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2005-05-09 Adrian Straetling <straetling@de.ibm.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
2
3         * config/s390/s390.md: ("DSI", "SCOND"): New mode 
4         macros.
5         ("E", "g"): New mode attributes.
6         ("*adddi3_alc_cc", "*addsi3_alc_cc"): Merge.
7         ("*adddi3_alc", "*addsi3_alc"): Merge.
8         ("*subdi3_slb_cc", "*subsi3_slb_cc"): Merge.
9         ("*subdi3_slb", "*subsi3_slb"): Merge.
10         ("adddicc", "addsicc"): Merge.
11         ("*sconddi", "*scondsi"): Merge.
12         ("*sconddi_neg", "*scondsi_neg"): Merge.
13         ("sltu", "sgtu", "sleu", "sgeu"): Merge.
14         ("negdi2", "negsi2"): Extract expander pattern from
15         "negsi2" and merge with "negdi2".
16         ("*negdi2"): Merge with instruction pattern of "negsi2".
17         ("*negdi2_cc", "*negsi2_cc"): Merge.
18         ("*negdi2_cconly", "*negsi2_cconly"): Merge.
19         ("rotldi3", "rotlsi3"): Merge.
20
21 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
22
23         * config/s390/s390.md: ("hc"): New mode attribute.
24         ("extendhidi2", "extendqidi2"): Merge.
25         ("*extendhidi2", "*extendqidi2"): Merge.
26         ("extendhisi2", "extendqisi2"): Merge.
27         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
28         ("*zero_extendhidi2", "*zero_extendqidi2"): Merge.
29         Merged 2 define_split.
30         ("*zero_extendhisi2", "*zero_extendqisi2"): Merge.
31         ("*zero_extendhisi2_64", "*zero_extendqisi2_64"): Merge.
32
33 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
34
35         * config/s390/s390.md: ("COMPARE"): New mode macro.
36         ("beq", "bne", "bgt", "bgtu", "blt", "bltu", "bge", "bgeu",
37         "ble", "bleu", "bunordered", "bordered", "buneq", "bunlt",
38         "bungt", "bunle", "bunge", "bltgt"): Merge.
39
40 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
41
42         * config/s390/s390.md: ("INT"): New mode macro.
43         ("one_cmpldi2", "one_cmplsi2", "one_cmplhi2", "one_cmplqi2"):
44         Merge.
45
46 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
47
48         * config/s390/s390.md: ("GPR", "P"): New mode macros.
49         ("cmpdi", "cmpsi"): Merge.
50         ("strlendi", "strlensi"): Merge.
51         ("*strlendi", "*strlensi"): Merge.
52         ("movmemdi", "movmemsi"): Merge.
53         ("clrmemdi", "clrmemsi"): Merge.
54
55 2005-05-09  Adrian Straetling  <straetling@de.ibm.com>
56
57         * config/s390/s390.md: ("HQI"): New mode macro.
58         ("icm_lo", "icm_hi", "max_uint"): New mode attributes.
59         ("*tmhi_full", "*tmqi_full"): Merge.
60         ("*tsthiCCT", "*tstqiCCT"): Merge.
61         ("*tsthi", "*tstqi"): Merge.
62         ("*tsthi_cconly", "tstqi_cconly"): Merge.
63         ("*sethighhisi", "*sethighqisi"): Merge.
64          
65 2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
66
67         * crtstuff.c, integrate.h, tree-scalar-evolution.h,
68         config/alpha/unicosmk.h, config/arc/arc.md,
69         config/arm/bpabi.h, config/arm/coff.h, config/arm/elf.h,
70         config/arm/ieee754-df.S, config/arm/ieee754-sf.S,
71         config/arm/netbsd.h, config/arm/pe.c, config/arm/pe.h,
72         config/arm/semi.h, config/arm/uclinux-elf.h,
73         config/arm/wince-pe.h, config/fr30/fr30.c,
74         config/rs6000/altivec.h: Update copyright.
75
76 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
77
78         * config/pdp11/pdp11.c (pdp11_output_function_prologue): Use
79         gcc_assert and gcc_unreachable as appropriate.
80         (pdp11_output_function_epilogue, output_move_double,
81         output_move_quad, print_operand_address, output_jump,
82         output_addr_const_pdp11): Likewise.
83         * config/pdp11/pdp11.h (FUNCTION_PROFILER,
84         ASM_OUTPUT_ALIGN): Likewise.
85         * config/pdp11/pdp11.md: Likewise.
86         (extendhisi2, subhi3, subqi3): Likewise.
87
88 2005-05-09  David Edelsohn  <edelsohn@gnu.org>
89
90         PR middle-end/21237
91         * dojump.c (do_jump, MINUS_EXPR): Build NE_EXPR and fall through
92         to NE_EXPR case.
93
94 2005-05-09  Kazu Hirata  <kazu@cs.umass.edu>
95
96         * config/ia64/ia64.c: Fix a comment typo.
97
98 2005-05-09  Richard Earnshaw  <rearnsha@arm.com>
99
100         PR target/21397
101         * arm.c (ARM_OPT_SET_CPU, ARM_OPT_SET_ARCH, ARM_OPT_SET_TUNE): Define.
102         (arm_override_options): Use them instead of manifest constants.  Don't
103         allow -march to override the -mtune setting.
104
105 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
106
107         * config/iq2000/iq2000.c (abort_with_insn): Use fancy_abort.
108         (gen_int_relational): Use gcc_unreachable and gcc_assert as necessary.
109         (function_arg_advance, function_arg, save_restore_insns,
110         iq2000_expand_prologue, iq2000_output_conditional_branch,
111         expand_one_builtin, print_operand):
112         * config/iq2000/iq2000.md (tablejump): Likewise.
113
114 2005-05-09  David Ung  <davidu@mips.com>
115
116         * config/mips/mips.h (processor_type): Add names for the 24K. 
117         * config/mips/mips.c (mips_cpu_info_table): Add names for the 24K
118         processor family.
119         * config/mips/mips.md (cnv_mode): New attribute for recording the
120         conversion types of float convert insns.
121         (cpu): Add 24k and 24kx.
122         (include): Include 24k.md file.
123         (truncdfsf2, extendsfdf2, fix_truncdfsi2_insn, fix_truncdfsi2_macro)
124         (fix_truncdfdi2, fix_truncsfdi2, floatsidf2, floatdidf2, floatsisf2)
125         (floatdisf2): Setup cnv_mode.
126         (fix_truncsfsi2_insn, fix_truncsfsi2_macro): Changed mode to SF and
127         setup cnv_mode.
128         * config/mips/24k.md: New file, contains 24k DFA pipeline
129         description. 
130
131 2005-05-09  Nathan Sidwell  <nathan@codesourcery.com>
132
133         * config/sh/sh.c (print_operand_address): Use gcc_assert and
134         gcc_unreachable as appropriate.
135         (print_operand, prepare_move_operands, prepare_scc_operands,
136         output_movedouble, output_branch, shift_insns_rtx, gen_shifty_op,
137         gen_shl_and, shl_sext_kind, gen_datalabel_ref, dump_table,
138         fixup_mova, gen_far_branch, sh_reorg, split_branches,
139         final_prescan_insn, output_stack_adjust, sh_expand_epilogue,
140         sh_set_return_address, sh_setup_incoming_varargs,
141         initial_elimination_offset, sh_pch_valid_p, get_free_reg,
142         sh_expand_builtin, sh_output_mi_thunk, extract_sfunc_addr,
143         check_use_sfunc_addr): Likewise.
144         * config/sh/netbsd-elf.h (FUNCTION_PROFILER): Likewise.
145         * config/sh/sh.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise.
146         * config/sh/symbian.c (sh_symbian_mark_dllexport,
147         sh_symbian_mark_dllimport): Likewise.
148         * config/sh/sh.md: Likewise.
149         (movdicc, call_pop, call_value_pop, casesi_worker_1,
150         casesi_worker_2, casesi_shift_media, casesi_load_media,
151         return_media): Likewise.
152
153 2005-05-08  Roger Sayle  <roger@eyesopen.com>
154
155         PR inline-asm/8788
156         * stmt.c (expand_asm_operands): Avoid calling force_reg on BLKmode
157         operands.
158
159 2005-05-08  Richard Henderson  <rth@redhat.com>
160
161         * config/alpha/alpha.c (adjust_address): Fix typo last change.
162
163 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
164
165         * config/m68hc11/m68hc11.h (REG_VALID_P): A regno must be >= 0
166         and -1 can happen in reg_renumber when no hard register is assigned.
167
168 2005-05-08  Steven Bosscher  <stevenb@suse.de>
169             Kazu Hirata  <kazu@cs.umass.edu>
170
171         PR tree-optimization/14841, tree-optimization/15838
172         * tree-ssa-ccp.c (fold_const_aggregate_ref): New.
173         (evaluate_stmt): Call it.
174
175 2005-05-08  Jakub Jelinek  <jakub@redhat.com>
176
177         * config/ia64/ia64.c (ia64_override_options): Don't set
178         ia64_flag_var_tracking and clear flag_var_tracking here...
179         (ia64_file_start): ... but here.
180
181 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
182
183         * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use gcc_assert
184         and gcc_unreachable as appropriate.
185         (expand_prologue, expand_epilogue, m68hc11_gen_lowpart,
186         m68hc11_gen_highpart, print_operand, print_operand_address,
187         m68hc11_expand_compare, m68hc11_expand_compare_and_branch,
188         m68hc11_gen_movhi): Likewise.
189         * config/m68hc11/m68hc11.h (HARD_X_REGNUM): Reword comment.
190         * config/m68hc11/m68hc11.md: Reword comment.
191
192 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
193
194         PR target/21281
195         * config/m68hc11/predicates.md (splitable_operand): An immediate is
196         allowed.
197
198 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
199
200         * config/m68hc11/predicates.md (reg_or_some_mem_operand): Do not allow
201         the 68HC12 address indirect addressing mode as it is not supported by
202         bset and bclr.
203         * config/m68hc11/m68hc11-protos.h
204         (m68hc11_valid_addressing_p): Declare.
205         (m68hc11_add_mode): Declare.
206         * config/m68hc11/m68hc11.c (m68hc11_valid_addressing_p): Rename from
207         register_indirect_p and export it.
208         (m68hc11_z_replacement): Use emit_insn_after when adding the save Z
209         instruction so that it is part of the good BB.
210         (m68hc11_gen_movhi): Fix invalid generation of indexed indirect
211         addressing with movw.
212         (m68hc11_gen_movqi): Use pula and pulb instead of lda and ldb for
213         68HC12.
214         * config/m68hc11/m68hc11.h (ADDR_STRICT, ADDR_INCDEC, ADDR_INDEXED,
215         ADDR_OFFSET, ADDR_INDIRECT, ADDR__CONST): Moved from m68hc11.c.
216         * config/m68hc11/m68hc11.md ("movhi_const0"): Use this pattern only
217         for 68HC11.
218         ("*movhi_68hc12"): Handle movhi_const0.
219         ("*subhi3", "subqi3"): Use general_operand for operand 1.
220         ("*subhi3_zext"): Likewise.
221
222 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
223
224         PR target/19051
225         * config/m68hc11/m68hc11.md ("mulqi3"): Use general_operand for
226         operand 1 and fix constraints.
227         ("mulqihi3"): Use general_operand for operand 2.
228
229 2005-05-08  Julian Brown  <julian@codesourcery.com>
230             H.J. Lu  <hongjiu.lu@intel.com>
231             Paul Brook  <paul@codesourcery.com>
232
233         * configure.ac: Set ld_vers_major, ld_vers_minor and ld_vers_patch for
234         GNU linker. Support linker version x.x.x.x.x. Require GNU linker
235         20050308/2.16.0 or newer for comdat group.
236         * configure: Regenerated.
237         * config.in: Regenerated.
238         * varasm.c (default_function_rodata_section): Put .rodata section in
239         COMDAT group when necessary.
240         (default_elf_asm_named_section): Rename HAVE_GAS_COMDAT_GROUP to
241         HAVE_COMDAT_GROUP.
242         (default_unique_section_1): Don't use .gnu.linkonce when COMDAT is
243         available.
244
245 2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
246
247         * tree-dfa.c (referenced_vars, add_referenced_var): Use VEC
248         instead of VARRAY.
249         * tree-flow.h (num_referenced_var, referenced_var): Likewise.
250         * tree-into-ssa.c (mark_def_site_blocks): Likewise.
251         * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Likewise.
252         * tree-tailcall.c (suitable_for_tail_opt_p): Likewise.
253
254 2005-05-08  Stephane Carrez  <stcarrez@nerim.fr>
255
256         PR target/16925
257         * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Handle split of
258         64-bit constants on 64-bit hosts.
259         (m68hc11_split_logical): Simplify.
260         (m68hc11_split_move): Likewise.
261
262 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
263             Paolo Bonzini  <bonzini@gnu.org>
264
265         * Makefile.in (cs-tconfig.h): Pass USED_FOR_TARGET to mkconfig.sh
266         * aclocal.m4 (GCC_TARGET_TEMPLATE, AH_TEMPLATE): New.
267         * configure.ac (enable_checking): Fix typos in runtime_checking.
268         (ENABLE_RUNTIME_CHECKING): Mark as target template.
269         (xm_file): Prepend auto-host.h
270         (HAVE_GAS_HIDDEN, HAVE_LD_EH_FRAME_HDR): Mark as target template.
271         * mkconfig.sh: Do not automatically define USED_FOR_TARGET in
272         tconfig.h.
273         * crtstuff.c: Do not include auto-host.h.
274         (IN_LIBGCC2): Do not define.
275         * gcov-io.h: Include tconfig.h, not auto-host.h.
276         * libgcc2.c: Do not include auto-host.h.
277         (abort): Do not undefine.
278         * libgcov.c: Remove unneeded comment about config.h.
279         * unwind-dw2-fde-glibc.c: Do not inlude auto-host.h.
280         * config.in, configure: Regenerated.
281         
282 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
283             Falk Hueffner  <falk@debian.org>
284
285         * config/alpha/alpha.c (tls_symbolic_operand_1): Use gcc_assert
286         and gcc_unreachable as appropriate.
287         (get_aligned_mem, get_unaligned_address,
288         alpha_emit_set_long_const, alpha_emit_conditional_branch,
289         alpha_emit_setcc, alpha_emit_conditional_move,
290         alpha_lookup_xfloating_lib_func, alpha_compute_xfloating_mode_arg,
291         alpha_emit_xfloating_libcall, alpha_split_tfmode_pair,
292         alpha_expand_unaligned_load, alpha_expand_block_move,
293         alpha_expand_zap_mask, get_trap_mode_suffix,
294         get_round_mode_suffix, get_some_local_dynamic_name,
295         print_operand_address, function_arg, alpha_return_in_memory,
296         function_value, alpha_expand_builtin,
297         alpha_initial_elimination_offset, alpha_expand_epilogue,
298         summarize_insn, alpha_handle_trap_shadows, alphaev5_insn_pipe,
299         alphaev5_next_group, alpha_align_insns,
300         unicosmk_initial_elimination_offset, unicosmk_unique_section,
301         unicosmk_ssib_name): Likewise.
302         * config/alpha/alpha.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
303         * config/alpha/unicosmk.h (TRAMPOLINE_TEMPLATE,
304         ASM_OUTPUT_ADDR_DIFF_ELT, ASM_OUTPUT_ADDR_DIFF_VEC): Likewise.
305         * config/alpha/vms.h (INITIAL_ELIMINATION_OFFSET,
306         ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
307         * config/alpha/alpha.md (*divmodsi_internal_er,
308         *divmoddi_internal_er, ashldi3, *insxl, sibcall, call_osf,
309         call_nt, call_umk, call_vms, call_value, sibcall_value,
310         call_value_osf, call_value_nt, call_value_vms, call_value_umk,
311         *call_vms_1, *movmemdi_1, *clrmemdi_1, *call_value_vms_1): Likewise.
312         * config/alpha/predicates.md (input_operand): Likewise.
313
314 2005-05-08  Nathan Sidwell  <nathan@codesourcery.com>
315
316         * config/frv/frv.c (frv_default_flags_for_cpu): Use gcc_assert and
317         gcc_unreachable, as appropriate.
318         (frv_function_prologue, frv_alloc_temp_reg,
319         frv_initial_elimination_offset, frv_expand_block_move,
320         frv_expand_block_clear, frv_print_operand_jump_hint,
321         frv_legitimize_tls_address, unspec_got_name, frv_emit_move,
322         frv_emit_movsi, frv_split_cond_move, frv_split_minmax,
323         frv_ifcvt_modify_insn, frv_ifcvt_modify_final,
324         frv_adjust_field_align, frv_insn_unit, frv_cond_flags,
325         frv_sort_insn_group, frv_reorder_packet, frv_matching_accg_mode,
326         frv_in_small_data_p, frv_asm_out_constructor,
327         frv_asm_out_destructor, frv_output_dwarf_dtprel): Likewise.
328         * config/frv/frv.md (reload_incc_fp, *cond_exec_si_binary1,
329         *cond_exec_si_binary2, *cond_exec_si_divide, *cond_exec_si_unary1,
330         *cond_exec_sf_conv, *cond_exec_sf_add, call, sibcall, call_value,
331         sibcall_value, casesi): Likewise.
332
333         * config/mn10300/mn10300.c (print_operand): Use gcc_assert and
334         gcc_unreachable as appropriate.
335         (print_operand_address, mn10300_print_reg_list, expand_prologue,
336         expand_epilogue, notice_update_cc, initial_offset,
337         mn10300_address_cost_1): Likewise.
338         * config/mn10300/mn10300.md: Likewise.
339         (absdf2, abssf2, negdf2, negsf2): Likewise.
340
341 2005-05-08  Richard Sandiford  <rsandifo@redhat.com>
342
343         PR target/21416
344         * config/mips/mips.c (mips_emit_compare): Don't reverse UNGE and UNGT
345         comparisons.
346         * config/mips/mips.md (swapped_fcond): New code macro and attribute.
347         (sgt_<mode>, sge_<mode>): Generalize to all members of swapped_fcond,
348         including sunge_<mode> and sungt_<mode>.
349
350 2005-05-08  Richard Sandiford  <rsandifo@redhat.com>
351
352         * integrate.h (get_hard_reg_initial_val): Change type of register
353         parameter from int to unsigned int.
354         (has_hard_reg_initial_val): Likewise.
355         * integrate.c (get_hard_reg_initial_val): Likewise.
356         (has_hard_reg_initial_val): Likewise.  Remove cast to unsigned int.
357
358 2005-05-08  Kazu Hirata  <kazu@cs.umass.edu>
359
360         * except.c (eh_status): Change the type of ttype_data to
361         VEC(tree,gc)*.
362         (add_ttypes_entry, assign_filter_values,
363         output_function_exception_table): Use VEC instead of VARRAY.
364
365 2005-05-07  David Edelsohn  <edelsohn@gnu.org>
366
367         * config/rs6000/rs6000.md (popcount<mode>2): Fix non-C90 constant.
368
369 2005-05-07  Paul Brook  <paul@codesourcery.com>
370
371         * Makefile.in: Fix dependencies.
372         (GCOV_IO_H, VARRAY_H): Set.
373
374 2005-05-07  Anthony Green  <green@redhat.com>
375
376         PR bootstrap/21403
377         * configure.ac (STMP_FIXPROTO): Fix [ ] consumption problem in
378         x$STMP_FIXPROTO test.
379         * configure: Rebuilt.
380
381 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
382
383         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Do not define
384         inappropriate feature test macros if flag_iso.
385
386 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
387
388         * config/ia64/hpux.h (NO_IMPLICIT_EXTERN_C): Define.
389
390 2005-05-07  Hans-Peter Nilsson  <hp@axis.com>
391
392         PR target/21441
393         * config/cris/cris.md ("*movdi_insn", "*mov_sidesisf_biap")
394         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
395         Handle moved operand being in special register.
396         ("smulsi3_highpart", "umulsi3_highpart"): Change .error into
397         presumed working insn.
398         (mover2side): Add FIXME.
399
400 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
401
402         * integrate.c (get_func_hard_reg_initial_val): Delete.
403         (has_func_hard_reg_initial_val): Delete.
404         (get_hard_reg_initial_val): Inline the old implementation of
405         get_func_hard_reg_initial_val.  Use has_hard_reg_initial_val
406         instead of has_func_hard_reg_initial_val to test for an existing
407         pseudo.  Only create an rtx if a new initial value entry is needed.
408         (has_hard_reg_initial_val): Scan the initial value list directly.
409         Don't create an rtx.
410
411 2005-05-07  David Edelsohn  <edelsohn@gnu.org>
412
413         * config.gcc ({powerpc,rs6000}-ibm-aix*): Remove rs6000/aix.opt
414         from extra_options.
415         * config.in (HAVE_AS_POPCNTB): New.
416         * configure.ac (HAVE_AS_MFCRF): Add .machine "pwr5" to AIX test.
417         (HAVE_AS_POPCNTB): New.
418         * configure: Regenerated.
419         * config/rs6000/aix.h (TARGET_XL_COMPAT): Delete.
420         * config/rs6000/rs6000.c (rs6000_override_options, power5): Add
421         MASK_POPCNTB.  Uncomment rs6000_sched_restricted_insns_priority
422         and rs6000_sched_costly_dep.
423         * config/rs6000/rs6000.h (TARGET_POPCNTB): New.
424         (TARGET_XL_COMPAT): Delete.
425         * config/rs6000/rs6000.md (UNSPEC_POPCNTB): New.
426         (popcount<mode>2): New.
427         (popcntb<mode>2): New.
428         * config/rs6000/rs6000.opt (mpopcntb): New.
429
430         * opt-functions.awk (var_set): Emit OPTION_MASK_ for InverseMask
431         if variable name exists.
432
433 2005-05-07  Matt Kraai  <kraai@ftbfs.org>
434
435         * Makefile.in (c-gimplify.o): Depend on $(RTL_H) instead of rtl.h.
436
437 2005-05-07  Richard Henderson  <rth@redhat.com>
438
439         PR target/21412
440         * config/rs6000/rs6000.c (rs6000_emit_move): Look for tls addresses
441         with constant offsets.
442
443 2005-05-07  Nathan Sidwell  <nathan@codesourcery.com>
444
445         * config/v850/v850.c (print_operand): Use gcc_assert and
446         gcc_unreachable, as appropriate.
447         (print_operand_address, v850_handle_data_area_attribute,
448         v850_encode_data_area, construct_restore_jr, construct_save_jarl,
449         v850_insert_attributes, construct_prepare_instruction): Likewise.
450         * config/v850/v850.h (INITIAL_ELIMINATION_OFFSET): Likewise.
451         * config/v850/v850.md (movsicc, *sasf_1): Likewise.
452
453 2005-05-07  Kazu Hirata  <kazu@cs.umass.edu>
454
455         * tree-ssa-loop-ivcanon.c, config/i386/i386.c,
456         config/rs6000/rs6000.h: Fix comment typos.
457
458 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
459
460         * doc/invoke.texi: Remove documentation for MIPS' -mint64 option.
461         * config/mips/mips.c (TARGET_SCALAR_MODE_SUPPORTED_P): Delete.
462         (mips_scalar_mode_supported_p): Delete.
463
464 2005-05-06  Eric Christopher  <echristo@redhat.com>
465
466         * config/mips/mips.opt: Remove -mint64 option.
467         * config/mips/mips.c (override_options): Remove -mint64
468         handling.
469         * config/mips/mips.h (INT_TYPE_SIZE): Define to 32.
470         * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Remove
471         64-bit integer handling.
472         * doc/invoke.texi (Option Summary): Remove -mint64 for
473         mips.
474
475 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
476
477         PR tree-optimization/19401
478         * tree-flow.h (tree_unroll_loops_completely): Declaration changed.
479         * tree-ssa-loop-ivcanon.c (enum unroll_level): New.
480         (estimated_unrolled_size): New function.
481         (try_unroll_loop_completely, canonicalize_loop_induction_variables,
482         tree_unroll_loops_completely): Always unroll loops if the code size
483         does not increase.
484         * tree-ssa-loop.c (tree_complete_unroll): Indicate whether all
485         loops should be unrolled completely.
486         (gate_tree_complete_unroll): Run complete unrolling unconditionally.
487
488 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
489
490         PR rtl-optimization/21254
491         * loop-iv.c (iv_number_of_iterations): Simplify infiniteness
492         assumptions for loops that otherwise do not roll.
493         (find_simple_exit): Prefer # of iterations that is guaranteed
494         not to be infinite.
495         * loop-unroll.c (decide_peel_once_rolling,
496         decide_peel_completely): Check whether the loop is infinite.
497
498 2005-05-06  Pat Haugen  <pthaugen@us.ibm.com>
499
500         * config/rs6000/sysv4.opt: Fix typo.
501
502 2005-05-06  Denis Vlasenko  <vda@port.imtp.ilyichevsk.odessa.ua>
503             Jakub Jelinek  <jakub@redhat.com>
504
505         PR target/21329
506         * config/i386/i386.c (ix86_expand_movmem): Don't use rep; movsb
507         for -Os if (movsl;)*(movsw;)?(movsb;)? sequence is shorter.
508         Don't use rep; movs{l,q} if the repetition count is really small,
509         instead use a sequence of movs{l,q} instructions.
510
511 2005-05-06  Jeff Law  <law@redhat.com>
512
513         PR tree-optimization/21380
514         * tree-ssa-threadupdate.c (thread_through_all_blocks): Do not
515         thread through a block with no preds.
516
517 2005-05-06  Kazu Hirata  <kazu@cs.umass.edu>
518
519         * tree-ssa-operands.c (clobbered_v_may_defs, clobbered_vuses,
520         ro_call_vuse, fini_ssa_operands, add_call_clobber_ops,
521         add_call_read_ops): Use VEC instead of VARRAY.
522
523 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
524
525         * config/mcore/mcore.c (mcore_print_operand_address): Use
526         gcc_assert and gcc_unreachable as appropriate.
527         (mcore_print_operand, mcore_gen_compare_reg, mcore_output_call,
528         mcore_output_andn, output_inline_const, mcore_output_move,
529         mcore_output_movedouble, mcore_expand_block_move,
530         layout_mcore_frame, mcore_initial_elimination_offset,
531         mcore_expand_prolog, mcore_mark_dllexport,
532         mcore_mark_dllimport): Likewise.
533         * config/mcore/mcore.h (switch_to_section): Likewise.
534         * config/mcore/mcore.md: Likewise.
535
536 2005-05-06  Aldy Hernandez  <aldyh@redhat.com>
537
538         * config/rs6000/linux64.h: Remove MASK_PROFILE_KERNEL, and
539         TARGET_PROFILE_KERNEL.
540
541         * config/rs6000/rs6000.c (output_profile_hook): Add comment to
542         TARGET_PROFILE_KERNEL use.
543
544 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
545
546         * config/m32r/m32r.c (m32r_encode_section_info): Use gcc_assert
547         and gcc_unreachable, as appropriate.
548         (gen_compare, gen_split_move_double, m32r_setup_incoming_varargs,
549         m32r_expand_prologue, m32r_output_function_epilogue,
550         m32r_legitimize_pic_address, m32r_print_operand_address,
551         emit_cond_move, m32r_function_symbol,
552         m32r_output_block_move): Likewise.
553         * config/m32r/m32r.h (INITIAL_ELIMINATION_OFFSET): Likewise.
554         * config/m32r/m32r.md ( *movsi_insn, *zero_branch_insn,
555         *rev_zero_branch_insn): Likewise.
556         
557 2005-05-06  Jakub Jelinek  <jakub@redhat.com>
558
559         PR c++/20961
560         * varasm.c (merge_weak): Remove NEWDECL from WEAK_DECLS chain
561         if both NEWDECL and OLDDECL are already weak.
562
563 2005-05-06  Richard Sandiford  <rsandifo@redhat.com>
564
565         * config/rs6000/sysv4.h (EXTRA_SUBTARGET_SWITCHES): Delete.
566
567 2005-05-05  J"orn Rennecke  <joern.rennecke@st.com>
568             Kaz Kojima  <kkojima@gcc.gnu.org>
569
570         * config/sh/sh.c (sh_builtin_saveregs): Use copy_to_mode_reg
571         and plus_constant.
572
573 2005-05-05  Aldy Hernandez  <aldyh@redhat.com>
574             David Edelsohn  <edelsohn@gnu.org>
575
576         * config.gcc: Add .opt magic for the rs6000 ports.
577
578         * doc/invoke.texi: Document -mabi= option properly.  Document
579         -misel and -mno-sel.  Document -mspe and -mno-spe.  Document
580         -mvrsave and -mno-vrsave.  Document deprecation of -mspe= and
581         -misel=.
582
583         * config/rs6000/aix.h: Remove XL_COMPAT stuff.  Remove
584         SUBTARGET_SWITCHES and SUBSUBTARGET_SWITCHES.  Define
585         TARGET_XL_COMPAT.
586
587         * config/rs6000/aix.opt: New.
588         * config/rs6000/aix41.opt: New.
589         * config/rs6000/aix64.opt: New.
590         * config/rs6000/darwin.opt: New.
591         * config/rs6000/linux64.opt: New.
592         * config/rs6000/rs6000.opt: New.
593         * config/rs6000/sysv4.opt: New.
594
595         * config/rs6000/sysv4.h: Delete definitions of MASK_* and
596         associated TARGET_*.  Remove SUBTARGET_OPTIONS,
597         SUBTARGET_SWITCHES.
598         Define TARGET_USES_SYSV4_OPT.
599         * config/rs6000/aix41.h: Remove SUBSUBTARGET_SWITCHES.
600         * config/rs6000/aix43.h: Remove SUBSUBTARGET_SWITCHES.  Define
601         TARGET_USES_AIX64_OPT.
602         * config/rs6000/aix51.h: Same.
603         * config/rs6000/aix52.h: Same.
604         * config/rs6000/darwin.h: Remove SUBTARGET_SWITCHES,
605         MASK_MACHO_DYNAMIC_NO_PIC, TARGET_MACHO_DYNAMIC_NO_PIC.
606         Use TARGET_ALTIVEC_VRSAVE instead of rs6000_altivec_vrsave.
607         Define TARGET_DYNAMIC_NO_PIC as TARGET_MACHO_DYNAMIC_NO_PIC.
608         * config/rs6000/linux64.h: Use
609         rs6000_explicit_options.  Remove EXTRA_SUBTARGET_SWITCHES.
610
611         * config/rs6000/rs6000.c: Remove definitions of
612         rs6000_sched_restricted_insns_priority,
613         rs6000_long_double_size_string, rs6000_altivec_vrsave,
614         rs6000_altivec_vrsave_string, rs6000_isel, rs6000_spe,
615         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
616         rs6000_abi_string, rs6000_warn_altivec_long, rs6000_longcall,
617         rs6000_alignment_string.  Define rs6000_explicit_options.
618         (rs6000_parse_abi_options): Remove.
619         (rs6000_parse_alignment_option): Remove.
620         (rs6000_parse_float_gprs_option): Remove.
621         (rs6000_handle_option): New.  Define TARGET_HANDLE_OPTION.  Define
622         TARGET_DEFAULT_TARGET_FLAGS.
623         (rs6000_override_options): Revamp to use new .opt machinery.
624
625         * config/rs6000/rs6000.h: Remove old MASK_* and TARGET_* in favor
626         of new .opt machinery.  Remove target_flags.  Redefine
627         TARGET_MFCRF and TARGET_POWERPC64.  Remove TARGET_SWITCHES,
628         SUBTARGET_SWITCHES, TARGET_OPTIONS, SUBTARGET_OPTIONS,
629         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
630         rs6000_altivec_vrsave_string, rs6000_altivec_vrsave,
631         rs6000_longcall_switch, rs6000_default_long_calls,
632         rs6000_sched_costly_dep_str, rs6000_sched_costly_dep,
633         rs6000_warn_altivec_long, rs6000_warn_altivec_long_switch, and
634         TARGET_ALTIVEC_VRSAVE.
635
636 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
637
638         * config.gcc (hppa1.1-*-rtems*): Remove.
639         * config/pa/rtems.h: Remove.
640
641 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
642
643         * config/rs6000/t-rtems (MULTILIB_NEW_EXCEPTIONS_ONLY):
644         Exclude roe/603e multilib variants.
645
646 2005-05-04  Denis Chertykov  <denisc@overta.ru>
647
648         PR target/21284
649         * config/avr/avr.c (avr_output_addr_vec_elt): Use special section
650         for output.
651
652 2005-05-05  Richard Sandiford  <rsandifo@redhat.com>
653
654         * config.gcc (arm*-wince-pe*, arm-*-pe*, strongarm-*-pe): Add
655         arm/pe.opt to $extra_options.
656         * config/arm/arm.h (target_flags, target_fpu_name, target_fpe_name)
657         (target_float_abi_name, target_float_switch, target_abi_name)
658         (ARM_FLAG_APCS_FRAME, ARM_FLAG_POKE, ARM_FLAG_FPE, ARM_FLAG_APCS_STACK)
659         (ARM_FLAG_APCS_FLOAT, ARM_FLAG_APCS_REENT, ARM_FLAG_BIG_END)
660         (ARM_FLAG_INTERWORK, ARM_FLAG_LITTLE_WORDS, ARM_FLAG_NO_SCHED_PRO)
661         (ARM_FLAG_ABORT_NORETURN, ARM_FLAG_SINGLE_PIC_BASE)
662         (ARM_FLAG_LONG_CALLS, ARM_FLAG_THUMB, THUMB_FLAG_BACKTRACE)
663         (THUMB_FLAG_LEAF_BACKTRACE, THUMB_FLAG_CALLEE_SUPER_INTERWORKING)
664         (THUMB_FLAG_CALLER_SUPER_INTERWORKING, CIRRUS_FIX_INVALID_INSNS)
665         (TARGET_APCS_FRAME, TARGET_POKE_FUNCTION_NAME, TARGET_FPE)
666         (TARGET_APCS_STACK, TARGET_APCS_FLOAT, TARGET_APCS_REENT)
667         (TARGET_BIG_END, TARGET_INTERWORK, TARGET_LITTLE_WORDS)
668         (TARGET_NO_SCHED_PRO, TARGET_ABORT_NORETURN, TARGET_SINGLE_PIC_BASE)
669         (TARGET_LONG_CALLS, TARGET_THUMB, TARGET_CALLER_INTERWORKING)
670         (TARGET_CIRRUS_FIX_INVALID_INSNS, SUBTARGET_SWITCHES, TARGET_SWITCHES)
671         (TARGET_OPTIONS, arm_cpu_select, arm_select,  structure_size_string)
672         (arm_pic_register_string): Delete.
673         (TARGET_BACKTRACE): Redefine using TARGET_TPCS_LEAF_FRAME and
674         TARGET_TPCS_FRAME.
675         (TARGET_DEFAULT, CONDITIONAL_REGISTER_USAGE): Update mask names.
676         * config/arm/coff.h (TARGET_DEFAULT): Likewise.
677         * config/arm/elf.h (TARGET_DEFAULT): Likewise.
678         * config/arm/netbsd-elf.h (TARGET_DEFAULT): Likewise.
679         * config/arm/netbsd.h (TARGET_DEFAULT): Likewise.
680         * config/arm/semi.h (TARGET_DEFAULT): Likewise.
681         * config/arm/uclinux-elf.h (TARGET_DEFAULT): Likewise.
682         * config/arm/wince-pe.h (TARGET_DEFAULT): Likewise.
683         * config/arm/pe.h (TARGET_DEFAULT): Likewise.
684         (TARGET_FLAG_NOP_FUN, TARGET_NOP_FUN_DLLIMPORT): Delete.
685         (SUBTARGET_SWITCHES): Delete.
686         * config/arm/arm.c (target_float_switch): Delete.
687         (arm_cpu_select): Moved from config/arm/arm.h.
688         (target_fpu_name, target_fpe_name, target_float_abi_name)
689         (target_abi_name, structure_size_string, arm_pic_register_string)
690         (arm_select): Make static.
691         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
692         (arm_handle_option): New function.
693         (arm_override_options): Update target_flags checks for new mask names.
694         Remove target_float_switch code.
695         (arm_expand_prologue, thumb_expand_prologue): Check
696         !TARGET_SCHED_PROLOG instead of TARGET_NO_SCHED_PRO.
697         * config/arm/arm.opt, config/arm/pe.opt: New files.
698
699 2005-05-05  Nathan Sidwell  <nathan@codesourcery.com>
700
701         * config/arc/arc.c (get_arc_condition_code): Use gcc_assert &
702         gcc_unreachable as appropriate.
703         (arc_double_limm_p, arc_setup_incoming_varargs,
704         arc_compute_function_type, arc_output_function_prologue,
705         arc_output_function_epilogue, arc_eligible_for_epilogue_delay,
706         output_shift, arc_print_operand, arc_print_operand_address,
707         arc_final_prescan_insn): Likewise.
708         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
709
710 2005-05-04  Geoffrey Keating  <geoffk@apple.com>
711
712         * config/rs6000/rs6000.md (P): Use TARGET_*BIT rather than
713         comparing Pmode.
714         (SDI): New.
715         (cmp): Delete.
716         (wd): New.
717         (add<mode>3, add<mode>3_internal1, add<mode>3_internal2,
718         add<mode>3_internal3, one_cmpl<mode>2, sub<mode>3, neg<mode>2,
719         clz<mode>2, ctz<mode>2, ffs<mode>2): New.
720         (addsi3, addsi3_internal1, addsi3_internal2, addsi3_internal3,
721         (one_cmplsi2, subsi3, negsi2, clzsi2, ctzsi2, ffssi2): Remove.
722         (adddi3, adddi3_internal1, adddi3_internal2, adddi3_internal3,
723         (one_cmpldi2, subdi3, negdi2, clzdi2, ctzdi2, ffsdi2): Remove.
724         (sync_compare_and_swap<mode>): Use <wd> rather than <cmp>.
725
726 2005-05-05  Paul Brook  <paul@codesourcery.com>
727
728         * Makefile.in: Replace dependencies on basic-block.h, c-pragma.h,
729         cfgloop.h, diagnostic.h, insn-attr.h, langhooks-def.h, params.h,
730         regs.h, system.h, tree-dump.h, tree-gimple.h, tree-scalar-evolution.h
731         and tree-data-ref.h with *_H variables.
732
733 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
734
735         * config/m32r/xm-m32r.h, config/m32r/xm-linux.h: Delete files.
736
737 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
738
739         * system.h: Poison BYTEORDER and HOST_WORDS_BIG_ENDIAN.
740
741 2005-05-04  Gerald Pfeifer  <gerald@pfeifer.com>
742
743         * doc/contrib.texi (Contributors): Add Mostafa Hagog and Ayal Zaks.
744
745 2005-05-04 Fariborz Jahanian <fjahanian@apple.com>
746
747         * config/rs6000/rs6000.c (rs6000_emit_prologue): Emit
748         setting of vrsave register for current function after
749         call to save_world is emitted.
750
751 2005-05-05  Hans-Peter Nilsson  <hp@bitrange.com>
752
753         * config/mmix/predicates.md: New file.
754         * config/mmix/mmix.c (mmix_symbolic_or_address_operand)
755         (mmix_reg_or_constant_operand, mmix_reg_cc_operand)
756         (mmix_foldable_comparison_operator, mmix_comparison_operator)
757         (mmix_reg_or_0_operand, mmix_reg_or_8bit_operand): Remove.
758         * config/mmix/mmix.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
759         Don't define.
760         * config/mmix/mmix.md: Include predicates.md.
761         ("call", "call_value"): Force address to register if it isn't a
762         mmix_symbolic_or_address_operand.
763
764 2005-05-04  Andrew MacLeod  <amacleod@redhat.com>
765
766         * tree-flow-inline.h (op_iter_init_use, op_iter_init_def): Assert that
767         the flags are of appropriate types.
768         (num_ssa_operands): Generalize using the generic interface.
769         * tree-ssa-dce.c (remove_dead_stmt): Don't ask for kills on a DEF
770         iterator.
771
772 2005-05-04  Richard Sandiford  <rsandifo@redhat.com>
773
774         * protoize.c (version_flag, quiet_flag, nochange_flag, nosave_flag)
775         (keep_flag, local_flag, global_flag, cplusplus_flag): Make extern.
776
777 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
778
779         * tree-outof-ssa.c (edge_leader, stmt_list,
780         analyze_edges_for_bb): Use VEC instead of VARRAY.
781         (init_analayze_edges_for_bb, fini_analayze_edges_for_bb): New.
782         (perform_edge_inserts): Call init_analayze_edges_for_bb and
783         fini_analayze_edges_for_bb.
784
785 2005-05-04  James E Wilson  <wilson@specifixinc.com>
786
787         PR driver/21112
788         * gcc.c (process_command): In the second argv scan loop, ignore
789         Xassembler and Xpreprocessor, along with their argument.
790
791 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
792
793         * tree-flow-inline.h, tree-ssa-operands.c,
794         tree-ssa-operands.h, tree-ssa-opfinalize.h:
795         Likewise. tree-vn.c: Fix comment typos.
796         * doc/passes.texi, doc/tree-ssa.texi: Fix typos.
797
798 2005-05-04  Paolo Bonzini  <bonzini@gnu.org>
799
800         * doc/tm.texi (Target Hooks): Document
801         TARGET_RESOLVE_OVERLOADED_BUILTIN.
802
803 2005-05-04  Paul Brook  <paul@codesourcery.com>
804
805         * Makefile.in: Change dependencies on target.h to $(TARGET_H).
806
807 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
808
809         * dwarf2out.c (incomplete_types, retry_incomplete_types,
810         gen_struct_or_union_type_die, dwarf2out_init): Use VEC instead
811         of VARRAY.
812
813         * loop-unroll.c (var_to_expand, analyze_insn_to_expand_var,
814         get_expansion, expand_var_during_unrolling,
815         insert_var_expansion_initialization,
816         combine_var_copies_in_loop_exit, release_var_copies): Use VEC
817         instead of VARRAY.
818
819         * tree-ssa-loop-ivopts.c (rewrite_address_base): Don't call
820         update_stmt.
821
822 2004-05-03  Andrew Pinski  <pinskia@physics.uc.edu>
823
824         PR middle-end/15618
825         * fold-const.c (fold_widened_comparison): Treat BOOLEAN_TYPE
826         the same as INTEGER_TYPE.
827         (fold_binary): Fold "bool_var != 0" to bool_var.
828         Fold "bool_var == 1" to bool_var.
829
830 2004-05-03  Richard Henderson  <rth@redhat.com>
831
832         PR middle-end/21318
833         * function.c (instantiate_virtual_regs_in_insn): Use the mode
834         from recog_data instead of insn_data.
835
836 2005-05-03  DJ Delorie  <dj@redhat.com>
837
838         * common.opt (fdiagnostics-show-option): No variable is needed.
839         * diagnostic.h (diagnostic_context): Add show_option_requested flag.
840         * diagnostic.c (diagnostic_initialize): Initialize show_option_requested.
841         (diagnostic_report_diagnostic): Test for enabled diagnostics here.
842         Save and restore original message format.  Use flag in context
843         instead of global.
844         (warning): Don't test for enabled warnings here.
845         * opts.c (common_handle_option): Handle -fdiagnostics-show-option
846         here.
847
848 2005-05-04  Kelley Cook  <kcook@gcc.gnu.org>
849
850         * config/m32r/xm-m32r.h: Don't define HOST_WORDS_BIG_ENDIAN.
851         * config/m32r/xm-linux.h: Don't undefine HOST_WORDS_BIG_ENDIAN.
852         * mips-tfile.c: Use WORDS_BIG_ENDIAN instead of HOST_WORDS_BIG_ENDIAN.
853         * aclocal.m4: Don't include accross.m4.
854         * configure.ac: Use AC_C_BIGENDIAN instead of AC_C_BIGENDIAN_CROSS.
855         Use AC_CHECK_SIZEOF instead of AC_COMPILE_CHECK_SIZEOF.
856         * configure, config.in: Regenerate.
857         
858 2005-05-04  Jakub Jelinek  <jakub@redhat.com>
859
860         PR middle-end/21265
861         * expr.h (enum block_op_methods): Add BLOCK_OP_TAILCALL.
862         (clear_storage): Add argument.
863         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall):
864         Add tailcall argument, set CALL_EXPR_TAILCALL of the CALL_EXPR to
865         tailcall.
866         (emit_block_move): Handle BLOCK_OP_TAILCALL method.
867         (clear_storage): Add method argument, handle BLOCK_OP_TAILCALL.
868         (store_expr, store_constructor): Adjust callers.
869         * builtins.c (expand_builtin_memcpy): Pass BLOCK_OP_TAILCALL
870         to emit_block_move if CALL_EXPR_TAILCALL (exp).
871         (expand_builtin_memmove): Add ORIG_EXP argument, copy
872         CALL_EXPR_TAILCALL from ORIG_EXP to the new CALL_EXPR.
873         (expand_builtin_bcopy): Replace ARGLIST and TYPE arguments
874         with EXP.  Pass EXP to expand_builtin_memmove.
875         (expand_builtin_memset): Add ORIG_EXP argument, pass
876         BLOCK_OP_TAILCALL to clear_storage if CALL_EXPR_TAILCALL (orig_exp).
877         (expand_builtin_bzero): Replace ARGLIST argument with EXP.
878         Pass EXP to expand_builtin_memset.
879         (expand_builtin_strcmp): Copy CALL_EXPR_TAILCALL from EXP to
880         the new CALL_EXPR.
881         (expand_builtin_strncmp): Likewise.
882         (expand_builtin_printf): Replace ARGLIST argument with EXP.
883         Copy CALL_EXPR_TAILCALL from EXP to the new CALL_EXPR.
884         (expand_builtin_fprintf): Likewise.
885         (expand_builtin): Adjust calls to
886         expand_builtin_{memmove,bcopy,memset,bzero,{,f}printf}.
887
888         * config/i386/i386.c (ix86_expand_vector_set): Fix setting 3rd and 4th
889         item in V4SF mode.
890
891         PR rtl-optimization/21239
892         * combine.c (combine_simplify_rtx) <case VEC_SELECT>: Fix a typo.
893
894 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
895
896         * tree-flow.h (tree_ann_common_d): Move aux to ...
897         (stmt_ann_d): ... here.
898         * tree-ssa-loop-im.c (LIM_DATA, determine_invariantness_stmt,
899         move_computations_stmt, schedule_sm): Update references to
900         aux.
901         * tree-vectorizer.h (set_stmt_info, vinfo_for_stmt): Likewise.
902
903         * tree-cfg.c (remove_bb): Remove a redundant call to
904         set_bb_for_stmt.
905         * tree-if-conv.c (replace_phi_with_cond_modify_expr):
906         Likewise.
907
908 2005-05-03  Richard Henderson  <rth@redhat.com>
909
910         * config/rs6000/rs6000.c: Remove conflict markers.
911
912         * cfg.c (dump_flow_info): Use max_reg_num, not max_regno.
913
914 2005-05-03  James E Wilson  <wilson@specifixinc.com>
915
916         * dwarf2out.c (lookup_filename): Call maybe_emit_file.
917
918 2005-05-03  DJ Delorie  <dj@redhat.com>
919
920         * c-decl.c (store_parm_decls_oldstyle): Let diagnostic machinery
921         decide if the warning will be printed.
922         * calls.c (expand_call): Likewise.
923         * function.c (init-function_start): Likewise.
924
925         * common.opt (-fdiagnostics-show-option): New.
926         * opts.c (option_enabled): Accept the option index instead of a
927         pointer to the option descriptor.
928         * opts.h (option_enabled): Likewise.
929         * toplev.c (print_switch_values): Pass option index, not option
930         descriptor.
931         * diagnostic.h (diagnostic_info): Add option_index.
932         * diagnostic.c: Include opts.h.
933         (diagnostic_set_info): Initialize option_index.
934         (diagnostic_report_diagnostic): Amend option name if appropriate.
935         (warning): Check to see if the specified warning is enabled.
936         Store option index.
937         * doc/invoke.texi (-fdiagnostics-show-options): Document.
938
939 2005-05-03  Richard Henderson  <rth@redhat.com>
940
941         * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Fix ALL_REGS and
942         SPEC_OR_GEN_REGS definitions.
943
944 2005-05-03  Alexandre Oliva  <aoliva@redhat.com>
945
946         PR target/16888
947         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Clear reg names
948         for unavailable registers.
949
950 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
951
952         * tree-cfg.c (tree_forwarder_block_p): Fix a typo.
953
954         * cfglayout.c (block_locators_blocks,
955         insn_locators_initialize, insn_scope): Use VEC instead of
956         VARRAY.
957
958         * tree-mudflap.c (deferred_static_decls, mudflap_enqueue_decl,
959         mudflap_finish_file, mudflap_finish_file): Use VEC instead of
960         VARRAY.
961
962 2005-05-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
963
964         * config/sparc/predicates.md (const_compl_high_operand): New.
965         * config/sparc/sparc.c (sparc_emit_set_safe_HIGH64): Rename into
966         gen_safe_HIGH64.
967         (sparc_emit_set_const64_quick1): Adjust for above change.
968         (sparc_emit_set_const64_quick2): Likewise.
969         (sparc_emit_set_const64_longway): Likewise.
970         (sparc_emit_set_const64): Likewise.
971         * config/sparc/sparc.md (movhi_const64_special, movsi_const64_special,
972         movdi_const64_special): Delete.
973         (logical constant splitters): Use const_compl_high_operand.
974
975 2005-05-03  Richard Guenther  <rguenth@gcc.gnu.org>
976
977         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Use STRIP_TYPE_NOPS
978         rather than STRIP_NOPS.
979
980 2005-05-03  Jakub Jelinek  <jakub@redhat.com>
981
982         PR rtl-optimization/21330
983         * loop-unswitch.c (may_unswitch_on): Set *cinsn only when
984         returning non-NULL.
985         (unswitch_single_loop): Clear cinsn when retrying.
986
987         PR target/21297
988         * config/i386/i386.c (legitimize_address): When canonicalizing
989         ASHIFT into MULT, multiply by 1 << shift_count instead of
990         1 << log2 (shift_count).
991
992 2005-05-03  Andrew MacLeod  <amacleod@redhat.com>
993
994         * lambda-code.c (gcc_loop_to_lambda_loop, 
995         lambda_loopnest_to_gcc_loopnest, phi_loop_edge_uses_def,
996         stmt_is_bumper_for_loop, perfect_nest_p, replace_uses_of_x_with_y): Use
997         generic operand interface.
998         * tree-data-ref.c (find_data_references_in_loop): Use generic interface.
999         * tree-dfa.c (collect_dfa_stats_r, mark_new_vars_to_rename): Use
1000         generic operand interface.
1001         * tree-flow-inline.h (delink_imm_use, link_imm_use_to_list, 
1002         link_imm_use, link_imm_use_stmt, relink_imm_use, relink_imm_use_stmt,
1003         next_safe_imm_use, has_zero_uses, has_single_use, single_imm_use,
1004         num_imm_uses): Use ssa_use_operand_t.
1005         (get_def_ops, get_use_ops, get_v_may_def_ops, get_vuse_ops,
1006         get_v_must_def_ops): Delete.
1007         (get_def_from_ptr, get_phi_result_ptr): Get def directly now.
1008         (get_use_op_ptr, get_def_op_ptr, get_v_may_def_result_ptr,
1009         get_v_may_def_op_ptr, get_vuse_op_ptr, get_v_must_def_result_ptr,
1010         get_v_must_def_kill_ptr): Delete.
1011         (delink_stmt_imm_use): Move and use new operand interface.
1012         (op_iter_next_use, op_iter_next_def, op_iter_next_tree, op_iter_init,
1013         op_iter_next_tree): Use new operand implementation.
1014         (clear_and_done_ssa_iter): New.  Initialize a blank operand iterator.
1015         (op_iter_init_use, op_iter_init_def, op_iter_init_tree): Add iterator 
1016         type check.
1017         (op_iter_next_mustdef, op_iter_next_maydef, 
1018         op_iter_next_must_and_may_def): Delete. Replace with...
1019         (op_iter_next_maymustdef): New.  Combine must and may next operations.
1020         (op_iter_init_maydef, op_iter_init_mustdef, 
1021         op_iter_init_must_and_may_def): Use new interface.
1022         (single_ssa_tree_operand ): New.  Process single operands only as trees.
1023         (single_ssa_use_operand): New.  Process single operands only as uses.
1024         (single_ssa_def_operand): New.  Process single operands only as defs.
1025         (zero_ssa_operands): New.  Return TRUE if there are zero operands of the
1026         specified types.
1027         (num_ssa_operands): New.  Count the number of specified operands.
1028         (compare_ssa_operands_equal): New.  Compare two statements' operands.
1029         (single_phi_def): New.  Return true if PHI has one def of the specified
1030         operand type.
1031         (op_iter_init_phiuse): New.  Initialize the iterator for PHI arguments.
1032         (op_iter_init_phidef): New.  Initialize the iterator for the PHI def.
1033         * tree-flow.h (struct immediate_use_iterator_d): Use ssa_use_operand_t.
1034         (struct stmt_ann_d): Operands field no longer require GTY().
1035         (vn_compute, vn_lookup_or_add, vn_add, vn_lookup): Change prototype.
1036         * tree-into-ssa.c (mark_def_sites): Use SSA_OP_VMUSTKILL.
1037         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb, 
1038         dump_replaceable_exprs, rewrite_trees): Use generic interface.
1039         * tree-phinodes.c (make_phi_node, release_phi_node, resize_phi_node): 
1040         Use use_operand_p instead of ssa_imm_use_t *.
1041         * tree-pretty-print.c (dump_vops): check if operands are active before
1042         dumping virtual operands.
1043         * tree-sra.c (sra_walk_function): Use ZERO_SSA_OPERANDS.
1044         * tree-ssa-ccp.c (likely_value): Use ZERO_SSA_OPERANDS.
1045         (ccp_fold): Use new interface.
1046         (ccp_visit_stmt): Remove unused variables and code.
1047         (convert_to_gimple_builtin): Insert statements before calling 
1048         mark_new_vars_to_rename.
1049         * tree-ssa-copy.c (stmt_may_generate_copy): Use ZERO_SSA_OPERANDS.
1050         (copy_prop_visit_cond_stmt): Use generic interface.
1051         * tree-ssa-dom.c (struct expr_hash_elt): Use stmt pointer, not the 
1052         annotation in table.
1053         (thread_across_edge): Use generic interface.
1054         (initialize_hash_element): Initialzie with stmt, not annotation.
1055         (eliminate_redundant_computations): Use generic interface.
1056         (record_equivalences_from_stmt): Pass stmt, not annotation.
1057         (avail_expr_hash, real_avail_expr_hash, avail_expr_eq): Use generic
1058         interface.
1059         * tree-ssa-dse.c (dse_optimize_stmt): Use ZERO_SSA_OPERANDS.
1060         * tree-ssa-loop-ivopts.c (find_invariants_stmt, 
1061         find_interesting_uses_stmt, protect_loop_closed_ssa_form_use): Use 
1062         generic operand interface.
1063         * tree-ssa-loop-niter.c (chain_of_csts_start, get_val_for): Use generic
1064         interface.
1065         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Use Generic operand
1066         Interface.
1067         * tree-ssa-operands.c (struct opbuild_list_d): New.  Operand build type.
1068         (build_defs, build_uses, build_v_may_defs, build_vuses, 
1069         build_v_must_defs): Change type to struct opbuild_list_d.
1070         (ops_active): New.  Operands active boolean.
1071         (operand_memory, operand_memory_index): New.  Operand memory managers.
1072         (allocate_def_optype, allocate_use_optype, allocate_v_may_def_optype,
1073         allocate_vuse_optype, allocate_v_must_def_optype): Delete.
1074         (free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs): 
1075         Change from functions to static variable list heads.
1076         (opbuild_initialize_virtual): New.  Initialize a virtual build list.
1077         (opbuild_initialize_real): New.  Initialize a virtual build list.
1078         (opbuild_free): New.  Free a build list.
1079         (opbuild_num_elems): New.  Number of items in a list.
1080         (opbuild_append_real): New.  Add a real (tree *) operand.
1081         (opbuild_append_virtual): New.  Add and sort a virtual (tree) operand.
1082         (opbuild_first): New.  Return first element index in a list.
1083         (opbuild_next): New.  Return next element in a list.
1084         (opbuild_elem_real): New.  Return real element.
1085         (opbuild_elem_virtual): New.  Return virtual element.
1086         (opbuild_elem_uid): New.  Return UID of virtual element.
1087         (opbuild_clear): New.  Reset an operand list.
1088         (opbuild_remove_elem): New.  Remove an element form a list.
1089         (ssa_operands_active): New.  Return true if operand cache is active.
1090         (init_ssa_operands, fini_ssa_operands): Initialize new implementation.
1091         (ssa_operand_alloc): New.  Allocate memory from an operand chunk.
1092         (correct_use_link): Use use_operand_p.
1093         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_defs,
1094         finalize_ssa_vuses, finalize_ssa_v_must_defs): New implmentation. 
1095         (cleanup_v_may_defs): Use new implmentation.
1096         (finalize_ssa_stmt_operands, start_ssa_stmt_operands): New 
1097         implementation.
1098         (append_def, append_use, append_v_may_def, append_vuse, 
1099         append_v_must_def): Call opbuild_append routine instead of using varray.
1100         (build_ssa_operands): Simplify to simply use stmt, don't maintain a 
1101         global parse_old_ops variable.
1102         (free_ssa_operands): New implementation.
1103         (update_stmt_operands): Move.  Change argument to build_ssa_operands.
1104         (copy_virtual_operands): Move. New generic implementation.
1105         (create_ssa_artficial_load_stmt): Move. New implementation.
1106         (swap_tree_operands): Update for new implementation.
1107         (get_expr_operands): Add stmt parameter to calls to swap_tree_operands.
1108         (add_call_clobber_ops, add_call_read_ops): Initialize opbuild list
1109         rather than a varray.
1110         (verify_imm_links): Use use_operand_p.
1111         (dump_immediate_uses_for): If the immediate use variable is a virtual 
1112         variable, show the virtual ops in the stmt.
1113         * tree-ssa-operands.h (def_operand_p): No longer a structure.
1114         (NULL_DEF_OPERAND_P): Now a #define.
1115         (def_optype_d, use_optype_d, v_def_use_operand_type, v_may_def_optype_d,
1116         vuse_operand_type, vuse_optype_d, v_must_def_optype_d): Delete.
1117         (def_optype_d, use_optype_d, maydef_optype_d, vuse_optype_d,
1118         mustdef_optype_d): New.  Use Linked list representation.
1119         (SSA_OPERAND_MEMORY_SIZE): New.  Size of operand memory chunk.
1120         (struct ssa_operand_memory_d): New.  Allocated Chunk node.
1121         (struct stmt_operands_d): Change to new pointers that are not GTY.
