
11947         * config/ia64/ia64.md: Include vect.md.
11948         (itanium_class): Add mmalua.
11949         (type): Handle it.
11950         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
11951         (1b_mmalua): New.
11952         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
11953         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
11954         CONST0_RTX.
11955         (const_int_2bit_operand): New.
11956         (fr_reg_or_0_operand): New.
11957         * config/ia64/ia64-modes.def: Add vector modes.
11958         * config/ia64/ia64-protos.h: Update.
11959         * config/ia64/vect.md: New file.
11961 2005-01-03  Richard Henderson  <rth@redhat.com>
11963         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
11965 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
11967         PR target/19236
11968         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
11969         to SFmode.
11970         (log1pdf2): Change mode of operands[0,1] to DFmode.
11972 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
11974         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
11975         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
11976         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
11977         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
11978         SPARC_RELAXED_ORDERING.
11980 2005-01-03  Richard Henderson  <rth@redhat.com>
11981             Uros Bizjak  <uros@kss-loka.si>
11983         PR target/14631
11984         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
11985         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
11986         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
11987         handling.
11988         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
11989         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
11990         const_pow2_1_to_128_operand): New predicates.
11992 2005-01-02  Greg McGary  <greg@mcgary.org>
11994         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
11995         anonymous decls.
11996         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
11997         object.  [ptr_type]: Remove unused variable.
11998         Remember nearest addressable array-element or record-component
11999         when checking bitfield components.  Tolerate empty BIND_EXPR.
12001 2005-01-01  Richard Henderson  <rth@redhat.com>
12003         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
12004         that don't narrow the value.  Fail for other conversions.
12006 2005-01-01  Richard Henderson  <rth@redhat.com>
12008         PR c/19031
12009         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
12010         * c-lang.c (finish_file): Don't do it here.
12011         * objc/objc-act.c (objc_finish_file): Likewise.
12013         * cgraph.c (decl_assembler_name_equal): New.
12014         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
12015         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
12016         * cgraph.h (struct cgraph_varpool_node): Add next.
12017         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
12018         * varasm.c (assemble_alias): Mark the target as needed.
12020 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
12022         PR middle-end/19221
12023         * function.c (get_arg_pointer_save_area): Use entry_of_function
12024         instead of get_insns.
12026 2005-01-01  Roger Sayle  <roger@eyesopen.com>
12027             Andrew Pinski  <pinskia@physics.uc.edu>
12028             James E. Wilson  <wilson@specifixinc.com>
12030         PR rtl-optimization/12092
12031         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
12032         is zero.
12034 2005-01-01  Roger Sayle  <roger@eyesopen.com>
12035             Olivier Hainque  <hainque@act-europe.fr>
12037         * tree.c (int_fits_type_p): A narrower type always fits in a
12038         wider one, except for negative values into unsigned types.
12040 2005-01-01  Roger Sayle  <roger@eyesopen.com>
12042         * tree.c (int_fits_type_p): Compare the result of force_fit_type
12043         with the original constant rather than require TREE_OVERFLOW.
12045 2005-01-01  Steven Bosscher  <stevenb@suse.de>
12047         PR middle-end/17544
12048         * c-decl.c (finish_function): If compiling C99, annotate the
12049         compiler generated return with the current file name and line 0.
12050         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
12051         the source line is greater than 0.
12052         (remove_bb): Likewise.