1122         (STMT_USE_OPS, NUM_USES, SET_USE_OP, STMT_DEF_OPS, NUM_DEFS, SET_DEF_OP,
1123         STMT_V_MAY_DEF_OPS, NUM_V_MAY_DEFS, SET_V_MAY_DEF_RESULT,
1124         SET_V_MAY_DEF_OP, STMT_VUSE_OPS, NUM_VUSES, SET_VUSE_OP,
1125         STMT_V_MUST_DEF_OPS, NUM_V_MUST_DEFS, SET_V_MUST_DEF_RESULT, 
1126         SET_V_MUST_DEF_KILL): Delete.
1127         (V_MAY_DEF_OPS, V_MAY_DEF_RESULT_PTR, V_MAY_DEF_RESULT, 
1128         V_MAY_DEF_OP_PTR, V_MAY_DEF_OP): Rename to MAYDEF_*.
1129         (V_MUST_DEF_OPS, V_MUST_DEF_RESULT_PTR, V_MUST_DEF_RESULT, 
1130         V_MUST_DEF_KILL_PTR, V_MUST_DEF_KILL): Rename to MUSTDEF_*.
1131         (enum ssa_op_iter_type): Operand iterator typechecking values.
1132         (struct ssa_operand_iterator_d): Use linked lists of operands.
1133         (SSA_OP_VMUSTDEFKILL): Rename to SSA_OP_VMUSTKILL.
1134         (FOR_EACH_SSA_MAYDEF_OPERAND, FOR_EACH_SSA_MUSTDEF_OPERAND,
1135         FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): Use op_iter_next_maymustdef.
1136         (FOR_EACH_PHI_ARG): New.  Iterate over PHI arguments.
1137         (FOR_EACH_PHI_OR_STMT_USE): New.  Iterate over PHI or stmt uses.
1138         (FOR_EACH_PHI_OR_STMT_DEF): New.  Iterate over PHI or stmt defs.
1139         (SINGLE_SSA_TREE_OPERAND, SINGLE_SSA_USE_OPERAND, 
1140         SINGLE_SSA_DEF_OPERAND, ZERO_SSA_OPERANDS, NUM_SSA_OPERANDS): New.
1141         * tree-ssa-opfinalize.h: New.  Function templates for expansion.
1142         (FINALIZE_ALLOC): Expands into alloc_def, alloc_use, alloc_maydef,
1143         alloc_vuse, and alloc_mustdef.
1144         (FINALIZE_FUNC): Expands into finalize_ssa_def_ops, 
1145         finalize_ssa_use_ops, finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
1146         and finalize_ssa_v_must_def_ops.
1147         * tree-ssa-pre.c (add_to_sets): Pass tree to vn_add.
1148         (create_value_expr_from): Use stmt not vuse_optype as a parameter. Pass
1149         stmt around.
1150         (compute_avail): Use generic iterator interface.
1151         * tree-ssa-propagate.c (first_vdef): Use generic operand interface.
1152         (stmt_makes_single_load, stmt_makes_single_store): Use 
1153         ZERO_SSA_OPERANDS.
1154         * tree-ssa-sink.c (is_hidden_global_store): Use ZERO_SSA_OPERANDS.
1155         (statement_sink_location): Use generic interface.
1156         * tree-ssa.c (verify_ssa):  Use %p in fprintf.  Use generic interface.
1157         (delete_tree_ssa): Don't call release_defs.  Call release_ssa_name and
1158         reset the immediate use link nodes.
1159         (stmt_references_memory_p): Use ZERO_SSA_OPERANDS.
1160         * tree-ssanames.c (make_ssa_name): Use use_operand_p.
1161         * tree-tailcall.c (find_tail_calls): Use ZERO_SSA_OPERANDS.
1162         (eliminate_tail_call): Use generic operand interface.
1163         * tree-vect-analyze.c (vect_analyze_data_refs): Use ZERO_SSA_OPERANDS.
1164         (vect_mark_relevant, vect_mark_stmts_to_be_vectorized): Use generic 
1165         interface.
1166         * tree-vect-transform.c (update_vuses_to_preheader): Use generic 
1167         interface.
1168         * tree-vectorizer.c (rename_variables_in_bb): Use generic interface.
1169         * tree-vn.c (struct val_expr_pair_d): Cache statment pointer instead of
1170         vuse_optype.
1171         (vn_compute, val_expr_pair_hash, vn_add, vn_lookup, vn_lookup_or_add): 
1172         Use statement pointer instead of vuse_optype.  Use generic interface.
1173         * tree-vrp.c (maybe_add_assert_expr): Use generic interface.
1174         (stmt_interesting_for_vrp, vrp_visit_stmt): Use ZERO_SSA_OPERANDS.
1175         * tree.h (struct ssa_imm_use_d): Renamed to ssa_use_operand_d.
1176         (tree_ssa_name, phi_arg_d): Use ssa_use_operand_d.
1177         * doc/tree-ssa.texi: Update documentation for operand interface.
1178
1179 2005-05-03  Nathan Sidwell  <nathan@codesourcery.com>
1180
1181         * config/darwin.c (machopic_define_symbol): Use gcc_assert or
1182         gcc_unreachable as appropriate.
1183         (machopic_function_base_name, machopic_indirect_data_reference,
1184         machopic_legitimize_pic_address, darwin_non_lazy_pcrel): Likewise.
1185         * config/host-darwin.c (darwin_gt_pch_use_address): Likewise
1186         * config/rs6000/altivec.md (*mov<mode>_internal,
1187         build_vector_mask_for_load): Likewise.
1188         * config/rs6000/darwin.md (movdf_low_si, movdf_low_di,
1189         *call_nonlocal_darwin64, *call_value_nonlocal_darwin64,
1190         *sibcall_symbolic_64, *sibcall_value_symbolic_64): Likewise.
1191         * config/rs6000/predicates.md (easy_fp_constant,
1192         logical_operand): Likewise.
1193         * config/rs6000/rs6000.c (spe_expand_predicate_builtin,
1194         compute_save_world_info, rs6000_emit_prologue,
1195         rs6000_output_mi_thunk): Reword comments to avoid 'abort'.
1196         * config/rs6000/host-darwin.c (segv_handler): Use fancy_abort
1197         directly.
1198
1199 2005-05-03  Uros Bizjak  <uros@kss-loka.si>
1200
1201         PR middle-end/21282
1202         * convert.c (convert_to_integer): Convert ceil and floor in
1203         c99 mode only.
1204
1205 2005-04-29  Geoffrey Keating  <geoffk@apple.com>
1206
1207         PR target/20813
1208         * config/rs6000/rs6000.md (floatsidf2_internal): Merge to create
1209         define_insn_and_split.  Split only when memory operand is
1210         offsettable.  Use adjust_address rather than plus_constant.
1211         (floatunssidf2_internal): Likewise.
1212         (fix_truncdfsi2_internal): Split only when memory operand is
1213         offsettable.  Use adjust_address rather than plus_constant.
1214         (fix_trunctfsi2_internal): Likewise.
1215         (floatsidf2_internal): Likewise.
1216
1217 2005-05-02  Diego Novillo  <dnovillo@redhat.com>
1218
1219         * tree-vrp.c (set_value_range_to_nonnull): Declare inline.
1220         (set_value_range_to_null): Likewise.
1221         (set_value_range_to_varying): New function.  Use it in all
1222         call sites that used to call set_value_range (vr, VR_VARYING, ...).
1223         (extract_range_from_assert): If the integral type has a
1224         super-type, and LIMIT is not within MIN and MAX values of that
1225         type, set the resulting range to VR_VARYING.
1226
1227 2005-05-02  Hans-Peter Nilsson  <hp@bitrange.com>
1228
1229         * config/mmix/mmix.opt: New file.
1230         * config/mmix/mmix.h: Move options-related comments to mmix.opt.
1231         (mmix_cc1_ignored_option): Don't declare.
1232         (TARGET_OPTIONS, TARGET_MASK_LIBFUNCS, TARGET_MASK_ABI_GNU)
1233         (TARGET_MASK_FCMP_EPSILON, TARGET_MASK_ZERO_EXTEND)
1234         (TARGET_MASK_KNUTH_DIVISION, TARGET_MASK_TOPLEVEL_SYMBOLS)
1235         (TARGET_MASK_BRANCH_PREDICT, TARGET_MASK_USE_RETURN_INSN)
1236         (TARGET_MASK_BASE_ADDRESSES, TARGET_LIBFUNC, TARGET_ABI_GNU,
1237         (TARGET_FCMP_EPSILON, TARGET_ZERO_EXTEND, TARGET_KNUTH_DIVISION)
1238         (TARGET_TOPLEVEL_SYMBOLS, TARGET_BRANCH_PREDICT)
1239         (TARGET_BASE_ADDRESSES, TARGET_USE_RETURN_INSN, TARGET_SWITCHES):
1240         Don't define.
1241         (TARGET_DEFAULT): Change TARGET_MASK_... to MASK_...
1242         * config/mmix/mmix.c (mmix_cc1_ignored_option): Remove.
1243         (TARGET_DEFAULT_TARGET_FLAGS): Override default.
1244
1245 2005-05-02  Joseph S. Myers  <joseph@codesourcery.com>
1246
1247         PR c/15698
1248         * c-tree.h (C_DECL_BUILTIN_PROTOTYPE): New.
1249         * c-decl.c (current_function_prototype_built_in,
1250         current_function_prototype_arg_types): New.
1251         (merge_decls): Keep source location of prototype followed by
1252         nonprototype declaration.  Update C_DECL_BUILTIN_PROTOTYPE.
1253         (builtin_function): Set C_DECL_BUILTIN_PROTOTYPE.
1254         (start_function): Always set current_function_prototype_locus,
1255         current_function_prototype_built_in and
1256         current_function_prototype_arg_types.  Check for external
1257         prototype whether or not visible for external function and set
1258         current_function_prototype_arg_types accordingly.
1259         (store_parm_decls_oldstyle): Use
1260         current_function_prototype_arg_types for checking old-style
1261         definition against prototype.  Give warnings only if
1262         current_function_prototype_built_in).
1263
1264 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
1265
1266         * ggc.h (ggc_alloc_zone_pass_stat): New macro.
1267         (ggc_alloc_zone_stat): Don't define.
1268         * ggc-zone.c (ggc_alloc_typed_stat, ggc_alloc_stat): Use
1269         ggc_alloc_zone_pass_stat.
1270         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Likewise.
1271         * tree.c (make_node_stat, copy_node_stat, make_tree_binfo_stat)
1272         (make_tree_vec_stat, tree_cons_stat, build1_stat): Likewise.
1273
1274 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
1275
1276         * calls.c (expand_call): Handle current_function_pretend_args_size
1277         when checking for sibcalls.
1278
1279 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
1280
1281         PR tree-optimization/21294
1282         * tree-vrp.c (vrp_expr_computes_nonzero): New.
1283         (extract_range_from_expr): Call vrp_expr_computes_nonzero.
1284
1285 2005-05-02  Janis Johnson  <janis187@us.ibm.com>
1286
1287         PR 19985
1288         * gcov-io.h: Declare gcov external functions hidden.
1289
1290 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
1291
1292         * tree-ssa-uncprop.c (equiv_hash_elt, remove_equivalence,
1293         record_equiv, tree_ssa_uncprop, uncprop_into_successor_phis):
1294         Use VEC instead of VARRAY.
1295         (equiv_free): New.
1296
1297         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Factor
1298         out common code.
1299
1300 2005-05-02  Paolo Bonzini  <bonzini@gnu.org>
1301
1302         * c-common.c (resolve_overloaded_builtin): Forward to target
1303         hook for BUILT_IN_MD built-ins.
1304         * c-typeck.c (finish_call_expr): Call resolve_overloaded_builtin
1305         for all types of built-in.
1306         * target-def.h (TARGET_RESOLVE_OVERLOADED_BUILTIN): New.  Use it
1307         in the definition of the target hooks struct.
1308         * target.h (struct gcc_target): Add resolve_overloaded_builtin.
1309         * config/rs6000/altivec.h: Rewritten.
1310         * config/rs6000/rs6000-c.c (struct altivec_builtin_types,
1311         altivec_resolve_overloaded_builtin, altivec_build_resolved_builtin,
1312         rs6000_builtin_type, rs6000_builtin_type_compatible,
1313         altivec_overloaded_builtins, rs6000_builtin_type,
1314         rs6000_builtin_type_compatible): New.
1315         * config/rs6000/rs6000.c (rs6000_builtin_types, rs6000_builtin_decls):
1316         New.
1317         (def_builtin): Turn into a function.  Check for duplicates and store
1318         the builtin into rs6000_builtin_decls.
1319         (bdesc_3arg, bdesc_dst, bdesc_altivec_preds, bdesc_2arg,
1320         bdesc_1arg): Add overloaded builtins.
1321         (altivec_expand_builtin): Check for unresolved overloaded builtins,
1322         do not support ALTIVEC_COMPILETIME_ERROR.
1323         (rs6000_init_builtins): Add opaque 128-bit vector, and internal
1324         nodes to represent front-end types.
1325         (altivec_init_builtins, rs6000_common_init_builtins): Create builtins
1326         with opaque arguments and/or return values.
1327         * config/rs6000/rs6000.h (enum rs6000_builtins): Remove
1328         ALTIVEC_COMPILETIME_ERROR and add Altivec overloaded builtins.
1329         (rs6000_builtin_type_index): New.
1330         (is_ev64_opaque_type): Rename to...
1331         (rs6000_is_opaque_type): ... this.
1332         (rs6000_cpu_cpp_builtins): Install the resolve_overloaded_builtin
1333         target hook.
1334
1335 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
1336
1337         * function.c (reorder_blocks, reorder_blocks_1): Use VEC
1338         instead of VARRAY.
1339
1340 2005-05-02  Nathan Sidwell  <nathan@codesourcery.com>
1341             Bernd Schmidt  <bernd.schmidt@analog.com>
1342
1343         * config/bfin/bfin.c (emit_link_insn, effective_address_32bit_p,
1344         print_address_operand, print_operand, legitimize_pic_address,
1345         asm_conditional_branch, bfin_gen_compare, output_push_multiple,
1346         output_pop_multiple): Use gcc_assert or gcc_unreachable as
1347         appropriate.
1348         * config/bfin/bfin.md (movsf splitter, beq, bne): Likewise.
1349
1350 2005-05-02  Dorit Naishlos  <dorit@il.ibm.com>
1351
1352         * doc/passes.texi: Document vectorization pass.
1353
1354 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
1355
1356         * tree-scalar-evolution.c (get_exit_conditions_rec,
1357         select_loops_exit_conditions,
1358         number_of_iterations_for_all_loops,
1359         analyze_scalar_evolution_for_all_loop_phi_nodes,
1360         scev_analysis): Use VEC instead of VARRAY.
1361
1362 2005-05-02  Michael Matz  <matz@suse.de>
1363
1364         PR c++/19542
1365         * c-common.c (c_common_nodes_and_builtins): Create global null_node.
1366         (warn_strict_null_sentinel): Define.
1367         (check_function_sentinel): Check for null_node as valid sentinel too.
1368         * c-common.h (c_tree_index): Added CTI_NULL.
1369         (null_node) Define global_tree[CTI_NULL].
1370         (warn_strict_null_sentinel): Declare.
1371         * c-opts.c: (c_common_handle_option): Handle -Wstrict-null-sentinel.
1372         * c.opt: (Wstrict-null-sentinel): New C++ option.
1373         * doc/invoke.texi (C++ Options): Document -Wstrict-null-sentinel.
1374
1375 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
1376
1377         * gimplify.c (gimplify_compound_lval): Use VEC instead of
1378         VARRAY.
1379
1380         * global.c (calculate_reg_pav): Use VEC instead of VARRAY.
1381
1382         * dwarf2out.c (decl_scope_table, push_decl_scope,
1383         pop_decl_scope, scope_die_for, dwarf2out_init): Use VEC
1384         instead of VARRAY.
1385
1386 2005-05-01  Mark Mitchell  <mark@codesourcery.com>
1387
1388         PR C++/14391
1389         * c-cppbuiltin.c (c_cpp_builtins): Do not define __GXX_WEAK__ to 1
1390         if !flag_weak.
1391         * doc/cpp.texi (__DEPRECATED): Document.
1392         (__EXCEPTIONS): Likewise.
1393         (__GXX_WEAK__): Likewise.
1394
1395         * function.c (INVOKE__main): Do not define.
1396         (expand_main_function): Check HAS_INIT_SECTION when determining
1397         whether or not to call __main.
1398
1399 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
1400
1401         * tree-ssa-loop-ivopts.c: Fix a comment typo.
1402
1403 2005-01-05  Paul Brook  <paul@codesourcery.com>
1404
1405         * config/arm/arm.h (ARM_EMIT_TRAMPOLINE_CACHE_CLEAR): Define.
1406         (INITIALIZE_TRAMPOLINE): Use it.
1407         * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Remove.
1408         * config/arm/netbsd.h (INITIALIZE_TRAMPOLINE): Remove.
1409         * config/arm/netbsd-elf.h (INITIALIZE_TRAMPOLINE): Remove.
1410
1411 2005-05-01  Gerald Pfeifer  <gerald@pfeifer.com>
1412
1413         * doc/install.texi (Specific): Omit dots in the @anchors names
1414         for i?86-*-sco3.2v5*, i?86-*-solaris2.10, and sparc-sun-solaris2.7.
1415         Omit underscores for x86_64-*-* and the "all ELF targets" entry.
1416
1417 2005-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
1418
1419         PR tree-optimization/18316
1420         PR tree-optimization/19126
1421         * tree.c (build_int_cst_type): Avoid shift by size of type.
1422         * tree-scalar-evolution.c (simple_iv): Add allow_nonconstant_step
1423         argument.
1424         * tree-scalar-evolution.h (simple_iv): Declaration changed.
1425         * tree-ssa-loop-ivopts.c (struct iv_cand): Add depends_on
1426         field.
1427         (dump_cand): Dump depends_on information.
1428         (determine_biv_step): Add argument to simple_iv call.
1429         (contains_abnormal_ssa_name_p): Handle case expr == NULL.
1430         (find_bivs, find_givs_in_stmt_scev): Do not require step to be a
1431         constant.
1432         (add_candidate_1): Record depends_on for candidates.
1433         (tree_int_cst_sign_bit, constant_multiple_of): New functions.
1434         (get_computation_at, get_computation_cost_at, may_eliminate_iv):
1435         Handle ivs with nonconstant step.
1436         (iv_ca_set_remove_invariants, iv_ca_set_add_invariants): New functions.
1437         (iv_ca_set_no_cp, iv_ca_set_cp): Handle cand->depends_on.
1438         (create_new_iv): Unshare the step before passing it to create_iv.
1439         (free_loop_data): Free cand->depends_on.
1440         (build_addr_strip_iref): New function.
1441         (find_interesting_uses_address): Use build_addr_strip_iref.
1442         (strip_offset_1): Split the recursive part from strip_offset.
1443         Strip constant offset component_refs and array_refs.
1444         (strip_offset): Split the recursive part to strip_offset_1.
1445         (add_address_candidates): Removed.
1446         (add_derived_ivs_candidates): Do not use add_address_candidates.
1447         (add_iv_value_candidates): Add candidates with stripped constant
1448         offset.  Consider all candidates with initial value 0 important.
1449         (struct affine_tree_combination): New.
1450         (aff_combination_const, aff_combination_elt, aff_combination_scale,
1451         aff_combination_add_elt, aff_combination_add,
1452         tree_to_aff_combination, add_elt_to_tree, aff_combination_to_tree,
1453         fold_affine_sum): New functions.
1454         (get_computation_at): Use fold_affine_sum.
1455         * tree-ssa-loop-manip.c (create_iv): Handle ivs with nonconstant step.
1456         * tree-ssa-loop-niter.c (number_of_iterations_exit): Add argument
1457         to simple_iv call.
1458
1459 2005-04-30  Michael Matz  <matz@suse.de>
1460
1461         * config/i386/i386.md (movmemsi): Also active when
1462         TARGET_INLINE_ALL_STRINGOPS.
1463
1464 2005-04-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
1465
1466         PR bootstrap/20633
1467         * config/freebsd-spec.h (FBSD_CPP_SPEC): Add %(cpp_arch).
1468
1469 2005-04-30  Paul Brook  <paul@codesourcery.com>
1470
1471         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Always use .thumb_set in
1472         thumb mode.
1473         * config/arm/ieee754-df.S: Use __INTERWORKING_STUBS__.
1474         * config/arm/ieee754-sf.S: Ditto.
1475         * config/arm/lib1funcs.asm: Define and use __INTERWORKING_STUBS__.
1476         (FUNC_ALIAS): Use .thumb_set for thumb routines.
1477
1478 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
1479
1480         * tree-ssanames.c: Fix a comment typo.
1481         * doc/options.texi: Fix a typo.
1482
1483 2005-04-30  Nathan Sidwell  <nathan@codesourcery.com>
1484
1485         * config/h8300/h8300.c (byte_reg): Use gcc_assert and
1486         gcc_unreachable as appropriate.
1487         (split_adds_subs, cond_string, print_operand,
1488         h8300_initial_elimination_offset, h8300_classify_operand,
1489         h8300_unary_length, h8300_short_immediate_length,
1490         h8300_bitfield_length, h8300_binary_length,
1491         h8300_insn_length_from_table, compute_mov_length, output_plussi,
1492         compute_plussi_length, compute_plussi_cc, output_logical_op,
1493         compute_logical_op_length, compute_logical_op_cc,
1494         output_h8sx_shift, get_shift_alg, h8300_shift_needs_scratch_p,
1495         output_a_shift, compute_a_shift_length, compute_a_shift_cc,
1496         output_a_rotate, compute_a_rotate_length, fix_bit_operand,
1497         h8300_regs_ok_for_stm): Likewise.
1498         * config/h8300/h8300.md (*movsi_h8300, *movsf_h8300,
1499         monitor_prologue): Likewise.
1500
1501 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
1502
1503         * loop-invariant.c (invariants, create_new_invariant,
1504         get_inv_cost, best_gain_for_invariant,
1505         find_invariants_to_move, move_invariants,
1506         init_inv_motion_data, free_inv_motion_data): Use VEC instead
1507         of VARRAY.
1508
1509 2005-04-29  Richard Henderson  <rth@redhat.com>
1510
1511         * function.c (instantiate_decls): Remove valid_only argument.
1512         (instantiate_decls_1, instantiate_decl): Likewise.
1513         (instantiate_virtual_regs_1): Delete.
1514         (instantiate_virtual_regs_lossage): Delete.
1515         (instantiate_virtual_regs_in_rtx): New.
1516         (safe_insn_predicate): New.
1517         (instantiate_virtual_regs_in_insn): New.
1518         (instantiate_virtual_regs): Update to match all that.  Only run
1519         instantiate_decls once.
1520
1521 2005-04-29  Richard Henderson  <rth@redhat.com>
1522             Daniel Jacobowitz  <dan@codesourcery.com>
1523
1524         * gengtype.c (write_func_for_structure): Split out ...
1525         (output_type_enum): ... new function.  Fix thinko accessing
1526         TYPE_PARAM_STRUCT data.
1527
1528 2005-04-29  Tom Tromey  <tromey@redhat.com>
1529
1530         * tree.c (build_block): Removed unused 'tags' argument.
1531         * tree.h (build_block): Removed argument.
1532
1533 2005-04-29  Michael Matz  <matz@suse.de>
1534
1535         PR rtl-optimization/21144
1536         * postreload.c (reload_cse_move2add): Check for VOIDmode.
1537
1538 2005-04-29  Bob Wilson  <bob.wilson@acm.org>
1539
1540         * config/xtensa/xtensa.h (OPTIMIZATION_OPTIONS): Define to disable
1541         flag_reorder_blocks.
1542
1543 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
1544
1545         PR tree-optimization/21030
1546         * tree-vrp.c (adjust_range_with_scev): Do not create invalid
1547         ranges where VR->MAX is smaller than VR->MIN.
1548
1549 2005-04-29  Devang Patel  <dpatel@apple.com>
1550
1551         PR tree-optimization/21272
1552         PR tree-optimization/21266
1553         * tree-if-conv.c (find_phi_replacement_condition): Fix think-o.
1554         
1555 2005-04-29  Kazu Hirata  <kazu@cs.umass.edu>
1556
1557         * tree-flow-inline.h: Fix a comment typo.
1558         * doc/tree-ssa.texi: Fix a typo.
1559
1560         * tree-flow-inline.h, tree-ssa-operands.c: Fix comment typos.
1561
1562 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
1563
1564         * config/fr30/fr30.c (fr30_expand_prologue): Use gcc_assert and
1565         gcc_unreachable as appropriate.
1566         (fr30_expand_epilogue, fr30_setup_incoming_varargs,
1567         fr30_print_operand, fr30_move_double): Likewise.
1568         * config/fr30/fr30.md (*movsi_internal, *movsf_internal): Likewise.
1569
1570 2005-04-29  Mark Mitchell  <mark@codesourcery.com>
1571
1572         * config/arm/arm.h (ARM_EABI_CTORS_SECTION_OP): Do not define if a
1573         definition has already been provided.
1574         (ARM_EABI_DTORS_SECTION_OP): Likewise.
1575         * config/arm/symbian.h (ARM_EABI_CTORS_SECTION_OP): Define.
1576         (ARM_EABI_DTORS_SECTION_OP): Likewise.
1577
1578 2005-04-29  Jim Tison  <jtison@us.ibm.com>
1579
1580         * config/s390/s390.md ("prologue_tpf", "epilogue_tpf"): Alter
1581         trace hooks calls to improve performance.
1582
1583 2005-04-29  Julian Brown  <julian@codesourcery.com>
1584             Mark Mitchell  <mark@codesourcery.com>
1585             Paul Brook  <paul@codesourcery.com>
1586
1587         * crtstuff.c: Handle targets that use .init_array.
1588         * function.c (HAS_INIT_SECTION): Do not define. Instead, make sure
1589         that INVOKE__main is set correctly.
1590         (expand_main_function): Test INVOKE__main.
1591         * libgcc2.c: Do not define __main when using .init_array.
1592         * config/arm/arm.c (arm_elf_asm_constructor): New function.
1593         * config/arm/arm.h (CTORS_SECTION_ASM_OP): Define, with specialized
1594         libgcc version.
1595         (DTORS_SECTION_ASM_OP): Likewise.
1596         (CTOR_LIST_BEGIN): Define specially when in libgcc.
1597         (CTOR_LIST_END): Likewise.
1598         (DTOR_LIST_BEGIN): Likewise.
1599         (DTOR_LIST_END): Likewise.
1600         * config/arm/bpapi.h (INIT_SECTION_ASM_OP): Do not define it.
1601         (FINI_SECTION_ASM_OP): Likewise.
1602         (INIT_ARRAY_SECTION_ASM_OP): Define.
1603         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
1604         * config/arm/elf.h (TARGET_ASM_CONSTRUCTOR): Define.
1605         (SUPPORTS_INIT_PRIORITY): Evaluate to false for EABI based targets.
1606         * doc/tm.texi (INIT_ARRAY_SECTION_ASM_OP): Document.
1607         (FINI_ARRAY_SECTION_ASM_OP): Likewise.  
1608
1609 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
1610
1611         * config/m68k/m68k.c (m68k_initial_elimination_offset): Use
1612         gcc_assert and gcc_unreachable as appropriate.
1613         (output_dbcc_and_branch, output_scc_di, legitimize_pic_address,
1614         const_int_cost, output_move_const_into_data_reg,
1615         output_move_qimode, output_move_double, find_addr_reg,
1616         print_operand, print_operand_address): Likewise.
1617         * config/m68k/m68k.md (adddi3, subdi3, negsf2, negdf2, abssf2,
1618         absdf2, sordered, sunordered, suneq, sunge, sungt, sunle, sunlt,
1619         sltgt, bordered, bunordered, buneq, bunge, bungt, bunle, bunlt,
1620         bltgt, *bordered_rev, *bunordered_rev, *buneq_rev, *bunge_rev,
1621         *bunle_rev, *bunlt_rev, *bltgt_rev, negxf2, absxf2,
1622         conditional_trap): Likewise.
1623         * config/m68k/m68kelf.h (ASM_OUTPUT_ALIGN): Remove unreachable code.
1624
1625 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
1626
1627         * config/xtensa/xtensa.c (gen_int_relational): Use gcc_assert and
1628         gcc_unreachable as appropriate.
1629         (gen_conditional_move, xtensa_split_operand_pair,
1630         xtensa_split_operand_pair, xtensa_copy_incoming_a7,
1631         xtensa_copy_incoming_a7, xtensa_copy_incoming_a7,
1632         xtensa_copy_incoming_a7, xtensa_output_literal,
1633         xtensa_output_literal, xtensa_output_literal): Likewise.
1634         * config/xtensa/xtensa.h (INITIAL_ELIMINATION_OFFSET): Likewise.
1635         * config/xtensa/xtensa.md (*btrue, *bfalse, *ubtrue, *ubfalse,
1636         *bittrue, *bitfalse, *masktrue, *maskfalse, movsicc_internal0,
1637         movsicc_internal1, movsfcc_internal0,
1638         movsfcc_internal1): Likewise.
1639
1640 2005-04-28  James E Wilson  <wilson@specifixinc.com>
1641
1642         * config/i386/i386.h (HI_REGISTER_NAMES): Fix typos in comment.
1643         (ADDITIONAL_REGISTER_NAMES): Delete obsolete mmx register entries.
1644
1645 2005-04-28  DJ Delorie  <dj@redhat.com>
1646
1647         * opt-functions.awk (var_set): Emit proper initializer for
1648         non-target bitfields.
1649
1650 2005-04-28  Devang Patel  <dpatel@apple.com>
1651
1652         * dbxout.c (have_used_extensions): Remove.
1653         (dbxout_type_fileds, dbxout_type, dbxout_symbol): Remove use of
1654         have_used_extensions.
1655         
1656 2005-04-28  James E Wilson  <wilson@specifixinc.com>
1657
1658         * doc/install.texi: Update -enable-languages info.  Correct path to
1659         html docs.
1660
1661 2005-04-28  DJ Delorie  <dj@redhat.com>
1662
1663         * optc-gen.awk (END): Make sure no variable is defined more
1664         than once.
1665         * opth-gen.awk (END): Allocate bits on a per-variable basis.
1666         Allow for bitfield variables other than target_flags.
1667         * doc/options.text (Mask): Document that you may specify a
1668         variable other than target_flags.
1669
1670 2005-04-28  Martin Koegler <mkoegler@auto.tuwien.ac.at>
1671
1672         PR rtl-optimization/18877
1673         * reload.c (decompose) <case REG, case SUBREG>: Handle pseudo reg
1674         number in val.start.
1675
1676 2005-04-28  David Edelsohn  <edelsohn@gnu.org>
1677
1678         PR target/20813
1679         * config/rs6000/aix43.h (SUBSUBTARGET_SWITCHES, aix64): Add
1680         MASK_PPC_GFXOPT.
1681         * config/rs6000/aix51.h (SUBSUBTARGET_SWITCHES, aix64): Same.
1682         * config/rs6000/aix52.h (SUBSUBTARGET_SWITCHES, aix64): Same.
1683         * config/rs6000/sysv4.h (SUBTARGET_SWITCHES, 64): Same.
1684
1685 2005-04-28  Richard Earnshaw  <richard.earnshaw@arm.com>
1686
1687         * arm.c (legitimize_pic_address): Fix sense of assertion test for
1688         creating pseudos when the base offset is too large.
1689
1690 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
1691
1692         * global.c (earlyclobber_regclass): Change the type to
1693         VEC(int,heap).
1694         (check_earlyclobber): Update uses of earlyclobber_regclass.
1695         (mark_reg_use_for_earlyclobber): Likewise.
1696         (calculate_local_reg_bb_info): Allocate and free
1697         earlyclobber_regclass using the VEC API.
1698
1699 2005-04-28  Nathan Sidwell  <nathan@codesourcery.com>
1700
1701         * tree-ssa-alias.c (push_fields_onto_fieldstack): Remove bogus
1702         assert.
1703
1704 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
1705
1706         * modulo-sched.c, tree-stdarg.c: Use targetm.foo instead of
1707         (*targetm.foo).
1708
1709         * config.gcc: Obsolete c4x-* and tic4x-*.
1710
1711         * tree.h (edge_def): Remove.
1712
1713         * bt-load.c, cfgexpand.c, dwarf2out.c, emit-rtl.c, expr.c,
1714         function.c, global.c, lcm.c, loop-invariant.c, optabs.c,
1715         reorg.c, resource.c, tree-ssa-loop-ivopts.c, value-prof.c: Use
1716         JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P
1717         where appropriate.
1718
1719         * attribs.c, c-pragma.c, caller-save.c, cfghooks.h,
1720         coverage.c, cselib.h, domwalk.c, domwalk.h, errors.c,
1721         errors.h, gcov-dump.c, gcov-io.c, gcov-io.h, gen-protos.c,
1722         genattrtab.h, genextract.c, gthr-win32.h, insn-notes.def,
1723         integrate.c, lambda-mat.c, lambda.h, libgcov.c, local-alloc.c,
1724         machmode.def, mips-tfile.c, params.c, pretty-print.c,
1725         print-rtl.c, protoize.c, regmove.c, sched-vis.c, tree-chrec.h,
1726         tree-data-ref.h, vec.h, config/darwin-c.c, config/sol2-c.c,
1727         config/sol2.c, config/arm/arm-cores.def, config/arm/cirrus.md,
1728         config/arm/symbian.h, config/c4x/c4x.c, config/c4x/c4x.h,
1729         config/i386/cygming.h, config/i386/djgpp.h,
1730         config/i386/lynx.h, config/i386/netware.c,
1731         config/i386/winnt.c, config/ia64/ia64-c.c,
1732         config/iq2000/iq2000.c, config/m32r/little.h,
1733         config/m68k/m68k-protos.h, config/m68k/m68k.h,
1734         config/m68k/m68k.md, config/mcore/mcore.c,
1735         config/mcore/mcore.h, config/mmix/mmix.c, config/mmix/mmix.md,
1736         config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
1737         config/mn10300/mn10300.h, config/ns32k/netbsd.h,
1738         config/ns32k/ns32k.c, config/ns32k/ns32k.h,
1739         config/pa/pa-hpux11.h, config/pdp11/pdp11.c,
1740         config/pdp11/pdp11.h, config/rs6000/darwin.h,
1741         config/rs6000/default64.h, config/rs6000/rs6000-c.c,
1742         config/s390/2064.md, config/s390/2084.md,
1743         config/s390/s390-modes.def, config/s390/s390-protos.h,
1744         config/s390/tpf.h, config/sh/sh.h, config/sh/symbian.c,
1745         config/stormy16/stormy16.c, config/vax/vax-protos.h,
1746         config/vax/vax.c, config/vax/vax.h,
1747         config/xtensa/lib1funcs.asm, config/xtensa/xtensa.md: Update
1748         copyright.
1749
1750 2005-04-28  Joseph S. Myers  <joseph@codesourcery.com>
1751
1752         * c-typeck.c (build_compound_expr): Correct logic in last change.
1753
1754 2005-04-27  James E. Wilson  <wilson@specifixinc.com>
1755
1756         * config/ia64/ia64.c (update_set_flags): Delete ppred and pcond
1757         parameters.  Replace conditional move code with assert checking for
1758         ar.lc.  Delete obsolete comments.
1759         (set_src_needs_barrier): Delete cond parameter, and code using it.
1760         (rtx_needs_barrier): Delete initialization of cond.  Fix typo in
1761         assert checking for PR_REGS.  Fix calls to update_set_flags and
1762         set_src_needs_barrier.
1763         (group_barrier_needed): Renamed from group_barrier_needed_p.  Fix all
1764         callers.  Rewrite explanatory comment before the function.
1765         (safe_group_barrier_needed): Renamed from safe_group_barrier_needed_p.
1766         Fix all callers.
1767
1768 2005-04-27  Mike Stump  <mrs@apple.com>
1769
1770         * doc/cpp.texi: gcc now implements universal character names.
1771
1772 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
1773
1774         PR c/21159
1775         * c-typeck.c (build_compound_expr): Don't warn for left-hand side
1776         being a compound expression whose right-hand side is cast to void.
1777
1778 2005-04-27  Caroline Tice  <ctice@apple.com>
1779
1780         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
1781         Remove targetm.have_named_sections test.
1782         (fix_edges_for_rarely_executed_code): Likewise.
1783         (insert_section_boundary_note): Likewise.
1784         (reorder_basic_blocks): Check partitioning flag before calling
1785         verify_hot_cold_block_grouping.
1786         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
1787         the function struct rather than global variables.
1788         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
1789         (COLD_END_LABEL): Likewise
1790         (cold_text_section_label): New static global variable.
1791         (cold_end_label): Likewise.
1792         (dwarf2out_switch_text_section): Get hot/cold section labels from
1793         the function struct rather than global variables; test to make sure
1794         cfun is defined.
1795         (output_aranges): Use cold_text_section_label and cold_end_label;
1796         check partitioning flag before putting out delta.
1797         (output_ranges): Remove incorrect code attempting to use
1798         hot/cold labels.
1799         (output_line_info): Get cold section label from function struct; test
1800         to make sure cfun is defined.
1801         (add_location_or_const_value_attribute): Likewise.
1802         (dwarf2out_var_location): Likewise.
1803         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
1804         write out cold_text_section_label if partition flag is set.
1805         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
1806         * function.h (struct function): Add new fields to point to hot/cold
1807         section labels: hot_section_label, cold_section_label,
1808         hot_section_end_label and cold_section_end_label; also add new field
1809         for cold text section name, unlikely_text_section_name.
1810         * opts.c (decode_options): Turn off partitioning flag if
1811         !targetm.have_named_sections.
1812         * output.h (hot_section_label): Remove.
1813         (hot_section_end_label): Remove.
1814         (cold_section_end_label): Remove.
1815         (unlikely_section_label): Remove.
1816         (unlikely_text_section_name): Remove.
1817         * passes.c (rest_of_handle_final):  Remove extra blank line.
1818         * varasm.c (unlikely_section_label): Remove.
1819         (hot_section_label): Remove.
1820         (hot_section_end_label): Remove.
1821         (cold_section_end_label): Remove.
1822         (unlikely_text_section_name):  Remove.
1823         (initialize_cold_section_name): Modify to call
1824         targetm.strip_name_encoding; to store cold section name in current
1825         function struct, if it exists; and to only use the decl_section_name
1826         if flag_named_sections is true.
1827         (unlikely_text_section): Modify to get section name out of current
1828         function struct, if there is one; otherwise build it from
1829         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
1830         (in_unlikely_text_section): Likewise.
1831         (named_section): Modify to get/put cold section name in current function
1832         struct, if there is one.
1833         (function_section):  Change 'bool unlikely' to 'int reloc'; check
1834         targetm.have_named_sections before calling named_section.
1835         (current_function_section): Likewise.
1836         (assemble_start_function): Modify to get/put unlikely_text_section_name
1837         in current function struct; modify to get hot/cold section labels
1838         from function struct; initialize labels using
1839         ASM_GENERATE_INTERNAL_LABEL;
1840         test partitioning flag before writing out hot section label.
1841         (assemble_end_function): Test partitioning flag before writing out
1842         hot/cold section labels.
1843         (default_section_type_flags_1):  Get cold text section name from
1844         function struct if there is one; Set flags correctly for
1845         cold text section if there is not a current function struct.
1846         
1847 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
1848
1849         * tree-ssa-propagate.c (set_rhs): Revert last change.
1850
1851 2005-04-27  Steve Ellcey  <sje@cup.hp.com>
1852
1853         * explow.c (convert_memory_address): Add gcc_assert.
1854
1855 2005-04-27  Mark Mitchell  <mark@codesourcery.com>
1856
1857         * configure.ac: Check for ld --sysroot support.
1858         * gcc.c: Document %R specifier for specs.
1859         (SYSROOT_SPEC): New macro.
1860         (sysroot_spec): New variable.
1861         (static_specs): Add sysroot_spec.
1862         (main): Pass the sysroot spec to the linker if appropriate.
1863         * configure: Regenerated.
1864         * config.in: Likewise.
1865
1866 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
1867
1868         * fold-const.c (fold_binary): Use build_fold_addr_expr
1869         for address calculation and INDIRECT_REF handling.
1870
1871 2005-04-27  Andrew Haley  <aph@redhat.com>
1872
1873         * postreload-gcse.c (hash_scan_set): Remove bogus assertion.
1874
1875 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
1876
1877         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Reserve arm frame
1878         pointer when thumb backtracing is on.
1879
1880         * config/fp-bit.c (abort): Revert change.
1881
1882 2005-04-27  Ian Lance Taylor  <ian@airs.com>
1883
1884         * c-semantics.c (add_stmt): Don't test STATEMENT_CODE_P.
1885
1886 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
1887
1888         * tree-ssa-dce.c: Fix a comment typo.
1889
1890 2005-04-27  David S. Miller  <davem@davemloft.net>
1891
1892         * explow.c (allocate_dynamic_stack_space SETJMP_VIA_SAVE_AREA):
1893         Kill setjmpless_size.  current_function_calls_setjmp is completely
1894         computed when we are called, so just use the optimized size value
1895         instead of using REG_SAVE_AREA notes.
1896         (optimize_save_area_alloca): Delete....
1897         * rtl.h (optimize_save_area_alloca): Likewise...
1898         * passes.c (rest_of_compilation): and don't call it any more.
1899         * reg-notes.def (SAVE_AREA): Delete.
1900         
1901 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
1902
1903         * config/fp-bit.c (abort): Add noreturn attribute.
1904
1905         * config/avr/avr.c (avr_naked_function_p): Use gcc_assert and
1906         gcc_unreachable as appropriate.
1907         (ptrreg_to_str, cond_string, avr_normalize_condition): Likewise.
1908         * config/avr/avr.h (ASM_OUTPUT_REG_PUSH,
1909         ASM_OUTPUT_REG_POP): Likewise.
1910
1911 2005-04-27  Paolo Bonzini  <bonzini@gnu.org>
1912
1913         * tree-complex.c (expand_vector_operations_1): Do not build
1914         VIEW_CONVERT_EXPR's for the lhs.
1915
1916 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
1917
1918         * config/pa/pa.h (PRINT_OPERAND_ADDRESS): Use gcc_assert, remove
1919         unnecessary noncanonical RTL handling.
1920         * config/pa/pa64-linux.h (INITIAL_ELIMINATION_OFFSET): Use
1921         gcc_assert and gcc_unreachable.
1922
1923         * config/arm/arm.h (ARM_PRINT_OPERAND_ADDRESS): Use gcc_assert and
1924         gcc_unreachable as appropriate.
1925         (THUMB_PRINT_OPERAND_ADDRESS): Likewise.
1926         * config/arm/arm.c (arm_override_options, arm_compute_func_type,
1927         use_return_insn, const_ok_for_op, arm_gen_constant,
1928         arm_canonicalize_comparison, legitimize_pic_address,
1929         thumb_find_work_register, arm_load_pic_register, arm_rtx_costs_1,
1930         arm_cirrus_insn_p, cirrus_reorg, minmax_code,
1931         load_multiple_sequence, emit_ldm_seq, store_multiple_sequence,
1932         emit_stm_seq, arm_gen_movmemqi, arm_select_dominance_cc_mode,
1933         arm_select_cc_mode, arm_reload_in_hi, arm_reload_out_hi,
1934         move_minipool_fix_forward_ref, move_minipool_fix_backward_ref,
1935         dump_minipool, create_fix_barrier, push_minipool_fix, arm_reorg,
1936         fp_immediate_constant, fp_const_from_val, vfp_output_fstmx,
1937         output_call, output_mov_long_double_fpa_from_arm,
1938         output_mov_long_double_arm_from_fpa,
1939         output_mov_double_fpa_from_arm, output_mov_double_arm_from_fpa,
1940         output_move_double, arithmetic_instr, shift_op, int_log2,
1941         output_return_instruction, arm_output_function_prologue,
1942         arm_output_epilogue, arm_output_function_epilogue,
1943         emit_multi_reg_push, arm_get_frame_offsets,
1944         arm_compute_initial_elimination_offset, arm_expand_prologue,
1945         arm_print_operand, arm_assemble_integer, get_arm_condition_code,
1946         arm_final_prescan_insn, arm_init_iwmmxt_builtins,
1947         arm_expand_binop_builtin, thumb_pushpop, thumb_far_jump_used_p,
1948         thumb_compute_initial_elimination_offset,
1949         thumb_output_function_prologue, thumb_load_double_from_address,
1950         thumb_output_move_mem_multiple, thumb_reload_out_hi,
1951         arm_emit_vector_const, arm_dbx_register_number): Likewise.
1952         * config/arm/pe.c (arm_mark_dllexport, arm_mark_dllimport): Likewise.
1953         * config/arm/arm.md (thumb_extendhisi2,
1954         *thumb_extendhisi2_insn_v6, *thumb_extendqisi2,
1955         *thumb_extendqisi2_v6, movhi, *thumb_movhi_insn,
1956         thumb_movhi_clobber, movqi, *arm_buneq, *arm_bltgt,
1957         *arm_buneq_reversed, *arm_bltgt_reversed, suneq, sltgt): Likewise.
1958         * config/arm/cirrus.md (*cirrus_arm_movdi,
1959         *cirrus_movdf_hard_insn): Likewise.
1960         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
1961
1962 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
1963
1964         * tree-flow.h (ssa_names): Change the type to VEC(tree,gc).
1965         (num_ssa_names): Use VEC_length.
1966         (ssa_names): Use VEC_index.
1967         * tree-ssanames.c (ssa_names): Change the type to
1968         VEC(tree,gc).
1969         (init_ssanames, fini_ssa_names, make_ssanames,
1970         release_ssa_name): Update uses of ssa_names.
1971
1972         * dojump.c, emit-rtl.c, expmed.c, expr.c, stmt.c, stor-layout.c:
1973         Use fold_buildN instead of fold (buildN (...)).
1974
1975 2005-04-27  Devang Patel <dpatel@apple.com>
1976
1977         * dbxout.c (dbxout_type): Check use_gnu_debug_info_extensions.
1978
1979 2005-04-27  Matt Thomas <matt@3am-software.com>
1980             Jan-Benedict Glaw <jbglaw@microdata-pos.de>
1981
1982         * config/vax/vax.c (vax_rtx_costs): Whitespace cleanup.
1983         (vax_output_mi_thunk): Ditto.
1984         (vax_notice_cc_update): Ditto.
1985         (INDEX_REGISTER_P): Add trailing \.
1986         (BASE_REGISTER_P): Add trailing \.
1987         (legitimate_address_p): Whitespace cleanup.  Remove trailing \.
1988
1989 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
1990
1991         * tree-ssa-propagate.c (set_rhs): Check operand of
1992         ADDR_EXPR for gimpliness, too.
1993
1994 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
1995
1996         * tree-ssa-pre.c: Fix a comment typo.
1997
1998 2005-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
1999
2000         PR tree-optimization/21171
2001         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not
2002         record address uses if the reference is volatile.
2003
2004 2004-04-27  Paolo Bonzini  <bonzini@gnu.org>
2005
2006         * tree-complex.c (expand_vector_operation): New, extracted from
2007         expand_vector_operations_1.
2008         (tree_vec_extract): Build a NOP_EXPR.
2009         (expand_vec_parallel): Do not care about returning the correct type.
2010         (expand_vector_operations_1): Call expand_vector_operation.
2011         Build the VIEW_CONVERT_EXPR on the left side of MODIFY_EXPRs.
2012
2013         * tree-complex.c (gate_expand_vector_operations): New.
2014         (pass_lower_vector_ssa): Use it.
2015         * tree-optimize.c (init_tree_optimization_passes): Include
2016         pass_lower_vector_ssa.
2017         * tree-vect-transform.c (vect_min_worthwhile_factor): New.
2018         (vectorizable_operation): Use it.
2019         * tree-vectorizer.c (get_vectype_for_scalar_type): Accept
2020         integer modes for the vector type.
2021
2022         * defaults.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
2023         * tree-vect-analyze.c (vect_enhance_data_refs_alignment):
2024         Do not cope with UNITS_PER_SIMD_WORD == 0.
2025         * tree-vectorizer.c (get_vectype_for_scalar_type): Check
2026         if the scalar type is not bigger than UNITS_PER_SIMD_WORD.
2027         (vectorize_loops): Do not check that UNITS_PER_SIMD_WORD > 0.
2028         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
2029         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
2030         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
2031         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
2032
2033         * config/alpha/alpha.h (UNITS_PER_SIMD_WORD): Remove.
2034         * config/bfin/bfin.h (UNITS_PER_SIMD_WORD): Remove.
2035         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): Remove.
2036
2037         * doc/tm.texi (UNITS_PER_WORD): Rephrase more accurately.
2038         (UNITS_PER_SIMD_WORD): New.
2039
2040 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
2041
2042         * config/ia64/ia64.c (ia64_encode_addr_area): Use gcc_assert and
2043         gcc_unreachable as appropriate.
2044         (ia64_expand_load_address, ia64_expand_tls_address,
2045         ia64_split_tmode, ia64_split_tmode_move, ia64_expand_compare,
2046         ia64_expand_vecint_compare, ia64_expand_vecint_minmax,
2047         next_scratch_gr_reg, ia64_initial_elimination_offset,
2048         ia64_expand_prologue, ia64_expand_epilogue,
2049         ia64_output_dwarf_dtprel, ia64_print_operand,
2050         ia64_register_move_cost, first_instruction, rws_access_regno,
2051         update_set_flags, rtx_needs_barrier, group_barrier_needed_p,
2052         ia64_sched_init, ia64_variable_issue,
2053         ia64_first_cycle_multipass_dfs_lookahead_guard,
2054         ia64_dfa_new_cycle, issue_nops_and_insn, get_template, bundling,
2055         ia64_st_address_bypass_p, ia64_ld_address_bypass_p, process_set,
2056         process_for_unwind_directive, ia64_hpux_file_end): Likewise.
2057         * config/ia64/ia64.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
2058         * config/ia64/ia64.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
2059         * config/ia64/predicates.md (got_symbolic_operand,
2060         sdata_symbolic_operand): Likewise.
2061         * config/ia64/vect.md (vcondv2sf): Likewise.
2062
2063 2005-04-27  Matt Thomas <matt@3am-software.com>
2064
2065         * config/vax/vax.c (legitimate_constant_address_p): New.  Formerly
2066         CONSTANT_ADDRESS_P in config/vax/vax.h
2067         (legitimate_constant_p): Added.  Formerly CONSTANT_P in vax.h. 
2068         (INDEX_REGISTER_P): New.
2069         (BASE_REGISTER_P): New.
2070         (indirectable_constant_address_p): New.  Adapted from
2071         INDIRECTABLE_CONSTANT_ADDRESS_P in vax.h. Use SYMBOL_REF_LOCAL_P.
2072         (indirectable_address_p): New.  Adapted from
2073         INDIRECTABLE_ADDRESS_P in vax.h.
2074         (nonindexed_address_p): New.  Adapted from
2075         GO_IF_NONINDEXED_ADDRESS in vax.h.
2076         (index_temp_p): New.  Adapted from INDEX_TERM_P in vax.h.
2077         (reg_plus_index_p): New.  Adapted from GO_IF_REG_PLUS_INDEX in vax.h.
2078         (legitimate_address_p): New.  Adapted from
2079         GO_IF_LEGITIMATE_ADDRESS in vax.h.
2080         (vax_mode_dependent_address_p): New.  Adapted from
2081         GO_IF_MODE_DEPENDENT_ADDRESS in vax.h.
2082         * config/vax/vax.h (CONSTANT_ADDRESS_P): Use
2083         legitimate_constant_address_p.
2084         (CONSTANT_P): Use legitimate_constant_p.
2085         (INDIRECTABLE_CONSTANT_ADDRESS_P): Removed.
2086         (INDIRECTABLE_ADDRESS_P): Removed.
2087         (GO_IF_NONINDEXED_ADDRESS): Removed.
2088         (INDEX_TEMP_P): Removed.
2089         (GO_IF_REG_PLUS_INDEX): Removed.
2090         (GO_IF_LEGITIMATE_ADDRESS): Use legitimate_address_p. Two
2091         definitions, depending on whether REG_OK_STRICT is defined.
2092         (GO_IF_MODE_DEPENDENT_ADDRESS): Use vax_mode_dependent_address_p.
2093         Two definitions, depending on whether REG_OK_STRICT is defined.
2094         * config/vax/vax-protos.h (legitimate_constant_address_p): Prototype
2095         added.
2096         (legitimate_constant_p): Prototype added.
2097         (legitimate_address_p): Prototype added.
2098         (vax_mode_dependent_address_p): Prototype added.
2099
2100 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
2101
2102         * tree.h (phi_arg_d): Expand a comment in phi_arg_d.
2103
2104 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
2105
2106         PR c/21213
2107         * c-decl.c (finish_struct): Don't dereference NULL TYPE_FIELDS of
2108         transparent union.
2109
2110 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
2111
2112         PR c/20740
2113         * c-format.c (init_dynamic_asm_fprintf_info): Give errors, not
2114         assertion failures, if __gcc_host_wide_int__ is not properly
2115         defined.
2116         (init_dynamic_diag_info): Give errors, not assertion failures, if
2117         location_t, tree or __gcc_host_wide_int__ are not properly
2118         defined.
2119
2120 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
2121
2122         * tree-ssa-loop-ivopts.c (ivopts_data, decl_rtl_to_reset,
2123         n_iv_uses, iv_use, n_iv_cands, iv_cand,
2124         tree_ssa_iv_optimize_init, record_use, add_candidate_1,
2125         prepare_decl_rtl, free_loop_data,
2126         tree_ssa_iv_optimize_finalize): Use the VEC API instead of
2127         VARRAY.
2128
2129         * tree.h (tree_phi_node): Add a comment about the order of PHI
2130         arguments.
2131
2132 2005-04-26  Paul Brook  <paul@codesourcery.com>
2133
2134         * config/arm/arm.md (thumb_mulsi3): Use two-operand assembly form.
2135
2136 2005-04-26  Nathan Sidwell  <nathan@codesourcery.com>
2137
2138         * config/mips.mips.c (mips_legitimize_tls_address): Use
2139         gcc_unreachable.
2140
2141         * config/mmix/mmix.c (mmix_assemble_integer): Use gcc_assert.
2142         * config/mmix/crti.asm (_init): Reword comment to avoid 'abort'.
2143         * config/mmix/mmix.md (nonlocal_goto_receiver): Likewise.
2144
2145         * config/sparc/sparc.h (enum reg_class): Reword comment to avoid
2146         'abort'.
2147
2148 2005-04-26  Jeff Law  <law@redhat.com>
2149
2150         * tree-flow-inline.h (op_iter_next_must_and_may_def): New.
2151         (op_iter_init_must_and_may_def): Likewise.
2152         (unmodifiable_var_p): Move to a later point in the file.
2153         * tree-ssa-operands.h (FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): New.
2154         * tree-ssa-dse.c (need_imm_uses_for): Remove, no longer needed.
2155         (dse_record_phis): Directly check for virtual operands rather than
2156         using need_imm_uses_for.
2157         (dse_optimize_stmt): Handle V_MUST_DEF operands.  Handle case where
2158         store has multiple V_{MAY,MUST}_DEF operands.
2159
2160 2005-04-26  Andrew MacLeod  <amacleod@redhat.com>
2161
2162         * tree-cfg.c (bsi_replace): Delink immediate uses for the original
2163         stmt.
2164
2165 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
2166
2167         * tree-cfg.c (lv_adjust_loop_header_phi): Speed up moving a
2168         call to find_edge outside a loop to go through a PHI chain.
2169
2170 2004-04-26  Richard Guenther  <rguenth@gcc.gnu.org>
2171
2172         PR tree-optimization/17598
2173         * fold-const.c (fold_binary): Fold comparisons of addresses
2174         of COMPONENT_REFs which reference the same field to
2175         comparisons of the addresses of the base objects.
2176
2177 2005-04-26  Julian Brown  <julian@codesourcery.com>
2178
2179         * config/arm/arm.c (arm_return_in_msb): New function.
2180         (arm_must_pass_in_stack): New function.
2181         (TARGET_RETURN_IN_MSB): Define target hook.
2182         (TARGET_MUST_PASS_IN_STACK): Define target hook.
2183         (arm_function_value): Pad small aggregate return.
2184         (arm_pad_arg_upward): New function.
2185         (arm_pad_reg_upward): New function.
2186         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Include complex values.
2187         (FUNCTION_ARG_PADDING): Define macro.
2188         (BLOCK_REG_PADDING): Define macro.
2189         (PAD_VARARGS_DOWN): Correct padding for AAPCS.
2190         * config/arm/arm-protos.h (arm_pad_arg_upward): Declare function.
2191         (arm_pad_reg_upward): Declare function.
2192
2193 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
2194
2195         * basic-block.h (ei_cond): New.
2196         (FOR_EACH_EDGE): Call ei_cond.
2197
2198         PR tree-optimization/21047
2199         * fold-const.c (fold_binary): Abort on ASSERT_EXPR.
2200         (fold): Don't handle ASSERT_EXPR.
2201
2202 2005-04-25  Roger Sayle  <roger@eyesopen.com>
2203
2204         * sched-deps.c (sched_analyze_1): On STACK_REGS targets, x87, treat
2205         all writes to any stack register as a read/write dependency on
2206         FIRST_STACK_REG.
2207         (sched_analyze_2): Likewise, for reads from any stack register.
2208
2209 2005-04-25  Richard Henderson  <rth@redhat.com>
2210
2211         * final.c (output_addr_const): Revert 2005-04-09 change.
2212
2213 2005-04-25  Mike Stump  <mrs@apple.com>
2214
2215         * config/darwin.c (darwin_encode_section_info): Always set
2216         MACHO_SYMBOL_STATIC for all ! TREE_PUBLIC symbols.
2217
2218 2005-04-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2219
2220         * collect2.c, gcc.c, gcov-dump.c, gcov.c, gen-protos.c,
2221         gensupport.c, protoize.c, toplev.c: Replace calls to
2222         `unlock_stream' with `unlock_std_streams'.
2223
2224 2005-04-25  Devang Patel <dpatel@apple.com>
2225
2226         * dbxout.c (dbxout_type): Emit attribute vector.
2227         
2228 2005-04-05  Paul Brook  <paul@codesourcery.com>
2229
2230         * target-def.h (TARGET_CXX_USE_AEABI_ATEXIT): Define.
2231         * target.h (struct gcc_target): Add cxx.use_aeabi_atexit.
2232         * config/arm/arm.c (arm_cxx_atexit_name): New function.
2233         (TARGET_CXX_USE_AEABI_ATEXIT): New macro.
2234         * cp/decl.c (get_atexit_node): Reorder arguments for __aeabi_atexit.
2235         (register_dtor_fn): Likewise.
2236         * doc/tm.texi: Document TARGET_CXX_USE_AEABI_ATEXIT.
2237
2238 2005-04-25  Ian Lance Taylor  <ian@airs.com>
2239
2240         * c-common.def (EXPR_STMT): Remove, moved to C++ frontend.
2241         * c-common.h (EXPR_STMT_EXPR): Don't define.
2242         (c_common_stmt_codes): Don't define.
2243         * c-dump.c (c_dump_tree): Remove EXPR_STMT case.
2244         * c-gimplify.c (gimplify_expr_stmt): Remove.
2245         (c_gimplify_expr): Remove EXPR_STMT case.
2246         * c-objc-common.c (c_objc_common_init): Remove stmt_codes and call
2247         to INIT_STATEMENT_CODES.
2248         * c-pretty-print.c (pp_c_statement): Just call dump_generic_node.
2249
2250 2005-04-25  Jan Hubicka  <jh@suse.cz>
2251
2252         * tree-cfg.c (tree_duplicate_bb): Duplicate EH region too.
2253
2254         * except.c: Include diagnostic.h
2255         (dump_eh_tree, verify_eh_tree): New functions.
2256         * except.h (verify_eh_tree, dump_eh_tree, verify_eh_edges): Declare.
2257         * tree-cfg.c (tree_verify_flow_info): verify eh edges.
2258         (dump_function_to_file): dump eh tree.
2259         * tree-eh.c (mark_eh_edge): New function.
2260         (mark_eh_edge_found_error): New static variable.
2261         (verify_eh_edges): New function.
2262
2263 2005-04-25  Nathan Sidwell  <nathan@codesourcery.com>
2264
2265         * tree-ssa-alias.c (fieldoff_t): Remove.
2266         (fieldoff_s): typedef the structure itself.  Create a vector of
2267         objects.
2268         (push_fields_onto_fieldstack): Return count of fields pushed.
2269         Remove peeling of first field.  Adjust.
2270         (fieldoff_compare): Adjust.
2271         (create_overlap_variables_for): Adjust.
2272
2273 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
2274
2275         * doc/invoke.texi (Blackfin Options): Avoid empty @opindex line.
2276
2277 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
2278
2279         PR bootstrap/21215
2280         * doc/install.texi: Document correct assembler and linker to use
2281         on i?86-*-solaris2.10.
2282
2283 2005-04-25  Steven Bosscher  <stevenb@suse.de>
2284
2285         Fix PR tree-optimization/21173
2286
2287         * tree-ssa-pre.c (create_expression_by_pieces): Simplify code.
2288         Unshare expression we pass to force_gimple_operand.
2289
2290 2005-04-25  J"orn Rennecke <joern.rennecke@st.com>
2291             Stephen Clarke <stevec@superh.com>
2292             Roger Sayle <roger@eyesopen.com>
2293
2294         PR rtl-optimization/20413
2295         * cfgrtl.c (redirect_edge_and_branch): Use Pmode instead of
2296         VOIDmode for LABEL_REF.
2297         * final.c (shorten_branches): Likewise.
2298         * jump.c (mark_all_labels, redirect_exp_1): Likewise.
2299         * loop.c (reg_dead_after_loop): Likewise.
2300         * varasm.c (decode_addr_const): Likewise.
2301         * doc/rtl.texi: Document mode requirement for LABEL_REF.
2302
2303 2005-04-25  Ralf Corsepius  <ralf.corsepius@rtems.org>
2304
2305         * config.gcc (avr-*-*): Remove redundant "case".
2306
2307 2005-04-25  Kazu Hirata  <kazu@cs.umass.edu>
2308
2309         * tree-vect-analyze.c (vect_mark_relevant): Take
2310         VEC(tree,heap) instead of varray_type as an argument.
2311         (vect_mark_stmts_to_be_vectorized): Change the type of
2312         worklist to VEC(tree,heap).  Adjust uses of worklist.
2313
2314 2005-04-24  Devang Patel  <dpatel@apple.com>
2315
2316         *  config/rs6000/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
2317         
2318 2005-04-24  Ian Lance Taylor  <ian@airs.com>
2319
2320         * c-semantics.c (build_stmt): Remove test of specific tree codes
2321         for TREE_SIDE_EFFECTS handling.
2322
2323 2005-04-24  Per Bothner  <per@bothner.com>
2324
2325         * c-opts.c (finish_options):  Make the line-number of the <built-in>
2326         location 0, as assumed elsewhere, rather than 1.
2327
2328 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
2329
2330         * tree-ssa-uncprop.c (equiv_stack): Change the type o
2331         VEC(tree,heap).
2332         (tree_ssa_uncprop, uncprop_finalize_block,
2333         uncprop_initialize_block): Update uses of equiv_stack.
2334
2335 2005-04-24  Richard Henderson  <rth@redhat.com>
2336
2337         PR rtl-opt/21163
2338         * simplify-rtx.c (simplify_binary_operation) <IOR>: Check
2339         for SCALAR_INT_MODE_P instead of not MODE_CC before returning
2340         constm1_rtx.
2341         <AND, LSHIFTRT, UMIN>: Use CONST0_RTX.
2342         <UDIV, UMOD>: Use CONST0_RTX and CONST1_RTX.
2343         <DIV, MOD>: Likewise.
2344
2345 2005-04-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2346
2347         * collect2.c (main): Unlock the stdio streams.
2348         * gcc.c (main): Likewise.
2349         * gcov-dump.c (main): Likewise.
2350         * gcov.c (main): Likewise.
2351         * gen-protos.c (main): Likewise.
2352         * gensupport.c (init_md_reader_args_cb): Likewise.
2353         * protoize.c (main): Likewise.
2354         * toplev.c (general_init): Likewise.
2355
2356 2005-04-24  Jakub Jelinek  <jakub@redhat.com>
2357
2358         PR middle-end/20991
2359         * cgraph.h (cgraph_local_info): Add vtable_method field.
2360         * varasm.c (mark_decl_referenced): If cgraph_global_info_ready
2361         and node is vtable_method, finalized and not reachable, don't do
2362         anything.
2363
2364 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
2365
2366         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Use
2367         COMPARISON_CLASS_P.
2368         * tree-ssa-pre.c (create_value_expr_from): Use
2369         CONSTANT_CLASS_P and REFERENCE_CLASS_P.
2370         * tree-ssa-propagate.c (stmt_makes_single_load,
2371         stmt_makes_single_store): Use REFERENCE_CLASS_P.
2372         * tree-vect-transform.c (vect_is_simple_cond): Use
2373         COMPARISON_CLASS_P.
2374         * tree-vrp.c (extract_range_from_assert,
2375         build_assert_expr_for, fp_predicate, has_assert_expr): Use
2376         COMPARISON_CLASS_P.
2377
2378         * tree-ssa-live.c (build_tree_conflict_graph): Change the type
2379         of tpa_to_clear to VEC(int,heap).  Update uses of
2380         tpa_to_clear.  Free tpa_to_clear at the end.
2381
2382 2005-04-24  Andrew Pinski  <pinskia@physics.uc.edu>
2383
2384         * tree.h (TREE_THIS_VOLATILE): Document the effect on a
2385         function decl.
2386
2387 2005-04-24  Nathan Sidwell  <nathan@codesourcery.com>
2388
2389         * config/rs6000/rs6000.c (rs6000_override_options): Use gcc_assert
2390         and gcc_unreachable as appropriate.
2391         (num_insns_constant, output_vec_const_move,
2392         build_mask64_2_operands, rs6000_output_dwarf_dtprel,
2393         rs6000_emit_set_const, rs6000_emit_move,
2394         spe_build_register_parallel, function_arg,
2395         rs6000_move_block_from_reg, altivec_expand_predicate_builtin,
2396         spe_expand_predicate_builtin, spe_expand_evsel_builtin,
2397         rs6000_expand_builtin, spe_init_builtins, altivec_init_builtins,
2398         rs6000_common_init_builtins, expand_block_clear,
2399         expand_block_move, validate_condition_mode, ccr_bit, extract_MB,
2400         extract_ME, rs6000_get_some_local_dynamic_name,
2401         rs6000_output_function_entry, print_operand,
2402         print_operand_address, rs6000_generate_compare, rs6000_emit_sCOND,
2403         output_cbranch, output_e500_flip_gt_bit,
2404         rs6000_emit_vector_compare, rs6000_emit_vector_compare,
2405         rs6000_emit_cmove, rs6000_emit_minmax, rs6000_split_multireg_move,
2406         compute_save_world_info, rs6000_stack_info,
2407         rs6000_emit_load_toc_table, rs6000_frame_related,
2408         spe_synthesize_frame_save, rs6000_emit_epilogue,
2409         rs6000_output_function_epilogue, rs6000_hash_constant, output_toc,
2410         output_function_profiler, rs6000_trampoline_size,
2411         rs6000_initialize_trampoline, find_addr_reg,
2412         rs6000_machopic_legitimize_pic_address,
2413         rs6000_initial_elimination_offset,
2414         rs6000_dbx_register_number): Likewise.
2415         * config/rs6000/rs6000.md (*fix_truncdfsi2_internal,
2416         *movdf_hardfloat32, *movdf_softfloat32, *fix_trunctfsi2_internal,
2417         *movti_power, *movti_string, call, call_value, sibcall,
2418         sibcall_value): Likewise.
2419         * config/rs6000/spe.md (*movdf_e500_double,
2420         *movv2si_internal): Likewise.
2421         * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): Remove 'abort'
2422         from comment.
2423
2424 2005-04-24  Richard Henderson  <rth@redhat.com>
2425
2426         PR target/21101
2427         * config/i386/i386.h (CANNOT_CHANGE_MODE_CLASS): Move guts to ...
2428         * config/i386/i386.c (ix86_cannot_change_mode_class): ... here.
2429         Deny modes smaller than 4 bytes.
2430         * config/i386/i386-protos.h: Update.
2431
2432 2005-04-24  Ralf Corsepius  <ralf.corsepius@rtems.org>
2433
2434         * config.gcc (h8300-*-rtems*): Add h8300-*-rtemscoff*.
2435         Switch h8300-*-rtems* to ELF.
2436
2437 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
2438
2439         * vec.h (VEC_safe_grow): Replace grow with safe_grow.
2440
2441 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
2442
2443         * ipa-inline.c, tree-ssa-operands.h: Fix comment typos.
2444
2445 2005-04-23  Richard Guenther  <rguenth@gcc.gnu.org>
2446
2447         PR middle-end/21082
2448         * fold-const.c: Fold &a[i]-&a[j] to i-j.
2449
2450 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
2451
2452         * tree-ssa-loop-niter.c (tree_simplify_using_condition): Expand simple
2453         definitions of ssa names in condition.  Split recusive part to ...
2454         (tree_simplify_using_condition_1): New function.
2455         (expand_simple_operations): New function.
2456
2457 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
2458
2459         * tree-ssa-loop-ivopts.c (struct cost_pair): Add value field.
2460         (find_interesting_uses_cond): Do not use integer_zerop and
2461         integer_nonzerop to check for integer constants.
2462         (set_use_iv_cost): Record the value field.
2463         (determine_use_iv_cost_generic, determine_use_iv_cost_address,
2464         determine_use_iv_cost_outer): Set the value field of the cost pair.
2465         (may_eliminate_iv): Do not return the comparison code.
2466         (iv_elimination_compare): New function.
2467         (determine_use_iv_cost_condition): Set the value field.  Record
2468         noneliminable invariants correctly.
2469         (rewrite_use_compare, rewrite_use_outer): Use the value field.
2470
2471 2005-04-23  DJ Delorie  <dj@redhat.com>
2472
2473         * diagnostic.c (warning): Accept parameter to classify warning option.
2474         (warning0): New, for when a pointer to an error() like function is needed.
2475         * errors.c (warning): Likewise.
2476         * errors.h (warning, warning0): Adjust prototypes.
2477         * toplev.h (warning, warning0): Likewise.
2478
2479         * attribs.c, builtins.c, c-common.c, c-decl.c, c-format.c,
2480         c-gimplify.c, c-lex.c, c-objc-common.c, c-opts.c, c-parser.c,
2481         c-pragma.c, c-typeck.c, calls.c, cgraph.c, coverage.c, emit-rtl.c,
2482         fold-const.c, fortran/trans-decl.c, function.c, gcse.c,
2483         genautomata.c, haifa-sched.c, opts.c, passes.c, regclass.c,
2484         reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
2485         tree-dump.c, tree-inline.c, tree-mudflap.c, tree-optimize.c,
2486         tree-ssa.c, tree.c, varasm.c: Adjust warning() callers.
2487
2488         * config/alpha/alpha.c, config/arc/arc.c, config/arm/arm.c,
2489         config/avr/avr.c, config/bfin/bfin.c, config/c4x/c4x-c.c,
2490         config/c4x/c4x.c, config/cris/cris.c, config/darwin-c.c,
2491         config/darwin.c, config/darwin.h, config/h8300/h8300.c,
2492         config/i386/cygming.h, config/i386/djgpp.h, config/i386/i386.c,
2493         config/i386/winnt.c, config/ia64/ia64-c.c, config/ia64/ia64.c,
2494         config/ip2k/ip2k.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c,
2495         config/m68k/m68k.c, config/mcore/mcore.c, config/mips/mips.c,
2496         config/mmix/mmix.c, config/ns32k/ns32k.c, config/pa/pa-hpux11.h,
2497         config/pa/pa.c, config/rs6000/aix43.h, config/rs6000/aix51.h,
2498         config/rs6000/aix52.h, config/rs6000/darwin.h,
2499         config/rs6000/rs6000-c.c, config/rs6000/rs6000.c,
2500         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
2501         config/sh/symbian.c, config/sol2-c.c, config/sol2.c,
2502         config/stormy16/stormy16.c, config/v850/v850-c.c,
2503         config/v850/v850.c, config/xtensa/xtensa.c: Adjust warning()
2504         callers.
2505         
2506 2005-04-23  Richard Henderson  <rth@redhat.com>
2507
2508         PR rtl-opt/21102
2509         * simplify-rtx.c (simplify_binary_operation): Fix mode check before
2510         performing some integral scalar simplifications.
2511
2512 2005-04-23  Richard Henderson  <rth@redhat.com>
2513
2514         PR target/21099
2515         * config/i386/i386.c (ix86_split_to_parts): Use proper mode when
2516         simplifying CONST_VECTOR.
2517
2518 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
2519
2520         * tree-ssa-live.c (live_worklist): Take a stack allocated on
2521         heap as an argument.  Update uses of stack.
2522         (calculate_live_on_entry): Allocate stack on heap.
2523
2524         * tree-ssa-live.c (build_tree_conflict_graph): Allocate
2525         partition_link and tpa_nodes on heap.
2526
2527         * tree-ssa-dce.c (worklist): Change to VEC(tree,heap).
2528         (mark_stmt_necessary, propagate_necessity,
2529         mark_really_necessary_kill_operand_phis): Update uses of
2530         worklist.
2531         (tree_dce_init): Allocate worklist using VEC_alloc.
2532         (tree_dce_done): Free worklist using VEC_free.
2533
2534 2005-04-23  Mike Stump  <mrs@apple.com>
2535
2536         * config/darwin.c (machopic_indirection_name): Don't use
2537         quotes needlessly.
2538         (darwin_emit_unwind_label): Use user_label_prefix instead of
2539         "_".
2540
2541 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
2542
2543         * final.c, ipa-inline.c, varasm.c: Fix comment typos.
2544
2545 2005-04-23  Hans-Peter Nilsson  <hp@axis.com>
2546
2547         * config.gcc <cris-*>: Specify .opt files.
2548         * config/cris/cris.opt, config/cris/elf.opt, config/cris/aout.opt,
2549         config/cris/linux.opt: New files.
2550         * config/cris/aout.h (CRIS_SUBTARGET_SWITCHES)
2551         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
2552         (TARGET_ELF): Override to 0.
2553         (CRIS_SUBTARGET_HANDLE_OPTION): Override to handle -melinux and
2554         -melinux-stacksize=N.
2555         * config/cris/cris.c: (cris_handle_option): New function.
2556         (TARGET_DEFAULT_TARGET_FLAGS): Override.
2557         (TARGET_HANDLE_OPTION): Override to cris_handle_option.
2558         (cris_override_options): Use MASK_*, not TARGET_MASK_*.
2559         * config/cris/cris.h (TARGET_MASK_SVINTO, TARGET_SVINTO,
2560         (TARGET_MASK_CCINIT, TARGET_CCINIT, TARGET_MASK_PDEBUG)
2561         (TARGET_PDEBUG, TARGET_MASK_SIDE_EFFECT_PREFIXES)
2562         (TARGET_SIDE_EFFECT_PREFIXES, TARGET_MASK_EXPAND_MUL)
2563         (TARGET_EXPAND_MUL, TARGET_MASK_STACK_ALIGN, TARGET_STACK_ALIGN)
2564         (TARGET_MASK_CONST_ALIGN, TARGET_CONST_ALIGN)
2565         (TARGET_MASK_DATA_ALIGN, TARGET_DATA_ALIGN)
2566         (TARGET_MASK_PROLOGUE_EPILOGUE, TARGET_PROLOGUE_EPILOGUE)
2567         (TARGET_MASK_ETRAX4_ADD, TARGET_ETRAX4_ADD)
2568         (TARGET_MASK_ALIGN_BY_32, TARGET_ALIGN_BY_32, TARGET_MASK_ELF)
2569         (TARGET_ELF, TARGET_MASK_LINUX, TARGET_LINUX)
2570         (TARGET_MASK_AVOID_GOTPLT, TARGET_AVOID_GOTPLT)
2571         (TARGET_MASK_MUL_BUG, TARGET_MUL_BUG, TARGET_SWITCHES)
2572         (CRIS_SUBTARGET_SWITCHES, TARGET_OPTIONS)
2573         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
2574         (TARGET_LINUX): Define 0.
2575         (TARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
2576         (CRIS_SUBTARGET_DEFAULT): Define to 0, not TARGET_MASK_ELF.
2577         (CRIS_SUBTARGET_DEFAULT): New empty default macro.
2578         * config/cris/linux.h (CRIS_SUBTARGET_SWITCHES): Don't define.
2579         (TARGET_LINUX): Override to 1.
2580         (CRIS_SUBTARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
2581
2582 2005-04-23  Nathan Sidwell  <nathan@codesourcery.com>
2583
2584         * haifa-sched.c (schedule_block): Fix thinko in previous
2585         assertification patch.
2586
2587 2005-04-23  Richard Sandiford  <rsandifo@redhat.com>
2588
2589         * config.gcc (hppa[12]*-*-hpux10*): Add pa/pa-hpux.opt to
2590         $extra_options.  Also add pa/pa-hpux1010.opt for hpux10.[1-9]*.
2591         (hppa*64*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
2592         pa/pa-hpux.opt, pa/pa-hpux1010.opt and pa/pa64-hpux.opt to
2593         $extra_options.  Also add pa/pa-hpux1111.opt for hpux11.[1-9]*.
2594         (hppa[12]*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
2595         pa/pa-hpux.opt to $extra_options.  Also add pa/pa-hpux1111.opt
2596         for hpux11.[1-9]*.
2597         * config/pa/pa.h (architecture_type, rtx_def, pa_arch_string, pa_arch)
2598         (pa_fixed_range_string, pa_cpu_string, pa_unix_string, target_flags)
2599         (MASK_PA_11, MASK_DISABLE_FPREGS, TARGET_DISABLE_FPREGS)
2600         (MASK_NO_SPACE_REGS, TARGET_NO_SPACE_REGS, MASK_JUMP_IN_DELAY)
2601         (TARGET_JUMP_IN_DELAY, MASK_DISABLE_INDEXING, TARGET_DISABLE_INDEXING)
2602         (MASK_PORTABLE_RUNTIME, TARGET_PORTABLE_RUNTIME, MASK_GAS, TARGET_GAS)
2603         (MASK_SOFT_FLOAT, TARGET_SOFT_FLOAT, MASK_LONG_LOAD_STORE)
2604         (TARGET_LONG_LOAD_STORE, MASK_FAST_INDIRECT_CALLS)
2605         (TARGET_FAST_INDIRECT_CALLS, MASK_BIG_SWITCH, TARGET_BIG_SWITCH)
2606         (MASK_PA_20, MASK_SIO, TARGET_SIO, MASK_GNU_LD, TARGET_GNU_LD)
2607         (MASK_LONG_CALLS, TARGET_LONG_CALLS, TARGET_PA_11, TARGET_PA_20)
2608         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS)
2609         (SUBTARGET_OPTIONS): Delete.
2610         (TARGET_PA_10): Redefine in terms of TARGET_PA_11 and TARGET_PA_20.
2611         (TARGET_SCHED_DEFAULT): Define to a PROCESSOR_* enum (PROCESSOR_8000)
2612         instead of a string.
2613         * config/pa/pa.c (pa_arch, pa_arch_string, pa_fixed_range_string)
2614         (pa_cpu_string, pa_unix_string): Delete.
2615         (pa_cpu): Initialize to TARGET_SCHED_DEFAULT.
2616         (flag_pa_unix): Initialize based on TARGET_HPUX_11_11 and
2617         TARGET_HPUX_10_10.
2618         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2619         (pa_handle_option): New function.
2620         (override_options): Remove handling of -march=, -mfixed-range=,
2621         -mschedule= and -munix=.
2622         * config/pa/pa-hpux.h (SUBTARGET_SWITCHES): Delete.
2623         * config/pa/pa-hpux1010.h (SUBTARGET_OPTIONS): Delete.
2624         * config/pa/pa-hpux10.h (SUBTARGET_OPTIONS): Delete.
2625         * config/pa/pa-hpux1111.h (SUBTARGET_OPTIONS): Delete.
2626         * config/pa/pa-hpux11.h (SUBTARGET_OPTIONS): Delete.
2627         * config/pa/pa64-hpux.h (SUBTARGET_SWITCHES): Delete.
2628         * config/pa/pa64-start.h (TARGET_PA_11, TARGET_PA_20): #undef before
2629         redefining.
2630         * config/pa/pa.opt: New file.
2631         * config/pa/pa-hpux.opt: New file.
2632         * config/pa/pa-hpux1010.opt: New file.
2633         * config/pa/pa-hpux1111.opt: New file.
2634         * config/pa/pa64-hpux.opt: New file.
2635
2636 2005-04-22  David S. Miller  <davem@davemloft.net>
2637
2638         * rtl.h (CONST_DOUBLE): Fix comment, a CONST_DOUBLE holds an
2639         integer when it's mode is VOIDmode not DImode.
2640
2641 2005-04-22  Geoffrey Keating  <geoffk@apple.com>
2642
2643         * config/rs6000/rs6000.md (sync_add<mode>_internal,
2644         sync_addshort_internal, sync_sub<mode>_internal, sync_andsi_internal,
2645         sync_anddi_internal, sync_boolsi_internal, sync_booldi_internal,
2646         sync_boolc<mode>_internal, sync_boolc<mode>_internal2,
2647         sync_boolcc<mode>_internal, sync_lock_test_and_set<mode>): Use
2648         "bne- $-xxx" rather than local labels.
2649         (sync_lock_release<mode>): Add second operand.
2650         (lwsync): Use .long rather than a more meaningful opcode.
2651         * doc/md.texi (Standard Names): Add description of second
2652         parameter to sync_lock_test_and_set.
2653
2654 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
2655
2656         PR tree-optimization/21088
2657         * fold-const.c (fold_unary, fold_binary, fold_ternary):
2658         Export.
2659         * tree-vrp.c (compare_values): Use fold_binary to compare
2660         pointers.  Use boolean_type_node as the type of a comparison
2661         expression being folded.
2662         * tree.h: Add prototypes for fold_unary, fold_binary,
2663         fold_ternary.
2664
2665         * tree-ssa-dom.c: Fix formatting.
2666
2667 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
2668
2669         * Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H.
2670         * lambda-code.c (perfect_nestify): Mark virtual operands in
2671         the moved statement for renaming.
2672         * params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define.
2673         (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
2674         * params.h (MIN_VIRTUAL_MAPPINGS): Define.
2675         (VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
2676         * tree-flow.h (struct var_ann_d): Update comments.
2677         (rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names,
2678         allocate_ssa_names, find_phi_node_for, dump_tree_ssa,
2679         debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats,
2680         debug_tree_ssa_stats, rewrite_ssa_into_ssa,
2681         dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by,
2682         debug_names_replaced_by): Remove declarations.
2683         (delete_update_ssa, get_current_def, set_current_def): Declare.
2684         (rewrite_into_loop_closed_ssa): Add new argument.  Update
2685         all callers.
2686         * tree-into-ssa.c: Include params.h.
2687         (old_virtual_ssa_names): Remove.  Update all users.
2688         (need_to_replace_names_p): Remove.  Update all users.
2689         (struct update_ssa_stats_d): Declare.
2690         (update_ssa_stats): New local.
2691         (dump_tree_ssa, debug_tree_ssa, debug_def_blocks,
2692         dump_tree_ssa_stats, debug_tree_ssa_stats,
2693         dump_update_ssa, debug_update_ssa,
2694         dump_names_replaced_by, debug_names_replaced_by): Declare.
2695         (get_current_def, set current_def): Make extern.
2696         (is_old_name, is_new_name): Protect against references
2697         past the end of the sets.
2698         (add_new_name_mapping): Assert that OLD and NEW are
2699         different SSA names for the same symbol.
2700         When adding a virtual mapping, update stats for virtual
2701         mapping heuristic.
2702         (insert_phi_nodes_for): If UPDATE_P is true, create the
2703         LHS of the new PHI by duplicating SSA name VAR.
2704         (insert_phi_nodes_1): Remove.  Update all users.
2705         (insert_phi_nodes): Remove second argument.  Update all
2706         users.
2707         (maybe_replace_use, maybe_replace_def): New.
2708         (rewrite_update_stmt): Call them.
2709         (mark_def_interesting): Remove calls to is_gimple_reg.
2710         (prepare_phi_args_for_update): Remove.  Update all users.
2711         (prepare_block_for_update): Only process virtual operands
2712         and GIMPLE registers in normal form.
2713         (prepare_use_sites_for): New.
2714         (prepare_names_to_update): Rename from prepare_def_sites.
2715         Call prepare_use_sites_for.
2716         (dump_update_ssa): Rename from dump_repl_tbl.
2717         Update all users.
2718         Show statistics for virtual mapping heuristic.
2719         (debug_update_ssa): Rename from debug_debug_repl_tbl.
2720         (init_update_ssa): Initialize UPDATE_SSA_STATS.
2721         (delete_update_ssa): Make extern.
2722         (mark_set_for_renaming): If the set is empty, do nothing.
2723         (release_ssa_name_after_update_ssa): Update comment.
2724         (insert_updated_phi_nodes_for): Do not remove existing
2725         PHI nodes for symbols.
2726         (switch_virtuals_to_full_rewrite_p): New.
2727         (switch_virtuals_to_full_rewrite): New.
2728         (update_ssa): Call them.
2729         Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT
2730         for every statement before updating.
2731         If all the names in NEW_SSA_NAMES have been marked for
2732         removal, do nothing.
2733         Only start at the top of the CFG if there are symbols in
2734         SYMS_TO_RENAME.
2735         (ssa_rewrite_finalize_block): Remove.
2736         (ssa_register_new_def): Remove.
2737         (ssa_rewrite_stmt): Remove.
2738         (ssa_rewrite_phi_arguments): Remove.
2739         (ssa_rewrite_initialize_block): Remove.
2740         (ssa_mark_def_sites): Remove.
2741         (ssa_mark_def_sites_initialize_block): Remove.
2742         (ssa_mark_phi_uses): Remove.
2743         (rewrite_ssa_into_ssa): Remove.
2744         * tree-phinodes.c (find_phi_node_for): Remove.
2745         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
2746         Call update_ssa.
2747         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops):
2748         Remove calls to verify_dominators and
2749         verify_loop_structure.
2750         (tree_unswitch_single_loop): Call update_ssa.
2751         * tree-ssa.c (verify_ssa): Assert that need_ssa_update_p
2752         returns false.
2753         Call verify_stmts.
2754         (delete_tree_ssa): Assert that need_ssa_update_p returns
2755         false.
2756         * tree-vect-transform.c (vect_transform_loop): Call update_ssa.
2757         * tree-vectorizer.c (allocate_new_names, rename_def_op,
2758         free_new_names): Remove.  Update all users.
2759         (rename_use_op): Call get_current_def.
2760         (rename_variables_in_bb): Do not handle any real or
2761         virtual definition.
2762         (slpeel_update_phis_for_duplicate_loop): Call
2763         get_current_def and set_current_def instead of using
2764         SSA_NAME_AUX.
2765         (slpeel_update_phi_nodes_for_guard2): Reformat comments.
2766         (slpeel_can_duplicate_loop_p): Call need_ssa_update_p,
2767         ssa_names_to_replace and delete_update_ssa.
2768         * doc/invoke.texi: Document --param min-virtual-mappings
2769         and --param virtual-mappings-ratio.
2770
2771 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
2772
2773         * tree-cfg.c (tree_duplicate_bb): Call create_new_def_for
2774         for newly created PHI nodes.
2775         Call create_new_def_for for every new V_MAY_DEF and
2776         V_MUST_DEF on the copied statement.
2777         (struct ssa_name_map_entry): Remove.
2778         (ssa_name_map_entry_hash): Remove.
2779         (ssa_name_map_entry_eq): Remove.
2780         (allocate_ssa_names): Remove.
2781         (rewrite_to_new_ssa_names_def): Remove.
2782         (rewrite_to_new_ssa_names_use): Remove.
2783         (rewrite_to_new_ssa_names_bb): Remove.
2784         (rewrite_to_new_ssa_names): Remove.
2785         (tree_duplicate_sese_region): Remove variables ver,
2786         definitions, phi, ssa_name_map and bi.
2787         Call need_ssa_update_p instead of any_marked_for_rewrite_p.
2788         Call update_ssa.
2789         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
2790         update_ssa instead of rewrite_ssa_into_ssa.
2791         * tree-ssa-loop-manip.c (add_exit_phis_edge): Call
2792         create_new_def_for.
2793         (find_uses_to_rename_use): Add argument 'need_phis'.
2794         (find_uses_to_rename_stmt): Do not scan virtual operands.
2795         (find_uses_to_rename): Only scan PHI nodes for
2796         non-virtual names.
2797         (rewrite_into_loop_closed_ssa): Call update_ssa.
2798         (check_loop_closed_ssa_use): Ignore virtual operands.
2799         (check_loop_closed_ssa_stmt): Likewise.
2800         (verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is
2801         NULL.
2802         (rename_variables, set_phi_def_stmts): Remove.
2803         (tree_duplicate_loop_to_header_edge): Reformat comment.
2804         Remove variables BB, I and DEFINITIONS.
2805         Call need_ssa_update_p.
2806         Call update_ssa.
2807         (lv_adjust_loop_header_phi): Reformat comment.
2808         * tree-ssanames.c (ssa_names_to_rewrite): Remove.
2809         (marked_for_rewrite_p, any_marked_for_rewrite_p,
2810         mark_for_rewrite, unmark_all_for_rewrite,
2811         marked_ssa_names): Remove.  Update all users.
2812         (release_ssa_name): If VAR has been registered for SSA
2813         updating, do nothing.
2814         * tree-vrp.c (new_ssa_names, old_ssa_names): Remove.
2815         (build_assert_expr_for): Call register_new_name_mapping.
2816         (insert_range_assertions): Update call to update_ssa.
2817         * tree.h (mark_for_rewrite, unmark_all_for_rewrite,
2818         marked_for_rewrite_p, any_marked_for_rewrite_p,
2819         marked_ssa_names): Remove.
2820
2821 2005-04-22  Jeff Law  <law@redhat.com>
2822
2823         * tree-ssa-dom.c (block_defs_stack): Remove, no longer needed.
2824         (restore_currdefs_to_original_value): Likewise.
2825         (register_definitions_for_stmt): Likewise.
2826         (tree_ssa_dominator_optimize): No longer initialize CURRENT_DEF
2827         for each variable.  Do not allocate/free block_defs_stack either.
2828         Do not iterate if we just thread jumps.  Only iterate if the
2829         tree_cleanup_cfg does useful work (temporary).
2830         (dom_opt_initialize_block): No longer push a marker on
2831         BLOCK_DEFS_STACK.
2832         (dom_opt_finalize_block): Removal call to restore currdefs.
2833         Relax restrictions for recording edge equivalences.
2834         (record_equivalences_from_phis): No longer need to track
2835         CURRENT_DEF.
2836         (optimize_stmt): Similarly.
2837         (thread_across_edge): Simplify by removing the requirement that
2838         statements in the block we are threading through must be nops.
2839         (initialize_hash_element): Handle GOTO_EXPR.
2840
2841 2005-04-22  David S. Miller  <davem@davemloft.net>
2842
2843         * sched-vis.c (print_value): Use CONST_DOUBLE_LOW and
2844         CONST_DOUBLE_HIGH.
2845         * config/sparc/sparc.c (sparc_rtx_costs): Likewise, and
2846         fix check on CONST_DOUBLE mode.  It should be VOIDmode
2847         when it is representing an integer.
2848
2849 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
2850
2851         * builtins.c (gimplify_va_arg_expr): Reword comments to avoid
2852         'abort'. Use gcc_assert and gcc_unreachable as appropriate.
2853         * c-format.c (get_constant, decode_format_attr, get_flag_spec, 
2854         find_char_info_specifier_index,
2855         find_length_info_modifier_index): Likewise.
2856         * c-typeck.c (composite_type, pop_init_level): Likewise.
2857         * combine.c (cant_combine_insn_p, try_combine): Likewise.
2858         * cse.c (cse_insn): Likewise
2859         * dominance.c (calc_dfs_tree): Likewise
2860         dwarf2out.c (loc_descriptor_from_tree_1,
2861         add_abstract_origin_attribute, force_decl_die,
2862         force_type_die): Likewise
2863         emit-rtl.c (operand_subword_force): Likewise
2864         explow.c (hard_function_value): Likewise
2865         expmed.c (store_bit_field, expand_divmod,
2866         emit_store_flag_force): Likewise
2867         expr.c (emit_move_multi_word, store_expr,
2868         expand_expr_real_1): Likewise
2869         final.c (this_is_asm_operands, shorten_branches, final_scan_insn,
2870         output_operand): Likewise
2871         flow.c (recompute_reg_usage): Likewise
2872         * function.c (assign_stack_temp_for_type, assign_temp, 
2873         handle_epilogue_set): Likewise
2874         * genextract.c (main): Likewise
2875         * gimplify.c (mostly_copy_tree_r, gimplify_return_expr,
2876         gimplify_modify_expr_rhs, gimplify_expr): Likewise
2877         * haifa-sched.c (ready_lastpos, ready_remove_first, ready_element,
2878         ready_remove, rm_line_notes, rm_other_notes,
2879         schedule_block): Likewise
2880         mips-tfile.c (copy_object, out_of_bounds): Likewise
2881
2882 2005-04-22 David Edelsohn  <edelsohn@gnu.org>
2883
2884         PR target/20813
2885         * config/rs6000/default64.h (TARGET_DEFAULT): Add MASK_PPC_GFXOPT.
2886         * config/rs6000/rs6000.c (processor_target_table): Rename rs64a to
2887         rs64.  Add MASK_PPC_GFXOPT to powerpc64 and rs64.
2888         (rs6000_init_libfuncs): Set TFmode optabs to xlq names if
2889         TARGET_XL_COMPAT.
2890         * doc/invoke.texi (PowerPC options): Change rs64a to rs64.
2891
2892 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
2893
2894         * lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap).
2895         (gcc_tree_to_linear_expression): Convert to heap allocated
2896         vectors.
2897         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
2898         lbv_to_gcc_expression, lle_to_gcc_expression,
2899         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest, 
2900         perfect_nestify): Likewise.
2901         lambda.h (gcc_loopnest_to_lambda_loopnest,
2902         lambda_loopnest_to_gcc_loopnest): Likewise.
2903         tree-loop-linear.c (linear_transform_loops): Likewise.
2904
2905 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
2906
2907         * config/sparc/predicates.md (arith_double_operand): Use
2908         trunc_int_for_mode if HOST_BITS_PER_WIDE_INT >=64.
2909         * config/sparc/sparc.md (movqi, movhi, movsi, movqi): Use gen_int_mode.
2910         (DImode, DFmode constant splitters): Likewise.  Remove code for
2911         TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT < 64.
2912         (logical constant splitters): Use const_int_operand predicate.
2913         (lshrsi3_extend): Remove code for TARGET_ARCH64 &&
2914         HOST_BITS_PER_WIDE_INT < 64.
2915
2916 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
2917
2918         * config/pa/pa.c (legitimize_pic_address): Use gcc_assert and
2919         gcc_unreachable as appropriate.
2920         (force_mode, emit_move_sequence, singlemove_string,
2921         output_move_double, output_fp_move_double, find_addr_reg,
2922         output_block_move, output_block_clear, output_and,
2923         output_64bit_and, output_ior, output_64bit_ior, store_reg_modify,
2924         pa_adjust_cost, pa_issue_rate, print_operand,
2925         output_global_address, output_arg_descriptor, output_cbranch,
2926         output_lbranch, output_bb, output_bvb, output_dbra, output_movb,
2927         output_call): Likewise.
2928         * config/pa/pa.md (call, call_value, sibcall, sibcall_value,
2929         prefetch, prefetch_cc, prefetch_nocc): Likewise.
2930
2931 2005-04-22  Zdenek Dvorak  <dvorakz@suse.cz>
2932
2933         * Makefile.in (LIBGCOV): Add _gcov_interval_profiler,
2934         _gcov_pow2_profiler and _gcov_one_value_profiler.
2935         (tree-profile.o): Add GGC_H and gt-tree-profile.h dependency.
2936         (GTFILES): Add $(srcdir)/tree-profile.c.
2937         * gcov-io.h (__gcov_interval_profiler, __gcov_pow2_profiler,
2938         __gcov_one_value_profiler): Declare.
2939         * gimplify.c (force_gimple_operand): Check whether the statements
2940         should be produced in ssa form.
2941         (force_gimple_operand_bsi): New function.
2942         * libgcov.c (__gcov_interval_profiler, __gcov_pow2_profiler,
2943         __gcov_one_value_profiler): New functions.
2944         * rtl-profile.c (rtl_gen_pow2_profiler): Only measure whether
2945         the profiled value is a power of two or not.
2946         * tree-cfg.c (tree_block_ends_with_condjump_p): Handle empty blocks.
2947         * tree-flow.h (in_ssa_p): Declare.
2948         (force_gimple_operand_bsi): Declare.
2949         * tree-into-ssa.c (in_ssa_p): New variable.
2950         (rewrite_into_ssa): Set in_ssa_p.
2951         * tree-outof-ssa.c (rewrite_out_of_ssa): Set in_ssa_p.
2952         * tree-profile.c: Include ggc.h and gt-tree-profile.h.
2953         (gcov_type_node, tree_interval_profiler_fn, tree_pow2_profiler_fn,
2954         tree_one_value_profiler_fn): New variables.
2955         (tree_init_edge_profiler): Initialize the profiler function decls.
2956         (tree_gen_edge_profiler): Use global gcov_type_node.
2957         (prepare_instrumented_value): New function.
2958         (tree_gen_interval_profiler, tree_gen_interval_profiler,
2959         tree_gen_one_value_profiler): Call the library functions instead of
2960         creating instrumentation code.
2961         * tree.c (build_fn_decl): New function.
2962         * tree.h (build_fn_decl): Declare.
2963         * value-prof.c (rtl_divmod_values_to_profile,
2964         rtl_find_values_to_profile, rtl_mod_pow2_value_transform,
2965         tree_mod_pow2_value_transform, tree_find_values_to_profile):
2966         Do not handle may_be_other and precise values of exponents at pow2
2967         profiler.
2968         (tree_mod_subtract_transform): Reflect that value field of
2969         histogram has changed meaning.
2970         (tree_divmod_values_to_profile): Record the values correctly.
2971         (tree_values_to_profile): Update comment.
2972         * value-prof.h (struct histogram_value_t): Remove pow2 data.
2973
2974 2005-04-22  Joseph S. Myers  <joseph@codesourcery.com>
2975
2976         * varasm.c (do_assemble_alias): Return early if TREE_ASM_WRITTEN
2977         (decl).
2978
2979 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
2980
2981         * config/i386/i386.md (length_immediate): Use gcc_assert or
2982         gcc_unreachable, as appropriate.
2983         (*movsi_1, *movqi_1, reload_outqi, *movdi_1_rex64, *pushsf,
2984         *pushsf_rex64, *truncxfsf2_mixed, *truncxfsf2_i387,
2985         *truncxfdf2_mixed, *truncxfdf2_i387, *adddi_1_rex64,
2986         *adddi_2_rex64, *adddi_3_rex64, *adddi_4_rex64, *adddi_5_rex64,
2987         *addsi_1, addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
2988         *addsi_3_zext, *addsi_4, *addsi_5, *addhi_1_lea, *addhi_1,
2989         *addhi_2, *addhi_3, *addhi_4, *addhi_5, *addqi_1_lea, *addqi_1,
2990         *addqi_1_slp, *addqi_2, *addqi_3, *addqi_4, *addqi_5, addqi_ext_1,
2991         *addqi_ext_1_rex64, *anddi_1_rex64, *andsi_1, *andhi_1,
2992         *ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashlsi3_1, *ashlsi3_1_zext,
2993         *ashlsi3_cmp, *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1,
2994         *ashlhi3_cmp, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
2995         pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64,
2996         pro_epilogue_adjust_stack_rex64_2, prefetch, *prefetch_sse,
2997         *prefetch_sse_rex): Likewise.
2998         * config/i386/predicates.md (x86_64_immediate_operand,
2999         x86_64_zext_immediate_operand, symbolic_operand,
3000         no_seg_address_operand, aligned_operand,
3001         memory_displacement_operand): Likewise.
3002         * config/i386/sse.md (*mov<mode>_internal,
3003         *movv2df_internal): Likewise.
3004
3005 2005-04-22  Jan Hubicka  <jh@suse.cz>
3006
3007         * Makefile.in (ipa.o, ipa-inline.o): New files.
3008         * cgraph.h (cgraph_remove_unreachable_nodes, cgraph_postorder,
3009         cgraph_decide_inlining_incrementally, cgraph_clone_inlined_nodes,
3010         cgraph_mark_inline_edge, cgraph_default_inline_p): Declare.
3011         * cgraphunit.c (cgraph_default_inline_p,
3012         cgraph_decide_inlining_incrementally,  ncalls_inlined,
3013         nfunctions_inlined, initial_insns, overall_insns, 
3014         cgraph_estimate_size_after_inlining, cgraph_estimate_growth,
3015         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
3016         cgraph_mark_inline, cgraph_check_inline_limits,
3017         cgraph_default_inline_p, cgraph_recursive_inlining_p,
3018         update_callee_keys, lookup_recursive_calls,
3019         cgraph_decide_recursive_inlining, cgraph_set_inline_failed,
3020         cgraph_decide_inlining_of_small_functions, cgraph_decide_inlining,
3021         cgraph_decide_inlining_incrementally, cgraph_gate_inlining,
3022         pass_ipa_inline): Move to ipa-inline.c
3023         (cgraph_postorder, cgraph_remove_unreachable_nodes): Move to ipa.c
3024         * ipa.c: New file.
3025         * ipa-inline.c: New file.
3026
3027 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
3028
3029         * doc/invoke.texi (SPARC options): Document that -mapp-regs
3030         is turned off by default on Solaris.
3031
3032 2005-04-21  Roger Sayle  <roger@eyesopen.com>
3033
3034         * c-common.h (objc_build_method_signature): Update prototype.
3035         * stub-objc.c (objc_build_method_signature): Update the stub
3036         implementation to accept and ignore additional parameter.
3037         * c-parser.c (c_parser_objc_method_decl): Reorgnize to pass
3038         the value of ellipsis to objc_build_method_signature instead
3039         of setting TREE_OVERFLOW on the parms TREE_LIST node.
3040
3041 2005-04-21  Geoffrey Keating  <geoffk@apple.com>
3042
3043         * config/rs6000/rs6000-protos.h (rs6000_emit_sync): New.
3044         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Use
3045         gen_rtx_* not gen_rtx_fmt_*.
3046         (rs6000_emit_vector_select): Likewise.
3047         (rs6000_emit_sync): New.
3048         * config/rs6000/rs6000.md (GPR, INT, INT1): New mode macros.
3049         (larx, stcx, cmp): New mode substitutions.
3050         (UNSPEC_SYNC, UNSPEC_SYNC_OP, UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC,
3051         UNSPEC_ISYNC): New constants.
3052         (rlwinm): Give name.
3053         (memory_barrier, isync, lwsync): New insns.
3054         (sync_compare_and_swap<mode>, sync_lock_test_and_set<mode>): New insn.
3055         (sync_lock_release<mode>): New expander.
3056         (sync_add<mode>, sync_sub<mode>, sync_ior<mode>, sync_and<mode>,
3057         sync_xor<mode>, sync_nand<mode>, sync_old_add<mode>,
3058         sync_old_sub<mode>, sync_old_ior<mode>, sync_old_and<mode>,
3059         sync_old_xor<mode>, sync_old_nand<mode>, sync_new_add<mode>,
3060         sync_new_sub<mode>, sync_new_ior<mode>, sync_new_and<mode>,
3061         sync_new_xor<mode>, sync_new_nand<mode>): New expanders.
3062         (sync_add<mode>_internal, sync_addshort_internal,
3063         sync_sub<mode>_internal, sync_andsi_internal, sync_anddi_internal,
3064         sync_boolsi_internal, sync_booldi_internal, sync_boolc<mode>_internal,
3065         sync_boolc<mode>_internal2, sync_boolcc<mode>_internal): New insns.
3066
3067         * doc/md.texi (Standard Names): sync_compare_and_swap's operand 0
3068         is the memory before, not after, the operation.  Clarify
3069         barrier requirements.
3070
3071 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
3072
3073         * cfghooks.h (struct cfg_hooks): Reword comments to avoid 'abort'.
3074         * lambda.h (lambda_vector_min_nz): Likewise.
3075         * langhooks.h (struct lang_hooks_for_types,
3076         struct lang_hooks): Likewise.
3077         * output.h (assemble_integer, this_is_asm_operands): Likewise.
3078         * tree.h: Likewise.
3079         * vec.h: Likewise.
3080         * tree-flow-inline.h (relink_imm_use): Use gcc_assert.
3081         
3082         * optabs.c (prepare_cmp_insn, emit_cmp_and_jump_insns): Reword
3083         comments to avoid 'abort'.  Use gcc_assert as necessary.
3084         * opts.c (common_handle_option): Likewise.
3085         * pretty-print.c (pp_base_format_text): Likewise.
3086         * print-rtl.c (print_rtx): Likewise.
3087         * read-rtl.c (read_rtx_filename, read_rtx_1): Likewise.
3088         * regmove.c (try_auto_increment): Likewise.
3089         * reload.c (find_valid_class, find_reloads_toplev,
3090         find_equiv_reg): Likewise.
3091         * reload1.c (reload, forget_old_reloads_1, function_invariant_p, 
3092         merge_assigned_reloads): Likewise.
3093         * tree-inline.c (inline_forbidden_p_1,
3094         estimate_num_insns_1): Likewise.
3095         * tree-optimize.c (execute_todo): Likewise.
3096         * tree-outof-ssa.c (eliminate_phi): Likewise.
3097         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
3098         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Likewise.
3099         * tree-ssa-operands.c (parse_ssa_operands,
3100         get_indirect_ref_operands, create_ssa_artficial_load_stmt): Likewise.
3101         * tree-ssa-pre.c (find_or_generate_expression): Likewise.
3102         * tree-ssanames.c (release_ssa_name): Likewise.
3103         * tree.c (int_bit_position, int_byte_position, tree_low_cst, 
3104         walk_tree): Likewise.
3105
3106         * tree-ssa-operands.c (verify_abort): Fold into ..
3107         (verify_imm_links): ... here.
3108
3109 2005-04-21  Richard Henderson  <rth@redhat.com>
3110
3111         * config/alpha/sync.md (sync_new_nand<I48MODE>): Fix constraints
3112         on non-memory operand for previous inversion.
3113
3114 2005-04-21  Devang Patel  <dpatel@apple.com>
3115
3116         PR optimization/20994
3117         * tree-if-conv.c (find_phi_replacement_condition): Avoid generating
3118         x = !(a == b) : p , q;.
3119         (pass_if_conversion): Verify stmts and flow.
3120         
3121 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
3122
3123         * optabs.c (gen_conditional_trap): Restore #define.
3124
3125         * alias.c (true_dependence): Remove 'abort' from comments. Use
3126         gcc_assert and gcc_unreachable as appropriate.
3127         (canon_true_dependence): Likewise.
3128         * bb-reorder.c (connect_traces): Likewise.
3129         * c-common.c (c_add_case_label): Likewise.
3130         * c-decl.c (finish_function): Likewise.
3131         * caller-save.c (insert_restore, insert_save): Likewise.
3132         * cfg.c (update_bb_profile_for_threading): Likewise.
3133         * cfganal.c (flow_active_insn_p): Likewise.
3134         * cfgexpand.c (add_reg_br_prob_note): Likewise.
3135         * cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
3136         cfg_layout_merge_blocks): Likewise.
3137         * ifcvt.c (cond_exec_process_insns, merge_if_block,
3138         find_if_block): Likewise.
3139         * integrate.c (allocate_initial_values): Likewise.
3140         * jump.c (reverse_condition, reverse_condition_maybe_unordered,
3141         swap_condition, unsigned_condition, signed_condition,
3142         mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
3143         reg_or_subregno): Likewise.
3144         * lambda-code.c (lambda_compute_auxillary_space,
3145         lambda_transform_legal_p): Likewise.
3146         * lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
3147         * langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
3148         lhd_incomplete_type_error, lhd_expand_expr,
3149         lhd_types_compatible_p, lhd_tree_size): Likewise.
3150         * lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
3151         * local-alloc.c (update_equiv_regs): Likewise.
3152         * loop-unroll.c (peel_loop_completely
3153         unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
3154         peel_loop_simple, unroll_loop_stupid,
3155         analyze_iv_to_split_insn): Likewise.
3156         * loop.c (gen_prefetch, find_and_verify_loops,
3157         basic_induction_var): Likewise.
3158         * modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
3159         * value-prof.c (tree_find_values_to_profile): Likewise.
3160         * varasm.c (named_section, default_assemble_integer,
3161         decode_addr_const): Likewise.
3162
3163 2005-04-21 Alan Modra  <amodra@bigpond.net.au>
3164            Fariborz Jahanian <fjahanian@apple.com>
3165
3166         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Fix size of
3167         portion of argument passed in fpr.
3168         * expr.c (emit_push_insn): Fix computation of 'offset' used to
3169         decide on partial argument save on stack.
3170
3171 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
3172
3173         * config/sparc/predicates.md, config/sparc/sparc.md: Fix
3174         comment typos.
3175
3176 2005-04-21  Jan Hubicka  <jh@suse.cz>
3177
3178         * cgraphunit.c: Include tree-pass.h
3179         (cgraph_decide_recursive_inlining,
3180         cgraph_decide_inlining_of_small_function, cgraph_set_inline_failed,
3181         cgraph_decide_inlining): Dump goes to dump_file.
3182         (cgraph_optimize): Call ipa passes instead of inliner.
3183         (cgraph_gate_inlining, pass_ipa_inline): New.
3184         * tree-optimize.c (all_ipa_passes): New static variable.
3185         (register_one_dump_file): Dead with IPA passes.
3186         (register_dump_files): Likewise.
3187         (init_tree_optimization_passes): Initialize IPA passes.
3188         (execute_todo): Do cgraph dump when asked to, do not dump function body
3189         for IPA pass.
3190         * tree-pass.h (TODO_dump_cgraph): New macro.
3191         (ipa_passes): Declare.
3192         * Makefile.in (cgraphunit.o): Add dependency on cgraphunit.h
3193
3194 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
3195
3196         * config/i386/i386.c (type_natural_mode): Use gcc_unreachable and
3197         gcc_assert instead of abort.
3198         (classify_argument, examine_argument, construct_container,
3199         contains_128bit_aligned_vector_p, ix86_check_movabs,
3200         standard_80387_constant_opcode, standard_80387_constant_rtx,
3201         ix86_initial_elimination_offset, ix86_compute_frame_layout,
3202         pro_epilogue_adjust_stack, ix86_expand_epilogue,
3203         ix86_address_cost, legitimate_address_p, legitimize_pic_address,
3204         legitimize_tls_address, output_pic_addr_const,
3205         i386_output_dwarf_dtprel, put_condition_code, print_reg,
3206         get_some_local_dynamic_name, print_operand, print_operand_address,
3207         output_387_binary_op, emit_i387_cw_initialization,
3208         output_fix_trunc, output_fp_compare, ix86_output_addr_vec_elt,
3209         ix86_expand_clear, ix86_expand_binary_operator,
3210         ix86_expand_unary_operator, ix86_match_ccmode, ix86_cc_mode,
3211         ix86_cc_modes_compatible, ix86_fp_comparison_codes,
3212         ix86_fp_comparison_arithmetics_cost, ix86_expand_fp_compare,
3213         ix86_expand_branch, ix86_expand_setcc,
3214         ix86_expand_carry_flag_compare, ix86_expand_fp_movcc,
3215         ix86_expand_int_addcc, ix86_split_to_parts, ix86_split_long_move,
3216         ix86_expand_movmem, ix86_expand_call, assign_386_stack_local,
3217         memory_address_length, ix86_attr_length_immediate_default,
3218         ix86_attr_length_address_default, ix86_agi_dependant,
3219         x86_initialize_trampoline, ix86_init_mmx_sse_builtins,
3220         ix86_expand_binop_builtin, ix86_force_to_memory,
3221         ix86_secondary_memory_needed, ix86_avoid_jump_misspredicts,
3222         x86_emit_floatuns): Likewise.
3223         * config/i386/netware.c (gen_regparm_prefix,
3224         i386_nlm_strip_name_encoding): Likewise.
3225         * config/i386/winnt.c (i386_pe_mark_dllexport): Likewise.
3226
3227 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
3228
3229         * optabs.c (gen_condiational_trap): Remove #define.
3230         (add_equal_note): Assertify. Remove explicit indirection from
3231         call via function pointer.
3232         (expand_ternary_op, expand_simple_binop, expand_binop,
3233         expand_twoval_unop, expand_twoval_binop,
3234         expand_twoval_binop_libfunc, expand_simple_unop expand_unop,
3235         emit_unop_insn,  emit_no_conflict_block,  prepare_cmp_insn,
3236         prepare_operand emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
3237         prepare_float_lib_cmp, emit_conditional_move,
3238         emit_conditional_add, gen_add2_insn, gen_add3_insn,
3239         have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn,
3240         expand_float, expand_fix, debug_optab_libfuncs, gen_cond_trap,
3241         vector_compare_rtx, expand_vec_cond_expr): Likewise.
3242
3243 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
3244
3245         * vec.h: Update API to separate allocation mechanism from type.
3246         (VEC_safe_grow): New.
3247         * vec.c (calculate_allocation): New.
3248         (vec_gc_o_reserve, vec_heap_o_reserve): Adjust.
3249         (vec_gc_free, vec_heap_free): Remove.
3250         * gengtype-lex.l (DEF_VEC_): Process mult-argument macros.  Adjust.
3251         (VEC): Likewise.
3252         (mangle_macro_name): New.
3253         (struct macro_def): New.
3254         (struct macro): Add multiple argument values.
3255         (macro_expans_end): New.
3256         (push_macro_expansion):  Chain on new macro. Process multiple
3257         args, create follow on expansion. Return follow on argument.
3258         (macro_input): Deal with multiple arguments.
3259         
3260         * tree.h: Define VEC(tree,heap) and VEC(tree,gc).
3261         (struct tree_binfo): Adjust.
3262         * basic-block.h: Define VEC(edge,gc).
3263         (struct edge_def): Adjust.
3264         (struct basic_block_def, struct edge_iterator): Likewise.
3265         (ei_container, ei_start_1, ei_last_1): Likewise.
3266         * cfg.c (connect_src, connect_dest): Likewise.
3267         * cfgrtl.c (force_nonfallthru_and_redirect)
3268         * dbxout.c (dbxout_type)
3269         * dwarf2out.c (gen_member_die)
3270         * lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc).
3271         (gcc_tree_to_linear_expression): Adjust.
3272         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
3273         lbv_to_gcc_expression, lle_to_gcc_expression,
3274         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
3275         perfect_nestify): Likewise.
3276         * lambda.h (gcc_loopnest_to_lambda_loopnest,
3277         lambda_loopnest_to_gcc_loopnest): Adjust prototypes.
3278         * profile.c (instrument_values): Adjust.
3279         * tree-cfg.c (modified_noreturn_calls): Adjust.
3280         (remove_fallthru_edge): Likewise.
3281         * tree-dump.c (dequeue_and_dump): Adjust.
3282         * tree-flow-inline.h (mark_stmt_modified): Adjust.
3283         * tree-flow.h (modified_noreturn_calls): Adjust.
3284         (tree_on_heap): Remove. (yay!)
3285         (register_new_def): Adjust.
3286         * tree-into-ssa.c: Define VEC(int,heap).
3287         (block_defs_stack): Adjust.
3288         (find_idf, insert_phi_nodes, register_new_def,
3289         rewrite_initialize_block, rewrite_finalize_block,
3290         register_new_update_single, rewrite_update_init_block,
3291         rewrite_update_fini_block, rewrite_blocks,
3292         ssa_rewrite_finalize_block, ssa_register_new_def,
3293         ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise.
3294         * tree-loop-linear.c (linear_transform_loops): Adjust.
3295         * tree-ssa-alias.c: Define VEC(fieldoff_t,heap).
3296         (push_fields_onto_fieldstack, create_overlap_variables_for): Adjust.
3297         * tree-ssa-dom.c (avail_exprs_stack, block_defs_stack,
3298         stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack,
3299         vrp_variables_stack): Adjust declarations.
3300         (tree_ssa_dominator_optimize): Adjust.
3301         (dom_opt_initialize_block, remove_local_expressions_from_table,
3302         restore_nonzero_vars_to_original_value,
3303         restore_vars_to_original_value,
3304         restore_currdefs_to_original_value, dom_opt_finalize_block,
3305         record_var_is_nonzero, record_cond, record_const_or_copy_1,
3306         optimize_stmt, update_rhs_and_lookup_avail_expr,
3307         lookup_avail_expr, record_range): Likewise.
3308         * tree-ssa-pre.c: Define VEC(basic_block,heap).
3309         (compute_antic_aux): Adjust.
3310         (inserted_exprs, create_expression_by_pieces, 
3311         insert_into_preds_of_block, eliminate, mark_operand_necessary, 
3312         remove_dead_inserted_code, fini_pre): Likewise.
3313         * tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
3314         (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist. 
3315         ssa_prop_init): Likewise.
3316         * tree-ssa.c: Define VEC(bitmap,heap).
3317         (verify_name_tags): Adjust.
3318         * value-prof.c (rtl_divmod_values_to_profile): Adjust.
3319         (insn_prefetch_values_to_profile, rtl_find_values_to_profile,
3320         tree_divmod_values_to_profile, tree_find_values_to_profile,
3321         value_profile_transformations): Likewise.
3322         * value-prof.h: Define VEC(histogram_value,heap).
3323         * varasm.c: Remove alias_pair pointer typedef, define
3324         VEC(alias_pair,gc).
3325         (finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.
3326         
3327         * config/pa/pa.c (typedef extern_symbol): Typedef the structure,
3328         not a pointer to it.  Create an object vector.
3329         (extern_symbols): Turn into an object vector.
3330         (pa_hpux_asm_output_external, pa_hpux_file_end): Adjust.
3331
3332 2005-04-21  Sebastian Pop  <pop@cri.ensmp.fr>
3333
3334         PR/20742
3335         * Makefile.in (tree-chrec.o): Depend on params.h.
3336         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with
3337         default value 20.
3338         * tree-chrec.c: Depend on params.h.  Replace build with buildN,
3339         and fold build with fold_buildN.
3340         (chrec_fold_plus_1): Fail with a chrec_don_know when the size of
3341         the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE.
3342         (tree_contains_chrecs): Compute an estimation of the size of the
3343         given expression.
3344         * tree-chrec.h (tree_contains_chrecs): Modify its declaration.
3345         (tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs.
3346         * tree-scalar-evolution.c (simple_iv): Ditto.
3347         * doc/invoke.texi (scev-max-expr-size): Documented.
3348
3349 2005-04-21  Richard Sandiford  <rsandifo@redhat.com>
3350
3351         * config.gcc (*-*-darwin*): Add darwin.opt to $extra_options.
3352         (i[34567]86-pc-msdosdjgpp*): Likewise i386/djgpp.opt.
3353         (i[34567]86-*-lynxos*, powerpc-*-lynxos*): Likewise lynx.opt.
3354         (i[34567]86-*-sco3.2v5*): Likewise i386/sco5.opt.
3355         (i[34567]86-*-pe, i[34567]86-*-cygwin*, i[34567]86-*-mingw32*)
3356         (i[34567]86-*-uwin*): Likewise i386/cygming.opt.
3357         * config/darwin.h (darwin_one_byte_bool, darwin_fix_and_continue)
3358         (darwin_fix_and_continue_switch, SUBTARGET_OPTIONS): Delete.
3359         * config/darwin.c (darwin_one_byte_bool, darwin_fix_and_continue)
3360         (darwin_fix_and_continue_switch): Delete.
3361         * config/lynx.h (SUBTARGET_OS_LYNX_SWITCHES): Delete.
3362         (SUBTARGET_SWITCHES): Delete.
3363         * config/i386/i386.h (target_flags, MASK_80387, MASK_RTD)
3364         (MASK_ALIGN_DOUBLE, MASK_SVR3_SHLIB, MASK_IEEE_FP, MASK_FLOAT_RETURNS)
3365         (MASK_NO_FANCY_MATH_387, MASK_OMIT_LEAF_FRAME_POINTER)
3366         (MASK_STACK_PROBE, MASK_NO_ALIGN_STROPS, MASK_INLINE_ALL_STROPS)
3367         (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS, MASK_MMX)
3368         (MASK_SSE, MASK_SSE2, MASK_SSE3, MASK_3DNOW, MASK_3DNOW_A)
3369         (MASK_128BIT_LONG_DOUBLE, MASK_64BIT, MASK_MS_BITFIELD_LAYOUT)
3370         (MASK_TLS_DIRECT_SEG_REFS, MASK_NO_RED_ZONE, TARGET_80387)
3371         (TARGET_RTD, TARGET_ALIGN_DOUBLE, TARGET_PUSH_ARGS)
3372         (TARGET_ACCUMULATE_OUTGOING_ARGS, TARGET_SVR3_SHLIB, TARGET_IEEE_FP)
3373         (TARGET_128BIT_LONG_DOUBLE, TARGET_NO_FANCY_MATH_387)
3374         (TARGET_USE_FANCY_MATH_387, TARGET_OMIT_LEAF_FRAME_POINTER)
3375         (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Delete.
3376         (TARGET_FLOAT_RETURNS_IN_80387): Make an alias of TARGET_FLOAT_RETURNS.
3377         (TARGET_64BIT): Undef before redefining.
3378         (TARGET_TLS_DIRECT_SEG_REFS, TARGET_STACK_PROBE)
3379         (TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS, TARGET_SSE)
3380         (TARGET_SSE2, TARGET_SSE3, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A)
3381         (TARGET_RED_ZONE, TARGET_USE_MS_BITFIELD_LAYOUT, TARGET_SWITCHES)
3382         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS)
3383         (ix86_fpmath_string, ix86_tls_dialect_string, ix86_cmodel_string)
3384         (ix86_asm_string, ix86_regparm, ix86_regparm_string)
3385         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
3386         (ix86_debug_arg_string, ix86_debug_addr_string)
3387         (ix86_align_loops_string, ix86_align_jumps_string)
3388         (ix86_align_funcs_string): Delete.
3389         * config/i386/cygming.h (MASK_NOP_FUN_DLLIMPORT)
3390         (TARGET_NOP_FUN_DLLIMPORT, SUBTARGET_SWITCHES): Delete.
3391         * config/i386/djgpp.h (MASK_BNU210, SUBTARGET_SWITCHES): Delete.
3392         (SUBTARGET_OVERRIDE_OPTIONS): Check TARGET_BNU210.
3393         * config/i386/lynx.h (SUBTARGET_SWITCHES): Delete.
3394         * config/i386/sco5.h (MASK_COFF, TARGET_ELF)
3395         (SUBTARGET_SWITCHES): Delete.
3396         * config/i386/i386.c (ix86_debug_arg_string): Delete.
3397         (ix86_debug_addr_string): Delete.
3398         (ix86_cmodel_string, ix86_asm_string, ix86_tls_dialect_string)
3399         (ix86_fpmath_string, ix86_regparm_string, ix86_regparm)
3400         (ix86_align_loops_string, ix86_align_jumps_string)
3401         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
3402         (ix86_align_funcs_string): Make static.
3403         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3404         (ix86_handle_option): New function.
3405         (TARGET_USE_MS_BITFIELD_LAYOUT): Delete.
3406         (ix86_ms_bitfield_layout_p): Check TARGET_MS_BITFIELD_LAYOUT.
3407         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove handling
3408         of darwin_fix_and_continue_switch.
3409         (darwin_one_byte_bool): Delete.
3410         * config/rs6000/lynx.h (EXTRA_SUBTARGET_SWITCHES): Delete.
3411         * config/rs6000/rs6000.c (rs6000_override_options): Update assignment
3412         to darwin_one_byte_bool.
3413         * config/darwin.opt, config/lynx.opt, config/i386/cygming.opt,
3414         * config/i386/djgpp.opt, config/i386/i386.opt,
3415         * config/i386/sco5.opt: New files.
3416
3417 2005-04-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3418
3419         * config/sparc/sparc.c (reg_or_0_operand, const1_operand,
3420         fp_zero_operand, fp_register_operand, intreg_operand,
3421         fcc_reg_operand, fcc0_reg_operand, icc_or_fcc_reg_operand,
3422         call_operand, call_operand_address, tgd_symbolic_operand,
3423         tld_symbolic_operand, tie_symbolic_operand, tle_symbolic_operand,
3424         symbolic_operand, symbolic_memory_operand, label_ref_operand,
3425         sp64_medium_pic_operand, data_segment_operand,
3426         text_segment_operand, splittable_symbolic_memory_operand,
3427         reg_or_nonsymb_mem_operand, splittable_immediate_memory_operand,
3428         eq_or_neq, normal_comp_operator, noov_compare_op,
3429         noov_compare64_op, v9_regcmp_op, extend_op, cc_arithop,
3430         cc_arithopn, arith_operand, arith_4096_operand, arith_add_operand,
3431         const64_operand, const64_high_operand, arith11_operand,
3432         arith10_operand, arith_double_operand, arith_double_4096_operand,
3433         arith_double_add_operand, arith11_double_operand,
3434         arith10_double_operand, small_int, small_int_or_double,
3435         uns_small_int, uns_arith_operand, clobbered_register,
3436         input_operand, compare_operand): Delete.
3437         (sparc_emit_set_const32): Use predicates in assertion.  Remove special
3438         code for TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT != 64.
3439         (sparc_emit_set_const64): Call gcc_unreachable if H_B_P_W_I == 32.
3440         (GEN_HIGHINT64, GEN_INT64): Delete.
3441         (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
3442         gen_safe_XOR64): Adjust for above deletion.
3443         (sparc_emit_set_const64): Support only H_B_P_W_I == 64 and CONST_INTs.
3444         Use 'unsigned HOST_WIDE_INT' instead of 'long' for bitmask.
3445         (legitimate_constant_p): Use const_zero_operand instead.
3446         (sparc_extra_constraint_check): Likewise.
3447         * config/sparc/sparc.h (CONST_DOUBLE_OK_FOR_LETTER_P): Remove 'O'.
3448         (PREFERRED_RELOAD_CLASS): Use const_zero_operand.
3449         (PREDICATE_CODES): Delete.
3450         * config/sparc/sparc.md: Include predicates.md.
3451         (All patterns): Adjust for new predicate names.
3452         (cmpdi, cmpdi_sp64): Use arith_operand predicate.
3453         (movhi_const64_special, movsi_const64_special): Add 'K' constraint.
3454         (movdi): Use general_operand predicate.
3455         (movdi_sp64_dbl): Delete.
3456         (movdi_const64_special): Add 'N' constraint.
3457         (movdicc): Use arith10_operand predicate.
3458         (movdi_cc_sp64, movdi_cc_sp64_trunc): Use arith11_operand predicate.
3459         (movdi_cc_reg_sp64): Use arith10_operand predicate.
3460         (movdi_cc_reg_sp64_trunc): Delete.
3461         (cmp_zero_extract, cmp_zero_extract_sp64): Use small_int_operand.
3462         (adddi3_sp64, cmp_ccx_plus, cmp_ccx_plus_set): Use arith_operand.
3463         (subdi3_sp32): Delete.
3464         (subdi3_insn_sp32): Change to define_insn_and_split.
3465         (subdi3_sp64, cmp_minus_ccx, cmp_minus_ccx_set): Use arith_operand.
3466         (muldi3, muldi3_sp64, muldi3_v8plus): Likewise.
3467         (smulsi3_highpart_v8plus, const_smulsi3_highpart_v8plus,
3468         umulsi3_highpart_v8plus, const_umulsi3_highpart_v8plus): Use
3469         small_int_operand predicate.
3470         (divdi3, udivdi3): Use arith_operand predicate.
3471         (udivsi3, udivsi3_sp32, udivsi3_sp64): Use nonimmediate_operand.
3472         (and<V64I>3_sp64, ior<V64I>3_sp64, xor<V64I:mode>3_sp64,
3473         xor_not_<V64I:mode>_sp64) : Use arith_operand predicate.
3474         (xordi3_sp64_dbl): Delete.
3475         (cmp_ccx_arith_op, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
3476         cmp_ccx_xor_not_set, cmp_ccx_arith_op_not, cmp_ccx_arith_op_not_set,
3477         cmp_ccx_neg, cmp_ccx_set_neg, one_cmpl<V64I>2_sp64, cmp_ccx_not,
3478         cmp_ccx_set_not): Use arith_operand predicate.
3479         (ashrsi3_extend2, lshrsi3_extend2 et al.): Use small_int_operand.
3480         * config/sparc/predicates.md: New file.
3481
3482 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
3483
3484         PR tree-optimization/14846
3485         * fold-const.c (fold_single_bit_test_into_sign_test): New,
3486         split out from ...
3487         (fold_single_bit_test): ... here.
3488         (fold_binary): Call fold_single_bit_test_into_sign_test
3489         instead of fold_single_bit_test.
3490
3491 2005-04-20  James E Wilson  <wilson@specifixinc.com>
3492
3493         PR c++/20805
3494         * dwarf2out.c (gen_variable_die): Don't emit a specification if this
3495         is another declaration.
3496
3497 2005-04-21  Hans-Peter Nilsson  <hp@axis.com>
3498
3499         * config/cris/predicates.md: New file.
3500         * config/cris/cris-protos.h (cris_store_multiple_op_p)
3501         (cris_movem_load_rest_p): Declare.
3502         * config/cris/cris.c (cris_store_multiple_op): Return bool, not int.
3503         (cris_movem_load_rest_p): Ditto.  Globalize.
3504         (cris_bdap_operand, cris_bdap_biap_operand,
3505         cris_orthogonal_operator, cris_commutative_orth_op,
3506         cris_operand_extend_operator,
3507         cris_additive_operand_extend_operator, cris_extend_operator,
3508         cris_plus_or_bound_operator, cris_mem_op,
3509         cris_general_operand_or_symbol,
3510         cris_general_operand_or_gotless_symbol,
3511         cris_general_operand_or_plt_symbol, cris_mem_call_operand,
3512         cris_load_multiple_op): Remove predicate functions.
3513         (cris_symbol, cris_gotless_symbol) <case UNSPEC>: Return 0, don't
3514         abort, for UNSPECs other than CRIS_UNSPEC_PLT.
3515         * config/cris/cris.h (PREDICATE_CODES): Don't define.
3516         * config/cris/cris.md: Include predicates.md.
3517         ("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode.
3518
3519 2005-04-20  Ian Lance Taylor  <ian@airs.com>
3520
3521         * c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def).
3522         * c-common.h (STMT_EXPR_STMT): Don't define.
3523         (STMT_EXPR_NO_SCOPE): Don't define.
3524         * c-dump.c (c_dump_tree): Don't handle STMT_EXPR.
3525         * c-pretty-print.c (pp_c_primary_expression): Likewise.
3526         (pp_c_expression): Likewise.
3527
3528 2005-04-20  Richard Henderson  <rth@redhat.com>
3529
3530         PR target/21100
3531         * config/i386/mmx.md (push<MMXMODE>1): Fix predicate thinko.
3532
3533 2005-04-20  Jeff Law  <law@redhat.com>
3534
3535         * reload1.c (reload): Ignore equivalences between pseudos and
3536         read only memory.
3537
3538 2005-04-20  Joseph S. Myers  <joseph@codesourcery.com>
3539
3540         PR c/12913
3541         * c-tree.h (struct c_label_list): Update comment.
3542         (struct c_label_context): Rename to struct c_label_context_se.
3543         (label_context_stack): Rename to label_context_stack_se.
3544         (C_DECL_UNJUMPABLE_VM, C_DECL_UNDEFINABLE_VM, struct
3545         c_label_context_vm, label_context_stack_vm, c_begin_vm_scope,
3546         c_end_vm_scope): New.
3547         (C_DECL_DECLARED_BUILTIN, C_DECL_USED): Use FUNCTION_DECL_CHECK.
3548         * c-decl.c (pop_scope): Call c_end_vm_scope.
3549         (pushdecl): Call c_begin_vm_scope for variably modified
3550         declarations.
3551         (define_label): Check for jumping into scope of identifier with
3552         variably modified type.  Push label on stack for those defined at
3553         current context of identifiers with variably modified type.
3554         (start_function): Create stack level for context of identifiers
3555         with variably modified type.
3556         (finish_function): Pop stack level for context of identifiers with
3557         variably modified type.
3558         * c-typeck.c (label_context_stack): Rename to
3559         label_context_stack_se.
3560         (label_context_stack_vm, c_begin_vm_scope, c_end_vm_scope): New.
3561         (c_finish_goto_label): Check for jumping into scope of identifier
3562         with variably modified type.  Push label on stack for those jumped
3563         to from current context of identifiers with variably modified
3564         type.
3565         (struct c_switch): Add blocked_vm.
3566         (c_start_case): Initialize blocked_vm.
3567         (do_case): Check blocked_vm.
3568         (c_finish_case): Add comment.
3569         (c_begin_stmt_expr, c_finish_stmt_expr): Update for renamed
3570         variable label_context_stack.
3571
3572 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
3573
3574         * tree-ssa-phiopt.c (tree_ssa_phi_opt): Update calls to
3575         conditional_replacement, value_replacement, abs_replacement,
3576         minmax_replacement.
3577         (replace_phi_edge_with_variable): Remove argument BB.
3578         (conditional_replacement, value_replacement,
3579         minmax_replacement, abs_replacement): Remove argument PHI_BB.
3580         Update a call to replace_phi_edge_with_variable.
3581
3582         * tree-ssa-phiopt.c: Fix comments.
3583
3584 2005-04-20  Michael Matz  <matz@suse.de>
3585
3586         PR20973
3587         * reload.c (push_reload, find_dummy_reload): Check for uninitialized
3588         pseudos.
3589
3590 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
3591
3592         * tree-ssa-phiopt.c: Fix comment typos.
3593
3594         PR tree-optimization/21116
3595         * tree-ssa-phiopt.c: Fix a typo.
3596
3597 2005-04-19  Richard Henderson  <rth@redhat.com>
3598
3599         * builtins.c (expand_builtin_sync_operation): Revert last change.
3600         * optabs.c (expand_bool_compare_and_swap): Compare vs old value,
3601         not vs new value.
3602         (expand_compare_and_swap_loop): Likewise.
3603         (expand_sync_operation): Remove fallback from NAND to AND; invert
3604         memory operand when expanding from cmpxchg.
3605         (expand_sync_fetch_operation): Likewise.
3606         * doc/extend.texi (Atomic Builtins): Fix docs for nand and
3607         compare-and-swap.
3608
3609         * config/alpha/alpha.c (alpha_split_atomic_op): Invert memory operand
3610         when implementing NAND.  Fix double-add for AFTER.
3611         * config/alpha/sync.md (sync_nand<I48MODE>): Invert memory operand.
3612         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
3613         (sync_compare_and_swap<I48MODE>): Fix compare vs zero.  Return old
3614         memory value.
3615         (sync_lock_test_and_set<I48MODE>): Remove extra label and last
3616         memory barrier.
3617
3618         * config/i386/sync.md (sync_compare_and_swap<IMODE>): Fix pattern
3619         to return old memory value.
3620         (sync_compare_and_swap_cc<IMODE>): Likewise.
3621
3622         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Early
3623         return pre-reload.  Don't consider output or anti dependencies.
3624         * config/ia64/sync.md (IMODE): New.
3625         (modesuffix): Add QI and HI.
3626         (memory_barrier): Simplify expansion.
3627         (sync_compare_and_swap<IMODE>): Use IMODE, not I48MODE.
3628         (cmpxchg_acq_<IMODE>): Likewise.
3629         (sync_lock_test_and_set<IMODE>): Likewise.
3630         (sync_lock_release<IMODE>): Likewise.
3631
3632 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
3633
3634         * fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if
3635         ~X or ~Y simplify.
3636
3637 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
3638
3639         * fold-const (fold_binary):  Fold ~X ^ ~ Y to X ^ Y.
3640
3641 2005-04-20  Michael Pogue  <michael.pogue@sun.com>
3642             Joseph S. Myers  <joseph@codesourcery.com>
3643
3644         * c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
3645         * c-typeck.c (build_c_cast): Check these options.
3646         * doc/invoke.texi: Document these options.
3647
3648 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
3649
3650         * tree-ssa-phiopt.c: Update a comment about the pass.
3651
3652 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
3653
3654         * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
3655         config/mcore/mcore.c: Fix comment typos.
3656
3657 2005-04-19  Daniel Jacobowitz  <dan@codesourcery.com>
3658
3659         * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
3660         * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.
3661
3662 2005-04-19  Paul Brook  <paul@codesourcery.com>
3663
3664         * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs. 
3665
3666 2005-04-19  Andrew Haley  <aph@redhat.com>
3667
3668         PR java/21022
3669         * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
3670         looking at a field's bitpos.
3671
3672 2005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3673
3674         * system.h (fopen, fdopen, freopen): Define these to the unlocked
3675         libiberty functions.
3676
3677 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
3678
3679         PR tree-optimization/21096
3680         * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
3681
3682 2005-04-19  Alan Modra  <amodra@bigpond.net.au>
3683
3684         PR target/21098
3685         * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
3686         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
3687
3688 2005-04-19  Alexandre Oliva  <aoliva@redhat.com>
3689
3690         * tree-cfg.c (dump_function_to_file): Use cfun info only if it
3691         refers to the function being dumped.
3692
3693 2005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>
3694
3695         * varasm.c (assemble_start_function): Remove reset of in_section.
3696
3697 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
3698
3699         PR tree-optimization/21085
3700         * fold-const (fold_binary): Don't change X % -C to X % C if C has
3701         overflowed.
3702
3703 2005-04-19  Ben Elliston  <bje@au.ibm.com>
3704
3705         * doc/invoke.texi (Optimize Options): Refer to the correct
3706         optimisation flag -ftree-dominator-opts, not -ftree-dom.
3707
3708 2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>
3709
3710         * config/rs6000/rs6000.c (machopic_output_stub):  Increase
3711         alloca argument to be big enough.
3712
3713 2005-04-18  Alexandre Oliva  <aoliva@redhat.com>
3714
3715         PR middle-end/21049
3716         * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
3717         cfun->cfg are NULL.
3718
3719 2005-04-18  Tom Tromey  <tromey@redhat.com>
3720
3721         * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
3722         typo.
3723
3724 2005-04-18  Richard Henderson  <rth@redhat.com>
3725
3726         * config/alpha/alpha.c (alpha_split_atomic_op): New.
3727         (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
3728         (alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
3729         * config/alpha/alpha-protos.h: Update.
3730         * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
3731         (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
3732         (attr type): Add ld_l, st_c, mb.
3733         (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
3734         iornotsi3, xorsi_internal, xornotsi3): New.
3735         * config/alpha/ev4.md (ev4_ld): Add ld_l.
3736         (ev4_ist_c, ev4_mb): New.
3737         * config/alpha/ev5.md (ev5_st): Add st_c, mb.
3738         (ev5_ld_l): New.
3739         * config/alpha/ev6.md (ev6_ild): Add ld_l.
3740         (ev6_ist): Add st_c.
3741         (ev6_mb): New.
3742         * config/alpha/sync.md: New file.
3743
3744 2005-04-18  Richard Henderson  <rth@redhat.com>
3745
3746         * builtins.c (expand_builtin_sync_operation): Fold nand to and
3747         for constants.
3748
3749         * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
3750
3751 2005-04-18  Devang Patel  <dpatel@apple.com>
3752
3753         * config/rs6000/atlivec.md (mulv4si3): New pattern.
3754         
3755 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
3756
3757         PR tree-optimization/20922
3758         * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
3759         Fold X + c >= X and fold X - c <= X to true.
3760
3761 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
3762
3763         * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
3764         unsigned int.
3765         (emergency_labeled_state_free): Likewise.
3766
3767 2005-04-18  Nick Clifton  <nickc@redhat.com>
3768
3769         * config/h8300/h8300.md (jump): Remove prescan parameter from
3770         calls to final_scan_insn.
3771
3772         * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
3773         parameter from calls to final_scan_insn.
3774
3775         * config.gcc (m68hc12): Use the m68hc11.opt file for target
3776         specific options.
3777         (v850e, v850e1): Use the v850.opt file for target specific
3778         options.
3779
3780 2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>
3781
3782         PR tree-optimization/21001
3783         * tree-optimize.c (init_tree_optimization_passes): Move the
3784         first pass_forwprop immediately before pass_vrp.
3785
3786 2005-04-17  Ian Lance Taylor  <ian@airs.com>
3787
3788         * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
3789         * c-common.c (c_sizeof_or_alignof_type): Change second parameter
3790         from enum tree_code op to bool is_sizeof.
3791         * c-common.h (c_sizeof_or_alignof_type): Update declaration.
3792         (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
3793         * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
3794         case.
3795         (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
3796         cases.
3797         (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
3798         ALIGNOF_EXPR cases.
3799
3800 2005-04-17  Ian Lance Taylor  <ian@airs.com>
3801
3802         * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
3803
3804 2005-04-17  Richard Henderson  <rth@redhat.com>
3805
3806         * config/alpha/alpha.c (va_list_skip_additions): Only define if
3807         TARGET_ABI_OSF.
3808         (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
3809         (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
3810         of indirection through ssa names while looking for the gpr counter
3811         field.
3812         (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
3813         saved va_list_gpr_size and va_list_fpr_size.
3814
3815 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
3816
3817         * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
3818         both pointers or both integers.
3819
3820         * tree-vrp.c (maybe_add_assert_expr): Don't assert
3821         ASSERT_EXPRs for single-use variable.
3822
3823         * tree-into-ssa.c: Fix a comment typo.
3824
3825 2005-04-17  Richard Sandiford  <rsandifo@redhat.com>
3826
3827         * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
3828         -mipsN before forcing a default of -mips2.
3829
3830 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
3831
3832         * predict.h (IS_TAKEN): Remove.
3833         * rtl.h (NOTE_PREDICTION): Likewise.
3834
3835         * modulo-sched.c (CFG_HOOKS): Remove.
3836
3837         * c-parser.c (N_C_TTYPES): Remove.
3838
3839         * tree-flow-inline.h (get_stmt_operands): Remove.
3840         * lambda-code.c, tree-ssa-loop-unswitch.c,
3841         tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
3842         tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
3843         tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
3844         calls to get_stmt_operands.
3845         * doc/tree-ssa.texi: Don't mention get_stmt_operands.
3846
3847 2005-04-17  Richard Henderson  <rth@redhat.com>
3848
3849         PR target/20375
3850         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
3851         of CUMULATIVE_ARGS past the last named argument.
3852         (alpha_va_start): Expect pretend_args_size only if strictly less than
3853         6 named arguments.
3854
3855 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
3856
3857         PR middle-end/21024
3858         * builtins.c (expand_builtin_strcat): Convert the result of
3859         strlen to the right type.
3860         * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
3861         avoid creating type mismatches.
3862         <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
3863         type mismatches.
3864
3865         * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
3866
3867 2005-04-16  Richard Henderson  <rth@redhat.com>
3868
3869         PR target/21051
3870         * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
3871         Use the mode of boolean_type_node when the user doesn't provide one.
3872         * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
3873
3874 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
3875
3876         PR target/20126
3877         * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
3878         (const)).
3879
3880         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
3881         comment.
3882
3883 2005-04-16  Roger Sayle  <roger@eyesopen.com>
3884             Steven Bosscher  <stevenb@suse.de>
3885
3886         * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
3887         (fold_unary_to_constant): Likewise.
3888
3889 2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
3890
3891         * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
3892         PROP_ASM_SCAN.
3893
3894 2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
3895
3896         * doc/install.texi (Specific): Avoid using asterisks in @anchor
3897         names related to target triplets.
3898         Remove i?86-*-esix from platform directory.
3899         Remove powerpc-*-eabiaix from platform directory.
3900
3901 2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
3902
3903         PR middle-end/20491
3904         * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
3905         falling through from SUBREG case to REG.
3906
3907 2005-04-15  Roger Sayle  <roger@eyesopen.com>
3908
3909         * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
3910         (fold_binary): Update comment mentioning fold_relational_hi_lo.
3911         (fold_binary_to_constant): Simplify using fold_binary.
3912         (fold_unary_to_constant): Likewise, simplify using fold_unary.
3913
3914 2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3915
3916         * gthr-posix.c (pthread_cancel): Define.
3917         (pthread_mutexattr_init): Likewise.
3918         (pthread_mutexattr_settype): Likewise.
3919         (pthread_mutexattr_destroy): Likewise.
3920
3921 2005-04-15  David S. Miller  <davem@davemloft.net>
3922
3923         PR target/20673
3924         * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
3925
3926 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
3927
3928         PR tree-optimization/21031
3929         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
3930         (forward_propagate_into_cond_1): Call it.  Forward propagate
3931         integer-integer casts into COND_EXPRs.
3932
3933 2005-04-15  Dave Korn  <dave.korn@artimi.com>
3934
3935         * gcc.c (default_compilers): Clarify obscure error message when
3936         reading from standard input.
3937
3938 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
3939
3940         * basic-block.h (PROP_EQUAL_NOTES): Remove.
3941         * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
3942
3943         * tree-ssa-alias.c (init_alias_info): Remove a call to
3944         get_stmt_operands.
3945
3946 2005-04-15  Andrew MacLeod  <amacleod@redhat.com>
3947
3948         * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
3949         of non-virtual PHI nodes like we use to.
3950
3951 2005-05-15  Paolo Bonzini  <bonzini@gnu.org>
3952
3953         * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
3954         (attr_copy_rtx): Do not use it.
3955
3956 2005-04-15  Andrew Macleod  <amacleod@redhat.com>
3957
3958         * doc/tree-ssa.texi: Grammer/abbreviation updates.
3959
3960 2005-04-15  Diego Novillo  <dnovillo@redhat.com>
3961
3962         * tree-vect-transform.c (vectorizable_store): Mark necessary
3963         objects in the vectorized store needing renaming.  Update the
3964         SSA graph for V_MAY_DEF operands in the original store.
3965
3966 2005-04-14  Daniel Berlin <dberlin@dberlin.org>
3967
3968         * tree-ssa-pre.c (compute_avail): It's okay to have
3969         TREE_INVARIANT's here, and value number the resulting expressions.
3970         (create_expression_by_pieces): Make sure operands that were
3971         min_invariant when we started, stay that way.
3972
3973 2005-04-15  David Edelsohn  <edelsohn@gnu.org>
3974
3975         * doc/install.texi (*-ibm-aix*): Add comment about system limits.
3976
3977 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
3978
3979         PR tree-optimization/20936.
3980         * tree-ssa-ccp.c (visit_assignment): Fix a typo.
3981
3982 2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3983
3984         * doc/invoke.texi: Fix typos.
3985         * doc/md.texi: Likewise.
3986         * doc/rtl.texi: Likewise.
3987         * doc/sourcebuild.texi: Likewise.
3988         * doc/tm.texi: Likewise.
3989
3990 2005-04-15  Uros Bizjak  <uros@kss-loka.si>
3991
3992         PR tree-optimization/21004
3993         * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
3994         and floorl in c99 mode only.
3995         * builtins.c (expand_builtin_int_roundingfn): Assert that
3996         fallback_fndecl is not NULL_TREE.
3997
3998 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
3999
4000         * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
4001         * basic-block.h: Update the prototype for
4002         purge_all_dead_edges.
4003         * cfgexpand.c (tree_expand_cfg): Update a call to
4004         purge_all_dead_edges.
4005         * combine.c (combine_instructions): Likewise.
4006         * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
4007         rest_of_handle_cse2, rest_of_handle_gcse,
4008         rest_of_handle_postreload): likewise.
4009
4010 2005-04-15  Alexandre Oliva  <aoliva@redhat.com>
4011
4012         PR middle-end/20739
4013         * gimplify.c (gimplify_addr_expr): Compensate for removal of
4014         e.g. cv-qualification conversions.
4015
4016 2005-04-14  Mike Stump  <mrs@apple.com>
4017
4018         * config/darwin-c.c (framework_construct_pathname): We must
4019         find all headers of a framework in the first instance of it
4020         found in the seach path.
4021
4022 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
4023
4024         PR tree-optimization/21021
4025         * tree-vrp.c (compare_values): Work around a bug in the front
4026         end that produces a comparison of mismatched types.
4027
4028 2004-04-14  Richard Henderson  <rth@redhat.com>
4029
4030         * config/ia64/ia64.h (enum fetchop_code): Remove.
4031         (enum ia64_builtins): Move ...
4032         * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
4033         members except BSP and FLUSHRS.
4034         (ia64_init_builtins): Remove __sync builtins.
4035         (ia64_expand_builtin): Likewise.
4036         (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
4037         (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
4038         (ia64_expand_lock_release): Remove.
4039         * config/ia64/ia64.md (mf): Move to sync.md.
4040         (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
4041         cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
4042         * config/ia64/sync.md: New file.
4043         (memory_barrier): Rename from mf.
4044         (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
4045         (cmpxchg_acq_<I48MODE>): Likewise.
4046         (sync_lock_test_and_set<I48MODE>): Likewise.
4047
4048         * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
4049         to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
4050
4051 2004-04-14  Richard Henderson  <rth@redhat.com>
4052
4053         * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
4054         (ix86_compare_emitted): New.
4055         (ix86_expand_compare): Use ix86_compare_emitted if set.
4056         (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
4057         and ix86_compare_op0 are set.
4058         * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
4059         (TARGET_CMPXCHG, TARGET_XADD): New.
4060         (ix86_compare_emitted): Declare.
4061         * config/i386/i386.md: Include sync.md
4062         (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
4063         (UNSPECV_XCHG, UNSPECV_LOCK): New.
4064         * config/i386/sync.md: New file.
4065
4066 2004-04-14  Richard Henderson  <rth@redhat.com>
4067
4068         PR middle-end/14311
4069         * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
4070         BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
4071         BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
4072         BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
4073         BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
4074         BT_FN_I8_VPTR_I8_I8): New.
4075         * builtins.def (DEF_SYNC_BUILTIN): New.
4076         (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
4077         BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
4078         BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
4079         BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
4080         BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
4081         BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
4082         BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
4083         BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
4084         BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
4085         BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
4086         BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
4087         BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
4088         BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
4089         BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
4090         BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
4091         BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
4092         BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
4093         BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
4094         BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
4095         BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
4096         BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
4097         BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
4098         BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
4099         BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
4100         BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
4101         BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
4102         BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
4103         BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
4104         BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
4105         BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
4106         BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
4107         BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
4108         BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
4109         BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
4110         BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
4111         BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
4112         BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
4113         BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
4114         BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
4115         BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
4116         BUILT_IN_SYNCHRONIZE: New.
4117         * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
4118         as a function.  Accept __sync_ as a prefix as well.
4119         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
4120         expand_builtin_lock_test_and_set, expand_builtin_synchronize,
4121         expand_builtin_lock_release): New.
4122         (expand_builtin): Call them.
4123         * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
4124         neither BOTH_P nor FALLBACK_P are defined.
4125         (builtin_type_for_size): New.
4126         (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
4127         (resolve_overloaded_builtin): New.
4128         * c-common.h (resolve_overloaded_builtin): Declare.
4129         (builtin_type_for_size): Declare.
4130         * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
4131         * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
4132         sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
4133         sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
4134         sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
4135         sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
4136         sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
4137         sync_compare_and_swap_cc, sync_lock_test_and_set,
4138         sync_lock_release): New.
4139         * optabs.h: Declare them.
4140         * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
4141         expand_sync_operation, expand_sync_fetch_operation,
4142         expand_sync_lock_test_and_set): Declare.
4143         * genopinit.c (optabs): Add sync optabs.
4144         * optabs.c (init_optabs): Initialize sync optabs.
4145         (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
4146         expand_bool_compare_and_swap, expand_compare_and_swap_loop,
4147         expand_sync_operation, expand_sync_fetch_operation,
4148         expand_sync_lock_test_and_set): New.
4149         * doc/extend.texi (Atomic Builtins): New section
4150         * doc/md.texi (Standard Names): Add sync patterns.
4151
4152 2005-04-14  Alexandre Oliva  <aoliva@redhat.com>
4153
4154         * tree-eh.c (lower_try_finally_copy): Generate new code in
4155         response to goto_queue entries as if the queue was sorted by
4156         index, not pointers.
4157         (lower_try_finally_switch): Likewise.
4158
4159 2005-04-14  Richard Henderson  <rth@redhat.com>
4160
4161         * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
4162         (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
4163         register.
4164         (ix86_expand_fp_movcc): Update to match.
4165         (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
4166         * config/i386/i386-protos.h: Update.
4167         * config/i386/sse.md (vcondv4sf, vcondv2df): New.
4168         (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
4169
4170 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
4171
4172         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
4173         refer to 4.0.
4174
4175 2005-04-14  Julian Brown  <julian@codesourcery.com>
4176
4177         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
4178         link failures on ppc64 Linux.
4179
4180 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
4181
4182         * config.gcc: Set cpu_type for s390.
4183
4184 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
4185
4186         Fix PR tree-optimization/20963
4187         * tree-ssa-pre.c (compute_avail): Remove special case for
4188         TREE_INVARIANT.
4189         (create_expression_by_pieces): Add value numbers for forced out
4190         statements.
4191
4192 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
4193
4194         * config/cris/cris.md: Replace references to (reg:SI 16) with
4195         (reg:SI CRIS_SRP_REGNUM).
4196
4197 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
4198
4199         PR tree-optimization/20657
4200         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
4201         create an appropriate range from it.
4202
4203 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
4204
4205         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
4206         <UNSPEC_FIST_CEIL> case.
4207
4208         * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
4209         (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
4210         (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
4211         to implement lfloor and llfloor built-ins as x87 intrinsic function.
4212         (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
4213         (lfloor<mode>2): New expanders.
4214         (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
4215         (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
4216         to implement lceil and llceil built-ins as x87 intrinsic function.
4217         (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
4218         (lceil<mode>2): New expanders.
4219
4220 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
4221
4222         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
4223         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
4224
4225 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
4226
4227         PR target/20927
4228         * config/s390/s390-modes.def: Define TFmode.
4229
4230 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
4231
4232         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
4233         (JUMP_TABLES_IN_TEXT_SECTION): Define.
4234         * config/mips/mips.c (mips16_insn_length): Remove reference to
4235         JUMP_TABLES_IN_TEXT_SECTION.
4236
4237 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
4238
4239         * simplify-rtx.c (simplify_binary_operation_1): Return
4240         scalar or vector of constant 0, depending on the xor's
4241         mode.
4242
4243 2005-04-13  Dale Johannesen  <dalej@apple.com>
4244
4245         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
4246         (objc-act.o):  Ditto.
4247         * objc/objc-act.c (objc_gimplify_expr):  New.
4248         (objc_get_callee_fndecl):  New.
4249         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
4250         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
4251         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
4252
4253 2005-04-13  Devang Patel  <dpatel@apple.com>
4254
4255         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
4256         temp variables.
4257
4258 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
4259
4260         CRIS prologue as RTL.
4261         * config/cris/cris-protos.h (cris_emit_movem_store)
4262         (cris_expand_prologue): Prototype.
4263         * config/cris/cris.c (struct machine_function): New member
4264         stdarg_regs.
4265         (cfa_label_num, cris_target_asm_function_prologue): Remove.
4266         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
4267         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
4268         (cris_load_multiple_op, cris_return_address_on_stack)
4269         (cris_return_address_on_stack_for_return): ISO-Cify.
4270         (cris_store_multiple_op): New predicate function.
4271         (cris_expand_prologue, cris_emit_movem_store): New functions.
4272         (cris_print_operand) <case 'O'>: Handle modifications other than
4273         post-increment.
4274         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
4275         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
4276         (cris_gen_movem_load): Rearrange slightly to make local variable
4277         src a parameter, removing osrc.
4278         (cris_setup_incoming_varargs): Set machine_function member
4279         stdarg_regs to correspond to the number of registers that need to
4280         be saved.
4281         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
4282         CRIS_UNSPEC_GOT.
4283         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
4284         cris_general_operand_or_gotless_symbol accept UNSPEC.
4285         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
4286         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
4287         ("*cris_store_multiple"): New pattern.  Tweak common comment above
4288         this and "*cris_load_multiple".
4289         ("prologue"): New define_expand.
4290
4291         * config/cris/cris.md ("epilogue"): Conditionalize on
4292         TARGET_PROLOGUE_EPILOGUE.
4293
4294 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
4295
4296         PR target/20924
4297         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
4298         fpsr 0 instead of fpsr 1.
4299         (divsf3_internal_thr): Ditto.
4300         (divdf3_internal_lat): Ditto.
4301         (divdf3_internal_thr): Ditto.
4302         (divxf3_internal_lat): Ditto.
4303         (divxf3_internal_thr): Ditto.
4304
4305 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
4306
4307         PR tree-optimization/20913
4308         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
4309
4310         PR tree-optimization/20702
4311         * tree-vrp.c (maybe_add_assert_expr): Recurse into
4312         dominator children that haven't been walked into.
4313
4314 2005-04-13  Julian Brown  <julian@codesourcery.com>
4315
4316         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
4317         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
4318         is true.
4319
4320 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
4321
4322         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
4323         config/i386/sse.md: Fix comment typos.
4324
4325         * genattrtab.c (NULL_ATTR): Remove.
4326         * ifcvt.c (NULL_EDGE): Likewise.
4327
4328         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
4329
4330         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
4331         NOTE_PREDICT): Remove.
4332
4333 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
4334
4335         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
4336         * configure: Regenerate.
4337         * config.in: Likewise.
4338         * system.h: Declare vsnprintf if not already declared.
4339
4340 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
4341
4342         * optc-gen.awk: Handle stand-alone Mask records.
4343         * opth-gen.awk: Likewise.
4344         * doc/options.texi (Option file format): Document them.
4345         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
4346         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
4347         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
4348         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
4349         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
4350         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
4351         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
4352         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
4353         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
4354         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
4355         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
4356         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
4357         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
4358         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
4359         TARGET_LONG_DOUBLE_128): Likewise.
4360         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
4361         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
4362         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
4363         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
4364         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
4365         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
4366         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
4367         * config/sparc/sparc.c (fpu_option_set): New global.
4368         (sparc_handle_option): New function.
4369         (sparc_override_options): Test fpu_option_set.
4370         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
4371         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
4372         * config/sparc/sparc.opt: New file.
4373         * config/sparc/little-endian.opt: Likewise.
4374         * config/sparc/long-double-switch.opt: Likewise.
4375
4376 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
4377
4378         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
4379         (bfin_handle_options): Set it if -mshared-library-id= is seen.
4380         * config/bfin/bfin.opt (mshared-library-id=): Lose
4381         Var(bfin_lib_id_given).
4382
4383 2005-04-13  Matt Thomas  <matt@3am-software.com>
4384
4385         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
4386         defining.
4387
4388 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
4389
4390         * rtl.h (CLEAR_RTX_FLAGS): Remove.
4391
4392         * cgraphunit.c (INSNS_PER_CALL): Remove.
4393
4394         * tree-ssa-forwprop.c (vars,
4395         record_single_argument_cond_exprs,
4396         substitute_single_use_vars): Remove.
4397         (forward_propagate_into_cond_1, forward_propagate_into_cond):
4398         New.
4399         (tree_ssa_forward_propagate_single_use_vars): Call
4400         forward_propagate_into_cond for each COND_EXPR.
4401
4402         * tree-inline.c (INSNS_PER_STMT): Remove.
4403
4404 2005-04-12  Richard Henderson  <rth@redhat.com>
4405
4406         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
4407         (ix86_expand_sse_fp_minmax): ... from ...
4408         (ix86_expand_fp_movcc): ... here.
4409         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
4410         * config/i386/i386-protos.h: Update.
4411         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
4412         (sse_setccsf, sse_setccdf): Allow before reload.
4413         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
4414         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
4415         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
4416         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
4417         (anddf3, nanddf3, iordf3, xordf3): New.
4418
4419 2005-04-12  Jeff Law  <law@redhat.com>
4420
4421         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
4422         (tree-ssa-uncprop.o): Add dependencies.
4423         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
4424         * tree-flow.h (remove_useless_stmts): Remove prototype.
4425         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
4426         remove_useless_stmts.
4427         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
4428         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
4429         * tree-pass.h (pass_uncprop): Declare.
4430         * tree-ssa-uncprop.c: New file.
4431
4432 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
4433
4434         PR target/20670
4435         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
4436
4437 2005-04-12  Caroline Tice  <ctice@apple.com>
4438
4439         Temporary fix for partitioning problems.
4440         * passes.c (rest_of_handle_final): Remove code that
4441         frees unlikely_text_section_name,
4442         * varasm.c (assemble_start_function): Test for partitioning
4443         flag before writing out section labels.
4444         (assemble_end_function): Test for partitioning flag before
4445         writing out section labels.
4446
4447 2005-04-12  Steven Bosscher  <stevenb@suse.de>
4448             Stuart Hastings <stuart@apple.com>
4449             Jan Hubicka  <jh@suse.cz>
4450
4451         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
4452         references to gt-tree-cfg.h.
4453         * basic-block.h (struct basic_block_def): Don't skip rbi
4454         for garbage collection.
4455         (struct reorder_block_def): Make GTY-able.
4456         (struct control_flow_graph): New structure.
4457         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
4458         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
4459         but instead defines to the control_flow_graph for cfun.
4460         (label_to_block_map): New define, points to the label map of
4461         the control_flow_graph for cfun.
4462         (n_edges_for_function, n_basic_blocks_for_function,
4463         last_basic_block_for_function, basic_block_info_for_function,
4464         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
4465         basic_block_info_for_function, label_to_block_map_for_function):
4466         Counterparts for the above, taking a struct function as an extra
4467         argument.
4468         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
4469         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
4470         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
4471         (alloc_rbi_pool, free_rbi_pool): Remove.
4472         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
4473         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
4474         here...
4475         (cfg_layout_finalize) ... and don't free it here.
4476         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
4477         garbage collected.
4478         * flow.c (free_basic_block_vars): Set label_to_block_map and
4479         n_edges to zero too.
4480         * function.h (struct function): Add cfg field.
4481         * function.c (allocate_struct_function): Allocate the cfg.
4482         * tree-cfg.c (label_to_block_map): Remove.
4483         (build_tree_cfg): Don't allocate the rbi pool here...
4484         (delete_tree_cfg_annotations): ...and don't free it here.
4485         Also don't nullify label_to_block_map for cfun.
4486
4487 2005-04-12  Caroline Tice  <ctice@apple.com>
4488
4489         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
4490         Revert my patch from April 9.
4491         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
4492         (reorder_basic_blocks): Revert my patch from April 9.
4493         (insert_section_boundary_note): Revert my patch from April 9.
4494         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
4495         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
4496         (COLD_END_LABEL):  Revert my patch from April 9.
4497         (cold_text_section_label):  Revert my patch from April 9.
4498         (cold_end_label): Revert my patch from April 9.
4499         (dwarf2out_switch_text_section): Revert my patch from April 9.
4500         (output_aranges): Revert my patch from April 9.
4501         (output_ranges):  Revert my patch from April 9.
4502         (output_line_info): Revert my patch from April 9.
4503         (add_location_or_const_value_attribute):  Revert my patch from April 9.
4504         (dwarf2out_var_location): Revert my patch from April 9.
4505         (dwarf2out_init):  Revert my patch from April 9.
4506         (dwarf2out_finish): Revert my patch from April 9.
4507         * function.h (struct function): Revert my patch from April 9.
4508         * opts.c (decode_options): Revert my patch from April 9.
4509         * output.h (unlikely_section_label, hot_section_label,
4510         hot_section_end_label, cold_section_end_label,
4511         unlikely_text_section_name): Revert my patch from April 9.
4512         * passes.c (rest_of_handle_final): Revert my patch from April 9.
4513         * varasm.c (unlikely_section_label, hot_section_label,
4514         hot_section_end_label, cold_section_end_label,
4515         unlikely_text_section_name): Revert my patch from April 9.
4516         (initialize_cold_section_name): Revert my patch from April 9.
4517         (unlikely_text_section): Revert my patch from April 9.
4518         (in_unlikely_text_section): Revert my patch from April 9.
4519         (named_section): Revert my patch from April 9.
4520         (function_section): Revert my patch from April 9.
4521         (current_function_section): Revert my patch from April 9.
4522         (assemble_start_function): Revert my patch from April 9.
4523         (assemble_end_function): Revert my patch from April 9.
4524         (default_section_type_flags_1): Revert my patch from April 9.
4525
4526 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4527
4528         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
4529         * config/sparc/sparc.md (untyped_call): Save the registers manually.
4530
4531         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
4532
4533 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
4534
4535         PR middle-end/20917
4536         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
4537         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
4538
4539 2004-04-12  Richard Henderson  <rth@redhat.com>
4540
4541         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
4542         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
4543         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
4544         (UNSPEC_*, UNSPECV_*): Renumber.
4545
4546 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
4547
4548         PR mudflap/19266
4549         From Richard Henderson <rth@redhat.com>:
4550         * tree-mudflap.c (mf_build_check_statement_for): Correct block
4551         splitting logic.
4552
4553 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
4554
4555         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
4556
4557 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
4558
4559         * config/bfin/bfin.c (bfin_library_id_string): Remove.
4560         (bfin_library_id): New variable.
4561         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
4562         instead of bfin_library_id_string.
4563         (bfin_handle_option): New function.
4564         (override_options): Remove most code to deal with shared library IDs,
4565         just check they aren't used without -mid-shared-library.
4566         (TARGET_HANDLE_OPTION): Define.
4567         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
4568         * config/bfin/bfin.opt (mshared-library-id=): New.
4569
4570 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
4571
4572         * tree-vect-transform.c: Fix comment typos.
4573
4574 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
4575
4576         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
4577         split critical edges when not possible/profitable.
4578
4579 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
4580
4581         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
4582         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
4583         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
4584         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
4585         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
4586         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
4587         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
4588         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
4589         MASK_NO_BITFIELD.
4590         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
4591         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4592         * config/ns32k/ns32k.opt: New file.
4593
4594 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
4595
4596         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
4597         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
4598         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
4599         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
4600         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
4601         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
4602         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
4603         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
4604         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
4605         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
4606         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
4607         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
4608         (MASK_COLDFIRE): Formatting fixes.
4609         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
4610         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
4611         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
4612         "_current_shared_library_a5_offset_".
4613         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4614         (MASK_ALL_CPU_BITS): New macro.
4615         (m68k_handle_option): New function.
4616         (override_options): Remove handling of m68k_library_id_string.
4617         * config/m68k/m68k.opt: New file.
4618         * config/m68k/ieee.opt: New file.
4619
4620 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
4621
4622         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
4623         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
4624         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
4625         (TARGET_CXX): Adjust accordingly.
4626         * target.h (struct gcc_target): Remove epxort_class_data.  Add
4627         determine_class_data_visibility and class_data_always_comdat.
4628         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
4629         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
4630         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
4631         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
4632         (arm_cxx_determine_class_data_visibility): New.
4633         (arm_cxx_class_data_always_comdat): Likewise.
4634         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
4635         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
4636         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
4637         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
4638         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
4639         Define.
4640
4641 2005-04-11  Devang Patel  <dpatel@apple.com>
4642
4643         * tree-data-ref.c (build_classic_dist_vector,
4644         compute_subscript_distance): Make externally visible.
4645         * tree-data-ref.h (build_classic_dist_vector,
4646         compute_subscript_distance): Same.
4647         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
4648         Check distance vector against vectorization factor.
4649         (vect_analyze_loop): Determine vectorizaion factor before
4650         analyzing data dependences.
4651         * tree-vectorizer.c (loops_num): Make it externally visible and
4652         rename ...
4653         * tree-vectorizer.c (vect_loops_num): ... new name.
4654         * tree-vectorizer.h  (vect_loops_num): New.
4655
4656 2005-04-11  Devang Patel  <dpatel@apple.com>
4657
4658         * tree-vect-analyze.c (vect_analyze_operations): Check
4659         vectorizable codition.
4660         * tree-vect-transform.c (vect_is_simple_cond): New function.
4661         (vectorizable_condition): New function.
4662         (vect_transform_stmt): Handle condition_vec_info_type.
4663         * tree-vectorizer.h (enum stmt_vec_info_type): Add
4664         condition_vec_info_type.
4665         (vectorizable_condition): New.
4666
4667 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
4668
4669         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
4670         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
4671         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
4672
4673         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
4674         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
4675
4676         * dwarf2out.c (output_line_info): Don't try to dereference
4677         a NULL current_function_decl.
4678
4679         * config/t-slibgcc-darwin: Don't put shared libraries in
4680         directories other than $(slibdir).
4681         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
4682         OS uses for it.
4683
4684 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
4685
4686         PR tree-optimization/20933
4687         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
4688         logic to reject aliases between read-only and writable
4689         variables ...
4690         (may_alias_p): ... here.
4691         (get_tmt_for): Do not associate read-only tags to pointers
4692         whose pointed-to type is not read-only.
4693         * tree-ssa.c (verify_ssa): Check that memory stores have at
4694         least one V_MAY_DEF or V_MUST_DEF.
4695
4696 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4697
4698         PR/17092
4699         * configure.ac (gcc_UNLOCKED_FUNCS): New.
4700         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
4701         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
4702         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
4703         _unlocked function.
4704         (fwrite_unlocked): Fix prototype.
4705
4706         * configure, config.in: Regenerate.
4707
4708 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
4709
4710         * tree-ssa-loop-im.c: Include real.h.
4711         (determine_invariantness_stmt): If real division divisor is
4712         invariant and flag_unsafe_math_optimizations enabled, generate
4713         invariant reciprocal for hoisting.
4714         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
4715
4716 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
4717
4718         Fix PR tree-optimization/20926
4719
4720         * tree-ssa-alias.c (add_type_alias): Handle subvars.
4721
4722 2005-04-11  Devang Patel  <dpatel@apple.com>
4723
4724         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
4725         operand ordering.
4726
4727 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
4728
4729         * fold-const.c (fold_binary_op_with_conditional_arg):
4730         use fold_buildN instead of "fold (buildN" in some
4731         non obvious places.
4732         (fold_unary): Likewise.
4733         (fold_binary): Likewise.
4734
4735 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
4736
4737         Fix PR tree-optimization/20612
4738         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
4739         handling
4740         (perfect_nestify): preheaderbb is *not* part of loop of the
4741         old destination.
4742
4743 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
4744
4745         * tree-ssa-alias.c (may_alias_p): If the variable
4746         is a global variable and the pointer is parameter
4747         and -fargument-noalias-global is used, then
4748         the pointer cannot alias the variable.
4749
4750 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
4751
4752         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
4753         * config/sparc/sparc.h: Likewise.
4754         * config/sparc/sparc.md: Likewise.
4755
4756 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
4757
4758         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
4759
4760         * tree-vrp.c: Fix a comment typo.
4761
4762 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
4763
4764         PR tree-optimization/20920
4765         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
4766         SSA_NAME flows through an abnormal edge.
4767         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
4768         through abnormal edges.
4769         (maybe_add_assert_expr): Likewise.
4770
4771 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
4772
4773         * config/s390/s390.h (s390_tune_string, s390_arch_string)
4774         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
4775         (s390_stack_size_string, s390_stack_guard_string, target_flags)
4776         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
4777         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
4778         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
4779         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
4780         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
4781         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
4782         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
4783         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
4784         (TARGET_HANDLE_OPTION): Likewise.
4785         (s390_tune): Initialize to PROCESSOR_max.
4786         (s390_arch_string): Make static.
4787         (s390_tune_string, s390_warn_framesize_string): Delete.
4788         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
4789         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
4790         (s390_handle_arch_option, s390_handle_option): New functions.
4791         (override_options): Remove parsing of option strings.
4792         * config/s390/s390.opt: New file.
4793
4794 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
4795
4796         * tree-complex.c (expand_vector_operations): Call
4797         update_stmt_if_modified.
4798
4799 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
4800
4801         * tree-vect-analyze (vect_determine_vectorization_factor):
4802         Do not use GET_MODE_NUNITS.
4803         * tree-vect-transform.c (vect_get_vec_def_for_operand,
4804         (vectorizable_load, vect_transform_loop): Likewise.
4805
4806 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
4807
4808         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
4809         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
4810         * optabs.h (enum optab_index): Add new OTI_lceil.
4811         (lceil_optab): Define corresponding macro.
4812         * optabs.c (init_optabs): Initialize lceil_optab.
4813         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
4814         and lceildi2 patterns.
4815         * builtins.c (expand_builtin_int_roundingfn): Handle
4816         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
4817         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
4818         BUILT_IN_LLCEIL{,F,L}.
4819         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
4820         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
4821         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
4822         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
4823         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
4824         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
4825         into lceil built-in function and (long long int)ceil{,f,l} into
4826         llceil built-in function.
4827         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
4828         BUILT_IN_LLCEIL.
4829
4830 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4831
4832         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
4833         zero.
4834
4835 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
4836
4837         * config/arm/arm.c: Fix a comment typo.
4838         * doc/tree-ssa.texi: Fix a typo.
4839
4840 2005-04-10  Steven Bosscher  <stevenb@suse.de>
4841
4842         * cselib.c (clear_table): Rename to cselib_clear_table.
4843         * cselib.h (cselib_clear_table): Add prototype.
4844         * gcse.c (gcse_main): Make 'f' argument unused.
4845         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
4846         of each basic block instead.
4847         (compute_sets, compute_hash_table_work): Likewise.
4848         (constprop_register): Change int 'alter_jumps' argument to bool.
4849         (do_local_cprop): Likewise.
4850         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
4851         the insn chain.  Explicitly clear the cselib tables after finishing
4852         one basic block.  Make sure there are no unterminated libcall blocks.
4853         Update compute_sets call.
4854         (cprop): Walk basic blocks instead of the insn chain.
4855         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
4856         Likewise.
4857         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
4858         one_cprop_pass calls.
4859
4860 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
4861
4862         * combine.c (combine_simplify_rtx): Remove a transformation that
4863         relies on an invalid assumption about rtl sign-extension semantics.
4864
4865 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
4866
4867         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
4868         to build_int_cst_wide.
4869
4870 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
4871
4872         PR target/20126
4873         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
4874         set the original address pseudo to the correct value before the
4875         original insn, if possible, and leave the insn alone, otherwise
4876         create a new pseudo, set it and replace it in the insn.
4877         * recog.c (validate_change_maybe_volatile): New.
4878         * recog.h (validate_change_maybe_volatile): Declare.
4879
4880 2005-04-09  Caroline Tice  <ctice@apple.com>
4881
4882         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
4883         Remove targetm.have_named_sections test.
4884         (fix_edges_for_rarely_executed_code): Likewise.
4885         (insert_section_boundary_note): Likewise.
4886         (reorder_basic_blocks): Check partitioning flag before calling
4887         verify_hot_cold_block_grouping.
4888         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
4889         the function struct rather than global variables.
4890         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
4891         (COLD_END_LABEL): Likewise
4892         (cold_text_section_label): New static global variable.
4893         (cold_end_label): Likewise.
4894         (dwarf2out_switch_text_section): Get hot/cold section labels from
4895         the function struct rather than global variables.
4896         (output_aranges): Use cold_text_section_label and cold_end_label;
4897         check partitioning flag before putting out delta.
4898         (output_ranges): Remove incorrect code attempting to use
4899         hot/cold labels.
4900         (output_line_info): Get cold section label from function struct.
4901         (add_location_or_const_value_attribute): Likewise.
4902         (get_subprogram_die): Get hot/cold section labels from function struct.
4903         (dwarf2out_var_location): Likewise.
4904         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
4905         write out cold_text_section_label if partition flag is set.
4906         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
4907         * function.h (struct function): Add new fields to point to hot/cold
4908         section labels: hot_section_label, cold_section_label,
4909         hot_section_end_label and cold_section_end_label; also add new field
4910         for cold text section name, unlikely_text_section_name.
4911         * opts.c (decode_options): Turn off partitioning flag if
4912         !targetm.have_named_sections.
4913         * output.h (hot_section_label): Remove.
4914         (hot_section_end_label): Remove.
4915         (cold_section_end_label): Remove.
4916         (unlikely_section_label): Remove.
4917         (unlikely_text_section_name): Remove.
4918         * passes.c (rest_of_handle_final):  Remove code that frees
4919         unlikely_text_section_name.
4920         * varasm.c (unlikely_section_label): Remove.
4921         (hot_section_label): Remove.
4922         (hot_section_end_label): Remove.
4923         (cold_section_end_label): Remove.
4924         (unlikely_text_section_name):  Remove.
4925         (initialize_cold_section_name): Modify to call
4926         targetm.strip_name_encoding; to store cold section name in current
4927         function struct, if it exists; and to only use the decl_section_name
4928         if flag_named_sections is true.
4929         (unlikely_text_section): Modify to get section name out of current
4930         function struct, if there is one; otherwise build it from
4931         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
4932         (in_unlikely_text_section): Likewise.
4933         (named_section): Modify to get/put cold section name in current function
4934         struct, if there is one.
4935         (function_section):  Change 'bool unlikely' to 'int reloc'; check
4936         targetm.have_named_sections before calling named_section.
4937         (current_function_section): Likewise.
4938         (assemble_start_function): Modify to get/put unlikely_text_section_name
4939         in current function struct; modify to get hot/cold section labels
4940         from function struct; initialize labels using
4941         ASM_GENERATE_INTERNAL_LABEL;
4942         test partitioning flag before writing out hot section label.
4943         (assemble_end_function): Test partitioning flag before writing out
4944         hot/cold section labels.
4945         (default_section_type_flags_1):  Modify to use array instead of
4946          char* for unlikely_text_section_name; set flags correctly for
4947          cold text section if there is not a current function decl.
4948
4949 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
4950
4951         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
4952         and TI_VA_LIST_FPR_COUNTER_FIELD.
4953         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
4954         * tree-pass.h (pass_stdarg): Add.
4955         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
4956         * tree-stdarg.c: New file.
4957         * tree-stdarg.h: New file.
4958         * Makefile.in (OBJS-common): Add tree-stdarg.o.
4959         (tree-stdarg.o): Add dependencies.
4960         * function.h (struct function): Add va_list_gpr_size and
4961         va_list_fpr_size fields.
4962         * function.c (allocate_struct_function): Initialize them.
4963         * target.h (struct gcc_target): Add stdarg_optimize_hook.
4964         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
4965         (TARGET_INITIALIZER): Add it.
4966
4967         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
4968         va_list_{g,f}pr_counter_field.
4969         (ix86_setup_incoming_varargs): Don't do anything if reg_save
4970         area will not be used.  Only save registers that tree-stdarg.c
4971         detected they need saving.
4972         (ix86_va_start): Don't set up fields that won't be used.
4973
4974         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
4975         va_list_{g,f}pr_counter_field.
4976         (setup_incoming_varargs): Don't do anything if reg_save
4977         area will not be used.  Only save registers that tree-stdarg.c
4978         detected they need saving.
4979         (rs6000_va_start): Don't set up fields that won't be used.
4980
4981         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
4982         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
4983         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
4984         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
4985
4986 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
4987
4988         PR target/20795
4989         * config/i386/i386.c (construct_container): Pass empty aligned
4990         struct, union or class in memory.
4991
4992 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
4993
4994         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
4995         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
4996         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
4997         config/rs6000/predicates.md: Fix comment typos.
4998
4999         * sched-int.h (haifa_insn_data): Remove blockage and units.
5000         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
5001         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
5002         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
5003
5004 2005-04-09  Jan Hubicka  <jh@suse.cz>
5005             Steven Bosscher  <stevenb@suse.de>
5006
5007         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
5008         * cfgloop.c (get_loop_exit_edges): Likewise.
5009         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
5010         (unloop): Likewise.
5011         * loop-unroll.c (analyze_insns_in_loop): Likewise.
5012         * tree-cfg.c (dump_cfg_status): Likewise.
5013
5014 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
5015
5016         * config/rs6000/predicates.md (altivec_register_operand): Remove
5017         redundant match_code test.
5018         (gpc_reg_operand): Same.
5019         (cc_reg_operand): Same.
5020         (cc_reg_not_cr0_operand): Same.
5021
5022 2005-04-09  Jan Hubicka  <jh@suse.cz>
5023
5024         Forgotten hunk from my last merge patch:
5025         * final.c (output_addr_const): Do not call mark_referenced.
5026
5027 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
5028
5029         * doc/tree-ssa.texi: Add immediate use documentation.
5030
5031 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
5032
5033         * arm.c (FL_WBUF): Define.
5034         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
5035         (arm_is_6_or_7): Delete.
5036         (arm_tune_wbuf): New.
5037         (arm_override_options): Set arm_tune_wbuf.
5038         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
5039         (arm_is_6_or_7): Delete declaration.
5040         (arm_tune_wbuf): New declartion.
5041         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
5042         (model_wbuf): Derive from arm_tune_wbuf.
5043         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
5044         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
5045         (arm740t): Mark CPUs as having a write buffer.
5046
5047 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
5048
5049         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
5050         of 'const_double_operand' in operand 2 constraints.  Update enable
5051         condition.
5052
5053 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
5054
5055         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
5056         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
5057         * optabs.h (enum optab_index): Add new OTI_lfloor.
5058         (lfloor_optab): Define corresponding macro.
5059         * optabs.c (init_optabs): Initialize lfloor_optab.
5060         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
5061         and lfloordi2 patterns.
5062         * builtins.c (expand_builtin_int_roundingfn): New prototype.
5063         (expand_builtin_int_roundingfn): New function.
5064         (fold_builtin_int_roundingfn): New prototype.
5065         (fold_builtin_int_roundingfn): New function, renamed from
5066         fold_builtin_lround.
5067         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
5068         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
5069         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
5070         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
5071         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
5072         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
5073         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
5074         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
5075         into lfloor built-in function and (long long int)floor{,f,l} into
5076         llfloor built-in function.
5077         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
5078         BUILT_IN_LLFLOOR.
5079
5080 2005-04-08  Ian Lance Taylor  <ian@airs.com>
5081
5082         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
5083         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
5084         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
5085         (DO_COND, DO_BODY): Likewise.
5086         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
5087         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
5088         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
5089         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
5090         (build_continue_stmt, build_break_stmt): Don't declare.
5091         (c_do_switch_warnings): Update declaration.
5092         * c-gimplify.c (enum bc_t): Remove.
5093         (struct c_gimplify_ctx, ctxp): Remove.
5094         (push_context, pop_context): Remove static functions.
5095         (c_genericize): Don't call push_context or pop_context.
5096         (begin_bc_block, finish_bc_block): Remove static functions.
5097         (build_bc_goto): Likewise.
5098         (gimplify_c_loop): Likewise.
5099         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
5100         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
5101         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
5102         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
5103         * c-common.c (c_do_switch_warnings): Rename from
5104         c_do_switch_warnings_1.
5105         (c_do_switch_warnings) [old version]: Remove.
5106         (c_do_switch_expr_warnings): Remove.
5107         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
5108         function instead of c_do_switch_expr_warnings.
5109         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
5110         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
5111         * c-pretty-print.c (pp_c_statement): Likewise.
5112         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
5113
5114 2005-04-08  Devang Patel  <dpatel@apple.com>
5115
5116         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
5117         While selecting replacement condition pay attention to loop header.
5118
5119 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
5120
5121         Merge from tree-cleanup-branch: VRP, store CCP, store
5122             copy-prop, incremental SSA updating of FUD chains and
5123             newly exposed symbols.
5124
5125         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
5126         (OBJS-common): Add tree-vrp.o.
5127         (tree-vrp.o): New rule.
5128         * basic-block.h (nearest_common_dominator_for_set): Declare.
5129         * common.opt (ftree-store-ccp): New flag.
5130         (ftree-copy-prop): New flag.
5131         (ftree-vrp): New flag.
5132         (ftree-store-copy-prop): New flag.
5133         * dominance.c (nearest_common_dominator_for_set): New.
5134         * domwalk.c (walk_dominator_tree): Only traverse
5135         statements in blocks marked in walk_data->interesting_blocks.
5136         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
5137         * fold-const.c (fold): Handle ASSERT_EXPR.
5138         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
5139         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
5140         flag_tree_vrp at -O2.
5141         * timevar.def (TV_TREE_VRP): Define.
5142         (TV_TREE_COPY_PROP): Define.
5143         (TV_TREE_STORE_COPY_PROP): Define.
5144         (TV_TREE_SSA_INCREMENTAL): Define.
5145         (TV_TREE_STORE_CCP): Define.
5146         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
5147         to kill_redundant_phi_nodes from comment.
5148         (verify_expr): Handle ASSERT_EXPR.
5149         * tree-dfa.c (mark_new_vars_to_rename): Remove second
5150         argument.  Update all users.
5151         (mark_call_clobbered_vars_to_rename): Remove.  Update all
5152         users.
5153         * tree-flow-inline.h (unmodifiable_var_p): New.
5154         * tree-flow.h (enum value_range_type): Declare.
5155         (struct value_range_def): Declare.
5156         (value_range): Declare.
5157         (remove_all_phi_nodes_for): Remove.  Update all users.
5158         (find_phi_node_for): Declare.
5159         (add_type_alias): Declare.
5160         (count_uses_and_derefs): Declare.
5161         (kill_redundant_phi_nodes): Remove.
5162         (rewrite_into_ssa): Remove.
5163         (rewrite_def_def_chains): Remove.
5164         (update_ssa, register_new_name_mapping, create_new_def_for,
5165         need_ssa_update_p, name_registered_for_update_p,
5166         release_ssa_name_after_update_ssa, dump_repl_tbl,
5167         debug_repl_tbl, dump_names_replaced_by,
5168         debug_names_replaced_by, mark_sym_for_renaming,
5169         mark_set_for_renaming, get_current_def, set_current_def,
5170         get_value_range, dump_value_range, debug_value_range,
5171         dump_all_value_ranges, debug_all_value_ranges,
5172         expr_computes_nonzero, loop_depth_of_name,
5173         unmodifiable_var_p): Declare.
5174         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
5175         ASSERT_EXPR.
5176         * tree-into-ssa.c (block_defs_stack): Update comment.
5177         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
5178         syms_to_rename, names_to_release, repl_tbl,
5179         need_to_initialize_update_ssa_p, need_to_update_vops_p,
5180         need_to_replace_names_p): New locals.
5181         (NAME_SETS_GROWTH_FACTOR): Define.
5182         (struct repl_map_d): Declare.
5183         (struct mark_def_sites_global_data): Add field
5184         interesting_blocks.
5185         (enum rewrite_mode): Declare.
5186         (REGISTER_DEFS_IN_THIS_STMT): Define.
5187         (compute_global_livein): Use last_basic_block instead of
5188         n_basic_blocks.
5189         (set_def_block): Remove last argument.  Update all callers.
5190         (prepare_use_operand_for_rename): Remove.  Update all callers.
5191         (prepare_def_operand_for_rename): Remove.  Update all callers.
5192         (symbol_marked_for_renaming): New.
5193         (is_old_name): New.
5194         (is_new_name): New.
5195         (repl_map_hash): New.
5196         (repl_map_eq): New.
5197         (repl_map_free): New.
5198         (names_replaced_by): New.
5199         (add_to_repl_tbl): New.
5200         (add_new_name_mapping): New.
5201         (mark_def_sites): Assume that all the operands in the
5202         statement are in normal form.
5203         (find_idf): Assert that the block in the stack is valid.
5204         (get_default_def_for): New.
5205         (insert_phi_nodes_for): Add new argument 'update_p'.
5206         Add documentation.
5207         If update_p is true, add a new mapping between the LHS of
5208         each new PHI and the name that it replaces.
5209         (insert_phi_nodes_1): Only call find_idf if needed.
5210         (get_reaching_def): Call get_default_def_for.
5211         (rewrite_operand): Remove.
5212         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
5213         and REWRITE_THIS_STMT are false.
5214         Assume that all the operands in the statement are in
5215         normal form.
5216         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
5217         (rewrite_virtual_phi_arguments): Remove.
5218         (invalidate_name_tags): Remove.
5219         (register_new_update_single, register_new_update_set,
5220         rewrite_update_init_block, replace_use,
5221         rewrite_update_fini_block, rewrite_update_stmt,
5222         rewrite_update_phi_arguments): New.
5223         rewrite_blocks): Remove argument 'fix_virtual_phis'.
5224         Add arguments 'entry', 'what' and 'blocks'.
5225         Initialize the dominator walker according to 'what' and
5226         'blocks'.
5227         Start the dominator walk at 'entry'.
5228         (mark_def_site_blocks): Add argument 'interesting_blocks'.
5229         Use it to configure the dominator walker.
5230         (rewrite_into_ssa): Remove argument 'all'.
5231         Make internal.
5232         (rewrite_all_into_ssa): Remove.
5233         (rewrite_def_def_chains): Remove.
5234         (mark_def_interesting, mark_use_interesting,
5235         prepare_phi_args_for_update, prepare_block_for_update,
5236         prepare_def_site_for, prepare_def_sites,
5237         dump_names_replaced_by, debug_names_replaced_by,
5238         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
5239         delete_update_ssa, create_new_def_for,
5240         register_new_name_mapping, mark_sym_for_renaming,
5241         mark_set_for_renaming, need_ssa_update_p,
5242         name_registered_for_update_p, ssa_names_to_replace,
5243         release_ssa_name_after_update_ssa,
5244         insert_updated_phi_nodes_for, update_ssa): New.
5245         * tree-loop-linear.c (linear_transform_loops): Call
5246         update_ssa instead of rewrite_into_ssa.
5247         * tree-optimize.c (vars_to_rename): Remove.
5248         Update all users.
5249         (init_tree_optimization_passes): Replace
5250         pass_redundant_phi with pass_copy_prop.
5251         Add pass_vrp.
5252         Replace pass_ccp with pass_store_ccp.
5253         Add pass_store_copy_prop after pass_store_ccp.
5254         (execute_todo): If the TODO_ flags don't include updating
5255         the SSA form, assert that it does not need to be updated.
5256         Call update_ssa instead of rewrite_into_ssa and
5257         rewrite_def_def_chains.
5258         If TODO_verify_loops is set, call verify_loop_closed_ssa.
5259         (tree_rest_of_compilation):
5260         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
5261         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
5262         TODO_cleanup_cfg): Renumber.
5263         (TODO_verify_loops, TODO_update_ssa,
5264         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
5265         TODO_update_ssa_only_virtuals): Define.
5266         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
5267         Declare.
5268         * tree-phinodes.c (make_phi_node): Update documentation.
5269         (remove_all_phi_nodes_for): Remove.
5270         (find_phi_node_for): New.
5271         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
5272         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
5273         (interpret_rhs_modify_expr): Likewise.
5274         * tree-sra.c (decide_instantiations): Mark all symbols in
5275         SRA_CANDIDATES for renaming.
5276         (mark_all_v_defs_1): Rename from mark_all_v_defs.
5277         (mark_all_v_defs): New function.  Update all users to call it
5278         with the whole list of scalarized statements, not just the
5279         first one.
5280         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
5281         (compute_flow_insensitive_aliasing): If the tag is
5282         unmodifiable and the variable isn't or vice-versa, don't
5283         make them alias of each other.
5284         (setup_pointers_and_addressables): If the type tag for
5285         VAR is about to change, mark the old one for renaming.
5286         (add_type_alias): New.
5287         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
5288         (ccp_lattice_t): Rename from latticevalue.
5289         (value): Remove.  Update all users.
5290         (const_val): New local variable.
5291         (do_store_ccp): New local variable.
5292         (dump_lattice_value): Handle UNINITIALIZED.
5293         (debug_lattice_value): New.
5294         (get_default_value): Re-write.
5295         (set_lattice_value): Re-write.
5296         (def_to_varying): Remove.  Update all users.
5297         (likely_value): Return VARYING for statements that make
5298         stores when STORE_CCP is false.
5299         Return VARYING for any statement other than MODIFY_EXPR,
5300         COND_EXPR and SWITCH_EXPR.
5301         (ccp_initialize): Re-write.
5302         (replace_uses_in, replace_vuse_in, substitute_and_fold):
5303         Move to tree-ssa-propagate.c.
5304         (ccp_lattice_meet): Handle memory stores when
5305         DO_STORE_CCP is true.
5306         (ccp_visit_phi_node): Likewise.
5307         (ccp_fold): Likewise.
5308         (evaluate_stmt): Likewise.
5309         (visit_assignment): Likewise.
5310         (ccp_visit_stmt): Likewise.
5311         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
5312         into DO_STORE_CCP.
5313         (do_ssa_ccp): New.
5314         (pass_ccp): Use it.
5315         (do_ssa_store_ccp): New.
5316         (gate_store_ccp): New.
5317         (pass_store_ccp): Declare.
5318         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
5319         (may_propagate_copy): Reformat.
5320         Don't abort if ORIG is a virtual and DEST isn't.
5321         If NEW does not have alias information but DEST does,
5322         copy it.
5323         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
5324         copy_prop_kind, which_copy_prop): Declare.
5325         (stmt_may_generate_copy, get_copy_of_val,
5326         get_last_copy_of, set_copy_of_val, dump_copy_of,
5327         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
5328         copy_prop_visit_stmt, copy_prop_visit_phi_node,
5329         init_copy_prop, fini_copy_prop, execute_copy_prop,
5330         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
5331         store_copy_prop): New.
5332         (pass_copy_prop, pass_store_copy_prop): Declare.
5333         * tree-ssa-dom.c (struct opt_stats_d): Add fields
5334         'num_const_prop' and 'num_copy_prop'.
5335         (cprop_operand): Update them.
5336         (dump_dominator_optimization_stats): Dump them.
5337         (tree_ssa_dominator_optimize): Call update_ssa instead of
5338         rewrite_into_ssa.
5339         (loop_depth_of_name): Declare extern.
5340         (simplify_cond_and_lookup_avail_expr): Guard against NULL
5341         values for LOW or HIGH.
5342         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
5343         (record_equivalences_from_stmt): Call expr_computes_nonzero.
5344         (cprop_operand): Only propagate if VAL != OP.
5345         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
5346         statement for renaming.
5347         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
5348         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
5349         add_type_alias if necessary.
5350         Call mark_new_vars_to_rename.
5351         (tree_ssa_iv_optimize): If new symbols need to be renamed,
5352         mark every statement updated, call update_ssa and
5353         rewrite_into_loop_closed_ssa.
5354         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
5355         from LIVEIN if VAR is a virtual.
5356         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
5357         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
5358         (get_call_expr_operands): Reformat statement.
5359         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
5360         symbols.
5361         * tree-ssa-propagate.c (ssa_prop_init): Initialize
5362         SSA_NAME_VALUE for every name.
5363         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
5364         get_value_loaded_by): New.
5365         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
5366         substitute_and_fold): Move from tree-ssa-ccp.c.
5367         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
5368         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
5369         get_value_loaded_by, replace_uses_in, substitute_and_fold):
5370         Declare.
5371         * tree-ssa.c (verify_use): Fix error message.
5372         (propagate_into_addr, replace_immediate_uses, get_eq_name,
5373         check_phi_redundancy, kill_redundant_phi_nodes,
5374         pass_redundant_phi): Remove.  Update all users.
5375         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
5376         add_type_alias, if necessary.
5377         * tree-vectorizer.h (struct _stmt_vect_info): Update
5378         documentation for field 'memtag'.
5379         * tree-vrp.c: New file.
5380         * tree.def (ASSERT_EXPR): Define.
5381         * tree.h (ASSERT_EXPR_VAR): Define.
5382         (ASSERT_EXPR_COND): Define.
5383         (SSA_NAME_VALUE_RANGE): Define.
5384         (struct tree_ssa_name): Add field 'value_range'.
5385         (PHI_REWRITTEN): Remove.
5386         (struct tree_phi_node): Remove field 'rewritten'.
5387         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
5388         -ftree-store-copy-prop): Document.
5389         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
5390         Document usage of update_ssa.
5391
5392 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
5393
5394         PR target/20814
5395         * config/rs6000/predicates.md (altivec_register_operand): Accept
5396         SUBREG.
5397         (and64_operand): Do not limit CONST_INT to mask64_operand.
5398         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
5399         (and_operand): Do not limit CONST_INT to mask_operand.
5400
5401 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
5402
5403         PR rtl-optimization/20466
5404         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
5405         for overlap of the address of each list member.
5406         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
5407
5408 2005-04-08  Mike Stump  <mrs@apple.com>
5409
5410         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
5411
5412         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
5413         instead of 4.
5414
5415 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
5416
5417         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
5418
5419         * function.c (push_function_context_to): Don't set
5420         contains_functions.
5421         * function.h (function): Remove contains_functions.
5422         (current_function_contains_functions): Remove.
5423
5424         * function.h (function): Remove instrument_entry_exit.
5425         (current_function_instrument_entry_exit): Remove.
5426
5427         * function.h (nonlocal_labels): Remove.
5428
5429         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
5430
5431         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
5432         (check_attr_value, write_attr_get, write_expr_attr_cache,
5433         find_attr, make_internal_attr): Don't reference negative_ok or
5434         unsigned_p.
5435         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
5436         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
5437         (ATTR_STATIC): Adjust the value.
5438
5439         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
5440
5441 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
5442
5443         * config/s390/tpf.h (ASM_SPEC): Define.
5444
5445 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
5446
5447         * tree-flow.h: Remove the prototype for
5448         redirect_immediate_uses.
5449         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
5450
5451 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
5452
5453         * arm.c (arm_const_double_by_parts): New function.
5454         * arm-protos.h (arm_const_double_by_parts): Add prototype.
5455         * arm.md (define_split for 64-bit constants): Add another one.
5456
5457 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
5458
5459         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
5460
5461 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5462
5463         * system.h: Revert last change.
5464
5465 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
5466
5467         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
5468         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
5469         (TARGET_SWITCHES): Delete.
5470         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
5471         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
5472         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
5473         * config/xtensa/xtensa.opt: New file.
5474
5475 2005-04-08  Ben Elliston  <bje@au.ibm.com>
5476
5477         * config/fp-bit.c: Include L_mul_tf in #endif comment.
5478         * config/fp-bit.h: Tidy comments.
5479
5480 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5481
5482         * system.h: Poison PARAMS.
5483
5484 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
5485
5486         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
5487         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
5488         (TARGET_SWITCHES): Delete.
5489         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
5490         * config/vax/vax.opt: New file.
5491
5492 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
5493
5494         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
5495
5496 2005-04-07  Ian Lance Taylor  <ian@airs.com>
5497
5498         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
5499         define.
5500         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
5501         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
5502         Likewise.
5503
5504 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
5505
5506         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
5507         all immediate uses in PHI nodes.
5508
5509 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
5510
5511         * arm.c (arm_const_double_inline_cost): Handle any constant by
5512         using gen_lowpart and gen_highpart_mode.
5513         (note_invalid_constants): All constants in an RTX with a constraint
5514         that permits memory are now pushed to the constant pool.
5515         (output_move_double): Delete code to handle reg to reg and
5516         constant to reg moves.
5517         (const_double_needs_minipool, output_mov_immediate): Delete.
5518         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
5519         CONST_INT and CONST_VECTOR.
5520         * arm.md (ANY64): New mode macro.
5521         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
5522         (movdf_soft_insn): Split reg-reg and const-reg moves.
5523         (split patterns for 64-bit constant and register moves): New.
5524         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
5525         (cirrus_movdf_hard_insn): Likewise.
5526         * fpa.md (movdf_fpa): Likewise.
5527         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
5528         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
5529         constraints.
5530         (movv2si_internal_2): Likewise.
5531         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
5532         (movdf_vfp): Likewise.
5533         * arm-protos.h (output_mov_immediate): Delete prototype.
5534
5535 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
5536
5537         PR target/20093
5538         * simplify-rtx.c (simplify_unary_operation_1): Check
5539         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
5540
5541 2005-04-06  James E Wilson  <wilson@specifixinc.com>
5542
5543         PR target/20717
5544         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
5545         ADDR_EXPR.
5546
5547 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
5548
5549         * coverage.h (GCOV_TYPE_NODE): Delete.
5550         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
5551         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
5552         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
5553         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
5554         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
5555
5556 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
5557
5558         PR other/20792
5559         * Makefile.in (gcc.pot): Remove options.c dependency.
5560         * optc-gen.awk: Don't quote help strings with N_().
5561
5562 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
5563
5564         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
5565         the function returns a pointer type.
5566
5567 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
5568
5569         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
5570         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
5571         * doc/invoke.texi: Documnet salias-max-implicit-fields.
5572         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
5573         explicit_uses members.
5574         (get_or_create_used_part_for): Initialize new fields.
5575         (fieldoff_compare): New function.
5576         (create_overlap_variables_for): Count number of fields, use
5577         heuristic to determine whether to create subvars for vars with
5578         only implicit uses.
5579         Sort the field list by offset and avoid creating duplicate SFT's.
5580
5581 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
5582
5583         * c.opt (-F): Remove trailing whitespace from help string.
5584         (-finput-charset): Use a tab to separate the switch name and help
5585         string.
5586         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
5587         (-ftree-vectorizer-verbose): Likewise.
5588
5589 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
5590
5591         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
5592         a PHI argument where a use occurs instead of all PHI arguments.
5593
5594 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
5595
5596         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
5597         scope.
5598
5599 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
5600
5601         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
5602         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
5603         config/bfin/bfin.h: Fix comment typos.
5604
5605 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
5606
5607         * doc/install.texi: Update the URL for Jacks.
5608         * doc/sourcebuild.texi: Likewise.
5609
5610 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
5611
5612         PR target/17245
5613         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
5614         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
5615
5616 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
5617
5618         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
5619
5620 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
5621
5622         * config/v850/v850-protos.h (override_options): Delete.
5623         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
5624         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
5625         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
5626         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
5627         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
5628         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
5629         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
5630         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
5631         (OVERRIDE_OPTIONS): Delete.
5632         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
5633         (small_memory_info): Remove the value field.
5634         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
5635         TARGET_NO_APP_REGS.
5636         * config/v850/v850.c (small_memory): Remove the value field.
5637         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5638         (override_options): Delete.
5639         (v850_handle_memory_option, v850_handle_option): New functions.
5640         * config/v850/v850.opt: New file.
5641
5642 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
5643
5644         * config.host: Add a section for generic hosts, and a subsection
5645         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
5646         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
5647         * config/host-darwin.h: New.
5648         * config/x-darwin: New.
5649         * config/i386/host-i386-darwin.c: New.
5650         * config/i386/x-darwin: New.
5651         * config/rs6000/host-darwin.c: Include host-darwin.h.
5652         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
5653         (darwin_rs6000_gt_pch_use_address): Likewise.
5654         * config/rs6000/x-darwin: Change name of .o built, update
5655         dependencies for changes to rs6000/host-darwin.c.
5656
5657 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
5658
5659         PR target/17824
5660         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
5661
5662 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
5663
5664         * tree-vect-analyze.c (vect_analyze_loop_form): Call
5665         split_loop_exit_edge instead of loop_split_edge_with.
5666
5667 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
5668
5669         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
5670         UNSPEC_SET_VSCR): New constants, used throughout.
5671         (*andc3_v4sf): New.
5672         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
5673         Replace with...
5674         (altivec_vspltis<VI_char>): ... this pattern, using
5675         a QImode const_int_operand for the immediate.
5676         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
5677         define_expands.
5678
5679 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
5680
5681         PR target/17822
5682         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
5683
5684 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
5685
5686         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
5687
5688 2005-04-06  Ben Elliston  <bje@au.ibm.com>
5689
5690         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
5691         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
5692         macros as living in "this file" and not gcc.h.
5693
5694 2005-04-06  Ben Elliston  <bje@au.ibm.com>
5695
5696         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
5697         -ftree-live_range_split.  Perhaps renamed at some point?
5698
5699 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
5700
5701         PR target/20625
5702         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
5703         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
5704
5705 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
5706
5707         * tree-flow.h (number_of_iterations_cond): Declaration removed.
5708         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
5709         (number_of_iterations_special): New function.
5710         (number_of_iterations_exit): Use number_of_iterations_special.
5711         Use simplify_using_outer_evolutions only at -O3.
5712         (number_of_iterations_cond, tree_simplify_using_condition,
5713         simplify_using_initial_conditions, loop_niter_by_eval,
5714         compare_trees, can_count_iv_in_wider_type_bound,
5715         simplify_using_outer_evolutions): Use fold_build.
5716
5717 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
5718
5719         * doc/install.texi (Configuration): Document --with-java-home.
5720
5721 2005-04-05  Richard Henderson  <rth@redhat.com>
5722
5723         PR target/20342
5724         PR target/20447
5725         * config/i386/i386.c (print_operand): Handle vector zeros.
5726         (ix86_split_to_parts): Handle CONST_VECTOR.
5727         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
5728         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
5729         what modes to tie for MMX and SSE registers.
5730         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
5731         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
5732         to vector modes as well.
5733         * config/i386/predicates.md (const0_operand): Handle VOIDmode
5734         properly as an input mode.
5735
5736 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
5737
5738         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
5739
5740 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
5741
5742         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
5743
5744 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
5745
5746         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
5747         and local functions, set sse_nregs to 8 and float_in_sse.
5748         (function_arg_advance, function_arg): If float_in_sse, pass
5749         SFmode and DFmode arguments in SSE registers.
5750         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
5751
5752         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
5753         of -funit-at-a-time.
5754
5755 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
5756
5757         * config/i386/i386-protos.h (ix86_function_value): Accept two
5758         arguments, like the target macro.
5759         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
5760         * config/i386/i386.c (ix86_function_value): Accept the second
5761         argument of the target macro.
5762         (ix86_function_ok_for_sibcall): Pass a function pointer to
5763         ix86_function_value.
5764         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
5765         call to ix86_value_regno).
5766         (ix86_value_regno): Add support for returning floating point values
5767         in SSE registers.
5768
5769 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
5770
5771         PR tree-optimization/20076
5772         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
5773         that call __builtin_return or __builtin_apply_args.
5774
5775 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
5776
5777         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
5778         Use immediate use iterator.
5779         (stmt_is_bumper_for_loop): Use immediate use iterator.
5780         * predict.c (strip_builtin_expect): Use update_stmt.
5781         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
5782         on all elements of a STATEMENT_LIST.
5783         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
5784         (bsi_remove): Remove imm_use links and mark the stmt as modified.
5785         (bsi_replace): Mark stmt as modified and the update it.
5786         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
5787         (expand_complex_libcal): Call update_stmt.
5788         (expand_complex_comparison): Call mark_stmt_modified.
5789         (expand_complex_operations_1): Call update_stmt_if_modified.
5790         (expand_vector_operations_1): Call mark_stmt_modified.
5791         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
5792         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
5793         add_immediate_use, redirect_immediate_use,
5794         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
5795         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
5796         (mark_new_vars_to_rename): Call update_stmt.
5797         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
5798         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
5799         Ignore PHI nodes.
5800         (unmodify_stmt): Delete.
5801         (update_stmt): New.  Force an update of a stmt.
5802         (update_stmt_if_modified): update a stmt if it is out of date.
5803         (get_stmt_operands): Verify stmt is NOT modified.
5804         (stmt_modified_p): Update comment.
5805         (delink_imm_use): Remove a use node from its immuse list.
5806         (link_imm_use_to_list): Link a use node to a specific list.
5807         (link_imm_use): Link a node to the correct list.
5808         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
5809         it in the correct list, if appropriate.
5810         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
5811         (relink_imm_use): Link a use node in place of another node in a list.
5812         (relink_imm_use_stmt): LInk a node in place of another node, and set
5813         the stmt pointer.
5814         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
5815         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
5816         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
5817         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
5818         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
5819         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
5820         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
5821         (has_zero_uses): New.  Return true if there are no uses of a var.
5822         (has_single_use): New.  Return true if there is only a single use of a
5823         variable.
5824         (single_imm_use): New.  Return the simgle immediate use.
5825         (num_imm_uses): New.  Return the number of immediate uses.
5826         (get_v_must_def_ops): Use is now a pointer.
5827         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
5828         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
5829         the use node.
5830         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
5831         (delink_stmt_imm_use): Delink all immuses from a stmt.
5832         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
5833         * tree-flow.h (struct dataflow_d): Delete.
5834         (immediate_use_iterator_d): New.  Immediate use iterator struct.
5835         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
5836         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
5837         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
5838         iteration.
5839         (struct stmt_ann_d): Remove dataflow_t from struct.
5840         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
5841         (if_convertible_phi_p): Use FAST immuse iterator.
5842         (if_convertible_loop_p): Don't call compute_immediate_uses.
5843         (replace_phi_with_cond_modify_expr): Call update_stmt.
5844         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
5845         update_stmt_if_modified.
5846         (rewrite_all_into_ssa): Initialize ssa operands.
5847         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
5848         compute_immediate_uses.
5849         * tree-optimize.c (execute_todo): Call verify_ssa whenever the
5850         ssa_property is available.
5851         (execute_one_pass):  Change parameters passed to execute_todo.
5852         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
5853         (remove_ssa_form): Call fini_ssa_operands.
5854         (insert_backedge_copies): Delete call to modify_stmt.
5855         * tree-phinodes.c (make_phi_node): Initialize use nodes.
5856         (release_phi_node): Delink any use nodes before releasing.
5857         (resize_phi_node): Relink any use nodes.
5858         (remove_phi_arg_num): Delink the use node.
5859         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
5860         (remove_all_phi_nodes_for): Release phi node first.
5861         * tree-pretty-print.c (dump_generic_node): Print stmt address.
5862         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
5863         (scalarize_use, scalarize_copy): Call update_stmt.
5864         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
5865         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
5866         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
5867         (ccp_initialize): Remove call to compute_immediate_uses.
5868         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
5869         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
5870         stmts.
5871         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
5872         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
5873         (eliminate_redundant_computations): Call mark_stmt_modified.
5874         (cprop_operand): Call mark_stmt_modified.
5875         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
5876         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
5877         (dse_optimize_stmt): Use new immuse interface.
5878         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
5879         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
5880         (substitute_single_use_vars): Use new immuse interface.
5881         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
5882         and compute_immediate_uses.
5883         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
5884         interface.
5885         (rewrite_mem_refs): Call update_stmt.
5886         (determine_lsm): Remove call to compute_imm_uses and free_df.
5887         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
5888         (try_unroll_loop_completely): Call update_stmt.
5889         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
5890         (rewrite_use_compare): Call update_stmt.
5891         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
5892         (rewrite_use) : Call update_stmt.
5893         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
5894         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
5895         update_stmt.
5896         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
5897         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
5898         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
5899         use nodes.
5900         (initialize_vuse_operand): New.  Initialize a vuse operand.
5901         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
5902         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
5903         (finalize_ssa_defs): Use stmt parameter.
5904         (correct_use_link): Ensure a use node is in the correct list, and has
5905         the correct stmt pointer.
5906         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
5907         finalize_ssa_v_must_defs): Also initialize use nodes.
5908         (finalize_ssa_stmt_operands): Pass extra stmt operands.
5909         (build_ssa_operands): Seperate parsing from final operand construction.
5910         (parse_ssa_operands): New.  Parse entry point for operand building.
5911         (swap_tree_operands): New.  Swap 2 tree operands.
5912         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
5913         operands.
5914         (get_expr_operands): Call swap_tree_operands when needed.
5915         (copy_virtual_operands): Use initialize routines for virtual use ops.
5916         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
5917         (verify_abort): New.  Issue imm_use error.
5918         (verify_imm_links): New Verify imm_use links for a var.
5919         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
5920         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
5921         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
5922         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
5923         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
5924         (NULL_USE_OPERAND_P) Define.
5925         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
5926         use node.
5927         (struct vuse_operand_type): New struct.
5928         (SET_USE): Call set_ssa_use_from_ptr.
5929         (USE_STMT): Define.
5930         (PHI_ARG_INDEX_FROM_USE): Define.
5931         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
5932         argument via SET_USE, not PHI_ARG_DEF_TREE.
5933         * tree-ssa-pre.c (eliminate): Call update_stmt.
5934         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
5935         call free_df.
5936         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
5937         (nearest_common_dominator_of_uses): Use imm_use iterator.
5938         (statement_sink_location): Use imm_use iterator and interface.
5939         (execute_sink_code): Don't call compute_immediate_uses or free-df.
5940         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
5941         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
5942         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
5943         (verify_ssa): Ensure no stmt is marked modify after optimization pass
5944         if new parameter is true.
5945         (init_tree_ssa): Don't initialize operand cache here.
5946         (delete_tree_ssa): Don't destroy operand cache here.
5947         (propagate_into_addr): Pass in a use pointer, return true if anything
5948         was changed.
5949         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
5950         (check_phi_redundancy): Use imm_use iterator.
5951         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
5952         free_df.
5953         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
5954         (release_ssa_name): Delink node and all elements in its imm_use list.
5955         * tree-tailcall.c (adjust_return_value): Call update_stmt.
5956         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
5957         * tree-vectorizer.c (need_imm_uses_for): Delete.
5958         (vectorize_loops): Dont call compute_immediate_uses or free_df.
5959         * tree.h (struct ssa_imm_use_d): Define.
5960         (SSA_NAME_IMM_USE_NODE): Define.
5961         (struct tree_ssa_name): Add imm_use node.
5962         (PHI_DF): Delete.
5963         (PHI_ARG_IMM_USE_NODE): Define.
5964         (struct phi_arg_d): Add imm_use node.
5965         (struct tree_phi_node): Remove struct dataflow_d element.
5966         (TDF_STMTADDR): Define.
5967
5968 2005-04-05  Dale Johannesen  <dalej@apple.com>
5969
5970         * doc/invoke.texi (Optimization Options):  Remove
5971         duplicate -fcse-follow-jumps.  Add -fweb.
5972         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
5973         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
5974
5975 2005-04-05  Per Bothner  <per@bothner.com>
5976
5977         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
5978         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
5979         (warn_uninit): Get EXPR_LOCUS from context now instead.
5980         This fixes a USE_MAPPED_LOCATION testsuite failure.
5981
5982         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
5983
5984 2005-04-05  Per Bothner  <per@bothner.com>
5985
5986         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
5987         of the artification 'return 0' in main() to BUILTINS_LOCATION.
5988         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
5989         before warning.
5990
5991 2004-04-05  Devang Patel  <dpatel@apple.com>
5992
5993         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
5994         (lhsr<mode>3): ... new name.
5995         (altivec_vsra<VI_char>): Rename to ..
5996         (ashr<mode>3): ... new name.
5997         * config/rs6000/rs6000.c (builtin_description): Rename shift
5998         operations.
5999
6000 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
6001
6002         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
6003         gen_lowpart_for_combine.
6004         * cse.c (gen_lowpart_if_possible): Move...
6005         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
6006         gen_lowpart_SUBREG.
6007         (gen_lowpart_no_emit_general): Use it.
6008
6009 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
6010
6011         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
6012         overriding.
6013
6014 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
6015
6016         * system.h: Fix typo.
6017
6018 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
6019
6020         * config/bfin/bfin-modes.def: New file.
6021         * config/bfin/bfin-protos.h: New file.
6022         * config/bfin/bfin.c: New file.
6023         * config/bfin/bfin.h: New file.
6024         * config/bfin/bfin.md: New file.
6025         * config/bfin/bfin.opt: New file.
6026         * config/bfin/crti.s: New file.
6027         * config/bfin/crtn.s: New file.
6028         * config/bfin/elf.h: New file.
6029         * config/bfin/lib1funcs.asm: New file.
6030         * config/bfin/predicates.md: New file.
6031         * config/bfin/t-bfin: New file.
6032         * config/bfin/t-bfin-elf: New file.
6033         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
6034         Document new attributes.
6035         (interrupt, interrupt_handler, saveall): Update documentation for
6036         these attributes.
6037         * doc/install.texi (Specific): Add entry for the Blackfin.
6038         * doc/invoke.texi (Blackfin Options): New section.
6039         * doc/md.texi (Blackfin family): New section to document constraints.
6040         * config.gcc: Add bfin*-* and bfin*-elf configurations.
6041
6042 2005-04-05  Olivier Hainque  <hainque@adacore.com>
6043
6044         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
6045         match what the system unwinder expects.
6046         * config/mips/mips.c (mips_frame_set): If we're saving the return
6047         address register and the dwarf return address column number differs
6048         from the hard register number, adjust the note reg to refer to the
6049         former.
6050
6051 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
6052
6053         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
6054         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
6055         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
6056         (processor_type): New enum.
6057         (mn10300_processor): New variable.
6058         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
6059         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
6060         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
6061         (PROCESSOR_DEFAULT): New macro.
6062         * config/mn10300/mn10300.c (mn10300_processor): New variable.
6063         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
6064         (mn10300_handle_option, mn10300_override_options): New functions.
6065         * config/mn10300/mn10300.opt: New file.
6066
6067 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
6068             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
6069
6070         PR tree-optimization/19903
6071         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
6072         that don't fit in their type after conversion.
6073
6074 2005-04-05  Uros Bizjak <uros@kss-loka.si>
6075
6076         PR target/20421
6077         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
6078         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
6079         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
6080         flag here. Implement using define_insn_and_split.
6081         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
6082         (frndintxf2_mask_pm_i387): New insn patterns.
6083         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
6084         Do not set ix86_optimize_mode_switching flag.
6085         (ceilsf2, ceildf2, ceilxf2): Same.
6086         (btruncsf2, btruncdf2, btruncxf2): Same.
6087         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
6088
6089 2005-04-05  Ian Lance Taylor  <ian@airs.com>
6090
6091         PR debug/9963
6092         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
6093         i386_pe_record_external_function.
6094         (i386_pe_record_external_function): Update declaration.
6095         * config/i386/winnt.c (struct extern_list): Add decl field.
6096         (i386_pe_record_external_function): Add decl parameter.
6097         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
6098         identifier.
6099         * config/i386/i386-protos.h (i386_pe_record_external_function):
6100         Update declaration.
6101
6102 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
6103
6104         * config/m68k/m68k-protos.h: Add a prototype for
6105         valid_dbcc_comparison_p_2.
6106         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
6107         extend_operator, const_uint32_operand, const_sint32_operand,
6108         general_src_operand, nonimmediate_src_operand,
6109         memory_src_operand, post_inc_operand, pre_dec_operand,
6110         pcrel_address): Move to predicates to predicates.md.
6111         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
6112         * config/m68k/m68k.md: Include predicates.md.
6113         * config/m68k/predicates.md: New.
6114
6115 2005-04-04  Roger Sayle  <roger@eyesopen.com>
6116
6117         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
6118
6119         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
6120
6121 2005-04-04  Ian Lance Taylor  <ian@airs.com>
6122
6123         * c-typeck.c (struct c_switch): Rename switch_stmt field to
6124         switch_expr.
6125         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
6126         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
6127         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
6128         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
6129         * c-common.c (c_do_switch_warnings_1): New static function broken
6130         out of c_do_switch_warnings.
6131         (c_do_switch_warnings): Call c_do_switch_warnings_1.
6132         (c_do_switch_expr_warnings): New function.
6133         * c-common.h (c_do_switch_expr_warnings): Declare.
6134
6135 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
6136             Daniel Jacobowitz  <dan@codesourcery.com>
6137
6138         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
6139         trapping divide.
6140         * rtlanal.c (may_trap_p): Same.
6141
6142 2005-04-04  Dale Johannesen  <dalej@apple.com>
6143
6144         * ChangeLog:  remove reference to ChangeLog.12.
6145
6146 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
6147
6148         CRIS epilogue as RTL.
6149         * config/cris/cris.md: Change all 0 in unspec 0 to
6150         CRIS_UNSPEC_PLT.
6151         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
6152         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
6153         patterns.
6154         ("return"): Change to define_expand.  Call cris_expand_return for
6155         actual expansion.
6156         ("*return_expanded"): New pattern.
6157         ("epilogue"): New define_expand.
6158         * config/cris/cris.h (PREDICATE_CODES): Add
6159         cris_load_multiple_op.
6160         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
6161         type.
6162         (enum cris_retinsn_type): New.
6163         (struct machine_function): New member return_type.
6164         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
6165         (cris_target_asm_function_epilogue): Remove, moving RTLified
6166         contents to...
6167         (cris_expand_epilogue): New function.
6168         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
6169         (cris_gen_movem_load, cris_load_multiple_op)
6170         (cris_return_address_on_stack_for_return, cris_expand_return): New
6171         functions.
6172         (cris_target_asm_function_prologue)
6173         (cris_initial_frame_pointer_offset): Call
6174         cris_reg_saved_in_regsave_area instead of complicated expression.
6175         Call cris_return_address_on_stack instead of an expression.
6176         (cris_print_operand) <case 'o', case 'O'>: New cases.
6177         (cris_return_address_on_stack): Change return-type to bool.
6178         (cris_simple_epilogue): Ditto.  Return false if registers are
6179         saved.
6180         * config/cris/cris-protos.h (cris_simple_epilogue)
6181         (cris_return_address_on_stack): Adjust prototype return type.
6182         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
6183         (cris_return_address_on_stack_for_return): New prototypes.
6184
6185 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
6186
6187         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
6188         gpr_or_int12_operand.
6189
6190         * config/frv/frv-protos.h: Add a prototype to
6191         frv_legitimate_memory_operand and frv_const_unspec_p.
6192         (frv_unspec): Move from frv.c.
6193         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
6194         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
6195         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
6196         gpr_or_fpr_operand, gpr_or_int12_operand,
6197         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
6198         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
6199         int6_operand, int5_operand, uint5_operand, uint4_operand,
6200         uint1_operand, int_2word_operand, uint16_operand,
6201         upper_int16_operand, integer_register_operand,
6202         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
6203         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
6204         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
6205         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
6206         move_destination_operand, movcc_fp_destination_operand,
6207         frv_function_symbol_referenced_p, move_source_operand,
6208         condexec_dest_operand, condexec_source_operand,
6209         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
6210         const_unspec_operand, gpr_or_memory_operand,
6211         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
6212         icc_operand, fcc_operand, cc_operand, icr_operand,
6213         fcr_operand, cr_operand, call_operand, sibcall_operand,
6214         symbolic_operand, relational_operator,
6215         integer_relational_operator, float_relational_operator,
6216         ccr_eqne_operator, minmax_operator,
6217         condexec_si_binary_operator, condexec_si_media_operator,
6218         condexec_si_divide_operator, condexec_si_unary_operator,
6219         condexec_sf_conv_operator, condexec_sf_add_operator,
6220         condexec_memory_operand, intop_compare_operator, acc_operand,
6221         even_acc_operand, quad_acc_operand, accg_operand: Move to
6222         predicates.md.
6223         * config/frv/frv.h (PREDICATE_CODES): Remove.
6224         * config/frv/frv.md: Include predicates.md.
6225         * config/frv/predicates.md: New.
6226
6227 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
6228
6229         PR target/19537
6230         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
6231         * tree-ssa-loop-ivopts.c: Include langhooks.h.
6232         (add_standard_iv_candidates_for_size): New function, extracting code
6233         from add_standard_iv_candidates and parameterizing it by type size.
6234         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
6235
6236 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
6237
6238         * system.h (GCOV_SIZE_TYPE): Unposion.
6239         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
6240         (GCOV_TYPE_SIZE): ...this new macro.
6241         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
6242         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
6243         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
6244         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
6245         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
6246         instead of unsigned_intSI_type_node.
6247         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
6248         (rtl_gen_one_value_profiler_no_edge_manipulation)
6249         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
6250         * value-prof.c: Include coverage.h.
6251
6252 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
6253             Diego Novillo <dnovillo@redhat.com>
6254
6255         Fix PR tree-optimization/20703
6256         Fix PR tree-optimization/20725
6257
6258         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
6259         (create_expression_by_pieces): Ditto.
6260         (valid_in_set): Ditto. Also handle tcc_declaration.
6261         (find_or_generate_expression): Handle comparison class.
6262         (insert_into_preds_of_block): Ditto.
6263         (insert_aux): Ditto.
6264         (create_value_expr_from): Handle comparison class, recursively
6265         handle reference nodes.
6266         (compute_avail): Handle comparison classes, rewrite a little cleaner.
6267         (execute_pre): Fix spacing.
6268         (do_fre): Renamed to execute_fre.
6269
6270 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
6271
6272         * doc/invoke.texi (SPARC options): Document that
6273         -mlittle-endian is not supported on Linux either.
6274
6275 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
6276
6277         PR target/4198
6278         PR target/12027
6279         * config.gcc (Obsolete configurations): Remove
6280         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
6281         (sparclite-*-coff*): Delete.
6282         (sparclite-*-elf*): Likewise.
6283         (sparc86x-*-elf*): Likewise.
6284         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
6285         * config/sparc/lite.h: Delete.
6286         * config/sparc/litecoff.h: Likewise.
6287         * config/sparc/liteelf.h: Likewise.
6288         * config/sparc/sp86x-elf.h: Likewise.
6289         * config/sparc/t-sparclite: Likewise.
6290         * config/sparc/t-sp86x: Likewise.
6291
6292 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
6293
6294         * config/s390/s390-protos.h: (s390_comparison,
6295         s390_alc_comparison, s390_slb_comparison, const0_operand,
6296         consttable_operand, larl_operand, s_operand,
6297         shift_count_operand, bras_sym_operand, load_multiple_operation,
6298         store_multiple_operation, s390_plus_operand): Remove prototypes.
6299         (s390_legitimate_address_without_index_p): New prototype.
6300         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
6301         to s390.h.
6302         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
6303         const0_operand, consttable_operand, larl_operand, s_operand,
6304         shift_count_operand, bras_sym_operand, load_multiple_operation,
6305         store_multiple_operation, s390_plus_operand): Move to
6306         predicates.md.
6307         (check_mode): Remove.
6308         (s390_branch_condition_mask): Remove 'static'. Move prototype to
6309         s390-protos.h.
6310         (s390_legitimate_address_without_index_p): New.
6311         * config/s390/s390.h (PREDICATE_CODES): Remove.
6312         * config/s390/s390.md: Include predicates.md.
6313         * config/s390/predicates.md: New.
6314
6315 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
6316
6317         PR target/20446
6318         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
6319         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
6320         (NEED_INDICATE_EXEC_STACK): Define to 1.
6321         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
6322         (NEED_INDICATE_EXEC_STACK): Define to 1.
6323         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
6324         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
6325         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
6326         (pic_helper_emitted_p): New global.
6327         (emit_pic_helper): New function extracted from...
6328         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
6329         Do not call emit_pic_helper if delay_pic_helper is true.
6330         (sparc_expand_prologue): Pass 'false' to load_pic_register.
6331         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
6332         (sparc_file_end): New function.
6333
6334 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
6335
6336         * config/mcore/mcore-protos.h: Remove the prototypes for
6337         mcore_arith_reg_operand, mcore_general_movsrc_operand,
6338         mcore_general_movdst_operand, mcore_reload_operand,
6339         mcore_arith_J_operand, mcore_arith_K_operand,
6340         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
6341         mcore_arith_K_S_operand, mcore_arith_imm_operand,
6342         mcore_arith_any_imm_operand, mcore_arith_O_operand,
6343         mcore_literal_K_operand, mcore_addsub_operand,
6344         mcore_compare_operand, mcore_load_multiple_operation,
6345         mcore_store_multiple_operation, mcore_call_address_operand.
6346         Add a prototype for const_ok_for_mcore.
6347         * config/mcore/mcore.c (mcore_call_address_operand,
6348         mcore_general_movsrc_operand, mcore_general_movdst_operand,
6349         mcore_arith_reg_operand, mcore_reload_operand,
6350         mcore_arith_J_operand, mcore_arith_K_operand,
6351         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
6352         mcore_arith_M_operand, mcore_arith_imm_operand,
6353         mcore_arith_any_imm_operand, mcore_arith_O_operand,
6354         mcore_literal_K_operand, mcore_addsub_operand,
6355         mcore_compare_operand, mcore_load_multiple_operation,
6356         mcore_store_multiple_operation): Move to predicates.md.
6357         (const_ok_for_mcore): Export.
6358         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
6359         * config/mcore/mcore.md: Include predicates.md.
6360         * config/mcore/predicates.md: New.
6361
6362         * config/mcore/predicates.md: Fix a comment typo.
6363
6364 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
6365             Adrian Straetling  <straetling@de.ibm.com>
6366
6367         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
6368         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
6369         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
6370         attribute.
6371         ("imul"): Removed from "type" attribute.
6372         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
6373         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
6374         Changed type to imulsi.
6375         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
6376
6377 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
6378
6379         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
6380         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
6381         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
6382         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
6383         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
6384         (TARGET_SWITCHES, mcore_stack_increment_string)
6385         (TARGET_OPTIONS): Delete.
6386         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
6387         than *_BIT constants.
6388         (TARGET_8ALIGN): #undef old definition before redefining to 1.
6389         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
6390         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
6391         (mcore_override_options): Delete mcore_stack_increment code.
6392         Change use of M340_BIT to MASK_M340.
6393         * config/mcore/mcore.opt: New file.
6394
6395 2005-04-04  Ian Lance Taylor  <ian@airs.com>
6396
6397         * config/arm/arm.c (replace_symbols_in_block): Remove static
6398         function.
6399
6400 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
6401
6402         * config/fr30/fr30-protos.h: Remove the prototypes for
6403         stack_add_operand, add_immediate_operand,
6404         high_register_operand, low_register_operand, call_operand,
6405         di_operand, and nonimmediate_di_operand.
6406         * config/fr30/fr30.c (stack_add_operand,
6407         add_immediate_operand, high_register_operand,
6408         low_register_operand, call_operand, di_operand,
6409         nonimmediate_di_operand): Move to predicates.md.
6410         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
6411         * config/fr30/fr30.md: Include predicates.md.
6412         * config/fr30/predicates.md: New.
6413
6414         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
6415         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
6416         mcore_call_address_operand.
6417
6418         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
6419         general_movsrc_operand.
6420
6421 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
6422
6423         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
6424         after freeing.
6425
6426 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
6427
6428         PR target/14812
6429         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
6430         a negated value.
6431
6432 2005-04-04  Richard Henderson  <rth@redhat.com>
6433             Jakub Jelinek  <jakub@redhat.com>
6434
6435         PR rtl-optimization/16104
6436         * fold-const.c (fold_unary): Fix folding of vector conversions.
6437
6438 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
6439
6440         * config.gcc (xstormy16-*-elf): Set extra_options.
6441         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
6442         * config/stormy16/stormy16.opt: New file.
6443
6444 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
6445
6446         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
6447         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
6448         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
6449         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
6450         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
6451         (TARGET_UNIX_ASM): Delete.
6452         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
6453         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
6454         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
6455         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
6456         * config/pdp11/pdp11.opt: New file.
6457
6458 2005-04-03  Roger Sayle  <roger@eyesopen.com>
6459             Alexandre Oliva  <aoliva@redhat.com>
6460
6461         PR c++/19199
6462         * fold-const.c (non_lvalue): Split tests into...
6463         (maybe_lvalue_p): New function.
6464         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
6465         C++ front-end prior to lowering into gimple form.
6466
6467 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6468
6469         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
6470         BUILT_IN_STRNCASECMP): New.
6471         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
6472         and strndup.
6473
6474 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
6475
6476         PR target/14812
6477         * arm.md (addsi3_compare0_for_combiner): Delete.
6478         (addsi3_compare0_scratch_for_combiner): Delete.
6479         (cmpsi_neg_shiftsi): Delete.
6480         (compare_negsi_si): New pattern.
6481         (cmpsi_negshiftsi_si): New pattern.
6482         (negated_cbranchsi4): Restrict to equality_operator.
6483
6484         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
6485         template.
6486
6487 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
6488
6489         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
6490         Fix comment typos.
6491
6492         * doc/install.texi: Fix a typo.
6493
6494 2005-04-03  Steven Bosscher  <stevenb@suse.de>
6495
6496         PR middle-end/20648
6497         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
6498         a computed goto if the edge to the computed goto block has
6499         incoming abnormal edges.  Clarify how the function works.
6500
6501 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
6502
6503         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
6504         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
6505         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
6506         hash_scan_set, reg_set_between_after_reload_p,
6507         reg_used_between_after_reload_p, get_avail_load_store_reg,
6508         eliminate_partially_redundant_load): Likewise.
6509         * postreload.c (reload_cse_simplify_set,
6510         reload_combine_note_use): Likewise.
6511         * predict.c (predict_insn, expected_value_to_br_prob,
6512         propagate_freq, expensive_function_p): Likewise.
6513         * print-rtl.c (print_rtx): Likewise.
6514         * profile.c (instrument_edges, instrument_values,
6515         compute_branch_probabilities, branch_prob, union_groups,
6516         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
6517         * protoize.c (in_system_include_dir, file_could_be_converted,
6518         file_normally_convertible, gen_aux_info_file, seek_to_line,
6519         do_cleaning): Likewise.
6520         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
6521         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
6522         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
6523
6524 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
6525
6526         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
6527         * modulo-sched.c (undo_replace_buff_elem): New structure.
6528         (kernel_number_of_cycles, ps_unschedule_node,
6529         undo_generate_reg_moves,free_undo_replace_buff,
6530         undo_permute_partial_schedule,  loop_single_full_bb_p,
6531         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
6532         build_loops_structure, get_sched_window): New.
6533         (generate_reg_moves): Return undo_replace_buff_elem and other
6534         fixes.
6535         (generate_prolog_epilog): Remove old loop versioning.
6536         (sms_schedule): Use loop information and loop_version.
6537         (sms_schedule_by_order): Split part of it to get_sched_window.
6538         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
6539         cfg_layout_finalize and free_dominance_info before/after SMS.
6540
6541 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
6542
6543         * cfghooks.c (lv_flush_pending_stmts,
6544         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
6545         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
6546         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
6547         lv_add_condition_to_bb,
6548         lv_adjust_loop_header_phi, extract_cond_bb_edges,
6549         flush_pending_stmts): New in cfg_hooks structure.
6550         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
6551         extract_cond_bb_edges, lv_adjust_loop_header_phi,
6552         lv_add_condition_to_bb): New declarations.
6553         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
6554         bool.
6555         (loop_version): Declare.
6556         * cfgloopmanip.c (cfghooks.h): Include.
6557         (duplicate_loop_to_header_edge): Change return type to bool.
6558         (loop_version, lv_adjust_loop_entry_edge): Move here.
6559         * cfgrtl.c (cfgloop.h): Include.
6560         (rtl_verify_flow_info_1): Fix.
6561         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
6562         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
6563         initialization.
6564         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
6565         tree_lv_add_condition_to_bb): New.
6566         (tree_cfg_hooks): Add new hooks to initialization.
6567         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
6568         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
6569
6570 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
6571
6572         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
6573         xstormy16_below100_or_register,
6574         xstormy16_splittable_below100_or_register, and
6575         nonimmediate_nonstack_operand.
6576
6577         * config/stormy16/stormy16-protos.h: Remove the prototypes for
6578         xstormy16_ineqsi_operator, equality_operator,
6579         inequality_operator, shift_operator,
6580         xstormy16_below100_operand, xstormy16_below100_or_register,
6581         xstormy16_splittable_below100_or_register,
6582         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
6583         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
6584         equality_operator, inequality_operator,
6585         xstormy16_below100_operand, xstormy16_below100_or_register,
6586         xstormy16_splittable_below100_or_register,
6587         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
6588         nonimmediate_nonstack_operand, shift_operator): Move to
6589         predicates.md.
6590         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
6591         * config/stormy16/stormy16.md: Include predicates.md.
6592         * config/stormy16/predicates.md: New.
6593
6594 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
6595
6596         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
6597         small_int, large_int, reg_or_0_operand, simple_memory_operand,
6598         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
6599         move_operand, power_of_2_operand): Move to predicates.md.
6600         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
6601         PREDICATE_CODE): Remove.
6602         * config/iq2000/iq2000.md: Include predicates.md.
6603         * config/iq2000/predicates.md: New.
6604
6605 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
6606
6607         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
6608         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
6609         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
6610         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
6611         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
6612         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
6613         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
6614         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
6615         (TARGET_M68HC11): Delete.
6616         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
6617         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
6618         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
6619         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
6620         (nb_soft_regs): Delete.
6621         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
6622         (m68hc11_override_options): Remove the code that caters for MASK_M6811
6623         and MASK_M6812 being set simultaneously.  Change the code that sets
6624         the default m68hc11_soft_reg_count to use integers instead of strings.
6625         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
6626         m68hc11_soft_reg_count (which now has an int type) as the number
6627         of soft registers.
6628         * config/m68hc11/m68hc11.opt: New file.
6629
6630 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
6631
6632         * config/fr30/fr30.h (PREDICATE_CODES): Remove
6633         fp_displacement_operand, sp_displacement_operand.
6634
6635         * config/m68hc11/m68hc11-protos.h: Add a prototype for
6636         m68hcc_auto_inc_p.
6637         Remove the prototypes for tst_operand, cmp_operand,
6638         stack_register_operand, d_register_operand,
6639         hard_addr_reg_operand, splitable_operand,
6640         m68hc11_logical_operator, m68hc11_arith_operator,
6641         m68hc11_non_shift_operator, m68hc11_shift_operator,
6642         m68hc11_unary_operator, m68hc11_eq_compare_operator,
6643         non_push_operand, hard_reg_operand, and
6644         reg_or_some_mem_operand.
6645         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
6646         extern.
6647         (tst_operand, cmp_operand, non_push_operand,
6648         splitable_operand, reg_or_some_mem_operand,
6649         stack_register_operand, d_register_operand,
6650         hard_addr_reg_operand, hard_reg_operand,
6651         m68hc11_eq_compare_operator, m68hc11_logical_operator,
6652         m68hc11_arith_operator, m68hc11_non_shift_operator,
6653         m68hc11_shift_operator, m68hc11_unary_operator): Move to
6654         predicates.md.
6655         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
6656         * config/m68hc11/m68hc11.md: Include predicates.md.
6657         * config/m68hc11/predicates.md: New.
6658
6659 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
6660
6661         PR debug/19345
6662         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
6663         change checked in along with 2005-03-03's patch for debug/20253.
6664         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
6665         (remap_decl): Insert type decl in map earlier.
6666
6667 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
6668
6669         PR tree-optimization/20640
6670         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
6671         post-dominator if it has phi nodes.
6672         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
6673         before dead statements.
6674
6675 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
6676
6677         PR middle-end/20491
6678         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
6679
6680 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
6681
6682         PR rtl-optimization/20290
6683         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
6684         in every iteration if the entry point is the exit test.
6685
6686 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
6687
6688         * config/cris/cris.md (attribute "length"): Define.
6689
6690 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
6691
6692         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
6693         (word_offset_memref_operand): New.
6694         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
6695         (indexed_or_indirect_operand): Delete.
6696         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
6697         (indexed_or_indirect_operand): Delete.
6698
6699         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
6700
6701         PR 20650
6702         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
6703         a register.
6704
6705         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
6706         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
6707
6708 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
6709
6710         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
6711
6712 2005-04-01  Ian Lance Taylor  <ian@airs.com>
6713
6714         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
6715         (rus, prus): Remove static variables.
6716         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
6717         (process_command): Permit report_times and use_pipes together.
6718
6719 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
6720
6721         * c-decl.c (validate_proto_after_old_defn): Look at
6722         TYPE_MAIN_VARIANT of argument types.
6723
6724 2005-04-01  Paul Brook  <paul@codesourcery.com>
6725
6726         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
6727         (arm_output_function_epilogue): Allow call_via_SP.
6728         (thumb_call_via_reg, arm_file_end): Ditto.
6729         * config/arm/arm.h (struct machine_function): Include space for SP.
6730         (thumb_call_via_label): Update declaration.
6731
6732 2005-04-01  Ian Lance Taylor  <ian@airs.com>
6733
6734         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
6735         doing a peephole optimization, once again put any notes in the
6736         proper position.
6737
6738 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
6739
6740         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
6741
6742 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
6743
6744         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
6745         (block_alloc, find_free_reg): Likewise.
6746         * loop-doloop.c (doloop_modify): Likewise.
6747         * loop-invariant.c (record_use): Likewise.
6748         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
6749         get_iv_value, canon_condition, eliminate_implied_condition,
6750         eliminate_implied_condition, simplify_using_initial_values,
6751         shorten_into_mode, canonicalize_iv_subregs,
6752         iv_number_of_iterations): Likewise.
6753         * loop-unroll.c (expand_var_during_unrolling): Likewise.
6754         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
6755         unswitch_loop): Likewise.
6756         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
6757         move_movables, replace_call_address, find_and_verify_loops,
6758         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
6759         record_giv, final_giv_value, general_induction_var,
6760         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
6761         loop_giv_dump): Likewise.
6762
6763         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
6764         GCOV_CHECK_WRITING): Remove.
6765         (gcov_position, gcov_rewrite): Use gcc_assert.
6766         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
6767         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
6768         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
6769         gcc_assert.
6770
6771 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
6772
6773         * tree-inline.c: Fix a typo.
6774
6775 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
6776
6777         * configure.ac (enable-checking): Explicitly set all variables for
6778         collective switch values.  Alphabetize variables. Rename
6779         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
6780         synonym for 'no'.
6781         * doc/install.texi (enable-checking): Update documentation.
6782         * configure: Rebuilt.
6783
6784 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
6785
6786         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
6787         possible.
6788
6789 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
6790
6791         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
6792         Also reject cases where this pattern will cause load delay stalls
6793         unless optimizing for size and it will produce a shorter sequence.
6794         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
6795         variants to avoid pre-adjusting the base when possible.
6796
6797 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
6798
6799         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
6800         the frame and argument pointers.
6801         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
6802         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
6803         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
6804         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
6805         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
6806         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
6807
6808 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
6809
6810         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
6811         with entry for selectany attribute.
6812         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
6813         Declare.
6814         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
6815         (i386_pe_asm_named_section): Handle sections generated by
6816         selectany attribute.
6817         * doc/extend.texi (selectany): Document attribute.
6818
6819 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
6820             Jan Hubicka  <jh@suse.cz>
6821
6822         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
6823         to fix addresses involving EBP and ESP.
6824         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
6825         for SUBREGed registers.
6826         (legitimate_address_p): Accept SUBREGed registers.
6827
6828 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
6829
6830         PR c++/19406
6831         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
6832         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
6833         for FIELD_DECLs.
6834
6835 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
6836
6837         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
6838
6839 2005-04-01  James E Wilson  <wilson@specifixinc.com>
6840
6841         PR c++/20505
6842         * dwarf2out.c (rtl_for_decl_init): New function.
6843         (rtl_for_decl_location): Extracted from here.
6844         (tree_add_const_value_attribute): Call rtl_for_decl_init and
6845         add_const_value_attribute.  Delete initializer_constant_valid_p call.
6846
6847 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
6848
6849         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
6850         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
6851         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
6852         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
6853         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
6854         config/i386/i386.md, config/rs6000/predicates.md,
6855         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
6856         config/s390/s390.c, config/stormy16/stormy16.c,
6857         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
6858         typos.
6859
6860 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
6861
6862         PR c/17855
6863         * gimplify.c (gimplify_expr): Create a temporary for lvalue
6864         COND_EXPR and CALL_EXPR.
6865
6866 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
6867
6868         PR target/20632
6869         * genautomata.c (first_cycle_unit_presence): Check all alternative
6870         states for unit presence.
6871
6872         * doc/md.texi: Remove remark about impossibility to query unit
6873         presence in non nondeterministic automaton state.
6874
6875         * config/ia64/ia64.c (get_template): Change order of unit querying.
6876
6877 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
6878
6879         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
6880         obsolete comment.
6881
6882 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
6883
6884         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
6885         flag for edges outside any loops.
6886
6887 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
6888
6889         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
6890
6891 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
6892
6893         * tree-ssa-alias.c: Follow spelling conventions.
6894         * doc/tree-ssa.texi: Fix a typo.
6895
6896 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
6897
6898         * postreload-gcse.c: Include target.h.
6899         (gcse_after_reload_main): Return early if we cannot modify jumps.
6900         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
6901
6902 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
6903
6904         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
6905         expensive operations.
6906
6907 2005-03-31  Ian Lance Taylor  <ian@airs.com>
6908
6909         * collect2.c (lderrout): New variable.
6910         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
6911         if it is set, to stderr.
6912         (handler): Unlink lderrout if it is set.
6913         (dump_file): Add "to" parameter.  Change all callers.
6914         (main): Initialize lderrout.
6915         (collect_execute): Add errname parameter.  Change all callers.
6916         Rename redir parameter to outname.  Never pass
6917         PEX_STDERR_TO_STDOUT to pex_run.
6918         * collect2.h (collect_execute, dump_file): Update declarations.
6919         * tlink.c (tlink_execute): Add errname parameter.  Change all
6920         callers.
6921         (do_tlink): Check lderrout as well as ldout.
6922
6923 2005-03-31  Caroline Tice  <ctice@apple.com>
6924
6925         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
6926         (bb-reorder.o): Add errors.h to list of requirements.
6927         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
6928         profiledbootstrap flags.
6929         * bb-reorder.c (errors.h): Add new include.
6930         (struct bbro_basic_block_data_def): Add new field, in_trace.
6931         (add_unlikely_executed_notes):  Remove function.
6932         (mark_bb_for_unlikely_executed_section): Remove function.
6933         (insert_section_boundary_note): New function.
6934         (verify_hot_cold_block_grouping): New function.
6935         (push_to_next_round_p): Remove variables and tests that push all
6936         cold blocks to last round.
6937         (find_traces): Remove code that added extra round of trace finding
6938         when doing partitioning.
6939         (find_traces_1_round) :  Remove variable last_round;  add code to
6940         update new struct field, in_trace; correct trace_length where it was
6941         incorrect before (after call to copy_bb); change code that pushed all
6942         cold blocks to last round. Instead verify that all blocks going into
6943         a trace belong in the same partition.
6944         (connect_traces): Modify to connect the traces in two passes, if the
6945         function contains both hot and cold blocks.  The first pass connects
6946         all the traces for blocks in the partition that the first block in
6947         the function belongs to; the second pass connnects all the traces
6948         containing blocks that belong in the other partition.
6949         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
6950         code that automatically put the first block in a function into the
6951         hot partition if the function had any hot blocks.
6952         (fix_crossing_unconditional_branches): Check number of succ edges
6953         before attempting to get one.
6954         (fix_edges_for_rarely_executed_code):  Update comment describing
6955         function.
6956         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
6957         remove call to add_unlikely_executed_notes; add call to
6958         verify_hot_cold_block_grouping.
6959         (duplicate_computed_gotos): Don't change computed goto if it's a
6960         crossing edge.
6961         (partition_hot_cold_basic_blocks):  Update function comment.
6962         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
6963         condition.
6964         (try_forward_edges): Likewise.
6965         (merge_blocks_move_predecessor_nojumps): Likewise.
6966         (merge_blocks_move_successor_nojumps): Likewise.
6967         (merge_blocks_move): Likewise.
6968         (try_crossjump_bb): Likewise.
6969         * cfglayout.c (update_unlikely_executed_notes): Remove function.
6970         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
6971         notes to cold bb's; remove call to update_unlikely_executed_notes.
6972         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
6973         NOTE_INSN_SWITCH_TEXT_SECTIONS.
6974         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
6975         function declaration.
6976         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
6977         from consideration.
6978         (rtl_can_merge_blocks): Remove redundancy from condition.
6979         (try_redirect_by_replacing_jump): Likewise.
6980         (force_nonfallthru_and_redirect): Remove code for adding
6981         UNLIKELY_EXECUTED_CODE notes to cold bb's.
6982         (commit_one_edge_insertion): Likewise.
6983         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
6984         * dbxout.c (FORCE_TEXT): Replace function_section with
6985         current_function_section.
6986         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
6987         function, switch_text_section.
6988         (struct xcoff_debug): Likewise.
6989         (dbxout_function_end): Add code to put out label diffs for both
6990         hot and cold sections.
6991         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
6992         for new debug_hooks funciton, switch_text_section..
6993         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
6994         switch_text_section.
6995         * dwarf2out.c (struct dw_fde_struct):  Add five new fields:
6996         dw_fde_hot_section_label, dw_fde_hot_section_end_label,
6997         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
6998         dw_fde_switched_sections.
6999         (output_call_frame_info):  Add test to see if function switches text
7000         sections in the middle; if so, use appropriate extra hot and cold
7001         section labels to compute size deltas for the hot and cold sections.
7002         (dwarf2out_begin_prologue): Add code to initialize new fields in
7003         dw_fde_struct.
7004         (dwarf2out_switch_text_section): New function (invoked through
7005         debug_hook); updates new fields in dw_fde_struct appropriately and
7006         increments separate_line_info_table_in_use.
7007         (dwarf2_debug_hooks): Initialize switch_text_section function to be
7008         dwarf2out_switch_text_section.
7009         (struct var_loc_node): Add new field, section_label.
7010         (output_aranges): Add code to check whether in hot or cold section and
7011         use the appropriate label in calculating deltas.
7012         (output_ranges): Likewise.
7013         (output_line_info): Add code to check which section we're in and
7014         use appropriate hot/cold label.
7015         (add_location_or_constant_value_attribute): Likewise.
7016         (gen_subprogam_die): Modify arange attributes to use correct labels.
7017         (dwarf2out_begin_block): Change call to function_section into call to
7018         current_function_section.
7019         (dwarf2out_end_block): Likewise.
7020         (dwarf2out_source_line): Likewise.
7021         (dwarf2out_var_location): Add code to check whether in hot or cold
7022         section and use the appropriate label.
7023         * except.c (output_function_exception_table): Change call to
7024         function_section into call to current_function_section.
7025         * final.c (profile_function): Likewise.
7026         (scan_ahead_for_unlikely_executed_note): Remove function.
7027         (final_scan_insn):  Remove calls to
7028         scan_ahead_for_unlikely_executed_note, and related code for switching
7029         to cold section, except for the single time
7030         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
7031         debug_hooks->switch_text_sections; replace appropriate calls to
7032         function_section with calls to current_function_section.
7033         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
7034         test_bb to condition.
7035         (find_if_case_2): Likewise.
7036         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
7037         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
7038         * opts.c (decode_options): Change warning about hot/cold partitioning
7039         with exceptionss to inform (so as not to cause bootstrap failures);
7040         remove warning about partitioning with DWARF debug info.
7041         * output.h (current_function_section): Add new function decl.
7042         (insert_section_boundary_note): Likewise.
7043         (enum in_section): Move this declaration here from varasm.c.
7044         (unlikely_section_label): Likewise.
7045         (unlikely_text_section_name): Likewise.
7046         (last_text_section_name): New global variable.
7047         (last_text_section): Likewise.
7048         (hot_section_label): Likewise.
7049         (hot_section_end_label): Likewise.
7050         (cold_section_end_label): Likewise.
7051         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
7052         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
7053         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
7054         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
7055         insn from consideration.
7056         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
7057         switch_text_section.
7058         * varasm.c (basic-block.h): Add new include.
7059         (unlikely_section_label_printed): Remove global variable.
7060         (unlikely_section_label): Make global variable not be static any more.
7061         (unlikely_text_section_name): Likewise.
7062         (hot_section_end_label): New global variable (not static)
7063         (first_function_block_is_cold): Likewise.
7064         (hot_section_label): Likewise.
7065         (cold_section_end_label): Likewise..
7066         (last_text_section): New global variable, not static.
7067         (last_text_section_name): New global variable, not static.
7068         (initialize_cold_section_name): New function.
7069         (enum in_section): Move declaration to output.h.
7070         (text_section): Update last_text_section.
7071         (unlikely_text_section): Replace code to determine cold section name
7072         with call to initialize_cold_section_name; Add code to update
7073         last_text_section; remove code for printing out label.
7074         (named_section_real): Add code to update last_text_section and
7075         last_text_section_name as appropriate.
7076         (function_section): Change test for 'unlikely' to depend on
7077         first_function_block_is_cold (moved old test to
7078         current_function_section).
7079         (current_function_section): New function.
7080         (assemble_start_function): Move code that frees
7081         unlikely_text_section_name; initialize hot_section_end_label;
7082         print hot and cold section labels at the start of the function;
7083         set first_function_block_is_cold, if appropriate; initialize l
7084         ast_text_section; add call to insert_section_boundary_note.
7085         (assemble_end_function):  Add code to write out hot and cold section
7086         end labels.
7087         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
7088         switch_text_section.
7089         * config/darwin.c (machopic_select_section): Replace incorrect
7090         function in base_funs; update reloc for cold sections if necessary.
7091         * config/darwin.h (SECTION_FUNCTION):  Add code to update
7092         last_text_section if appropriate.
7093         (text_unlikely_section): Remove.
7094         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
7095         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
7096         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
7097         partitioning for this architecture.
7098
7099 2005-03-31  Olivier Hainque  <hainque@adacore.com>
7100
7101         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
7102         defined and non-zero.
7103
7104 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
7105
7106         PR c++/18644
7107         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
7108         semantics.
7109
7110 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
7111
7112         PR target/20611
7113         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
7114         label operand.  Remove (use (unspec..)).  Don't emit a label on
7115         the offset word.
7116         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
7117         generate inline label for load_toc_v4_PIC_1b.
7118         (rs6000_emit_load_toc_table): Likewise.
7119
7120 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
7121
7122         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
7123         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
7124
7125 2005-03-29  Devang Patel  <dpatel@apple.com>
7126
7127         * tree-sra.c (decide_block_copy): Disable scalarization of
7128         sub-elements.
7129
7130 2005-03-30  Stuart Hastings  <stuart@apple.com>
7131             Dale Johannesen  <dalej@apple.com>
7132
7133         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
7134         * print-tree.c (print_node):  Add case STATEMENT_LIST.
7135
7136 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
7137
7138         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
7139         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
7140         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
7141         is given with "powerpc64*" or "all", or when --with-cpu chooses
7142         a 64-bit cpu.
7143
7144 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
7145
7146         PR debug/20268
7147         * dwarf2out.c (add_high_low_attributes): New function, extracted from
7148         gen_lexical_block_die.
7149         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
7150
7151 2005-03-31  Jan Hubicka  <jh@suse.cz>
7152
7153         2004-11-02  Jan Hubicka  <jh@suse.cz>
7154
7155         * cgraph.c (cgraph_varpool_node_name): New function.
7156         (dump_cgraph_varpool_node): New function.
7157         (dump_varpool): New function.
7158         * cgraphunit.c (cgraph_optimize): Dump varpool.
7159
7160         2004-10-16  Jan Hubicka  <jh@suse.cz>
7161
7162         * cgraph.c (decide_is_variable_needed): New function.
7163         (cgraph_varpool_finalize_decl): Use it.
7164         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
7165         unit-at-a-time.
7166         * final.c (output_addr_const): Do not call mark_referenced.
7167         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
7168         always go via cgraph.
7169         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
7170         (check_global_declarations): Ifdef out code clearing DECL_RTL.
7171         * tree-optimize.c (execute_inline): Mark functions called.
7172         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
7173
7174         2004-10-11  Jan Hubicka  <jh@suse.cz>
7175
7176         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
7177         (cgraph_varpool_last_needed_node): New static variable.
7178         (enqueue_needed_varpool_node): Break out from ...; add items to the
7179         end of queue; update first pointers.
7180         (cgraph_varpool_mark_needed_node): ... here.
7181         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
7182         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
7183         * cgraph.h (cgraph_varpool_node): Add analyzed field.
7184         (cgraph_varpool_first_unanalyzed_node): Declare.
7185         * cgraphunit.c: Include output.h.
7186         (cgraph_varpool_analyze_pending_decls): New function.
7187         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
7188         for errors, analyze pending decls.
7189         (cgraph_finalize_compilation_unit): Only analyze decls.
7190         (cgraph_optimize): Assemble the decls after expanding.
7191
7192 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
7193
7194         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
7195         subvars get marked properly in tags for grouping.
7196         (add_pointed_to_var): Mark only actual pointed to
7197         variables/subvars in addresses needed.
7198         (create_overlap_variables_for): Clear call clobbered on original
7199         variable.
7200         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
7201         addresable vars with subvars into list.
7202         * tree-ssa.c (verify_ssa_name): Verify original is not used where
7203         subvar should be.
7204
7205 2005-03-30  Richard Henderson  <rth@redhat.com>
7206
7207         * cgraph.h (struct cgraph_node): Add alias.
7208         * varasm.c (assemble_alias): Set it.
7209         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
7210         avoid calling cgraph_expand_function.
7211
7212 2005-03-30  Tom Tromey  <tromey@redhat.com>
7213
7214         * tree.def (FILE_TYPE): Removed.
7215         * typeclass.h (enum type_class): Removed file_type_class.
7216         * dwarf2out.c (is_base_type): Updated.
7217         (gen_type_die): Likewise.
7218         * dbxout.c (dbxout_type): Updated.
7219         * builtins.c (type_to_class): Updated.
7220         * tree.c (type_contains_placeholder_1): Updated.
7221         * config/sparc/sparc.c (sparc_type_code): Updated.
7222         * config/ia64/ia64.c (hfa_element_mode): Updated.
7223         * expr.c (count_type_elements): Updated.
7224         * stor-layout.c (layout_type): Updated.
7225         * tree-inline.c (remap_type): Updated.
7226         * tree-pretty-print.c (dump_generic_node): Updated.
7227
7228 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
7229
7230         * builtins.c (expand_builtin_powi): Fix mode of
7231         2nd argument to match int.
7232         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
7233         2nd argument type to int.
7234         * libgcc2.c: Change prototype of __powi* functions to use
7235         int.
7236
7237 2005-03-30  Dale Johannesen  <dalej@apple.com>
7238
7239         PR middle-end/19225
7240         * calls.c (expand_call):  Flush pending deferrals before
7241         throwing call.
7242
7243 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
7244
7245         PR c/772
7246         PR c/17913
7247         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
7248         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
7249         c_label_context, label_context_stack): New.
7250         * c-decl.c (define_label): Check for jumps into statement
7251         expressions.  Add label to list of defined labels.
7252         (start_function): Push context on label_context_stack.
7253         (finish_function): Pop context from label_context_stack.
7254         * c-typeck.c (label_context_stack): New.
7255         (c_finish_goto_label): Check for jumps into statement
7256         expressions.  Add label to list of jumped to labels.
7257         (struct c_switch): Add blocked_stmt_expr.
7258         (c_start_case): Initialize it.
7259         (do_case): Check it.
7260         (c_finish_case): Verify !blocked_stmt_expr.
7261         (c_begin_stmt_expr):  Push context on label_context_stack.
7262         Increment blocked_stmt_expr.  Mark labels jumped to from outside
7263         as undefinable.
7264         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
7265         defined in the statement expression and no longer jumpable to.
7266         Mark labels jumped to from just outside the statement expression
7267         as again definable.  Pop context from label_context_stack.
7268         * doc/extend.texi (Statement Exprs): Update.
7269
7270 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
7271
7272         PR c/20368
7273         * c-decl.c (start_function): Check for old_decl being
7274         error_mark_node.
7275
7276 2005-03-30  Ian Lance Taylor  <ian@airs.com>
7277
7278         * final.c (final): Remove prescan parameter.  Change all callers.
7279         (final_scan_insn): Remove prescan parameter.  Change all callers.
7280
7281 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
7282
7283         * tree-vectorizer.c: Fix comment typos.
7284
7285 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
7286
7287         * tree-scalar-evolution.c (instantiate_parameters_1): Return
7288         as soon as a chrec_dont_know is detected.
7289
7290 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
7291
7292         Merge from csl-arm-branch.
7293         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
7294
7295         * tlink.c (recompile_files): Do not assume that "rename" can
7296         overwrite an existing file.
7297
7298 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
7299
7300         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
7301         * gcc/configure: Regenerate.
7302
7303 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
7304
7305         * doc/install.texi: Update binutils requirement for powerpc*-linux.
7306
7307         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
7308
7309         * calls.c (struct arg_data): Update "partial" comment.
7310         (load_register_parameters): Update "nregs" comment.
7311
7312 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
7313
7314         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
7315         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
7316         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
7317         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
7318         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
7319         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
7320         than target_flags & 0.
7321         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
7322         (iq2000_arch, iq2000_parse_cpu): Delete.
7323         (TARGET_HANDLE_OPTION): Override default.
7324         (iq2000_handle_option): New function.
7325         (override_options): Remove -march= and -mcpu= handling.
7326         * config/iq2000/iq2000.opt: New file.
7327
7328 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
7329
7330         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
7331         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
7332         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
7333         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
7334         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
7335         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
7336         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
7337         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
7338         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
7339         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
7340         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
7341         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
7342         (c4x_rpts_cycles_string, c4x_cpu_version_string)
7343         (TARGET_OPTIONS): Delete.
7344         (c4x_rpts_cycles, c4x_cpu_version): Declare.
7345         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
7346         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
7347         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
7348         (c4x_cpu_version_string): Delete.
7349         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7350         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
7351         equivalent -mcpu= option.
7352         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
7353         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
7354         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
7355         or clearing the appropriate MASK_* bit.
7356         (c4x_file_start): Use c4x_cpu_version.
7357         * config/c4x/c4x.opt: New file.
7358
7359 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
7360
7361         * doc/options.texi: Document the new MaskExists flag.
7362         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
7363         if the option has the MaskExists flag.
7364
7365 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
7366
7367         * opt-functions.awk (flag_set_p, test_flag): New functions.
7368         (switch_flags): Use them.
7369         * opth-gen.awk: Use flag_set_p to check for flags.
7370         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
7371
7372 2005-03-30  Ian Lance Taylor  <ian@airs.com>
7373
7374         * config.host (i[34567]86-*-mingw32*): Don't set
7375         host_can_use_collect2 to no.
7376
7377 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
7378
7379         PR target/20203
7380         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
7381         Remove convert_memory_address call duplicating that in memory_address.
7382
7383 2005-03-29  Richard Henderson  <rth@redhat.com>
7384
7385         PR c/20519
7386         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
7387         (build_compound_literal): Likewise.  Propagate decl type into the
7388         initializer.
7389         (finish_decl): Likewise.  Use new return value from complete_array_type
7390         for zero sized arrays.
7391         (complete_array_type): Move ...
7392         * c-common.c (complete_array_type): ... here.  Change first argument
7393         to pointer-to-type-node.  Consistently use sizetype for the index
7394         except for zero sized arrays.  Detect zero sized arrays for pedantic
7395         mode diagnostics.  Create a new type node instead of modifying the
7396         old node in place.
7397         * c-tree.h (complete_array_type): Move decl ...
7398         * c-common.h (complete_array_type): ... here.
7399
7400 2005-03-29  Richard Henderson  <rth@redhat.com>
7401
7402         PR tree-opt/19108
7403         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
7404
7405 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
7406
7407         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
7408         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
7409         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
7410         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
7411
7412 2005-03-29  Eric Christopher  <echristo@redhat.com>
7413
7414         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
7415         truthvalue conversion removal.
7416
7417 2005-03-29  Ian Lance Taylor  <ian@airs.com>
7418
7419         PR bootstrap/14316
7420         * collect2.c: Never include <vfork.h>.
7421         (VFORK_STRING, vfork): Don't define.
7422         (pid): Remove global variable.
7423         (handler): Call raise instead of kill (getpid(), ...).
7424         (collect_wait): Add pex parameter.  Change all callers.  Use
7425         pex_get_status rather than pwait.
7426         (do_wait): Add pex parameter.  Change all callers.
7427         (collect_execute): Return struct pex_obj * rather than void.  Use
7428         pex routines rather than pexecute.
7429         (fork_execute): Get pex_obj from collect_execute, and pass it to
7430         do_wait.
7431         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
7432         Only declare quit_handler if SIGQUIT is defined.
7433         (scan_libraries): Likewise.
7434         * collect2.h (collect_execute): Update declaration.
7435         (collect_wait): Update declaration.
7436         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
7437         pass it to collect_wait.
7438
7439 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
7440
7441         PR c/20672
7442         * c-parser.c (c_parser_compound_statement_nostart): Give error
7443         message for EOF instead of just setting parser->error.
7444
7445 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
7446
7447         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
7448         (slpeel_update_phi_nodes_for_guard1): New function.
7449         (slpeel_update_phi_nodes_for_guard2): New function.
7450         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
7451         of slpeel_update_phi_nodes_for_guard.
7452         (vectorize_loops): Remove call to loop_closed_rewrite.
7453         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
7454         assertion.
7455
7456 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
7457
7458         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
7459         (TARGET_LITTLE_ENDIAN): New macro.
7460         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
7461         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
7462         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
7463         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
7464         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
7465         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
7466         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
7467         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
7468         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
7469         (TARGET_OPTIONS): Delete.
7470         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
7471         (CACHE_FLUSH_TRAP): Turn into an integer.
7472         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
7473         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
7474         -mflush-trap is in use.
7475         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
7476         (m32r_cache_flush_trap_string): Delete.
7477         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
7478         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
7479         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
7480         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7481         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
7482         -mmodel= and -msdata= handling from...
7483         (m32r_init): ...here.
7484         * config/m32r/m32r.opt: New file.
7485
7486 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
7487
7488         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
7489         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
7490         * tree-vect-analyze.c (vect_object_analysis): additional parm
7491         pass back a "struct ptr_info_def *" with the points-to info.
7492         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
7493         statement using info returned from vect_object_analysis.
7494         * tree-vect-transform.c (update_vuses_to_preheader): New function.
7495         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
7496         for virtual uses and defs when creating a replacement vector
7497         reference.  Call duplicate_ssa_name_ptr_info to define points-to
7498         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
7499         (vectorizable_store): copy_virtual_operands and update
7500         definition statements.
7501         (vectorizable_load): copy_virtual_operands.  Remove call to
7502         mark_call_clobbered_vars_to_rename for call to "const" builtin.
7503         * tree-vectorizer.c (vectorize_loops): Remove calls to
7504         rewrite_into_ssa and bitmap_clear (vars_to_rename).
7505         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
7506         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
7507         define macro STMT_VINFO_PTR_INFO for use in accessing.
7508         * tree.h add export of duplicate_ssa_name_ptr_info.
7509         * rs6000.c (altivec_init_builtins): Declare builtin function
7510         __builtin_altivec_mask_for_load to be "const".
7511
7512 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
7513
7514         PR middle-end/20622
7515         * cgraph.h (struct cgraph_varpool_node): Add alias field.
7516         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
7517         assemble_variable on aliases.
7518         * varasm.c (assemble_alias): Set node->alias.
7519         * toplev.c (wrapup_global_declarations): Don't call
7520         rest_of_decl_compilation on aliases again.
7521
7522 2005-03-29  Paul Brook  <paul@codesourcery.com>
7523
7524         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
7525         * config/arm/arm.c (arm_dbx_register_number): New function.
7526         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
7527
7528 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
7529
7530         PR middle-end/20263
7531         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
7532         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
7533
7534 2005-03-29  Dale Johannesen <dalej@apple.com>
7535
7536         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
7537         $(TREE_H) and $(COVERAGE_H).
7538         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
7539         * opts.c (common_handle_option): Enable tree-based value transforms.
7540         * toplev.c (process_options): Ditto.
7541         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
7542         refers to references to this type.
7543         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
7544         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
7545         for may_be_more, may_be_less.
7546         (rtl_gen_pow2_profiler): Adjust.
7547         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
7548         (rtl_gen_one_value_profiler): Adjust.
7549         (rtl_gen_const_delta_profiler): Adjust.
7550         * tree-profile.c (tree_gen_interval_profiler): Implement.
7551         (tree_gen_pow2_profiler): Ditto.
7552         (tree_gen_one_value_profiler): Ditto.
7553         (tree_profiling): New.
7554         (pass_tree_profile): Reference it.
7555         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
7556         tree.h, gcov-io.h.
7557         (insn_divmod_values_to_profile): Rename to
7558         rtl_divmod_values_to_profile. Adjust.
7559         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
7560         (insn_prefetch_values_to_profile): Adjust.
7561         (rtl_value_profile_transformations): Adjust.
7562         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
7563         (gen_mod_pow2): Rename to rtl_mod_pow2.
7564         (gen_mod_subtract): Rename to rtl_mod_subtract.
7565         (divmod_fixed_value_transform): Rename to
7566         rtl_divmod_fixed_value_transform.
7567         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
7568         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
7569         (rtl_find_values_to_profile): Adjust.
7570         (tree_value_profile_transformations): Implement.
7571         (tree_divmod_values_to_profile): New.
7572         (tree_values_to_profile): New.
7573         (tree_divmod_fixed_value): New.
7574         (tree_mod_pow2): New.
7575         (tree_mod_subtract): New.
7576         (tree_divmod_fixed_value_transform): New.
7577         (tree_mod_pow2_value_transform): New.
7578         (tree_mod_subtract_transform): New.
7579         (tree_find_values_to_profile): Implement.
7580         * profile.c (instrument_values):  Free histograms.
7581         (compute_value_histograms): Adjust. Implement tree version.
7582
7583 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
7584
7585         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
7586         * config/i386/i386.c (output_fix_trunc): Add new round_mode
7587         variable.  Output "fldcw" depending on round_mode.
7588         * config/i386/i386.md (UNSPEC_FIST): New.
7589         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
7590         New isns patterns to implement lrint and llrint built-ins as x87
7591         intrinsic function.
7592         (fistdi2, fist<mode>2 splitters): New splitters.
7593         (lrint<mode>2): New expanders.
7594
7595 2005-03-28  Ian Lance Taylor  <ian@airs.com>
7596
7597         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
7598         0 when calling final_scan_insn.
7599
7600 2005-03-28  Jan Hubicka  <jh@suse.cz>
7601
7602         PR middle-end/20635
7603         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
7604         as needed.
7605
7606         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
7607         types where possible.
7608
7609 2005-03-26  Per Bothner  <per@bothner.com>
7610
7611         Make -f[no-]show-column also control non-cpp diagnostics.
7612         * c.opt (fshow-column): Move option from here ...
7613         * common.opt (fshow-column): ... to here.
7614         * diagnostic.c (diagnostic_build_prefix): Only print column number
7615         if flag_show_column.
7616
7617 2005-03-27  Steven Bosscher  <stevenb@suse.de>
7618
7619         * vax-protos.h (vax_output_int_move, vax_output_int_add,
7620         vax_output_conditional_branch): New prototypes.
7621         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
7622         extracted from vax.md mov and add patterns.
7623         (vax_output_conditional_branch): New function to output conditional
7624         branch instructions.
7625         * vax.md: Use mode macros for arithmetic and mov patterns.
7626         Use code macros for the jump patterns.
7627
7628 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
7629
7630         * Makefile.in (libbackend.o): Depend on version files;
7631         add custom generation command.
7632
7633 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
7634
7635         PR target/20636
7636         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
7637         sure that we have a REG before getting its REGNO.
7638
7639 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7640
7641         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
7642         * builtins.def (BUILT_IN_STRNDUP): New.
7643
7644 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
7645
7646         PR tree-optimization/20470
7647         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
7648         ABS(x-y).
7649
7650 2005-03-25  Mike Stump  <mrs@apple.com>
7651
7652         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
7653         sized objects.
7654
7655 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
7656
7657         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
7658         Use our own structure definitions.
7659
7660         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
7661         (fix_truncdfsi2): Allow registers or memory as destination.
7662         When TARGET_PPC_GFXOPT, generate simplified pattern.
7663         (fix_truncdfsi2_internal): Use define_insn_and_split.
7664         (fix_truncdfsi2_internal_gfxopt): New.
7665         (fctiwz): Don't confuse register allocation by giving it no choices.
7666         (stfiwx): New.
7667         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
7668         (EXTRA_MEMORY_CONSTRAINT): Likewise.
7669         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
7670         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
7671
7672 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
7673
7674         * dominance.c (free_dominance_info): Speed up by freeing et
7675         data structures without maintaining other nodes.
7676         * et-forest.c (et_free_tree_force): New.
7677         * et-forest.h: Add a prototype for et_free_tree_force.
7678
7679         * tree.c (get_set_constructor_bits,
7680         get_set_constructor_bytes): Remove.
7681         * tree.h: Remove the corresponding prototypes.
7682
7683 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
7684
7685         PR target/15491
7686         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
7687         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
7688         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
7689         PRE_DEC, NEG and NOT.
7690
7691 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
7692
7693         * fold-const.c: Convert uses of fold (build (...)) to
7694         fold_buildN.
7695
7696 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
7697
7698         PR rtl-optimization/20249
7699         * cse.c (insert_regs): Do not record equivalence of registers in
7700         different modes.
7701
7702 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
7703
7704         * emit-rtl.c (reverse_comparison): Remove.
7705         * rtl.h: Remove the corresponding prototype.
7706
7707 2005-03-24  James E Wilson  <wilson@specifixinc.com>
7708
7709         * doc/install.texi (--enable-altivec): Delete docs.
7710
7711 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
7712
7713         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
7714         SFmode and DFmode before reload when
7715         flag_unsafe_math_optimizations not enabled.
7716
7717 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
7718
7719         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
7720
7721         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
7722         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
7723
7724 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
7725
7726         * configure.ac (enable-checking): Add 'runtime' option.
7727         * doc/install.texi (enable-checking): Document 'runtime' checking.
7728         * tsystem.h (gcc_assert, gcc_unreachable): Define.
7729         * config.in: Regenerated.
7730         * configure: Regenerated.
7731
7732 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
7733
7734         * optabs.h (enum optab_index): Remove OTI_llrint.
7735         (llrint_optab): Remove macro.
7736         * optabs.c (init_optabs): Remove llrint_optab initialization.
7737         * genopinit.c (optabs): Remove llrint_optab implementation.
7738         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
7739         using lrint_optab.
7740
7741 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
7742
7743         PR rtl-optimization/20532
7744         * simplify-rtx.c (simplify_binary_operation_1): Protect from
7745         overflow when adding coefficients for PLUS or MINUS.
7746         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
7747         two as multiplier.
7748
7749 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
7750
7751         * langhooks.h (truthvalue_conversion): Remove.
7752         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
7753         LANG_HOOKS_TRUTHVALUE_CONVERSION.
7754         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
7755         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
7756         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
7757
7758 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
7759
7760         * params.def: Fix a typo.
7761         * config/mips/mips.c: Follow the spelling convensions.
7762         * doc/invoke.texi: Fix typos.
7763
7764 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
7765
7766         Fix PR tree-optimization/20601
7767
7768         * tree-ssa-pre.c (insert_aux): Add missing condition to
7769         constification.
7770
7771 2005-03-23  Ian Lance Taylor  <ian@airs.com>
7772
7773         * final.c (final_scan_insn): Don't remove no-op instructions.
7774         * reload1.c (reload): Remove simple no-op instructions even when
7775         not optimizing.
7776
7777 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
7778
7779         PR tree-optimization/20501
7780         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
7781         reporting that peeling for alignment is applied moved to...
7782         * (vect_analyze_data_refs_alignment): Here.
7783
7784 2005-03-23  Ian Lance Taylor  <ian@airs.com>
7785
7786         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
7787
7788 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
7789
7790         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
7791         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
7792
7793 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
7794
7795         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
7796         imply that this is called once, independent of asms in code.
7797         Adjust to now being pased output and input lists.  Mention helper
7798         function decl_overlaps_hard_reg_set_p.
7799         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
7800         hook_tree_tree_identity and to take three trees, returning third.
7801         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
7802         prototype.
7803         * stmt.c: include hard-reg-set.h before tree.h.
7804         (decl_overlaps_hard_reg_set_p): New function, broken out from...
7805         (decl_conflicts_with_clobbers_p): Call
7806         decl_overlaps_hard_reg_set_p.
7807         (expand_asm_operands): Pass output and input lists in call to
7808         targetm.md_asm_clobbers.
7809         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
7810         hook_tree_tree_tree_tree_3rd_identity.
7811         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
7812         parameters.
7813         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
7814         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
7815         parameters, first two unused.
7816         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
7817         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
7818         in constraint letters and MOF is not mentioned as a asm-declared
7819         register in neither of the input and output lists.
7820
7821 2005-03-23  DJ Delorie  <dj@redhat.com>
7822
7823         * optabs.c (expand_binop): Make sure the first subword's result
7824         gets stored.
7825
7826 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
7827
7828         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
7829         Call c_common_truthvalue_conversion rather than
7830         lang_hooks.truthvalue_conversion.
7831         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
7832         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
7833         c-typeck.c.
7834         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
7835         c_common_truthvalue_conversion.
7836         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
7837         c_parser_conditional_expression, c_parser_binary_expression): Call
7838         c_objc_common_truthvalue_conversion.
7839         * c-typeck.c (build_unary_op): Call
7840         c_objc_common_truthvalue_conversion.
7841         (build_conditional_expr): Do not call
7842         lang_hooks.truthvalue_conversion.
7843         (build_binary_op): Call c_common_truthvalue_conversion.
7844         (c_objc_common_truthvalue_conversion): Moved from
7845         c-objc-common.c.  Call default_function_array_conversion instead
7846         of default_conversion.
7847
7848 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
7849
7850         * c-common.h (default_conversion): Remove.
7851         (perform_integral_promotions): Add.
7852         * c-tree.h (default_conversion): Add.
7853         * c-typeck.c (perform_integral_promotions): New, split out from
7854         default_conversion.
7855         * c-common.c (check_case_value): Use perform_integral_promotions,
7856         not default_conversion.
7857         (c_add_case_label): Don't continue processing case label after
7858         found to be pointer.
7859
7860 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
7861
7862         * gcc.c (do_spec_1): Do not add a -L path for a directory in
7863         the prefix list if we have already added a multilib directory
7864         based on that path.
7865         (main): Do not add MD_EXEC_PREFIX to the list of directories to
7866         search with -L.
7867
7868 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
7869
7870         * reload1.c (indirect_symref_ok, reload_obstack): Make them
7871         static.
7872         * reload.h: Remove the prototype for indirect_symref_ok.
7873
7874         * reload1.c (indirect_symref_ok): Make it global.
7875         * reload.h: Add a prototype for indirect_symref_ok.
7876
7877 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
7878
7879         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
7880         ashlhi3 expander.
7881
7882 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
7883
7884         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
7885
7886 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
7887
7888         * c-opts.c (c_common_parse_file): Only start/end main source file
7889         if debug hooks says the writer wants it.
7890         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
7891         member.
7892         (xcoff_debug_hooks): Ditto.
7893         * debug.c (do_nothing_hooks): Ditto.
7894         * debug.h (gcc_debug_hooks): Ditto.
7895         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
7896         * sdbout.c (sdb_debug_hooks): Ditto.
7897         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
7898
7899 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
7900
7901         * doc/extend.texi: Deprecate C++ min/max operators.
7902
7903 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
7904
7905         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
7906         artificial original candidates.
7907
7908 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
7909             Jan Hubicka  <jh@suse.cz>
7910             Steven Bosscher <stevenb@suse.de>
7911
7912         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
7913         call cost based on argument sizes.
7914         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
7915         inlining.
7916         * params.def: (max-inline-inssn-single): Set to 450.
7917         (max-inline-insns-auto): Set to 90.
7918         (max-inline-insns-recursive): Set to 450
7919         (max-inline-insns-recursive-auto): Set to 450.
7920         (large-function-insns): Set to 2700.
7921         (inline-call-cost): New parameter.
7922         * tree-inline.c (estimate_move_cost): New function.
7923         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
7924         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
7925         based on arguments.
7926         * tree-inline.h (estimate_move_cost): Declare.
7927         * invoke.texi: (max-inline-inssn-single): Change default to 450.
7928         (max-inline-insns-auto): Change default to 90.
7929         (max-inline-insns-recursive): Change default to 450
7930         (max-inline-insns-recursive-auto): Change default to 450.
7931         (large-function-insns): Change default to 2700.
7932         (inline-call-cost): Document new parameter.
7933
7934 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
7935
7936         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
7937         (TARGET_DEFAULT): Delete.
7938         * config/i860/i860.opt: New file.
7939
7940 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
7941
7942         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
7943         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
7944         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
7945         (frv_sched_lookahead): Delete.
7946         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
7947         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
7948         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
7949         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
7950         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
7951         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
7952         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
7953         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
7954         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
7955         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
7956         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
7957         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
7958         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
7959         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
7960         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
7961         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
7962         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
7963         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
7964         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
7965         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
7966         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
7967         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
7968         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
7969         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
7970         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
7971         (frv_sched_lookahead): Delete.
7972         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
7973         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7974         (frv_handle_option): New function.  Move -mcpu= handling from...
7975         (frv_override_options): ...here.  Remove handling of other
7976         TARGET_OPTIONS.
7977         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
7978         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
7979         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
7980         and TARGET_NO_MULTI_CE.
7981         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
7982         !TARGET_VLIW_BRANCH.
7983         * config/frv/frv.opt: New file.
7984
7985 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
7986
7987         * fold-const.c (fold_ternary): Take decomposed arguments of
7988         CALL_EXPR.
7989         (fold): Update a call to fold_ternary.
7990
7991         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
7992         * tree.h: Add corresponding prototypes.
7993
7994 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
7995
7996         PR target/20561
7997         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
7998         between jump table and its label.
7999         * final.c (shorten_branches): Handle notes in between ADDR_VEC
8000         resp. ADDR_DIFF_VEC and the label preceeding it.
8001         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
8002         is emitted in the right section.
8003
8004 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
8005
8006         * fold-const.c (fold_unary, fold_binary): Update comments
8007         about arguments.
8008
8009 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
8010
8011         PR rtl-optimization/20527
8012         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
8013         REG_INC note, test that the register also isn't mentioned in PRED
8014         or SUCC.
8015
8016 2005-03-22  Ben Elliston  <bje@au.ibm.com>
8017
8018         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
8019         and definition.
8020
8021 2005-03-21  Mike Stump  <mrs@apple.com>
8022
8023         * varasm.c (default_assemble_visibility): Remove extra ().
8024
8025 2005-03-21  Roger Sayle  <roger@eyesopen.com>
8026
8027         PR middle-end/20557
8028         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
8029         to determine whether a block can be duplicated, rather than test
8030         whether the block contains noncopyable insns ourselves.
8031
8032 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
8033
8034         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
8035         predicates.
8036
8037 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
8038
8039         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
8040
8041 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
8042
8043         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
8044         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
8045         * config/fr30/fr30.opt: New file.
8046
8047 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
8048
8049         Fix PR tree-optimization/20542
8050
8051         * tree-flow-inline.h (overlap_subvar): Move to here.
8052         * tree-ssa-operands.c: From here.
8053         * tree-flow.h (overlap_subvar): Declare.
8054         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
8055         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
8056         for variables with subvars.
8057
8058 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
8059
8060         PR middle-end/20177
8061         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
8062         * modulo-sched.c (const_iteration_count): Return on NULL
8063         pre-header.
8064         (print_node_sched_params): Return on NULL dump_file.
8065         (generate_reg_moves): Handle reg-anti dependencies and disregard
8066         closing branch when generating register moves.
8067         (sms_schedule): Mark the SMSed block dirty.
8068         * passes.c (rest_of_handle_sms): Call update_life_info for all
8069         basic-blocks.
8070         * testsuite/gcc.dg/20050321-1.c: New test.
8071
8072 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
8073
8074         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
8075         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
8076         movqi_internal): Likewise.
8077
8078 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
8079
8080         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
8081         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
8082         xtensa_b4const): Delete prototypes.
8083         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
8084         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
8085         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
8086         xtensa_extra_constraint): New prototypes.
8087         (add_operand, arith_operand, nonimmed_operand, mem_operand,
8088         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
8089         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
8090         move_operand, const_float_1_operand, fpmem_offset_operand,
8091         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
8092         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
8093         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
8094         argument type to HOST_WIDE_INT.
8095         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
8096         xtensa_mask_immediate): Likewise.
8097         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
8098         Likewise.  Also make these functions static.
8099         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
8100         (xtensa_const_ok_for_letter_p): New.
8101         (add_operand, arith_operand, nonimmed_operand, mem_operand,
8102         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
8103         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
8104         move_operand, const_float_1_operand, fpmem_offset_operand,
8105         branch_operator, ubranch_operator, boolean_operator): Move to
8106         predicates.md.
8107         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
8108         (xtensa_mem_offset): Change return type to bool.
8109         (xtensa_extra_constraint): New.
8110         (gen_int_relational): Update type of const_range_p function pointer.
8111         Use xtensa_b4const_or_zero.
8112         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
8113         xtensa_const_ok_for_letter_p.  Update comments.
8114         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
8115         (PREDICATE_CODES): Delete.
8116         * config/xtensa/xtensa.md: Include predicates.md.
8117         * config/xtensa/predicates.md: New file.
8118
8119 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
8120
8121         * config/v850/v850-protos.h: Remove the prototypes for
8122         reg_or_int9_operand, reg_or_const_operand,
8123         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
8124         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
8125         movsi_source_operand, power_of_two_operand,
8126         not_power_of_two_operand, special_symbolref_operand,
8127         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
8128         register_is_ok_for_epilogue.
8129         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
8130         reg_or_int9_operand, reg_or_const_operand,
8131         call_address_operand, special_symbolref_operand,
8132         movsi_source_operand, power_of_two_operand,
8133         not_power_of_two_operand, register_is_ok_for_epilogue,
8134         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
8135         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
8136         predicates.md.
8137         * config/v850/v850.h (PREDICATE_CODES): Remove.
8138         * config/v850/v850.md: Include predicates.md.
8139         * config/v850/predicates.md: New.
8140
8141 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
8142
8143         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
8144         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
8145         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
8146         (itoolsdir, itoolsdatadir): Move definition above new first use.
8147         (install-itoolsdirs): New rule.
8148         (install-mkheaders): Depend on install-itoolsdirs, not
8149         install-include-dir.
8150
8151 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
8152
8153         * tree-into-ssa.c: Remove obsolete comments.
8154
8155 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
8156
8157         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
8158         unrolling if -fpeel-loops is specified, too.
8159         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
8160         Remove superfluous check for flag_unroll_loops.
8161
8162 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
8163
8164         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
8165         (lrint_optab, llrint_optab): Define corresponding macros.
8166         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
8167         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
8168         pattern and llrint_optab using llrintdi2 patterns.
8169         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
8170         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
8171         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
8172         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
8173         flag_unsafe_math_optimizations is set.
8174
8175 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
8176
8177         * combine.c (combine_simplify_rtx, simplify_if_then_else,
8178         simplify_logical, if_then_else_cond, known_cond,
8179         simplify_comparison): Adjust calls to reverse_comparison.
8180         Don't use combine_reversed_comparison_code).
8181         (combine_reversed_comparison_code): Remove.
8182         (reversed_comparison): Using reversed_comparison_code, move it...
8183         * jump.c (reversed_comparison): ... here.
8184         * rtl.h (reversed_comparison): Add prototype.
8185
8186 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
8187
8188         * builtins.c (fold_builtin): Take decomposed arguments of
8189         CALL_EXPR.
8190         * fold-const.c (fold_ternary): Update a call to fold_builtin.
8191         * gimplify.c (gimplify_call_expr): Likewise.
8192         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
8193         * tree.h: Update the prototype of fold_builtin.
8194
8195 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
8196
8197         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
8198         * rtlhooks.c (gen_lowpart_no_emit_general): New.
8199         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
8200         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
8201         * simplify-rtx.c (simplify_binary_operation_1): Use it.
8202
8203 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
8204
8205         * builtins.c (fold_builtin_1): Take decomposed arguments of
8206         CALL_EXPR.
8207         (fold_builtin): Update a call to fold_builtin_1.
8208
8209 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
8210
8211         PR other/20564
8212         * gcov.c (output_lines): Only output function block summary when
8213         outputting branch information.
8214         * doc/gcov.texi: Document format of preamble and additional block
8215         information lines.
8216
8217 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
8218
8219         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
8220         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
8221         the defaults false if BITS_PER_UNIT != 8.
8222         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
8223         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
8224         than BITS_PER_UNIT != 8.
8225         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
8226         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
8227         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
8228         #undefs.
8229         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
8230         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
8231
8232 2005-03-20  Roger Sayle  <roger@eyesopen.com>
8233
8234         PR middle-end/20539
8235         * fold-const.c (fold_binary): Fix type mismatch between
8236         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
8237         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
8238         for non-truth-valued expressions.
8239
8240         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
8241         and FUNCTION_DECL in the main switch.
8242         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
8243         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
8244         we also need to convert their operands to match.
8245         <TRUTH_NOT_EXPR>: Likewise.
8246
8247 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
8248
8249         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
8250         diagnostic without checking whether an lvalue.
8251         * c-common.h (lvalue_p): Remove.
8252         (enum lvalue_use): Update comment.
8253         (lvalue_or_else): Replace by lvalue_error.
8254         * c-typeck.c (lvalue_p): Make static.
8255         (lvalue_or_else): New.  Call lvalue_error.
8256
8257 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
8258
8259         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
8260         (function_arg_advance): Use rs6000_parm_start.
8261         (function_arg, rs6000_arg_partial_bytes): Likewise.
8262
8263 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
8264
8265         * c-common.c (check_case_value): Adjust comment about stripping
8266         NOPs.
8267         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
8268         * c-typeck.c (default_conversion, convert_arguments,
8269         build_modify_expr, convert_for_assignment, store_init_value,
8270         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
8271         manually.  Remove inaccurate comments.
8272
8273 2005-03-20  Roger Sayle  <roger@eyesopen.com>
8274             Joseph S. Myers  <joseph@codesourcery.com>
8275
8276         * varasm.c (do_assemble_alias): Restore comment describing function.
8277         Annotate the target parameter as potentially unused.
8278
8279 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
8280
8281         PR target/18551
8282         * config/avr/avr.c (avr_output_function_prologue): Do not use
8283         current_function_name() in a label, use a local label instead.
8284
8285 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
8286
8287         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
8288         flag_finite_math_only, not flag_unsafe_math_optimizations.
8289
8290 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
8291
8292         * builtins.c (fold_builtin_1): Update a call to
8293         targetm.fold_builtin.
8294         * hooks.c (hook_tree_tree_bool_null): Rename to
8295         hook_tree_tree_tree_bool_null.  Take one more argument of type
8296         tree.
8297         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
8298         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
8299         hook_tree_tree_tree_bool_null.
8300         * target.h (gcc_target): Update the prototype of fold_builtin.
8301         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
8302         arguments of CALL_EXPR.
8303         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
8304         new prototype.
8305
8306 2005-03-20  Jan Hubicka  <jh@suse.cz>
8307
8308         * cgraph.h (cgraph_node): Add prev_clone pointer.
8309         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
8310         (cgraph_clone_node): Produce doubly linked chain.
8311
8312 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
8313
8314         * c-common.c (handle_aligned_attribute, check_function_sentinel,
8315         get_nonnull_operand, handle_sentinel_attribute,
8316         check_function_arguments_recurse): Do not strip NOPS from
8317         INTEGER_CSTs.
8318         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
8319         Likewise.
8320         * c-format.c (get_constant): Likewise.
8321         * c-parser.c (c_parser_postfix_expression): Likewise.
8322         * c-typeck.c (set_init_index): Likewise.
8323         (convert_arguments): Don't check for NOP_EXPR containing integer
8324         constant.
8325
8326 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
8327
8328         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
8329         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
8330         Take decomposed arguments of CALL_EXPR.
8331         (fold_builtin_1): Update calls to the functions mentioned
8332         above.
8333
8334 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
8335
8336         * c-decl.c (check_bitfield_type_and_width): Require bit-field
8337         width to have integer type.
8338         (build_enumerator): Require enumerator value to have integer type.
8339
8340 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
8341
8342         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
8343         to __builtin_inff.
8344
8345 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
8346
8347         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
8348         std=iso9899:199x): Correct descriptions.
8349
8350 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
8351
8352         * config.gcc: Consistently use solaris2.1[0-9]* instead of
8353         solaris2.1[0-9].
8354
8355 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
8356
8357         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
8358         of CALL_EXPR.
8359         (expand_builtin_memcpy, fold_builtin_1): Update calls to
8360         fold_builtin_memcpy.
8361
8362         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
8363         arguments of CALL_EXPR.
8364         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
8365         fold_builtin_found, fold_builtin_1): Update calls to
8366         fold_trunc_transparent_mathfn.
8367
8368 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8369
8370         PR middle-end/20493
8371         * fold-const.c (fold_widened_comparison): Don't optimize casts of
8372         function pointers on targets that require function pointer
8373         canonicalization.
8374         (fold_sign_changed_comparison): Likewise.
8375
8376 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
8377
8378         * combine.c (try_combine): When changing the mode of a hard reg, make
8379         sure that doing so is valid.
8380
8381 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
8382
8383         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
8384         (TARGET_HANDLE_OPTION): Override default.
8385         (avr_handle_option): New function.
8386         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
8387         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
8388         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
8389         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
8390         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
8391         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
8392         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
8393         (TARGET_OPTIONS): Delete.
8394         * config/avr/avr.opt: New file.
8395
8396 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
8397
8398         * config/m32r/m32r-protos.h: Remove the prototypes for
8399         call_address_operand, symbolic_operand, seth_add3_operand,
8400         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
8401         reg_or_uint16_operand, reg_or_cmp_int16_operand,
8402         two_insn_const_operand, move_src_operand,
8403         move_double_src_operand, move_dest_operand,
8404         eqne_comparison_operator, signed_comparison_operator,
8405         large_insn_p, conditional_move_operand, carry_compare_operand,
8406         m32r_block_immediate_operand, extend_operand,
8407         reg_or_eq_int16_operand, int8_operand, and
8408         reg_or_zero_operand.
8409         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
8410         seth_add3_operand, int8_operand, cmp_int16_operand,
8411         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
8412         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
8413         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
8414         move_double_src_operand, move_dest_operand,
8415         eqne_comparison_operator, signed_comparison_operator,
8416         extend_operand, small_insn_p, large_insn_p,
8417         conditional_move_operand, carry_compare_operand,
8418         m32r_block_immediate_operand): Move to predicates.md.
8419         (MAX_MOVE_BYTES): Move to m32r.h.
8420         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
8421         * config/m32r/m32r.md: Include predicates.md.
8422         * config/m32r/predicates.md: New.
8423
8424 2005-03-18  James E Wilson  <wilson@specifixinc.com>
8425
8426         PR c++/19769
8427         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
8428         origin.
8429
8430 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
8431
8432         * config/mn10300/mn10300-protos.h: Remove the prototypes for
8433         call_address_operand, const_8bit_operand.
8434         * config/mn10300/mn10300.c (call_address_operand,
8435         const_8bit_operand, const_1f_operand): Move to predicates.md.
8436         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
8437         * config/mn10300/mn10300.md: Include predicates.md.
8438         * config/mn10300/predicates.md: New.
8439
8440 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
8441
8442         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
8443         declarations in diagnostics and %E for identifiers, not %s.
8444
8445 2005-03-18  Jan Hubicka  <jh@suse.cz>
8446             Dale Johannesen  <dalej@apple.com>
8447
8448         * basic-block.h (scale_bbs_frequencies_int,
8449         scale_bbs_frequencies_gcov_type): Declare.
8450         * cfg.c (RDIV): New macro.
8451         (update_bb_frequency_for_threading): Fix.
8452         * basic-block.h (scale_bbs_frequencies_int,
8453         scale_bbs_frequencies_gcov_type): New.
8454         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
8455         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
8456         scale_bbs_frequencies_int.
8457         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
8458
8459 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
8460
8461         * config/m32r/m32r-protos.h: Remove the prototypes for
8462         call_address_operand, symbolic_operand, seth_add3_operand,
8463         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
8464         reg_or_uint16_operand, reg_or_cmp_int16_operand,
8465         two_insn_const_operand, move_src_operand,
8466         move_double_src_operand, move_dest_operand,
8467         eqne_comparison_operator, signed_comparison_operator,
8468         large_insn_p, conditional_move_operand, carry_compare_operand,
8469         m32r_block_immediate_operand, extend_operand,
8470         reg_or_eq_int16_operand, int8_operand, and
8471         reg_or_zero_operand.
8472         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
8473         seth_add3_operand, int8_operand, cmp_int16_operand,
8474         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
8475         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
8476         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
8477         move_double_src_operand, move_dest_operand,
8478         eqne_comparison_operator, signed_comparison_operator,
8479         extend_operand, small_insn_p, large_insn_p,
8480         conditional_move_operand, carry_compare_operand,
8481         m32r_block_immediate_operand): Move to predicates.md.
8482         (MAX_MOVE_BYTES): Move to m32r.h.
8483         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
8484         * config/m32r/m32r.md: Include predicates.md.
8485         * config/m32r/predicates.md: New.
8486
8487         * config/pa/pa-protos.h: Add prototypes for magic_milli and
8488         shadd_constant_p.
8489         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
8490         symbolic_operand, symbolic_memory_operand,
8491         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
8492         indexed_memory_operand, move_dest_operand, move_src_operand,
8493         prefetch_cc_operand, prefetch_nocc_operand,
8494         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
8495         arith_operand, arith11_operand, pre_cint_operand,
8496         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
8497         ireg_operand, int5_operand, uint5_operand, int11_operand,
8498         uint32_operand, arith5_operand, and_operand, ior_operand,
8499         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
8500         pc_or_label_operand, div_operand, plus_xor_ior_operator,
8501         shadd_operand, movb_comparison_operator,
8502         cmpib_comparison_operator): Move to predicates.md.
8503         (magic_milli, shadd_constant_p): Make it extern.
8504         * config/pa/pa.h (PREDICATE_CODES): Remove.
8505         * config/pa/pa.md: Include predicates.md.
8506         * config/pa/predicates.md: New.
8507
8508         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
8509         predicate.
8510
8511 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
8512
8513         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
8514         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
8515         config/alpha/freebsd.h, config/alpha/linux.h,
8516         config/alpha/netbsd.h, config/alpha/osf5.h,
8517         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
8518         config/h8300/h8300-protos.h, config/h8300/h8300.c,
8519         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
8520         doc/cppopts.texi: Update copyright.
8521
8522 2005-03-18  Jan Hubicka  <jh@suse.cz>
8523
8524         PR middle-end/20225
8525         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
8526         too late.
8527         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
8528         called too late.
8529
8530 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
8531
8532         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
8533         VEC_safe_push.
8534
8535 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
8536
8537         * combine.c (gen_binary): Remove.
8538         (known_cond, simplify_shift_const, find_split_point,
8539         combine_simplify_rtx, simplify_if_then_else, simplify_set,
8540         simplify_logical, expand_field_assignment, extract_left_shift,
8541         force_to_mode, if_then_else_cond, apply_distributive_law,
8542         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
8543         simplify_comparison, reversed_comparison): Replace with
8544         simplify_gen_binary, simplify_gen_relational or
8545         distribute_and_simplify_rtx.
8546         (distribute_and_simplify_rtx): New function.
8547
8548 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
8549             Paolo Bonzini  <gcc.gnu.org>
8550
8551         * calls.c (setjmp_call_p, special_function_p): Update comments
8552         at the head of the functions.
8553
8554 2005-03-18  Jan Hubicka  <jh@suse.cz>
8555
8556         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
8557
8558         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
8559         function body should be released; do not proactively release function
8560         bodies in non-unit-at-a-time mode.
8561
8562 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
8563
8564         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
8565         mno-fp-ret-in-387 multilib variants.
8566
8567 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
8568
8569         * common.opt (m): Remove.
8570         * opts.c (handle_option): Pass 'm' options to set_target_switch if
8571         table lookup fails.
8572         (common_handle_option): Remove OPT_m case.
8573
8574 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
8575
8576         * builtins.c (fold_builtin_bitop): Take decomposed arguments
8577         of CALL_EXPR.
8578         (fold_builtin_1): Update a call to fold_builtin_bitop.
8579
8580         * builtins.c (fold_builtin_signbit): Take decomposed arguments
8581         of CALL_EXPR.
8582         (fold_builtin_1): Update a call to fold_builtin_signbit.
8583
8584 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
8585
8586         PR tree-optimization/20474
8587         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
8588         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
8589
8590 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
8591
8592         * config/h8300/h8300-protos.h: Remove prototypes for
8593         general_operand_src, general_operand_dst, single_one_operand,
8594         single_zero_operand, call_insn_operand,
8595         two_insn_adds_subs_operand, small_call_insn_operand,
8596         jump_address_operand, bit_operand, bit_memory_operand,
8597         stack_pointer_operand, const_int_gt_2_operand,
8598         const_int_ge_8_operand, const_int_qi_operand,
8599         const_int_hi_operand, incdec_operand, bit_operator,
8600         nshift_operator, eqne_operator, gtle_operator,
8601         gtuleu_operator, iorxor_operator.
8602         Add prototypes for h8sx_shift_type h8sx_classify_shift and
8603         h8300_ldm_stm_parallel.
8604         * config/h8300/h8300.c (h8sx_shift_type,): Move to
8605         h8300-protos.h.
8606         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
8607         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
8608         (h8300_ldm_stm_parallel): Make it extern.
8609         (h8300_ldm_parallel, h8300_stm_parallel,
8610         h8300_return_parallel, general_operand_src,
8611         general_operand_dst, h8300_dst_operand, h8300_src_operand,
8612         nibble_operand, reg_or_nibble_operand, single_one_operand,
8613         single_zero_operand, call_insn_operand,
8614         two_insn_adds_subs_operand, small_call_insn_operand,
8615         jump_address_operand, bit_operand, bit_memory_operand,
8616         stack_pointer_operand, const_int_gt_2_operand,
8617         const_int_ge_8_operand, const_int_qi_operand,
8618         const_int_hi_operand, incdec_operand, eqne_operator,
8619         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
8620         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
8621         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
8622         nshift_operator): Move to predicates.md.
8623         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
8624         * config/h8300/h8300.md: Include predicates.md.
8625         * config/h8300/predicates.md: New.
8626
8627 2005-03-17  Richard Henderson  <rth@redhat.com>
8628
8629         * config.gcc (ia64*-*-hpux*): Add extra_options.
8630         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
8631         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
8632         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
8633         (ia64_tls_size_string, ia64_tune_string): Remove.
8634         (ia64_tune): Init to PROCESSOR_ITANIUM2.
8635         (TARGET_DEFAULT_TARGET_FLAGS): New.
8636         (TARGET_HANDLE_OPTION): New.
8637         (ia64_override_options): Move options parsing ...
8638         (ia64_handle_option): ... here.  New.
8639         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
8640         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
8641         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
8642         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
8643         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
8644         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
8645         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
8646         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
8647         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
8648         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
8649         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
8650         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
8651         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
8652         TARGET_EARLY_STOP_BITS): Remove.
8653         (TARGET_ILP32): Default false.
8654         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
8655         (enum ia64_inline_type): New.
8656         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
8657         * config/ia64/ia64.md: Update for new definitions of
8658         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
8659         * config/ia64/ia64.opt: New file.
8660         * config/ia64/ilp32.opt: New file.
8661
8662 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
8663
8664         PR target/18380
8665         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
8666
8667 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
8668
8669         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
8670         instead of MASK_H8300S.
8671         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
8672         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
8673         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
8674         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
8675         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
8676         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
8677         TARGET_SWITCHES): Remove.
8678         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
8679         TARGET_H8300SX.
8680         * config/h8300/h8300.opt: New.
8681
8682         * config/alpha/alpha.opt, config/arc/arc.opt,
8683         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
8684         notices.
8685
8686 2005-03-17  Ian Lance Taylor  <ian@airs.com>
8687
8688         * gmon.c: Remove.
8689
8690 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
8691
8692         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
8693         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
8694         (TARGET_HANDLE_OPTION): Override default.
8695         (arc_handle_option): New function.
8696         (arc_init): Remove code to set arch_cpu_string.
8697         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
8698         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
8699         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
8700         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
8701         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
8702         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
8703         (arc_rodata_string, TARGET_OPTIONS): Delete.
8704         * config/arc/arc.opt: New file.
8705
8706 2005-03-17  Richard Henderson  <rth@redhat.com>
8707
8708         * doc/extend.texi (Weak Pragmas): New section.
8709         (attribute alias): Clarify that target must be in the same
8710         translation unit.
8711
8712 2005-03-17  Richard Henderson  <rth@redhat.com>
8713
8714         * config/alpha/alpha.opt: New file.
8715         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
8716         of alpha_cpu.
8717         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
8718         alpha_fprm_string, alpha_fptm_string): Make static.
8719         (alpha_tls_size_string): Remove.
8720         (alpha_handle_option): New.
8721         (override_options): Update for alpha_cpu/alpha_tune split.
8722         (alpha_file_start): Likewise.
8723         (TARGET_DEFAULT_TARGET_FLAGS): New.
8724         (TARGET_HANDLE_OPTION): New.
8725         * config/alpha/alpha.h (alpha_tune): Declare.
8726         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
8727         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
8728         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
8729         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
8730         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
8731         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
8732         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
8733         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
8734         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
8735         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
8736         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
8737         (TARGET_DEFAULT): Remove MASK_FP.
8738         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
8739         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
8740         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
8741         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
8742         alpha_tls_size_string): Remove.
8743         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
8744         (attribute tune): Rename from attribute cpu.
8745         * config/alpha/ev4.md: Update to match.
8746         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
8747         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
8748         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
8749         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
8750         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
8751         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
8752
8753 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
8754
8755         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
8756         and return without creating new state if before_nops_num is nonzero.
8757         * config/ia64/ia64.md (first_insn): New attribute.
8758         (alloc): Set it to yes.
8759
8760 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
8761
8762         * tree-vectorizer.c (new_vec_stmt_info): Initialize
8763         STMT_VINFO_SUBVARS to NULL.
8764         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
8765
8766 2005-03-16 Dale Johannesen  <dalej@apple.com>
8767
8768         * rtlanal.c (find_first_parameter_load):  Rewrite to
8769         return actual first param load or the call if none,
8770         instead of first in block, when not all loads exist.
8771
8772 2005-03-16  Roger Sayle  <roger@eyesopen.com>
8773
8774         * optabs.c (expand_copysign_absneg): Make static.
8775         * optabs.h (expand_copysign_absneg): Delete prototype.
8776         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
8777
8778 2005-03-16  Richard Henderson  <rth@redhat.com>
8779
8780         PR middle-end/15700
8781         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
8782         (alias_pairs): Rename from output_defs.
8783         (find_decl_and_mark_needed): Split out from assemble_alias.
8784         (do_assemble_alias): New.
8785         (assemble_output_def): Remove.
8786         (finish_aliases_1, finish_aliases_2): New.
8787         (process_pending_assemble_output_defs): Remove.
8788         (assemble_alias): Defer aliases for which we don't yet have a
8789         non-external decl for the target symbol.
8790         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
8791         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
8792         * toplev.c (compile_file): Use finish_aliases_2 instead of
8793         process_pending_assemble_output_defs.
8794         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
8795         (process_pending_assemble_output_defs): Remove.
8796
8797 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
8798
8799         Fix PR tree-optimization/20489
8800
8801         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
8802         for empty structures.
8803
8804 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
8805
8806         Fix PR tree-optimization/20490
8807
8808         * tree-ssa-pre.c (create_expression_by_pieces): Use
8809         force_gimple_operand on result of fold.
8810
8811 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
8812
8813         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
8814         of closing parenthesis.
8815
8816 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
8817
8818         * builtins.c (expand_movstr): Update a call to
8819         fold_builtin_strcpy.
8820         (expand_builtin_strncpy): Update a call to
8821         fold_builtin_strncpy.
8822         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
8823         arguments of CALL_EXPR.
8824         (fold_builtin_1): Update calls to fold_builtin_strcpy and
8825         fold_builtin_strncpy.
8826         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
8827         * tree.h: Update the prototypes of fold_builtin_strcpy and
8828         fold_builtin_strncpy.
8829
8830 2005-03-16  Steven Bosscher  <stevenb@suse.de>
8831             Dorit Naishlos  <dorit@il.ibm.com>
8832
8833         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
8834         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
8835         error.
8836
8837 2005-03-16  Steven Bosscher  <stevenb@suse.de>
8838
8839         * tree-inline.c (walk_type_fields, walk_tree,
8840         walk_tree_without_duplicates): Move from here...
8841         * tree.c: ...to here.
8842
8843 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
8844
8845         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
8846         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
8847         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
8848         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
8849         (version): Define using $(BASEVER_c).
8850         (Makefile, config.status, build/gcov-iov.o): No longer depends on
8851         version.c.
8852         (version.o): Depend on version files; add custom generation command.
8853         (prefix.o): Define BASEVER on command line.
8854         (s-iov): Depend on version files; adjust command.
8855         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
8856         Add gcc-vers.texi.
8857         (gcc-vers.texi): New rule.
8858         (doc/%.info, doc/%.dvi): Add -I . to command line.
8859         (doc/gccinstall.dvi): Likewise.
8860         (PACKAGE): Delete.  All uses replaced with "gcc".
8861         * aclocal.m4: Do not include gcc-version.m4.
8862         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
8863         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
8864         Set is_release based on contents of DEV-PHASE.
8865         Set gcc_version based on contents of BASE-VER.
8866         Define WIN32_REGISTRY_KEY only if the user overrode the default.
8867         * config.in, configure: Regenerate.
8868         * gccbug.in: Determine version of GCC in use at runtime.
8869         * gcov-iov.c: Get version number and development phase from
8870         command line, not by including version.c.
8871         * intl.c: Replace all uses of PACKAGE with "gcc".
8872         * libada-mk.in: Delete unused "gcc_version" variable.
8873         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
8874         * version.c: (VERSUFFIX): New hook for redistributors; adjust
8875         commentary to match.
8876         (version_string): Put together from pieces.
8877         * config/alpha/x-vms: Do not use $(gcc_version).
8878         * config/i386/t-nwld: Likewise.
8879         * doc/include/gcc-common.texi: Include gcc-vers.texi for
8880         version-GCC and DEVELOPMENT.
8881
8882 2005-03-15  Roger Sayle  <roger@eyesopen.com>
8883
8884         PR tree-optimization/17454
8885         * tree.c (tree_size): Add case for TREE_BINFO.
8886         * fold-const.c (fold_checksum_tree): Only clear the overloaded
8887         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
8888
8889 2005-03-15  Roger Sayle  <roger@eyesopen.com>
8890
8891         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
8892         op1 whilst expanding the signed widenening multiply variant.
8893
8894 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
8895
8896         * toplev.c (display_target_options): Avoid unused variable warning if
8897         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
8898         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
8899         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
8900         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
8901         (mips_isa_info): New variable.
8902         (mips_parse_cpu): Remove the first argument and leave the caller
8903         to report errors.
8904         (TARGET_HANDLE_OPTION): Override default.
8905         (mips_handle_option): New function.  Move option validation code from...
8906         (override_options): ...here.  Update calls to mips_parse_cpu.
8907         * config/mips/mips.h (mips_arch_string, mips_tune_string)
8908         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
8909         (SUBTARGET_TARGET_OPTIONS): Delete.
8910         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
8911         (mno-flush-func, mtune=): New options.
8912
8913 2005-03-15  Roger Sayle  <roger@eyesopen.com>
8914             Richard Henderson  <rth@redhat.com>
8915
8916         * real.c (c4x_single_format, c4x_extended_format): Provide values
8917         for signbit_ro for c4x's single and extended floating point formats.
8918         * optabs.c (expand_copysign): Use the floating point format's
8919         signbit_ro for expanding via expand_copysign_absneg, and it's
8920         signbit_rw field for expanding via expand_copysign_bit.
8921
8922 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
8923
8924         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
8925         known_alignment_for_access_p.
8926         (known_alignment_for_access_p): New.
8927         (do_peeling_for_alignment): Field made int instead of bool and renamed
8928         to peeling_for_alignment.
8929         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
8930         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
8931         functionality used to be in vect_analyze_operations.
8932         (vect_analyze_operations): Code to determine vectorization factor was
8933         moved to vect_determine_vectorization_factor.
8934         (vect_enhance_data_refs_alignment): Update to correct alignment when it
8935         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
8936         factor.
8937         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
8938         be part of vect_analyze_operations).
8939         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
8940         creating the guard condition, as the number of iterations may be
8941         constant.
8942         (slpeel_tree_peel_loop_to_edge): Use new name of
8943         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
8944         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
8945         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
8946         (vect_do_peeling_for_alignment): Use fold.
8947         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
8948
8949         (vect_update_inits_of_dr): Renamed to
8950         vect_update_init_of_dr.
8951         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
8952         (vectorizable_store): Fix assertion to use == instead of =.
8953
8954 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
8955
8956         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
8957         call_used_regs for wCG registers.
8958
8959 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
8960
8961         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
8962         for non-offsettable memory references to cope with outstanding reload
8963         replacements, take 2.
8964
8965 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
8966
8967         PR target/18668
8968         * config/i386/i386.h (x86_fisttp): New.
8969         (TARGET_FISTTP): New macro.
8970         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
8971         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
8972         instruction when fisttp flag is set.
8973         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
8974
8975         * config/i386/i386.md (type attribute): Add fisttp.
8976         (unit attribute): Set to i387 for fisttp type.
8977         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
8978         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
8979         TARGET_FISTTP.
8980         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
8981         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
8982         macros.
8983         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
8984         patterns for TARGET_FISTTP.  Enable patterns for
8985         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
8986         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
8987         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
8988         implement fisttp x87 insn.
8989         (fix_trunc*_i387_fisttp splitters): New patterns.
8990         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
8991         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
8992         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
8993         clobber.
8994         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
8995         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
8996         Implement using mode macros. Disable patterns for TARGET_FISTTP.
8997         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
8998         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
8999         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
9000         Disable patterns for TARGET_FISTTP.
9001         (fix_trunc*_i387 splitters): Implement usign mode macros.
9002         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
9003         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
9004         (fix_trunx*_sse peephole2s): Implement using mode macros.
9005
9006 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
9007
9008         PR rtl-optimization/20291
9009         * combine.c (try_combine): If splitting fails, re-try with
9010         original combined pattern, i.e. before clobber stripping.
9011
9012 2005-03-14  Eric Christopher  <echristo@redhat.com>
9013
9014         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
9015         STACK_GROWS_DOWNWARD.
9016
9017 2005-03-14  Roger Sayle  <roger@eyesopen.com>
9018
9019         * real.h (struct real_format): Split the signbit field into two
9020         two fields, signbit_ro and signbit_rw.
9021         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
9022         mips_double_format, ieee_extended_motorola_format,
9023         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
9024         ieee_extended_intel_128_format, ibm_extended_format,
9025         mips_extended_format, ieee_quad_format, mips_quad_format,
9026         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
9027         i370_double_format, c4x_single_format, c4x_extended_format,
9028         real_internal_format): Update initializers for new field.
9029         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
9030         real_format structure.
9031         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
9032         field of the real_format structure.
9033
9034 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
9035
9036         Fix PR tree-optimization/20458
9037
9038         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
9039         DECL_EXTERNAL on STRUCT_FIELD tags.
9040         (clear_call_clobbered): Ditto.
9041         * tree-ssa-operands.c (note_addressable): Make sure the original
9042         variable doesn't slip into the addressable list if we have
9043         subvars.
9044         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
9045         tags too.
9046
9047 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
9048
9049         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
9050         (-fwide-exec-charset): Likewise.
9051         (-finput-charset): Likewise.
9052         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
9053         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
9054         * c.opt (Wnormalized): New.
9055
9056 2005-03-14  Devang Patel  <dpatel@apple.com>
9057
9058         * doc/invoke.texi: Add reference to Visibility document.
9059
9060 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
9061
9062         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
9063         MASK_SPLIT_ADDRESSES.
9064         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
9065         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
9066         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
9067         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
9068         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
9069         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
9070         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
9071         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
9072         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
9073         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
9074         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
9075         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
9076         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
9077         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
9078         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
9079         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
9080         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
9081         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
9082         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
9083         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
9084         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
9085         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
9086         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
9087         (TARGET_EXPLICIT_RELOCS): Delete.
9088         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
9089         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
9090         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
9091         (override_options): Set MASK_LONG64 if -mint64 is given and no
9092         -mlongXX option is.  Complain about -mint64 -mlong32.
9093         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
9094         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
9095         * config/mips/mips.opt: New file.
9096
9097 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
9098
9099         * config.gcc (extra_options): New variable for listing option files.
9100         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
9101         * configure.ac (extra_opt_files): New AC_SUBST variable.
9102         (tm_file_list, tm_include_list): Include options.h first.
9103         * configure: Regenerate.
9104         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
9105         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
9106         (s-options-h): New rule.
9107         (options.h): Depend on it.
9108         (TEXI_GCCINT_FILES): Add options.texi.
9109         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
9110         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
9111         * target.h (gcc_target): Add default_target_flags and handle_option.
9112         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
9113         (TARGET_HANDLE_OPTION): New macros.
9114         (TARGET_INITIALIZER): Include them.
9115         * opt-functions.awk (opt_args, nth_arg): New functions.
9116         (switch_flags): Handle the "Target" flag.
9117         (var_args): Delete.
9118         (var_name): Use opt_args and nth_arg.
9119         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
9120         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
9121         macros for the "Mask" and "InverseMask" options.
9122         * opts.h (cl_var_cond): New enum.
9123         (cl_option): Replace the "has_set_value" and "set_value" fields with
9124         "var_cond" and "var_value".
9125         (CL_TARGET): New macro.
9126         (option_enabled, print_filtered_help): Declare.
9127         (decode_options): Move definition.
9128         * opts.c (handle_option): Search for the original option before
9129         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
9130         var_cond and var_value fields.  Use targetm.handle_option to handle
9131         target options.
9132         (decode_options): Set target_flags to targetm.default_target_flags.
9133         (print_filtered_help): Make global.  Handle CL_TARGET.
9134         (option_enabled): New function.
9135         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
9136         (display_target_options, set_target_switch, print_switch_values)
9137         (default_pch_valid_p): Guard uses of target_switches with
9138         #ifdef TARGET_SWITCHES.  Also...
9139         (display_target_options): Display the CL_TARGET entries in cl_options.
9140         (set_target_option): Don't complain about the "" option when
9141         TARGET_SWITCHES is undefined.
9142         (print_switch_values): Use option_enabled.
9143         (default_pch_valid_p): Check cl_options[] when looking for something
9144         that has changed the value of target_flags.
9145         * c.opt: Remove documentation from top of file.
9146         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
9147         * doc/sourecebuild.texi: Refer to the new options documentation
9148         instead of c.opt.  Document machine-specific .opt files.
9149         * doc/tm.texi (target_flags): Say that this variable is declared
9150         by options.h.
9151         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
9152         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
9153         an alternative.
9154         * doc/options.texi: New file.
9155
9156 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
9157
9158         PR middle-end/18628
9159         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
9160         register.
9161
9162 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
9163
9164         PR c++/20280
9165         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
9166         temporary variable of pointer type if an lvalues is required.
9167         (gimplify_modify_expr_rhs): Request an rvalue from it.
9168         (gimplify_expr): Pass fallback on.
9169
9170 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
9171
9172         * cfgbuild.c: Update comments.
9173
9174 2005-03-14  Roger Sayle  <roger@eyesopen.com>
9175
9176         PR rtl-optimization/17236
9177         * optabs.c (expand_doubleword_mult): New helper function split out
9178         from expand_binop.  Permute the order in which instructions are
9179         emitted to minimize the number of simultaneously live registers.
9180         (expand_binop): Call expand_doubleword_mult to synthesize a double
9181         word multiplication.
9182
9183 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
9184
9185         * basic-block.h: Update the prototypes of cached_make_edge and
9186         rtl_make_eh_edge.
9187         * cfg.c (cached_make_edge): Take edge_cache representing one
9188         row of the adjacency matrix of edges.
9189         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
9190         (make_edges): Initialize edge_cache to represent one row of
9191         the adjacency matrix of edges.
9192
9193 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
9194
9195         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
9196         New functions.
9197         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
9198         Remove unused removed_phis variable.
9199         (conditional_replacement): Use build1/build2.
9200         (abs_replacement): Use last_and_only_stmt and build1/build2.
9201
9202 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
9203
9204         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
9205         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
9206         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
9207         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
9208         * c-common.c (handle_novops_attribute): New function.
9209         (c_common_attribute_table): Add "no vops" entry.
9210         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
9211         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
9212         * tree-ssa-operands.c (get_call_expr_operands): Do not
9213         create virtual operands for calls with ECF_NOVOPS flag.
9214         * tree.h (DECL_IS_NOVOPS): New macro.
9215         (struct tree_decl): Add novops_flag.
9216         (ECF_NOVOPS): New constant.
9217
9218 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
9219
9220         PR target/17688
9221         * config/i386/i386.c (x86_use_himode_fiop): New.
9222         (x86_use_simode_fiop): Rename from x86_use_fiop.
9223         * config/i386/i386.h (x86_use_himode_fiop): Declare.
9224         (TARGET_USE_HIMODE_FIOP): New.
9225         (x86_use_simode_fiop): Rename from x86_use_fiop.
9226         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
9227
9228         * config/i386/i386.md (X87MODEI12): New mode macro define.
9229         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
9230         to implement x87 FP compare with HImode input operands.
9231         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
9232         Use X87MODEI12 mode macro to handle HImode input operands.
9233         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
9234         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
9235         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
9236         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
9237         macro to implement x87 operators with HImode input operands.
9238         (fop splitters): Use X87MODEI12 mode macro to handle HImode
9239         input operands.
9240
9241 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
9242
9243         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
9244         integer_zerop.
9245         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
9246         constants invariant.
9247
9248 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
9249
9250         * basic-block.h (BB_VISITED): Removed.
9251         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
9252
9253 2005-03-14  Falk Hueffner  <falk@debian.org>
9254
9255         PR bootstrap/20424
9256         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
9257
9258 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
9259
9260         * ggc-zone.c: Fix comment typos.
9261
9262         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
9263         stringpool.c, config/mips/mips-protos.h: Update copyright.
9264
9265 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
9266
9267         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
9268         throughout with its typedef, "rtx".
9269         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
9270         (rs6000_tls_symbol_ref_1): Remove inline keyword.
9271         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
9272         regs in comment to match code.
9273
9274 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
9275
9276         * except.c (check_handled): Make it static.
9277         * except.h: Remove the corresponding prototype.
9278
9279         * function.c (get_func_frame_size): Make it static.
9280         * function.h: Remove the corresponding type.
9281
9282         * regclass.c (reg_class_superclasses, reg_class_subclasses):
9283         Make them static.
9284         * hard-reg-set.h: Remove the corresponding declarations.
9285
9286         * tree-cfg.c (verify_stmts): Check that
9287         bb_for_stmt (stmt) == bb for every PHI node and statement.
9288
9289 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
9290
9291         * config.gcc: Remove excess indentation.
9292         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
9293
9294 2005-03-13  Roger Sayle  <roger@eyesopen.com>
9295
9296         PR middle-end/19331
9297         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
9298         * fold-const.c (fold_sign_changed_comparison): Likewise.
9299         (fold_binary): Optimize comparisons against widened operands if
9300         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
9301
9302 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
9303
9304         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
9305         (sparc_override_options): Initialize it.
9306         (sparc_struct_value_rtx): Set it on the MEM to be returned.
9307
9308 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
9309
9310         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
9311         (reg_or_none500mem_operand): New predicate.
9312         (zero_reg_mem_operand): New predicate.
9313         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
9314         to reg_or_none500mem_operand.
9315         (extendsfdf2_fpr): Add MEM alternative.
9316         (extenddftf2_internal): Change operand2 predicate to
9317         zero_reg_mem_operand.
9318
9319 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
9320
9321         * ggc-zone.c: Rewritten.
9322
9323         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
9324         if there are none.
9325         * configure.ac: Define GGC_ZONE for --with-gc=zone.
9326         * config.in: Regenerated.
9327         * configure: Regenerated.
9328         * gengtype.c (write_types_process_field, write_func_for_structure):
9329         Pass new argument to gt_pch_note_object.
9330         * ggc-common.c (struct ptr_data): Add TYPE.
9331         (gt_pch_note_object): Take TYPE argument and save it.
9332         (call_count): Update call to ggc_pch_count_object.
9333         (call_alloc): Update call to ggc_pch_alloc_object.
9334         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
9335         file.
9336         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
9337         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
9338         (ggc_alloc_zone_stat): Delete.
9339         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
9340         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
9341         (ggc_pch_alloc_object): Update prototypes.
9342         (garbage_zone): Delete.
9343         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
9344         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
9345         pointers.
9346         (tree_id_zone): New variable.
9347         (ggc_alloc_cleared_zone): Remove unused.
9348         (ggc_alloc_zone): Define.
9349         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
9350         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
9351         ggc_alloc_zone_stat.
9352         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
9353         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
9354         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
9355         (make_node_stat): Likewise.  Use tree_id_zone.
9356
9357 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
9358             Joseph S. Myers  <joseph@codesourcery.com>
9359
9360         * configure.ac: Check for MIPS TLS.
9361         * configure: Regenerated.
9362         * config/mips/mips-protos.h (enum mips_symbol_type): Add
9363         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
9364         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
9365         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
9366         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
9367         (mips_classify_symbol, mips_symbolic_constant_p)
9368         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
9369         (mips_tls_operand_p, mips_call_tls_get_addr)
9370         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
9371         (mips_tls_symbol_ref_1): New functions.
9372         (mips_legitimize_address, mips_legitimize_const_move): Call
9373         mips_legitimize_tls_address.
9374         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
9375         for MIPS16.
9376         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
9377         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
9378         (mips_char_to_class): Document V1_REG.
9379         (HAVE_AS_TLS): Provide default.
9380         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
9381         constants.
9382         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
9383         !TARGET_ABICALLS.
9384         (tls_get_tp_<mode>): New instruction.
9385
9386 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
9387
9388         * configure.ac: Update checks for target tools.
9389         * configure: Regenerated.
9390
9391 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
9392
9393         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
9394
9395 2005-03-13  Roger Sayle  <roger@eyesopen.com>
9396
9397         * expmed.c (expand_mult): Use synthetic multiplication sequences for
9398         more classes of DImode multiplication by constant.  Allow both
9399         multiplication by small negative constants (by performing a
9400         multiplication by a positive constant and negating the result) and
9401         multiplications by large powers of two, by using a left shift.
9402
9403 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
9404
9405         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
9406         of basic blocks into work_stack.
9407
9408         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
9409         config/mips/vr.h: Update copyright.
9410
9411         * c-decl.c (c_init_decl_processing): Remove useless calls to
9412         build_function_type.
9413
9414         * builtins.c (fold_trunc_transparent_mathfn,
9415         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
9416         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
9417         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
9418         fold_builtin_strcpy, fold_builtin_strncpy,
9419         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
9420         TREE_TYPE (exp).
9421
9422         * builtins.c (expand_builtin_mathfn_3): Remove local variable
9423         before_call.
9424
9425         * lambda-code.c (lambda_compute_auxillary_space): Remove local
9426         variable determinant.
9427
9428         * tree-cfg.c (group_case_labels): Remove local variable type.
9429
9430         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
9431         variable ann.
9432
9433         * tree-ssa-phiopt.c (value_replacement): Remove local variable
9434         result.
9435
9436 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
9437
9438         PR target/18251
9439         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
9440         (*movmemqi_insn): Delete.
9441         (*movmemhi): Delete.
9442
9443 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
9444
9445         * builtins.c (fold_builtin_classify): Take decomposed
9446         arguments of CALL_EXPR.
9447         (fold_builtin_1): Update a call to fold_builtin_classify.
9448
9449 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
9450
9451         PR c/20402
9452         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
9453         through into call to parser_xref_tag after parse error.
9454         (c_parser_struct_declaration): Consistently return NULL_TREE on
9455         error.
9456
9457 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
9458
9459         * tree-flow-inline.h (ref_contains_array_ref): New function.
9460         (lookup_subvars_for_var): Ditto.
9461         (get_subvars_for_var): Ditto.
9462         (var_can_have_subvars): Ditto.
9463
9464         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
9465         (struct subvar): New type.
9466
9467         * tree-dfa.c (okay_component_ref_for_subvars): New function.
9468
9469         * tree-optimize.c (init_tree_optimization_passes): Call
9470         pass_create_structure_vars.
9471
9472         * tree-ssa-alias.c: Include vec.h.
9473         (init_alias_info): Don't auto-clear call clobbered on struct-field
9474         tags.
9475         (compute_flow_insensitive_aliasing): Handle subvars.
9476         (group_aliases): Handle STRUCT_FIELD aliases.
9477         (setup_pointers_and_addressables): Ditto.
9478         Don't mark variables non-addressable if they still have
9479         addressable subvars.
9480         Also mark subvars addressable when the real variable is marked
9481         addressable.
9482         (add_pointed_to_var): Try to prune the pointed-to set by only
9483         pointing to subvars when possible.
9484         Otherwise, make sure we set addresses_needed and pt_vars to
9485         properly include subvars.
9486         (bitpos_of_field): New function.
9487         (push_fields_onto_fieldstack): Ditto.
9488         (get_or_create_used_part_for): Ditto.
9489         (create_overlap_variables_for): Ditto.
9490         (find_used_portions): Ditto.
9491         (create_structure_vars): Ditto.
9492         (pass_create_structure_vars): New structure.
9493
9494         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
9495         (get_expr_operands): Handle subvars.  Also try to turn
9496         COMPONENT_REF accesses into must-defs now that we can accurately
9497         portray it.
9498         (note_addressable): Try to only mark as addressable those subvars
9499         we know a COMPONENT_REF touches.
9500         (overlap_subvar): New function.
9501
9502         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
9503         Handle subvar storing.
9504         (vect_address_analysis): Update caller of vect_object_analysis.
9505
9506         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
9507
9508         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
9509         (STMT_VINFO_SUBVARS): New macro.
9510
9511         * common.opts: add flag_tree_salias.
9512
9513         * opts.c (decode_options): flag_tree_salias defaults to on.
9514
9515         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
9516
9517         * doc/tree-ssa.texi: Document structural alias analysis.
9518
9519 2005-03-12  Steven Bosscher  <stevenb@suse.de>
9520
9521         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
9522         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
9523         * tree-ssa-operands.c (get_expr_operands): Likewise.
9524         (get_expr_operands): Likewise for ERROR_MARK.
9525
9526 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
9527
9528         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
9529         var.
9530
9531         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
9532         removed_phis.
9533
9534         * tree-ssa-pre.c (compute_avail): Remove local variable val.
9535         (mark_operand_necessary): Remove local variable ver.
9536
9537         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
9538         variable prefix_len.
9539
9540         * value-prof.c (mod_subtract_transform): Remove local variable
9541         value.
9542
9543         * builtins.c (fold_builtin_exponent): Take decomposed
9544         arguments of CALL_EXPR.
9545         (fold_builtin_1): Update a call to fold_builtin_exponent.
9546
9547         * builtins.c (fold_builtin_logarithm): Take decomposed
9548         arguments of CALL_EXPR.
9549         (fold_builtin_1): Update a call to fold_builtin_logarithm.
9550
9551         * c-decl.c (c_init_decl_processing): Remove local variables
9552         ptr_ftype_void and ptr_ftype_ptr.
9553
9554         * gimplify.c (gimplify_expr): Remove local variables r0 and
9555         r1.
9556
9557         * reg-stack.c (move_for_stack_reg): Remove local variable
9558         push_insn.
9559         (compare_for_stack_reg): Remove local variable flags_user.
9560         (convert_regs_1): Remove local variable deleted.
9561
9562         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
9563         variable new_cond.
9564         (combine_blocks): Remove local variables exits and new_e.
9565
9566         * tree-inline.c (expand_call_inline): Remove local variable
9567         decl.
9568
9569         * tree-ssa-live.c (create_ssa_var_map,
9570         calculate_live_on_entry): Remove local variable snn.
9571
9572 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
9573
9574         * c-lex.c (c_lex_with_flags): Add parameter to call to
9575         cpp_spell_token.
9576
9577 2005-03-11  Per Bothner  <per@bothner.com>
9578
9579         * c-tree.h (struct c_declarator): New id_loc field.
9580         * c-pragma.h (c_lex_with_flags): Take position reference.
9581         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
9582         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
9583         (c_lex): Pass dummy location to c_lex_with_flags.
9584         * c-parser.c (c_lex_one_token): Set c_token's location using
9585         c_lex_with_flags, instead of input_location, which might be "ahead".
9586         (c_parser_direct_declarator): Set declarator's id_loc from
9587         c_token's id_loc.
9588         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
9589         declarator's id_loc, rather than probably-imprecise input_location.
9590         (build_id_declarator): Initialize c_declarator's id_loc field.
9591
9592 2005-03-11  Roger Sayle  <roger@eyesopen.com>
9593
9594         PR middle-end/20419
9595         * builtins.c (expand_builtin_signbit): Force the signbit's word
9596         into an integer register to avoid SUBREGs of floating point modes.
9597
9598 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
9599
9600         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
9601         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
9602         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
9603         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
9604
9605 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
9606
9607         PR rtl-optimization/20306
9608         * expr.c (emit_move_complex): Set try_int false if mode is
9609         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
9610         emit_block_move if try_int is true.
9611
9612 2005-03-11  Richard Henderson  <rth@redhat.com>
9613
9614         PR target/20415
9615         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
9616         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
9617         to match.
9618
9619 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
9620
9621         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
9622         (TARGET_FIX_VR4130): New macro.
9623         (TARGET_OPTIONS): Add -mfix-vr4130.
9624         (ISA_HAS_MACCHI): New macro.
9625         (ASM_SPEC): Add -mfix-vr4130.
9626         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
9627         (override_options): Handle mips_fix_vr4130_string.
9628         (mips_avoid_hazards): Clear all_noreorder_p
9629         if we're working around VR4130 errata and the macc alternatives
9630         are not available.
9631         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
9632         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
9633         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
9634         (MULTILIB_DEFAULTS): Remove leading "march=".
9635         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
9636         if no architecture option is given.
9637         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
9638         VR4130 multilibs.
9639         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
9640         * doc/invoke.texi: Document -mfix-vr4130.
9641
9642 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
9643
9644         * config/mips/mips.c (override_options): Only warn about -mint64
9645         deprecation if TARGET_INT64.
9646
9647 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9648
9649         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
9650         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
9651         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
9652         are non-specific regarding the nonnull parameter positions.
9653         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
9654         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
9655         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
9656         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
9657
9658         * builtins.def: Use the non-specific "nonnull" attibute lists.
9659
9660 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
9661
9662         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
9663         single_pred_edge, single_succ, single_pred): Improve comments.
9664
9665 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
9666
9667         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
9668         single_pred_edge, single_succ, single_pred): New inline functions.
9669         * bb-reorder.c (rotate_loop, find_traces_1_round,
9670         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
9671         duplicate_computed_gotos): Use the single_succ/pred functions.
9672         * cfganal.c (forwarder_block_p): Ditto.
9673         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
9674         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
9675         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
9676         merge_seq_blocks): Ditto.
9677         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
9678         * cfglayout.c (fixup_reorder_chain): Ditto.
9679         * cfgloop.c (mark_single_exit_loops, update_latch_info,
9680         canonicalize_loop_headers, verify_loop_structure): Ditto.
9681         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
9682         mfb_update_loops, create_preheader, force_single_succ_latches,
9683         create_loop_notes): Ditto.
9684         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
9685         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
9686         commit_one_edge_insertion, purge_dead_edges,
9687         cfg_layout_can_merge_blocks_p): Ditto.
9688         * except.c (sjlj_emit_function_enter): Ditto.
9689         * flow.c (init_propagate_block_info): Ditto.
9690         * function.c (thread_prologue_and_epilogue_insns): Ditto.
9691         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
9692         insert_insn_end_bb): Ditto.
9693         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
9694         find_if_case_2): Ditto.
9695         * lambda-code.c (perfect_nestify): Ditto.
9696         * lcm.c (optimize_mode_switching): Ditto.
9697         * loop-doloop.c (doloop_modify): Ditto.
9698         * loop-init.c (loop_optimizer_init): Ditto.
9699         * loop-iv.c (simplify_using_initial_values): Ditto.
9700         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
9701         * loop-unswitch.c (unswitch_loop): Ditto.
9702         * modulo-sched.c (generate_prolog_epilog): Ditto.
9703         * predict.c (combine_predictions_for_insn, estimate_probability,
9704         tree_estimate_probability, last_basic_block_p,
9705         estimate_bb_frequencies): Ditto.
9706         * profile.c (branch_prob): Ditto.
9707         * regrename.c (copyprop_hardreg_forward): Ditto.
9708         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
9709         * tracer.c (layout_superblocks): Ditto.
9710         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
9711         cfg_remove_useless_stmts_bb, cleanup_control_flow,
9712         cleanup_control_expr_graph, disband_implicit_edges,
9713         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
9714         tree_verify_flow_info, tree_make_forwarder_block,
9715         tree_forwarder_block_p, remove_forwarder_block,
9716         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
9717         * tree-if-conv.c (tree_if_conversion): Ditto.
9718         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
9719         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
9720         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
9721         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
9722         copy_loop_headers): Ditto.
9723         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
9724         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
9725         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
9726         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
9727         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
9728         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
9729         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
9730         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
9731         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
9732         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
9733         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
9734         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
9735         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
9736         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
9737         slpeel_add_loop_guard): Ditto.
9738
9739 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
9740
9741         PR tree-optimization/15784
9742         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
9743         and -1 - A to ~A.
9744
9745         * stmt.c (expand_case): Don't change index_type.  Convert minval
9746         to the proper type.
9747
9748         PR tree-optimization/20130
9749         * fold-const.c (fold): Fold x * -1 into -x.
9750
9751 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
9752
9753         PR rtl-optimization/20331
9754         * rtlanal.c (modified_between_p): Check its address first for MEM.
9755         (modified_in_p): Likewise.
9756
9757 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
9758
9759         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
9760
9761 2005-03-10  Steven Bosscher  <stevenb@suse.de>
9762
9763         * expr.c (expand_expr_real_1): If possible, use a conditional
9764         move for expanding MIN_EXPR and MAX_EXPR.
9765         Use temp for moving around rtx-en.
9766
9767 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
9768
9769         PR rtl-opt/20412
9770         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
9771         correct mode.
9772
9773 2005-03-10  Roger Sayle  <roger@eyesopen.com>
9774
9775         * builtins.c (expand_builtin_signbit): Extend to handle floating
9776         point modes wider than the largest integer type, using the
9777         operand_subword_force function to obtain the signbit's word.
9778
9779 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
9780
9781         PR target/20322
9782         * combine.c (try_combine): If recog_for_combine added CLOBBERs
9783         to NEWI2PAT, fail to combine if they are used by NEWPAT.
9784
9785 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
9786
9787         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
9788
9789 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
9790
9791         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
9792         type void.
9793         (perform_edge_inserts): Unconditionally call
9794         free_dominator_info.
9795
9796         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
9797
9798 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
9799
9800         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
9801
9802 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
9803
9804         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
9805
9806         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
9807         gcc_unreachable.
9808         (rtl_register_value_prof_hooks,
9809         tree_value_profile_transformations,
9810         tree_register_value_prof_hooks): Likewise.
9811         * var-tracking.c (stack_adjust_offset_pre_post,
9812         variable_htab_free, variable_union, dataflow_set_different_2,
9813         count_uses, variable_was_changed, set_frame_base_location,
9814         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
9815         vt_add_function_parameters): Likewise.
9816         * varasm.c (named_section_real, named_section, make_decl_rtl,
9817         asm_emit_uninitialised, assemble_integer, decode_addr_const,
9818         const_hash_1, compare_constant, copy_constant, force_const_mem,
9819         output_constant_pool_2, output_constant_pool_1, output_constant,
9820         output_constructor, make_decl_one_only, decl_tls_model,
9821         default_no_named_section, default_elf_select_section_1,
9822         default_unique_section_1): Likewise.
9823         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
9824         * vmsdbgout.c (addr_const_to_string): Likewise.
9825
9826         PR c++/20375
9827         * function.c (struct assign_parm_data_one): Remove last_named
9828         field.
9829         (assign_parm_find_data_types): Don't determine last_named.
9830         Reorder named_parm determination.
9831         (assign_parms): Only setup varargs on the last non-varadic
9832         parameter.
9833
9834 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
9835
9836         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
9837         sda base address on medium model.
9838
9839 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
9840
9841         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
9842         * cfgloop.c (flow_loop_nodes_find): Export.
9843         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
9844         Declare.
9845         * cfgloopmanip.c (fix_loop_structure): New function.
9846         * predict.c (predict_loops): Clean up the loops information.
9847         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
9848         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
9849         loop structure.
9850         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
9851         (rewrite_into_loop_closed_ssa): Declaration changed.
9852         * tree-loop-linear.c (linear_transform_loops): Add argument to
9853         rewrite_into_loop_closed_ssa call.
9854         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9855         * tree-ssa-loop-im.c (move_computations): Ditto.
9856         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9857         * tree-vectorizer.c (vectorize_loops): Ditto.
9858         * tree-optimize.c: Include cfgloop.h.
9859         (execute_todo): Choose whether to call cleanup_tree_cfg or
9860         cleanup_tree_cfg_loop.
9861         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
9862         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
9863         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
9864         cleanup_tree_cfg_loop call.
9865         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
9866         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
9867         work on part of cfg.
9868
9869 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
9870
9871         PR inline-asm/20314
9872         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
9873         with multiple alternatives.
9874
9875         * stmt.c (parse_output_constraint): Fix a typo.
9876
9877 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
9878
9879         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
9880         assembly directive instead of deprecated "no-generics".
9881
9882 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
9883
9884         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
9885         for non-offsettable memory references to cope with outstanding reload
9886         replacements.
9887         * config/s390/s390.md ("reload_outti"): Call find_replacement to
9888         avoid losing outstanding address reloads.
9889         ("reload_outdi", "reload_outdf"): Likewise.
9890
9891 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9892
9893         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
9894         code.  Add more cbrt transformations.
9895
9896 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9897
9898         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
9899
9900 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
9901
9902         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
9903         NULL_TREE when a given tree is not simplified.
9904         (fold): Return the original tree when any of the functions
9905         mentioned above NULL_TREE.
9906
9907         * fold-const.c (fold_unary, fold_binary): Take decomposed
9908         arguments, code, type, op0, and op1 in case of fold_binary.
9909         (fold): Update calls to fold_unary and fold_binary.
9910
9911 2005-03-09  Roger Sayle  <roger@eyesopen.com>
9912
9913         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
9914         a fndecl and an arglist instead of a CALL_EXPR, exp.
9915
9916 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
9917
9918         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
9919
9920         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
9921
9922         * expr.c (expand_assignment): Remove orig_to_rtx.
9923
9924         * fold-const.c (int_const_binop): Remove no_overflow.
9925
9926         * ifcvt.c (noce_emit_move_insn): Remove inmode.
9927
9928         * loop-iv.c (get_biv_step_1): Remove lhs.
9929
9930         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
9931
9932         * real.c (real_nan): Remove neg.
9933
9934         * function.c (thread_prologue_and_epilogue_insns): Remove i
9935         and newinsn.
9936
9937         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
9938         tb.
9939
9940         * tree-eh.c (tree_could_trap_p): Remove idx.
9941
9942         * tree-into-ssa.c (ann): Remove ann.
9943
9944         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
9945
9946         * tree-sra.c (decide_block_copy): Remove inst_count.
9947
9948         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
9949
9950         * tree-ssa-loop-im.c (lhs): Remove.
9951
9952         * cfgbuild.c (state, STATE, SET_STATE,
9953         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
9954         make_edges.
9955         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
9956         (find_basic_blocks): Set the state of each basic block to
9957         BLOCK_NEW.
9958
9959 2005-03-08  Jeff Law  <law@redhat.com>
9960
9961         * tree-cfg.c (cleanup_control_flow): If removal of a computed
9962         goto results in the removal of edges in the CFG, then we need
9963         to recompute dominators.
9964
9965 2005-03-09  Ben Elliston  <bje@au.ibm.com>
9966
9967         * c-common.c (c_do_switch_warnings): Comment fix.
9968
9969 2005-03-08  Julian Brown  <julian@codesourcery.com>
9970
9971         * Patch from 2005-03-08 reverted for causing regressions and
9972         ppc-darwin bootstrap failure.
9973
9974 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
9975
9976         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
9977         Define the real function for ppc-darwin.
9978         * c-typeck.c (convert_arguments): Check for target-specific
9979         invalid argument call to unprototyped function.
9980         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
9981         New Macro.
9982         * target.h (invalid_arg_for_unprototyped_fn): New field
9983         in struct calls.
9984         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
9985         default target hook.
9986         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
9987         Declare.
9988
9989 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
9990
9991         * c-typeck.c (constructor_stack, constructor_range_stack,
9992         initializer_stack): Make them static.
9993
9994         * cfg.c (rbi_pool): Make it static.
9995
9996         * gimple-low.c (lower_stmt_body): Make it static.
9997         * tree-flow.h: Remove the corresponding prototype.  Don't
9998         declare lower_data.
9999
10000         * sched-deps.c (cache_size): Make it static.
10001
10002         * stor-layout.c (lang_adjust_rli): Make it static.
10003
10004 2005-03-08  Julian Brown  <julian@codesourcery.com>
10005
10006         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
10007         from being used for symbols with vague linkage when
10008         HAVE_GAS_COMDAT_GROUP is true.
10009
10010 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
10011
10012         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
10013         nlabel == JUMP_LABEL (jump).
10014
10015 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
10016
10017         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
10018         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
10019         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
10020         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
10021
10022 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
10023
10024         PR c/14411
10025         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
10026         * c-common.c (handle_returns_twice): New function.
10027         (c_common_attribute_table): Declare eturns_twice' attribute.
10028         * doc/extend.texi: Document eturns_twice' attribute.
10029         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
10030         (struct tree_decl): Add returns_twice_flag.
10031
10032 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
10033
10034         * tree-ssa-phiopt.c: Fix a comment typo.
10035
10036         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
10037         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
10038         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
10039         copyright.
10040
10041 2005-03-08  Richard Henderson  <rth@redhat.com>
10042
10043         * config/alpha/alpha.c (code_for_builtin): Replace special-case
10044         builtin codes with ctzdi2, clzdi2, popcountdi2.
10045         (struct alpha_builtin_def): Add is_const.
10046         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
10047         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
10048         (alpha_init_builtins): Init them.  Set nothrow and const attributes
10049         on builtins.
10050         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
10051         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
10052         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
10053         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
10054         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
10055         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
10056         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
10057         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
10058         (TARGET_FOLD_BUILTIN): New.
10059         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
10060         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
10061         (ffsdi2): Use ctz.
10062         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
10063
10064 2005-03-08  Ira Rosen  <irar@il.ibm.com>
10065
10066         PR tree-optimization/20122
10067         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
10068         condition of access function instead of base.
10069
10070 2005-03-07  Jeff Law  <law@redhat.com>
10071             Steven Bosscher  <stevenb@suse.de>
10072
10073         * tree-cfg.c (find_taken_edge_computed_goto): New function.
10074         (find_taken_edge): Call find_taken_edge_computed_goto as
10075         appropriate.  Allow any gimple invariant rather than just
10076         INTEGER_CST for VAL.
10077         (cleanup_control_flow): Cleanup a computed goto which has turned
10078         into a simple goto.
10079         (tree_merge_blocks): If block B has any forced labels, move
10080         them to the start of block A.
10081         * tree-ssa-dom.c (thread_across_edge): Allow threading across
10082         computed gotos as well.
10083         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
10084         removal of unnecessary computed gotos too.
10085         (lookup_redirection_data): Fix type of INSERT argument.  Callers
10086         updated.
10087
10088 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
10089
10090         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
10091         Remove trailing spaces.
10092
10093         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
10094         unshare_all_trees): Make them static.
10095         * tree-gimple.h: Remove the corresponding prototypes.
10096
10097         * diagnostic.h: Remove unused prototype
10098         debug_output_buffer.
10099         * modulo-sched.c: Remove unused prototype
10100         set_row_column_for_ps.
10101
10102         * tree-ssa-phiopt.c (tree_ssa_phiopt,
10103         replace_phi_edge_with_variable): Remove unused variable i.
10104
10105 2005-03-07  Per Bothner  <per@bothner.com>
10106
10107         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
10108
10109 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
10110
10111         PR tree-opt/17671
10112         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
10113         bbs on the COND_EXPR instead of the PHI_NODEs.
10114         (candidate_bb_for_phi_optimization): Remove.
10115         (replace_phi_with_stmt): Rename to ...
10116         (replace_phi_edge_with_variable): this and change so that we
10117         replace the phi argument instead of removing the PHI.
10118         (conditional_replacement): Change so we deal with PHI with more
10119         than two arguments.
10120         (value_replacement): Likewise.
10121         (abs_replacement): Likewise.
10122
10123 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
10124
10125         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
10126         output_e500_flip_gt_bit.
10127
10128         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
10129         as bit 31.
10130         (rs6000_generate_compare): Fix logic to look at the correct bits.
10131         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
10132         Look at GT bit.
10133         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
10134         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
10135         gen_move_from_CR_gt_bit.
10136
10137         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
10138         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
10139         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
10140
10141         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
10142         (E500_CR_IOR_COMPARE): New constant.
10143
10144 2005-03-08  Earl Chew <earl_chew@agilent.com>
10145             David Billinghurst <David.Billinghurst@riotinto.com>
10146
10147         * config/i386/host-cygwin.c: New file to support precompiled
10148         headers on cygwin
10149         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
10150         * config.host: Use above files for cygwin host.
10151
10152 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
10153
10154         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
10155         ordering ops from earlier change.
10156
10157 2005-03-07  Per Bothner  <per@bothner.com>
10158
10159         Various fixes to allow us to again build if --enable-mapped-location:
10160         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
10161         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
10162         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
10163         local variable loc. Change logic appropriately.
10164         * tree-vect-transform.c (vect_finish_stmt_generation): Use
10165         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
10166         * c-parser.c (c_parser_for_statement): Initialize loc variable.
10167         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
10168         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
10169
10170 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
10171
10172         PR rtl-optimization/19683
10173         * reload1.c (choose_reload_regs): Pass the number of bits, not the
10174         number of bytes, to smallest_int_for_mode.  Fix arguments to
10175         REG_CANNOT_CHANGE_MODE_P.
10176
10177 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
10178
10179         * reorg.c (relax_delay_slots): Check that the jump is
10180         conditional before trying to invert it.
10181
10182 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
10183
10184         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
10185         Make them static.
10186
10187         * calls (stack_arg_under_construction): Make it static.
10188
10189         * flow.c (regs_live_at_setjmp): Make it static.
10190         * flow.h: Remove the corresponding prototype.
10191
10192         * reload1.c (reload_startobj, reload_firstobj,
10193         something_needs_operands_changed, reload_inherited,
10194         reload_inheritance_insn, reload_override_in,
10195         reload_spill_index): Make them static.
10196
10197         * recog.c (verify_changes): Make it static.
10198         * recog.h: Remove the corresponding prototype.
10199
10200         * cfgbuild.c (find_sub_basic_blocks): Remove.
10201         * basic-block.h: Remove the corresponding prototype.
10202         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
10203         in comments.
10204         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
10205
10206         * tree-ssa-operands.c (check_build_stmt): Remove.
10207
10208         * stor-layout.c (set_alignment): Remove.
10209         * tree.h: Remove the corresponding prototype.
10210
10211         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
10212
10213         * tree-ssa-dce.c (control_dependence_map,
10214         visited_control_parents): Make them static.
10215
10216         * cfghooks.c (verify_flow_info): Remove local variable
10217         num_bb_notes.
10218
10219         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
10220         last_bb_seen.
10221
10222         * loop-unswitch.c (unswitch_loop): Remove local variable src.
10223
10224 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
10225
10226         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
10227
10228 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
10229
10230         * config/ia64/hpux.h (LINK_SPEC): Add -z.
10231         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
10232         PARALLEL for an empty structure.
10233
10234 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
10235
10236         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
10237
10238         * fold-const.c (fold_binary): Unroll the very first "for"
10239         loop.
10240
10241 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
10242
10243         * config/rs6000/predicates.md (branch_comparison_operator): Remove
10244         redundant match_code test.
10245         (scc_comparison_operator): Swap match_operand and match_code
10246         tests.
10247         (branch_positive_comparison_operator): Same.
10248         (trap_comparison_operator): Use comparison_operator and swap with
10249         match_code test.
10250
10251 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
10252
10253         PR target/20288
10254         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
10255         (out_movhi_r_mr): Read low byte of volatile MEM first.
10256         (out_movhi_mr_r): Write high byte of volatile MEM first.
10257
10258 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
10259
10260         * cselib.c (reg_values, reg_values_size): Make them static.
10261
10262         * cse.c (cse_reg_info_table): Make it static.
10263
10264         * fold-const.c (fold_unary): Use build1 instead of copy_node.
10265
10266 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
10267
10268         * cse.c (find_best_addr): Use canon_for_address.
10269
10270 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
10271
10272         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
10273         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
10274         SUBREG and MEM, respectively.
10275
10276         * fold-const.c (fold_binary): Use code instead of t.
10277
10278         * fold-const.c (optimize_minmax_comparison): Take decomposed
10279         arguments code, type, op0, and op1 instead of t.
10280         (fold_binary): Update a call to optimize_minmax_comparison.
10281
10282         * fold-const.c (fold_range_test): Take decomposed arguments
10283         code, type, op0, and op1 instead of t.
10284         (fold_binary): Update a call to fold_range_test.
10285
10286         * fold-const.c (fold_binary_op_with_conditional_arg): Take
10287         decomposed arguments code, type, op0, and op1 instead of t.
10288         (fold_binary): Update a call to fold_range_test.
10289
10290 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
10291
10292         * fold-const.c (fold_binary): Avoid directly using the original
10293         expression t as much as possible.
10294
10295 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
10296
10297         * c-semantics.c (build_stmt): Use TYPE_P instead of
10298         IS_NON_TYPE_CODE_CLASS.
10299         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
10300         (NON_TYPE_CHECK): Use TYPE_P instead of
10301         IS_NON_TYPE_CODE_CLASS.
10302
10303         * fold-const.c (fold): Remove handling of binary expressions.
10304
10305 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
10306
10307         * doc/c-tree.texi: Wrap comments in @r{}.
10308         * doc/cpp.texi: Likewise.
10309         * doc/cppinternals.texi: Likewise.
10310         * doc/extend.texi: Likewise.
10311         * doc/md.texi: Likewise.
10312         * doc/objc.texi: Likewise.
10313         * doc/sourcebuild.texi: Likewise.
10314         * doc/tm.texi: Likewise.
10315         * doc/tree-ssa.texi
10316
10317 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
10318
10319         * predict.c (apply_return_prediction): Standardize PHI chain
10320         walking.
10321         * tree-ssa.c (ssa_redirect_edge): Likewise.
10322
10323         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
10324         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
10325         Update copyright.
10326
10327         * tree-phinodes.c (remove_phi_node): Drop the last argument.
10328         * tree-flow.h: Adjust the prototype for remove_phi_node.
10329         * lambda-code.c (perfect_nestify): Adjust a call to
10330         remove_phi_node.
10331         * tree-cfg.c
10332         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
10333         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
10334         Likewise.
10335         * tree-ssa-dce.c (remove_dead_phis): Likewise.
10336         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
10337         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
10338         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
10339
10340         * combine.c (simplify_and_const_int): Use gen_int_mode instead
10341         of GEN_INT (trunc_int_for_mode (...)).
10342         * loop-iv.c (iv_number_of_iterations): Likewise.
10343         * postreload.c (reload_cse_move2add): Likewise.
10344         * simplify-rtx.c (simplify_const_unary_operation,
10345         simplify_const_binary_operation): Likewise.
10346         * stor-layout.c (get_mode_bounds): Likewise.
10347
10348         * fold-const.c (fold_binary): New.
10349         (fold): Call fold_binary on binary expressions.
10350
10351 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
10352
10353         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
10354         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
10355         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
10356         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
10357         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
10358
10359 2005-03-04  Devang Patel  <dpatel@apple.com>
10360
10361         PR tree-optimization/18815
10362         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
10363         loops with zero exit edges.
10364
10365 2005-03-04  Devang Patel  <dpatel@apple.com>
10366
10367         * doc/invoke.texi: Remove reference to webpage that does not exist.
10368
10369 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
10370             Joseph S. Myers  <joseph@codesourcery.com>
10371
10372         PR c++/19797
10373         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
10374         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
10375         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
10376         * pa.c (get_plabel): Change argument to symbol_ref.  Call
10377         maybe_get_identifier instead of get_identifier.
10378         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
10379         (struct deferred_plabel): Replace name field with symbol field.
10380         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
10381         ASM_OUTPUT_EXTERNAL_REAL is defined.
10382         (output_global_address): Use output_addr_const for output of all
10383         symbol_refs.
10384         (output_deferred_plabels): Use symbol_ref instead of name for address
10385         output.
10386         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
10387         ASM_OUTPUT_SYMBOL_REF): New macros.
10388         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
10389         comment.
10390         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
10391         label.
10392
10393 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
10394
10395         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
10396         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
10397
10398 2005-03-04  Jeff Law  <law@redhat.com>
10399
10400         * basic-block.h (rediscover_loops_after_threading): Declare.
10401         * tree-ssa-dom.c: Include cfgloop.h.
10402         (tree_ssa_dominator_optimize): Discover loops and some basic
10403         properties.  Remove forwarder blocks recreated by loop header
10404         canonicalization.  Also mark backedges in the CFG.
10405         * tree-ssa-threadupdate.c: Include cfgloop.h
10406         (rediscover_loops_after_threading): Define.
10407         (struct local_info): New field, JUMP_THREADED.
10408         (prune_undesirable_thread_requests): New function.
10409         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
10410         then record that fact for the callers of redirct_edges.
10411         (thread_block): If BB has incoming backedges, then call
10412         prune_undesirable_thraed_requests.    Note when we are
10413         going to have to rediscover loop information.  Return a
10414         boolean indicating if any jumps were threaded.
10415         (thread_through_all_blocks): Bubble up boolean indicating
10416         if any jumps were threaded.
10417         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
10418         (tree-ssa-threadupdate.o): Similarly.
10419
10420 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
10421
10422         * fold-const.c (fold_ternary): Unroll the "for" loop to
10423         extract operands.
10424
10425 2005-03-04  Andrew Haley  <aph@redhat.com>
10426
10427         * unwind-dw2-fde-glibc.c (struct
10428         unw_eh_callback_data.check_cache): New field.
10429         (frame_hdr_cache): New.
10430         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
10431         Cache frame header info.
10432
10433 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
10434
10435         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
10436         (print_c_condition): Declare.
10437         * read-rtl.c (ptr_loc): New structure.
10438         (ptr_locs, ptr_loc_obstack, joined_conditions)
10439         (joined_conditions_obstack): New variables.
10440         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
10441         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
10442         (join_c_conditions, print_c_condition): New functions.
10443         (apply_macro_to_string): Associate the new string with the same
10444         source location as the old one.
10445         (add_condition_to_string): Use join_c_conditions.
10446         (read_string): Use set_rtx_ptr_loc to record a filename and line
10447         number for the string.
10448         (read_rtx): Initialize the new variables above.
10449         * genattrtab.c (write_test_expr, write_attr_value): Use
10450         print_c_condition.
10451         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
10452         comment above the GCC_VERSION check.
10453         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
10454         Inline the definition of MAYBE_EVAL.
10455         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
10456         * genoutput.c (process_template): Likewise.
10457         * genpreds.c (write_predicate_subfunction): Likewise.
10458         (write_predicate_expr): Use print_c_condition.
10459         * genrecog.c (write_cond): Likewise.
10460         * gensupport.c (process_rtx): Use join_c_conditions to join the
10461         conditions of a define_insn_and_split.  Record a source location
10462         for the string after the "&&".
10463         (alter_test_for_insn): Use join_c_conditions.
10464
10465 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
10466
10467         Revert for now:
10468         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
10469         PR tree-optimization/15784
10470         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
10471         and -1 - A to ~A.
10472
10473 2005-03-04  Ben Elliston  <bje@au.ibm.com>
10474
10475         * gcc.c (option_map): Add --coverage.
10476         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
10477         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
10478         * config/darwin.h: Pass -lgcov for `coverage'.
10479         * doc/invoke.texi (Debugging Options): Document --coverage.
10480
10481 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
10482
10483         * gcse.c (bypass_block): Use find_edge wherever possible.
10484
10485 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
10486
10487         Fix PR debug/20253
10488
10489         * c-opts.c (c_common_parse_file): Call start_source_file
10490         and end_source_file at the approriate times.
10491
10492         * dwarf2out.c (dwarf2out_finish): Don't auto-end
10493         the main file, it will be done for us now.
10494
10495 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
10496
10497         * fold-const.c (fold_ternary): New.
10498         (fold): Call fold_ternary on ternary expressions.  Remove
10499         handling of ternary expressions.
10500
10501 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
10502
10503         PR tree-optimization/15784
10504         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
10505         and -1 - A to ~A.
10506
10507 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
10508
10509         * config/rs6000/predicates.md (branch_comparison_operator):
10510         Convert from C block to conditional format.
10511
10512 2005-03-03  Jan Hubicka  <jh@suse.cz>
10513
10514         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
10515         and non-constant public variables.
10516
10517 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
10518
10519         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
10520         with LABEL_EXPR.
10521
10522         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
10523         EDGE_I.
10524
10525         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
10526         calls to release_ssa_name and release_phi_node.
10527
10528         * fold-const.c (fold): Remove handling of unary expressions.
10529
10530         * fold-const.c (fold_unary): Avoid directly using the original
10531         expression t as much as possible.
10532
10533 2005-03-03  Roger Sayle  <roger@eyesopen.com>
10534             Andrew Pinski  <pinskia@physics.uc.edu>
10535
10536         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
10537         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
10538
10539 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
10540
10541         Describe special registers SRP and MOF as allocatable registers.
10542         * config/cris/cris.c (cris_md_asm_clobbers): New function.
10543         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
10544         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
10545         TARGET_HAS_MUL_INSNS.
10546         (cris_print_operand) <case 'd'>: New case.
10547         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
10548         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
10549         define.
10550         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
10551         (REG_ALLOC_ORDER): Update for MOF.
10552         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
10553         SPECIAL_REGS.
10554         (GENERAL_REGS): No longer a define of ALL_REGS.
10555         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
10556         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
10557         Adjust accordingly.
10558         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
10559         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
10560         (SECONDARY_RELOAD_CLASS): Define.
10561         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
10562         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
10563         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
10564         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
10565         (REGISTER_MOVE_COST): Define.
10566         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
10567         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
10568         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
10569         (CRIS_MOF_REGNUM): New define_constants.
10570         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
10571         special registers.
10572         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
10573         New patterns.
10574         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
10575         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
10576         Adjust for MOF being properly described as a register.
10577         (indir_to_reg_split): Name this split.  Conditionalize on the
10578         destination register being a general register.
10579         (movei): Conditionalize on on operands 0 and 1 having the same
10580         register class.
10581
10582 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
10583
10584         PR target/20277
10585         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
10586         -mcpu to override any other explicitly given flags.
10587
10588 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
10589
10590         * recog.c (verify_changes, confirm_change_group): New functions,
10591         broken out of apply_change_group.
10592         (apply_change_group): Use them.
10593         * recog.h (verify_change, confirm_change_group): Declare.
10594         * rtl.h (redirect_jump_2): Declare.
10595         * jump.c (redirect_exp, invert_exp): Delete.
10596         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
10597         (redirect_jump_2): New function, broken out of redirect_jump.
10598         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
10599         (invert_jump): Use invert_jump_1 and redirect_jump_2.
10600         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
10601
10602 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
10603
10604         * varasm.c (named_section): Use xstrdup rather than doing it by
10605         hand.
10606
10607         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
10608
10609 2005-03-02  Devang Patel  <dpatel@apple.com>
10610
10611         Undo PR tree-optimization/18815 fix.
10612
10613 2005-03-02  Devang Patel  <dpatel@apple.com>
10614
10615         PR tree-optimization/18815
10616         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
10617         loops with zero exit edges.
10618
10619 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
10620
10621         * cfg.c (connect_src, connect_dest, disconnect_src,
10622         disconnct_dest): New.
10623         (unchecked_make_edge, remove_edge, redirect_edge_succ,
10624         redirect_edge_pred): Use the new functions.
10625
10626         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
10627         free_dominance_info only when needed.
10628
10629 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
10630
10631         PR target/20276
10632         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
10633         (reg_or_sub_cint64_operand): Same.
10634
10635 2005-03-02  Jeff Law  <law@redhat.com>
10636
10637         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
10638         CFG_ALTERED in the main DOM iteration loop.
10639
10640 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
10641
10642         PR c++/19916
10643         * varasm.c (initializer_constant_valid_p): Allow conversions
10644         between OFFSET_TYPEs.  Tidy.
10645
10646 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
10647
10648         * config/cris/cris.md ("return"): Remove epilogue delay list
10649         sanity check.
10650
10651 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
10652
10653         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
10654         for Thumb.
10655         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
10656
10657 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
10658
10659         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
10660         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
10661         config/m68k/m68k.c, config/mips/mips.h,
10662         config/rs6000/rs6000-protos.h, doc/contrib.texi,
10663         doc/include/gcc-common.texi: Update copyright.
10664
10665         PR middle-end/18029 and PR middle-end/18030
10666         * expr.c (optimize_bitfield_assignment_op): Add a special case
10667         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
10668
10669         * fold-const.c (fold_unary): New.
10670         (fold): Call fold_unary on unary expressions.
10671
10672 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
10673
10674         * cgraph.h (struct cgraph_edge): Add prev_caller and
10675         prev_callee fields.
10676         (cgraph_node_remove_callees): Export.
10677         * cgraph.c (cgraph_create_edge): Initialize prev_caller
10678         and prev_callee.
10679         (cgraph_edge_remove_callee): New function.
10680         (cgraph_edge_remove_caller): Likewise.
10681         (cgraph_remove_edge): Use.
10682         (cgraph_redirect_edge_callee): Likewise.
10683         (cgraph_node_remove_callees): New function.
10684         (cgraph_node_remove_callers): Likewise.
10685         (cgraph_remove_node): Use.
10686         * tree-optimize.c (tree_rest_of_compilation): Use
10687         cgraph_node_remove_callees instead of manual loop.
10688         * cgraphunit.c (cgraph_finalize_function): Likewise.
10689         (cgraph_expand_function): Likewise.
10690         (cgraph_remove_unreachable_nodes): Likewise.
10691
10692 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
10693
10694         PR c/8927
10695         * c-tree.h (undeclared_variable, build_external_ref): Add extra
10696         argument.
10697         * c-decl.c (undeclared_variable): Take location as argument.
10698         * c-typeck.c (build_external_ref): Likewise.
10699         * c-parser.c (c_parser_postfix_expression): Pass location of
10700         identifier to build_external_ref.
10701
10702 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
10703
10704         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
10705         CCEQ mode for branch_positive_comparison_operator test.
10706         * config/rs6000/predicates (branch_comparison_operator): Revert to
10707         define_predicate.
10708         (scc_comparison_operator): Same.
10709         (branch_positive_comparison_operator): Same.
10710
10711 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
10712
10713         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
10714         (cris_delay_slots_for_epilogue): Remove.
10715         (save_last): Move into cris_target_asm_function_epilogue.
10716         (cris_target_asm_function_epilogue): Remove tests for file being
10717         NULL.
10718         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
10719         (cris_delay_slots_for_epilogue): Remove prototypes.
10720         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
10721         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
10722
10723 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
10724
10725         * config/rs6000/predicates.md (branch_comparison_operator): Change
10726         to define_special_predicate.
10727         (scc_comparison_operator): Same.
10728         (branch_positive_comparison_operator): Same.
10729
10730 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
10731
10732         * Makefile.in (tree-ssa-sink.o): New.
10733         (OBJS-common): Add tree-ssa-sink.o.
10734         * common.opt: Add -ftree-sink
10735         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
10736         * timevar.def (TV_TREE_SINK): new timevar.
10737         * tree-flow.h (is_hidden_global_store): Prototype.
10738         * tree-optimize.c (init_tree_optimization_passes): Add
10739         pass_sink_code.
10740         * tree-pass.h (pass_sink_code): New.
10741         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
10742         for non-obvious global store store to is_hidden_global_store, and
10743         call that new function.
10744         * tree-ssa-sink.c: New file.
10745         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
10746         * doc/passes.texi: Document forward store motion.
10747         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
10748         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
10749         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
10750         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
10751
10752 2005-03-01  Per Bothner  <per@bothner.com>
10753
10754         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
10755         and we have a non-zero column-number, add it to the message.
10756         Also factor out the diagnostic_kind_text.
10757
10758 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
10759
10760         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
10761         flow_loop_pre_header_scan, flow_loop_pre_header_find,
10762         flow_loop_scan): Removed.
10763         (flow_loop_dump): Do not dump removed fields.
10764         (flow_loop_free): Do not free removed fields.
10765         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
10766         (loop_exit_edge_p): New function.
10767         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
10768         num_pre_header_edges, entry_edges, num_entries, exit_edges,
10769         num_exits, exits_doms.
10770         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
10771         LOOP_EDGES, LOOP_ALL): Removed.
10772         (flow_loop_scan): Declaration removed.
10773         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
10774         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
10775         flow_loops_find.
10776         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
10777         (if_convert): Call flow_loops_find and flow_loops_free
10778         when calling mark_loop_exit_edges.
10779         * cfgloopanal.c (mark_loop_exit_edges): Moved from
10780         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
10781         free_dominance_info calls.
10782         * loop-init.c (flow_loops_find): Ditto.
10783         * passes.c (rest_of_handle_branch_prob): Ditto.
10784         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
10785         * loop-unroll.c (analyze_insns_in_loop): Do not use
10786         EDGE_LOOP_EXIT.
10787         * predict.c (predict_loops): Do not call flow_loop_scan.
10788         Use get_loop_exit_edges.
10789         (tree_estimate_probability): Do not pass flags to flow_loops_find.
10790         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
10791         Do not use EDGE_LOOP_EXIT.
10792         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
10793         to bb_with_exit_edge_p.
10794         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
10795         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
10796         to bb_with_exit_edge_p.
10797         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
10798         EDGE_LOOP_EXIT.
10799         * tree-loop-linear.c (linear_transform_loops): Do not call
10800         flow_loop_scan.  Use loop->single_exit.
10801         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
10802         (vect_analyze_loop_form): Do not call flow_loop_scan.
10803         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
10804         loop->single_exit.
10805         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
10806         loop->single_exit.
10807         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
10808         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
10809         slpeel_tree_duplicate_loop_to_edge_cfg,
10810         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
10811         Use loop_preheader_edge and loop->single_exit.  Do not call
10812         flow_loop_scan.
10813
10814 2005-03-01  Nick Clifton  <nickc@redhat.com>
10815
10816         * config/arm/arm.c (thumb_find_work_register): Check all of the
10817         argument registers to see if they are free, and a couple of
10818         special cases where the last argument register but can be proved
10819         to be available during the function's prologue.
10820         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
10821         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
10822         thumb_unexpanded_epilogue): Use unsigned long as the type for the
10823         register bit-mask.
10824         (thumb_compute_save_reg_mask): Likewise.  Also use
10825         thumb_find_work_register() to ensure that there is agreement about
10826         which work register is going to be used in the prologue.
10827         (thumb_output_function_prologue): Use unsigned long as the type
10828         for the register bit-mask.  Also delay pushing the link register if
10829         other high registers are going to be pushed.
10830         (thumb_compute_save_reg_mask, emit_multi_reg_push,
10831         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
10832         redundant prototypes.
10833
10834 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
10835
10836         PR target/19819
10837         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
10838         and after reload in REG+REG indexed addresses without REG_POINTER
10839         set in the base and not set in the index.
10840
10841 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
10842
10843         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
10844         Don't undefine here.
10845         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
10846         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
10847         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
10848         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
10849         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
10850         Delete.
10851         * config.gcc (sh*-*-linux*): Use config/linux.h.
10852
10853 2005-02-28  Dale Johannesen  <dalej@apple.com>
10854             Stan Shebs  <shebs@apple.com>
10855
10856         Rewrite of 64-bit Darwin structure-by-value pass/return.
10857         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
10858         intoffset, use_stack, named.
10859         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
10860         (rs6000_darwin64_record_arg_advance_flush):  New.
10861         (rs6000_darwin64_record_arg_advance_recurse): New.
10862         (rs6000_darwin64_record_arg_flush):  New.
10863         (rs6000_darwin64_record_arg_recurse):  New.
10864         (rs6000_darwin64_record_arg):  New.
10865         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
10866         (function_arg_boundary):  Handle 128-bit aligned structs.
10867         (function_arg_advance):  Rewrite darwin64 struct handling.
10868         (function_arg):  Call rs6000_darwin64_record_arg.
10869         (function_arg_partial_nregs):  Handle darwin64 structs.
10870         (rs6000_darwin64_function_value):  Remove.
10871         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
10872
10873 2005-02-28  Roger Sayle  <roger@eyesopen.com>
10874
10875         PR tree-optimization/20216
10876         * tree-chrec.c (tree_fold_factorial): Delete.
10877         (tree_fold_binomial): Change argument list to take a return type
10878         and change the type of K to unsigned int.  Rewrite to avoid explicit
10879         evaluation of factorials, and (recursively) calling fold to perform
10880         compile-time arithmetic.  Return NULL on (internal) overflow.
10881         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
10882         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
10883         if any intermediate calculation overflows.
10884         (chrec_apply): Update call to chrec_evaluate.
10885
10886 2005-02-28  James E Wilson  <wilson@specifixinc.com>
10887
10888         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
10889
10890 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
10891
10892         PR c/20245
10893         * c-parser.c (c_parser_compound_statement): Return error_mark_node
10894         instead of NULL_TREE on error.
10895
10896 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
10897
10898         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
10899         (EASY_VECTOR_15_ADD_SELF): Remove.
10900         (num_insns_constant_wide): Not static.
10901         (validate_condition_mode): Not static.
10902         (toc_relative_expr_p): Not static.
10903         (legitimate_indirect_address_p): Not static.
10904         (macho_lo_sum_memory_operand): Not static.
10905         (invalid_e500_subreg): Not static.
10906         (easy_vector_same): Not static.
10907         (easy_vector_splat_const): Not static.
10908         (RS6000_SYMBOL_REF_TLS_P): Remove.
10909         (any_operand): Delete.
10910         (any_parallel_operand): Delete.
10911         (count_register_operand): Delete.
10912         (altivec_register_operand): Delete.
10913         (xer_operand): Delete.
10914         (s8bit_cint_operand): Delete.
10915         (short_cint_operand): Delete.
10916         (u_short_cint_operand): Delete.
10917         (non_short_cint_operand): Delete.
10918         (exact_log2_cint_operand): Delete.
10919         (gpc_reg_operand): Delete.
10920         (cc_reg_operand): Delete.
10921         (cc_reg_not_cr0_operand): Delete.
10922         (reg_or_short_operand): Delete.
10923         (reg_or_neg_short_operand): Delete.
10924         (reg_or_aligned_short_operand): Delete.
10925         (reg_or_u_short_operand): Delete.
10926         (reg_or_cint_operand): Delete.
10927         (reg_or_arith_cint_operand): Delete.
10928         (reg_or_add_cint64_operand): Delete.
10929         (reg_or_sub_cint64_operand): Delete.
10930         (reg_or_logical_cint_operand): Delete.
10931         (got_operand): Delete.
10932         (got_no_const_operand): Delete.
10933         (easy_fp_constant): Delete.
10934         (easy_vector_constant): Delete.
10935         (easy_vector_constant_add_self): Delete.
10936         (zero_constant): Delete.
10937         (zero_fp_constant): Delete.
10938         (volatile_mem_operand): Delete.
10939         (offsettable_mem_operand): Delete.
10940         (mem_or_easy_const_operand): Delete.
10941         (add_operand): Delete.
10942         (non_add_cint_operand): Delete.
10943         (logical_operand): Delete.
10944         (non_logical_cint_operand): Delete.
10945         (mask_operand): Delete.
10946         (mask_operand_wrap): Delete.
10947         (mask64_operand): Delete.
10948         (mask64_2_operand): Delete.
10949         (and64_operand): Delete.
10950         (and64_2_operand): Delete.
10951         (and_operand): Delete.
10952         (reg_or_mem_operand): Delete.
10953         (lwa_operand): Delete.
10954         (symbol_ref_operand): Delete.
10955         (call_operand): Delete.
10956         (current_file_function_operand): Delete.
10957         (input_operand): Delete.
10958         (rs6000_nonimmediate_operand): Delete.
10959         (rs6000_tls_symbol_ref): Delete.
10960         (save_world_operation): Delete.
10961         (restore_world_operation): Delete.
10962         (load_multiple_operation): Delete.
10963         (store_multiple_operation): Delete.
10964         (vrsave_operation): Delete.
10965         (mfcr_operation): Delete.
10966         (mtcrf_operation): Delete.
10967         (lmw_operation): Delete.
10968         (stmw_operation): Delete.
10969         (branch_comparison_operator): Delete.
10970         (branch_positive_comparison_operator): Delete.
10971         (scc_comparison_operator): Delete.
10972         (trap_comparison_operator): Delete.
10973         (boolean_operator): Delete.
10974         (boolean_or_operator): Delete.
10975         (min_max_operator): Delete.
10976         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
10977         (EASY_VECTOR_15): Moved to here.
10978         (EASY_VECTOR_15_ADD_SELF): Move to here.
10979         (PREDICATE_CODES): Delete.
10980         * config/rs6000/rs6000-protos.h: Delete predicate functions.
10981         Declare functions no longer static.
10982         * config/rs6000/predicates.md: New.
10983         * config/rs6000/rs6000.md: Include predicates.md
10984
10985 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
10986
10987         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
10988         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
10989         REG_ALWAYS_RETURN.
10990         * cfgrtl.c (need_fake_edge_p): Likewise.
10991         * combine.c (distribute_notes): Likewise.
10992         * emit-rtl.c (try_split): Likewise.
10993         * recog.c (peephole2_opimize): Likewise.
10994         * reg-notes.def (ALWAYS_RETURN): Remove.
10995         * rtl.h (LCT_ALWAYS_RETURN): Remove.
10996         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
10997         * tree.h (ECF_ALWAYS_RETURN): Remove.
10998
10999 2005-02-28  Roger Sayle  <roger@eyesopen.com>
11000
11001         PR middle-end/19874
11002         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
11003         between different machine modes is never a "useless" conversion.
11004
11005 2005-02-28  Geert Bosch  <bosch@gnat.com>
11006
11007         PR ada/15977
11008         * doc/contrib.texi: List contributors for Ada front end
11009
11010 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
11011
11012         * simplify-rtx.c (simplify_unary_operation_1,
11013         simplify_const_unary_operation): New, extracted from...
11014         (simplify_unary_operation): ... this one.
11015         (simplify_binary_operation_1,
11016         simplify_const_binary_operation): New, extracted from...
11017         (simplify_binary_operation): ... this one.
11018         * rtl.h (simplify_const_unary_operation,
11019         simplify_const_binary_operation): Add prototypes.
11020
11021 2005-02-28  Julian Brown  <julian@codesourcery.com>
11022
11023         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
11024         building libjava and caused PR regression/20228.
11025
11026 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
11027
11028         PR bootstrap/17383
11029         * Makefile.in (host_subdir): New.
11030         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
11031         * configure: Regenerate.
11032
11033 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
11034
11035         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
11036         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
11037         installation directory first.
11038
11039 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
11040
11041         PR target/19065.
11042         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
11043         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
11044         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
11045         * config/cris/cris.md: Tweak comments referring to Q.
11046         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
11047         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
11048         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
11049         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
11050         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
11051         Insert spaces in constraints to align alternatives vertically for
11052         readability.
11053         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
11054         operand 1: "M".
11055
11056 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11057
11058         PR rtl-optimization/17728
11059         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
11060         operand 0 from general_operand to move_dest_operand.
11061
11062 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11063
11064         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
11065         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
11066         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
11067         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
11068
11069 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
11070
11071         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
11072         * configure: Regenerate.
11073         * libada-mk.in: Remove CC; rename
11074         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
11075
11076 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
11077
11078         PR tree-opt/20188
11079         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
11080         for the lhs, also walk over the tree.  Likewise for rhs.
11081
11082 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
11083
11084         * tree-ssa-dom.c (simple_iv_increment_p): New function.
11085         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
11086         Do not propagate value of iv before increment over the increment.
11087
11088 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
11089
11090         * c-parser.c: New file.
11091         * c-parse.in: Remove.
11092         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
11093         Remove.
11094         (c-parser.o): Add dependencies.
11095         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
11096         maintainer-clean, TAGS): Update.
11097         * c-config-lang.in (gtfiles): Update.
11098         * gengtype-lex.l: Don't handle "@@".
11099         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
11100         objc_build_synchronized, objc_begin_try_stmt,
11101         objc_begin_catch_clause, objc_finish_catch_clause,
11102         objc_build_finally_clause, objc_finish_try_stmt): New.
11103         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
11104         type_seen_p.
11105         (c_parse_init): Update comment.
11106         * c-decl.c (c_init_decl_processing): Update comment.
11107         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
11108         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
11109         new c_declspecs members.
11110
11111 2005-02-25  Julian Brown  <julian@codesourcery.com>
11112
11113         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
11114         from being used for symbols with vague linkage when
11115         HAVE_GAS_COMDAT_GROUP is true.
11116
11117 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
11118
11119         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
11120
11121 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
11122
11123         PR target/19930
11124         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
11125         (LIBGCC2_HAS_DF_MODE): New.
11126         (LIBGCC2_HAS_XF_MODE): New.
11127         (LIBGCC2_HAS_TF_MODE): New.
11128         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
11129         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
11130         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
11131         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
11132         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
11133         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
11134         and add _fixtfdi, _fixunstfdi, _floatditf
11135         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
11136         L_fixunstfdi, L_floatditf.
11137         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
11138         (LIBGCC2_HAS_TF_MODE): Define.
11139
11140 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
11141
11142         PR tree-optimization/20204
11143         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
11144         REWRITE_THIS_STMT markers on PHI nodes.
11145         (rewrite_initialize_block): Likewise.
11146
11147 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
11148
11149         * version.c (version_string): Update to 4.1.
11150
11151 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
11152
11153         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
11154         Clarify that the alternative way doesn't work in GNU C++.
11155
11156 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
11157
11158         PR tree-optimization/19937
11159         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
11160         to the type of the induction variable.
11161
11162 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
11163
11164         PR rtl-optimization/20117
11165         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
11166         the block including noncopyable insn.
11167
11168 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
11169
11170         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
11171         calls to find_reg_note.
11172
11173 2005-02-24  Richard Henderson  <rth@redhat.com>
11174
11175         PR tree-opt/20127
11176         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
11177         the type.
11178
11179 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
11180
11181         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
11182         vector types if to use base reg for misaligned non-word ld/std.
11183
11184 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
11185
11186         PR target/14619
11187         * config/cris/cris.c (cris_target_asm_function_prologue): Create
11188         dwarf2 label manually and put it after, not before the prologue.
11189
11190 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
11191
11192         PR target/19019
11193         * reload.c (operands_match_p): Only increment register number for
11194         SCALAR_INT_MODE_P modes in multiple hard registers.
11195
11196         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
11197         Fix formatting.
11198
11199 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
11200
11201         * ChangeLog.5: Fix log message typo(s).
11202         * ChangeLog.7: Likewise.
11203         * ChangeLog.tree-ssa: Likewise.
11204         * cfgexpand.c: Fix comment typo(s).
11205         * conflict.c: Likewise.
11206         * defaults.h: Likewise.
11207         * dwarf2out.c: Likewise.
11208         * gcse.c: Likewise.
11209         * ggc-page.c: Likewise.
11210         * tree-eh.c: Likewise.
11211         * tree-ssa-dom.c: Likewise.
11212
11213 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
11214
11215         PR target/19019
11216         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
11217         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
11218         if SHARED is defined.
11219
11220         PR target/20196
11221         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
11222         allow splitting only if operands 0 and 3 don't overlap.
11223
11224 2005-02-24  Richard Henderson  <rth@redhat.com>
11225
11226         PR middle-end/19953
11227         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
11228         (fold_builtin_1): Call them.
11229         * fold-const.c (fold_complex_mult_parts): Split out from ...
11230         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
11231         (fold_complex_div_parts, fold_complex_div): New.
11232         (fold): Use them.
11233         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
11234
11235 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
11236
11237         * tree-ssa-ccp.c (visit_assignment): Verify that result of
11238         VIEW_CONVERT_EXPR is_gimple_min_invariant.
11239
11240         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
11241         (print_node): Likewise.
11242         Print TYPE_SIZES_GIMPLIFIED.
11243
11244 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
11245
11246         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
11247         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
11248         operands as commutative in constraints.
11249
11250 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
11251
11252         * tree-into-ssa.c: Re-organize internal functions.
11253
11254 2005-02-24  Richard Henderson  <rth@redhat.com>
11255
11256         PR middle-end/18902
11257         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
11258         for c99.
11259         * common.opt (fcx-limited-range): New.
11260         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
11261         * toplev.c (flag_complex_method): Initialize to 1.
11262         (process_options): Set flag_complex_method to 0 if
11263         flag_cx_limited_range.
11264         * doc/invoke.texi (-fcx-limited-range): New.
11265
11266 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
11267
11268         * cse.c (delete_trivially_dead_insns): Speed up by using
11269         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
11270         prev_real_insn.
11271
11272 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
11273
11274         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
11275         functions when -mid-shared-library is being used.
11276
11277 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
11278
11279         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
11280         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
11281         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
11282         * system.h: Poison LINK_LIBGCC_SPECIAL.
11283
11284 2005-02-23  James E Wilson  <wilson@specifixinc.com>
11285
11286         * gengtype.c (note_insn_name): Make 1 element larger.
11287
11288 2005-02-23  Roger Sayle  <roger@eyesopen.com>
11289
11290         PR target/20018
11291         PR rtl-optimization/20097
11292         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
11293         BImode SUBREGs of SImode registers which confuse the ia64 backend.
11294
11295 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
11296
11297         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
11298         * t-aix52 (SHLIB_INSTALL): Same.
11299
11300 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
11301
11302         * genpreds.c: Update copyright.
11303
11304 2005-02-23  Michael Beach  <michaelb@ieee.org>
11305
11306         PR target/20159
11307         * config/sparc/t-elf (startup files): Assemble with CPP.
11308
11309 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
11310
11311         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
11312         (write_predicate_expr): Likewise.
11313
11314 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
11315
11316         PR tree-optimization/20100
11317         PR tree-optimization/20115
11318         * tree-optimize.c (init_tree_optimization_passes): Remove
11319         pass_maybe_create_global_var.
11320         * tree-pass.h (pass_maybe_create_global_var): Remove.
11321         * tree-ssa-alias.c (aliases_computed_p): Declare.
11322         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
11323         (count_calls_and_maybe_create_global_var): Remove.
11324         (pass_maybe_create_global_var): Remove.
11325         (init_alias_info): Do not declare aliases_computed_p.
11326         (maybe_create_global_var): If the function contains no
11327         call-clobbered variables and a mix of pure/const and regular
11328         function calls, create .GLOBAL_VAR.
11329         Mark all call-clobbered variables for renaming.
11330         (merge_pointed_to_info): Update comment.
11331         (add_pointed_to_var): Likewise.
11332         (is_escape_site): Likewise.
11333         Accept struct alias_info * instead of size_t *.
11334         Update all users.
11335         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
11336         as necessary.
11337         * tree-ssa-operands.c (get_call_expr_operands): If
11338         ALIASES_COMPUTED_P is false, do not add call-clobbering
11339         operands.
11340         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
11341         (delete_tree_ssa): Likewise.
11342
11343 2005-02-22  James E Wilson  <wilson@specifixinc.com>
11344
11345         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
11346         (do_compile): Do call it here.
11347
11348 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
11349
11350         PR rtl-optimization/20017.
11351         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
11352         rest_of_handle_cse2, rest_of_handle_gcse): Call
11353         delete_dead_jumptables immediately before calling cleanup_cfg.
11354
11355 2005-02-22  Devang Patel  <dpatel@apple.com>
11356
11357         PR 19952
11358         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
11359         all labels
11360
11361 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
11362
11363         * config/rs6000/aix.h (WINT_TYPE): Define.
11364
11365 2005-02-22  Stan Shebs  <shebs@apple.com>
11366
11367         * config/rs6000/rs6000.c (rs6000_override_options): Default to
11368         natural alignment for 64-bit Darwin.
11369         (rs6000_parse_alignment_option): Warn about uses of -malign-power
11370         on 64-bit Darwin.
11371         * doc/invoke.texi: Document this.
11372
11373 2005-02-22  DJ Delorie  <dj@redhat.com>
11374
11375         * c-common.c (c_common_type_for_mode): Pass the mode's precision
11376         to make_[un]signed_type, not the mode itself.
11377
11378 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
11379
11380         * cfg.c (cached_make_edge): Call make_edge if edge cache is
11381         not available.  Use tail calls wherever possible.
11382         (make_edge): Call unchecked_make_edge to create an edge.
11383
11384         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
11385         (coalesce_ssa_name): Don't check for
11386         SSANORM_USE_COALESCE_LIST.
11387         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
11388
11389 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
11390
11391         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
11392         (rewrite_into_ssa): ... here.
11393
11394 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
11395
11396         PR tree-optimization/19786
11397         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
11398         tag to another's may-alias bitmap when adding to the other's list.
11399
11400 2005-02-21  DJ Delorie  <dj@redhat.com>
11401
11402         * tree-ssa-loop-ivopts.c (computation_cost): Start register
11403         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
11404         registers in unsupported ways.
11405         * expmed.c (init_expmed): Likewise.
11406
11407 2005-02-21  Stan Cox  <scox@redhat.com>
11408
11409         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
11410
11411 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
11412
11413         * tree-cfg.c (fold_cond_expr_cond): New.
11414         (make_edges): Call fold_cond_expr_cond.
11415         (find_taken_edge): Accept nothing but INTEGER_CST.
11416         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
11417         and 1.
11418         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
11419
11420         * flow.c (delete_dead_jumptables): Speed up by scanning insns
11421         that do not belong to any basic block.
11422
11423 2005-02-21  Jeff Law  <law@redhat.com>
11424
11425         * cfganal.c (find_unreachable_blocks): Manually CSE load of
11426         e->dest.
11427
11428 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
11429
11430         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
11431         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
11432         Adjust their definitions.
11433         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
11434         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
11435
11436         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
11437         genautomata.c, langhooks.c, langhooks.h, system.h,
11438         config/arm/lib1funcs.asm: Update copyright.
11439
11440 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
11441
11442         * dbxout.c (dbxout_function_end): Emit Lscope label always.
11443
11444 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
11445
11446         PR bootstrap/13770
11447         * doc/install.texi: Document --with-gc.
11448
11449 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
11450
11451         * simplify-rtx.c (simplify_unary_operation): Add a missing
11452         "break" statement.
11453
11454 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
11455
11456         PR tree-optimization/18663
11457         * tree-ssa-dom.c (extract_range_from_cond): Return 0
11458         if the type has variable bounds.
11459
11460 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
11461
11462         * gcse.c: Remove an obsolete comment.
11463
11464         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
11465
11466 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
11467
11468         * doc/extend.texi (Function Attributes) <Attribute const>: The
11469         attribute "pure" is below this text, not above.
11470
11471 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11472
11473         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
11474         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
11475         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
11476
11477 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
11478
11479         PR 18785
11480         * langhooks.h (struct lang_hooks): Add to_target_charset.
11481         * langhooks.c (lhd_to_target_charset): New function.
11482         * langhooks-def.h: Declare lhd_to_target_charset.
11483         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
11484         (LANG_HOOKS_INITIALIZER): Update.
11485         * c-common.c (c_common_to_target_charset): New function.
11486         * c-common.h: Declare it.
11487         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
11488         c_common_to_target_charset.
11489
11490         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
11491         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
11492         Delete definitions.
11493         * system.h: Poison them.
11494         * doc/tm.texi: Don't discuss them.
11495         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
11496         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
11497         (pp_c_char): Do not attempt to generate letter escapes for
11498         newline, tab, etc.
11499         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
11500         * config/mips/mips.c (mips_output_ascii): Likewise.
11501
11502 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
11503
11504         PR tree-optimization/19951
11505         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
11506         is abnormal.
11507
11508 2005-02-19  Steven Bosscher  <stevenb@suse.de>
11509
11510         PR middle-end/19698
11511         * function.h (struct function): New field `max_loop_depth'.
11512         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
11513         (flow_loops_find): Reset the max loop depth count before finding loops.
11514         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
11515         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
11516         (calculate_global_regs_live): Make sure the loop will terminate
11517         when the initial sets are not empty.
11518
11519 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
11520
11521         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
11522         object inside.
11523         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
11524
11525 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
11526
11527         PR other/19525
11528         * doc/invoke.texi: Remove documentation of %M spec.
11529         * gcc.c: Likewise.
11530         (init_spec): Remove %M suffix from -lgcc_s.
11531         (do_spec_1): Remove 'M' case.
11532         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
11533         to put shared libraries in the multilib directory.  Remove the
11534         shlib_so_soname substitution variable.  Don't add a multilib encoding
11535         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
11536         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
11537         SHLIB_INSTALL as well as SHLIB_LINK.
11538         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
11539         (SHLIB_NAME): Delete.
11540         (SHLIB_DIR): New macro.
11541         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
11542         (SHLIB_INSTALL): Adjust accordingly.
11543         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
11544         * config/t-slibgcc-sld: Likewise.
11545         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
11546         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
11547         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
11548         in $(SHLIB_DIR).
11549         (SHLIBUNWIND_INSTALL): Adjust accordingly.
11550         * config/i386/t-nwld (SHLIB_SONAME): Delete.
11551         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
11552         Use @shlib_base_name@ instead of @shlib_so_name@.
11553         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
11554         and @shlib_base_name@.so in @multilib_dir@.
11555         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
11556         to the install path.
11557         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
11558         (SHLIB_LINK): Remove previous workaround.
11559         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
11560         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
11561         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
11562         the install path.
11563         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
11564         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
11565         (SHLIB_INSTALL): Adjust accordingly.
11566         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
11567         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
11568         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
11569         config/t-slibgcc-elf-ver.
11570
11571 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
11572             Jakub Jelinek  <jakub@redhat.com>
11573
11574         PR tree-optimization/19828
11575         * tree-ssa-loop-im.c: Add a TODO comment.
11576         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
11577         without side-effects.
11578
11579 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
11580
11581         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
11582         call fold_convert.
11583
11584 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
11585
11586         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
11587         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
11588         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
11589         functions.
11590         (ia64_reorg): Delete fixup_errata call.
11591         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
11592         (TARGET_SWITCHES): Delete -mb-step entry.
11593
11594 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
11595
11596         PR c/20043
11597         * c-typeck.c (composite_type): Handle quals in transparent unions.
11598         (type_lists_compatible_p): Likewise.
11599
11600 2005-02-18  Stan Shebs  <shebs@apple.com>
11601
11602         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
11603         expressions in the .literal8 section.
11604
11605 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
11606
11607         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
11608
11609 2005-02-18  Roger Sayle  <roger@eyesopen.com>
11610
11611         * fold-const.c (constant_boolean_node): Always create values of the
11612         specified type, don't bother calling truthvalue_conversion.
11613
11614 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
11615
11616         * except.c (output_function_exception_table): Call
11617         assemble_external_libcall (eh_personality_libfunc).
11618
11619 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
11620
11621         PR target/19886
11622         * config/ia64/ia64.h (struct machine_function): Add state_num.
11623         * config/ia64/ia64.c (process_epilogue,
11624         process_for_unwind_directive): Use new unwind state numbers each
11625         time rather than state 1.
11626
11627 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
11628
11629         PR target/20054
11630         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
11631         before the "*llgt_didi" pattern.
11632
11633 2005-02-18  Jason Merrill  <jason@redhat.com>
11634
11635         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
11636
11637 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
11638
11639         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
11640         (div0): Use it in place of ARM_FUNC_ALIAS.
11641         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
11642
11643 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
11644
11645         PR middle-end/20030
11646         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
11647         access, the lower bound of the array type if it exists.
11648
11649 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
11650
11651         PR c++/20008
11652         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
11653         cases that are out-of-range for the index type.
11654
11655 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
11656
11657         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
11658         (estimate_case_costs): Don't call convert.
11659         * expmed.c (expand_shift): Likewise.
11660         (make_tree): Call fold_convert instead of convert.
11661
11662 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
11663
11664         PR c++/19813
11665         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
11666         that ref to be marked MEM_READONLY_P doesn't have base that needs
11667         constructing.
11668
11669 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
11670
11671         * genautomata.c (output_get_cpu_unit_code_func,
11672         output_cpu_unit_reservation_p): Don't generate old-style function
11673         definitions.
11674
11675 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
11676
11677         PR c++/20023
11678         PR tree-optimization/20009
11679         * convert.c (convert_to_integer): Revert 2005-02-16 change.
11680
11681         PR tree-optimization/18947
11682         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
11683         inline, remove all nodes that are inlined into the extern inline
11684         being redefined.
11685
11686 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
11687
11688         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
11689         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
11690         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
11691         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
11692         Update copyright.
11693
11694 2005-02-17  Roger Sayle  <roger@eyesopen.com>
11695
11696         PR tree-optimization/19917
11697         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
11698         to be potentially trapping.
11699
11700 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
11701
11702         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
11703
11704 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
11705
11706         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
11707         tem becomes a local variable which is set to the value of the
11708         back end defined INITIAL_FRAME_ADDRESS macro.
11709         (expand_builtin_frame_address): Omit the base parameter to
11710         expand_builtin_return_addr.
11711         (expand_builtin_profile_func): Likewise.
11712         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
11713         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
11714         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
11715
11716 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
11717
11718         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
11719         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
11720         * config/frv/frv.c (frv_function_epilogue): Likewise.
11721
11722 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
11723
11724         * lambda-code (perfect_nestify): Remove mark/unmark
11725         for rewriting hack.
11726         * tree-loop-linear.c (linear_transform_loops): Add
11727         rewrite_into_ssa call so that ssa is correct for
11728         rewriting into loop closed.
11729
11730 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
11731
11732         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
11733         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
11734         BITMAP_FREE.
11735         * bt-load.c (btr_def_live_range, combine_btr_defs,
11736         migrate_btr_def, migrate_btr_defs): Likewise.
11737         * cfgcleanup.c (thread_jump): Likewise.
11738         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
11739         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
11740         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
11741         df_rd_local_compute, df_reg_info_compute): Likewise.
11742         * dominance.c (init_dom_info, free_dom_info): Likewise.
11743         * flow.c (init_propagate_block_info,
11744         free_propagate_block_info): Likewise.
11745         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
11746         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
11747         modify_reg_pav): Likewise.
11748         * loop-invariant.c (find_defs, find_invariant_insn,
11749         find_invariants, free_inv_motion_data): Likewise.
11750         * predict.c (tree_predict_by_opcode,
11751         estimate_bb_frequencies): Likewise.
11752         * stmt.c (expand_case): Likewise.
11753         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
11754         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
11755         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
11756         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
11757         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
11758         rewrite_ssa_into_ssa): Likewise.
11759         * tree-optimize.c (tree_rest_of_compilation): Likewise.
11760         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
11761         analyze_edges_for_bb, perform_edge_inserts): Likewise.
11762         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
11763         * tree-sra.c (tree_sra): Likewise.
11764         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
11765         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
11766         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
11767         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
11768         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
11769         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
11770         Likewise.
11771         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
11772         calculate_live_on_entry, calculate_live_on_exit,
11773         build_tree_conflict_graph): Likewise.
11774         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
11775         record_important_candidates, set_use_iv_cost, find_depends,
11776         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
11777         tree_ssa_iv_optimize_finalize): Likewise.
11778         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
11779         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
11780         tree_duplicate_loop_to_header_edge): Likewise.
11781         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
11782         * tree-ssa.c (verify_flow_insensitive_alias_info,
11783         verify_name_tags, verify_ssa, init_tree_ssa,
11784         delete_tree_ssa): Likewise.
11785         * tree-ssanames.c (marked_ssa_names, init_ssanames,
11786         fini_ssanames): Likewise.
11787         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
11788
11789 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
11790
11791         * config/rs6000/t-rtems: Completely reworked.
11792
11793 2005-02-17  Ira Rosen  <irar@il.ibm.com>
11794
11795         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
11796
11797 2005-02-17  Ira Rosen  <irar@il.ibm.com>
11798
11799         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
11800         POINTER_TYPE_P when checking that type is a pointer.
11801         (vect_get_memtag): Remove.
11802         (vect_address_analysis): Use POINTER_TYPE_P. Call
11803         vect_object_analysis with dummy parameter for memtag.
11804         (vect_object_analysis): Extract memtag (functionality that
11805         used to be in vect_get_memtag and moved here). Fix printings.
11806         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
11807         with correct parameters. Remove call to vect_get_memtag.
11808
11809 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
11810
11811         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
11812         (tree-vectorizer.o): Added missing dependencies.
11813
11814         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
11815         decleration.
11816         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
11817         declaration in tree-vectorizer.c, now has an extern declaration in
11818         tree-vectorizer.h).
11819         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
11820         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
11821         get_vectype_for_scalar_type, vect_is_simple_use,
11822         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
11823         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
11824         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
11825         vectorizable_store, vectorizable_operation, vectorizable_assignment,
11826         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
11827         find_loop_location): Likewise.
11828
11829         * tree-vectorizer.c (langhooks.h): #include removed.
11830         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
11831         moved to tree-vectorized.h.
11832         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
11833         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
11834         get_vectype_for_scalar_type, vect_is_simple_use,
11835         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
11836         vect_supportable_dr_alignment, new_loop_vec_info,
11837         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
11838         vect_set_verbosity_level, find_loop_location): Likewise.
11839
11840         (vect_analyze_loop): Function externalized. Declaration moved to
11841         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
11842         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
11843         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
11844         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
11845         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
11846         vect_enhance_data_refs_alignment, vect_analyze_operations,
11847         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
11848         vect_stmt_relevant_p, vect_get_loop_niters,
11849         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
11850         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
11851         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
11852         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
11853         vect_get_memtag): Likewise.
11854
11855         (vectorizable_load): Function externalized. Declaration moved to
11856         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
11857         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
11858         vect_transform_loop): Likewise.
11859         (vect_transform_stmt): Moved to tree-vect-transform.c.
11860         (vect_align_data_ref, vect_create_destination_var,
11861         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
11862         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
11863         vect_get_vec_def_for_operand, vect_init_vector,
11864         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
11865         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
11866         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
11867         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
11868         vect_do_peeling_for_loop_bound): Likewise.
11869
11870         * tree-vect-analyze.c: New file.
11871         * tree-vect-transform.c: New file.
11872
11873 2005-02-17  Jason Merrill  <jason@redhat.com>
11874
11875         PR mudflap/19319, c++/19317
11876         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
11877         slot explicit.
11878
11879 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
11880
11881         * doc/install.texi (Specific): Update link for Darwin-specific
11882         tool binary site.
11883
11884 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
11885
11886         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
11887         constant_boolean_node.
11888
11889 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
11890
11891         PR target/19019
11892         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
11893         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
11894
11895 2005-02-16  Richard Henderson  <rth@redhat.com>
11896
11897         PR 19920
11898         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
11899         with W_TYPE_SIZE.
11900         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
11901         replace uses with Wtype_MAXp1_F.
11902         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
11903         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
11904         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
11905         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
11906         and HAVE_TFMODE as appropriate.
11907         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
11908         (__floatdisf): Likewise.
11909         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
11910         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
11911         (Wtype_MAXp1_F): New.
11912         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
11913         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
11914
11915 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
11916
11917         * PR target/19162
11918         * arm.c (arm_apply_result_size): New function.
11919         * arm.h (APPLY_RESULT_SIZE): Define.
11920         * arm-protos.h (arm_apply_result_size): Add prototype.
11921         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
11922         (movxf): New expand.
11923         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
11924         (call_value_symbol): Remove predicate for operand 0.
11925         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
11926         (untyped_call): Rework to correclty return values for any type.
11927         (untyped_return): New expand.
11928         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
11929
11930 2005-02-16  Stan Shebs  <shebs@apple.com>
11931
11932         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
11933         * config/rs6000/t-darwin8: New, for 64-bit multilib.
11934
11935 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
11936
11937         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
11938         configure settings on Solaris 7 and later.
11939
11940 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
11941
11942         PR tree-optimization/19865
11943         * tree-optimize.c (init_tree_optimization_passes): Run
11944         pass_may_alias after pass_sra.
11945
11946 2005-02-16  Richard Henderson  <rth@redhat.com>
11947             Stuart Hastings  <stuart@apple.com>
11948
11949         PR debug/19521
11950         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
11951         Do nothing if debug info suppressed for this function.
11952         (dbxout_begin_function): Early exit if debug info suppressed for
11953         this function.
11954
11955 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
11956
11957         PR target/20007
11958         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
11959         find_basic_blocks.
11960         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
11961
11962         PR tree-optimization/19967
11963         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
11964         expand_builtin_strchr, expand_builtin_strrchr): Take a new
11965         argument TYPE.  Adjust calls to fold_builtin_XXX.
11966         (expand_builtin, fold_builtin_1): Adjust calls to
11967         expand_builtin_XXX.
11968         (fold_builtin_strchr, fold_builtin_strpbrk,
11969         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
11970         result to a requested type TYPE.
11971
11972 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
11973
11974         PR middle-end/19857
11975         * fold-const.c (fold): Don't optimize (T)(x & cst) to
11976         (T)x & (T)cst if (T)cst overflows.
11977         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
11978         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
11979
11980 2005-02-15  Jeff Law  <law@redhat.com>
11981
11982         * gcse.c (blocks_with_calls): New bitmap.
11983         (alloc_gcse_mem): Allocate it.
11984         (free_gcse_mem): Free it.
11985         (clear_modifY_mem_tables): Clear it.
11986         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
11987         when we encounter CALL_INSNs.
11988         (compute_transp, case MEM): Handle blocks with calls separate
11989         from blocks without calls.  Use bitmap iterators rather than
11990         FOR_EACH_BB.
11991
11992 2005-02-15  Peter O'Gorman  <peter@pogma.com>
11993
11994         PR bootstrap/18810
11995         * mklibgcc.in (vis_hide): Use a temporary object file, not
11996         -o /dev/null.
11997
11998 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
11999
12000         PR target/19924
12001         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
12002         access optimization.
12003
12004 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
12005             Alan Modra  <amodra@bigpond.net.au>
12006
12007         PR target/19019
12008         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
12009         (_xlqsub): Rename to __gcc_qsub.
12010         (_xlqmul): Rename to __gcc_qmul.
12011         (_xlqdiv): Rename to __gcc_qdiv.
12012         Provide versioned symbol aliases with old names.
12013         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
12014         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
12015         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
12016         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
12017         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
12018
12019 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
12020
12021         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
12022         Fold ~(A - 1) and ~(A + -1) to -A.
12023
12024 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
12025
12026         PR pch/14940
12027         PR target/19300
12028         * config/host-linux.c (linux_gt_pch_use_address): Copy from
12029         config/pa/pa-host.c:pa_gt_pch_use_address.
12030
12031 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
12032
12033         * tree-vn.c (get_value_handle): Make sure that given an
12034         is_gimple_min_invariant expression, we always return it.
12035
12036 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
12037
12038         * passes.c (rest_of_handle_gcse): Fix a comment.
12039
12040 2005-02-15  Jeff Law  <law@redhat.com>
12041
12042         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
12043         bitmap.
12044         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
12045         (canon_list_insert, record_last_mem_set_info): Similarly.
12046         (clear_modify_mem_tables): Similarly.
12047
12048 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
12049
12050         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
12051         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
12052         config/mips/mips.md, config/rs6000/aix.h,
12053         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
12054
12055 2005-02-15  Richard Henderson  <rth@redhat.com>
12056
12057         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
12058         call to be best_edge.
12059
12060 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
12061
12062         * basic-block.h: Adjust the prototype for find_basic_blocks.
12063         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
12064         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
12065         find_basic_blocks.
12066
12067         * flow.c (recompute_reg_usage): Remove all arguments.
12068         * passes.c (rest_of_compilation): Adjust the call to
12069         recompute_reg_usage.
12070         * rtl.h: Adjust the prototype for recompute_reg_usage.
12071
12072 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
12073
12074         * tree-dump.c (dump_files): Update to reflect new member
12075         of dump_file_info.
12076         (dump_register): Add new argument.
12077         Set glob name.
12078         (dump_switch_p_1): Check against glob name if doglob was passed.
12079         (dump_switch_p): Check against regular first, then glob if
12080         we didn't have any hits on the dump name.
12081         * tree-optimize.c (register_one_dump_file):
12082         Pass in glob name as well.
12083         * tree-pass.h (struct dump_file_info): Add glob
12084         member.
12085
12086 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
12087
12088         PR preprocessor/16323
12089         * doc/invoke.texi: Document that -Wendif-labels is on by default.
12090
12091 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
12092
12093         PR target/19019
12094         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
12095         (trunctfdf2_internal1): New.
12096         (trunctfdf2_internal2): Renamed from trunctfdf2.
12097
12098 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
12099
12100         PR tree-optimization/19853
12101         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
12102
12103 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
12104
12105         * passes.c (rest_of_handle_loop_optimize): Remove calls to
12106         delete_dead_jumptables and cleanup_cfg.
12107
12108 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
12109
12110         * reload.c (find_reloads): Swap address_reloaded flags when
12111         swapping commutative operands.
12112
12113 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
12114
12115         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
12116         Use standard_iv_increment_position for computing the bsi position
12117         for create_iv.
12118         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
12119         the bsi position.
12120
12121 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
12122
12123         PR target/17428
12124         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
12125         life range of hard registers.
12126         * value-prof.c (insn_prefetch_values_to_profile): Only
12127         scan normal insns.
12128
12129         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
12130         profile in libcalls.
12131
12132 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
12133
12134         * bitmap.h (bitmap_and_compl_into): Return bool.
12135         * bitmap.c (bitmap_and_compl_into): Return changed flag.
12136
12137 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
12138
12139         PR tree-optimization/19944
12140         * fold-const.c (fold): Re-add ABS_EXPR folding.
12141
12142 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
12143
12144         PR target/19019
12145         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
12146         {TARGET,MASK}_XL_COMPAT.
12147         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
12148         MASK_XL_COMPAT.
12149         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
12150         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
12151         TARGET_XL_COMPAT.
12152         (rs6000_arg_partial_bytes): Same.
12153         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
12154         and XL compatibility enabled.
12155         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
12156         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
12157         test to final condition.
12158         (cmptf_internal2): New.
12159         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
12160         xl-compat.  Add TFmode information to description.
12161
12162 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
12163
12164         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
12165
12166 2005-02-13  Jason Merrill  <jason@redhat.com>
12167
12168         PR c++/16405
12169         * fold-const.c (fold_indirect_ref_1): Split out from...
12170         (build_fold_indirect_ref): Here.
12171         (fold_indirect_ref): New fn.
12172         * tree.h: Declare it.
12173         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
12174         (gimplify_modify_expr_rhs): Likewise.
12175         (gimplify_expr): Likewise.
12176
12177 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
12178
12179         PR tree-optimization/14303
12180         PR tree-optimization/15784
12181         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
12182         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
12183         ABS_EXPR<x> != 0 to x != 0.
12184
12185 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
12186
12187         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
12188         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
12189         spelling conventions.
12190
12191         * passes.c (rest_of_handle_gcse): Don't run cse_main and
12192         delete_trivially_dead_insns too many times.
12193
12194         * passes.c (rest_of_handle_gcse): Remove dead assignments to
12195         tem and tem2.
12196
12197 2005-02-12  Ira Rosen  <irar@il.ibm.com>
12198
12199         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
12200         (vect_is_simple_iv_evolution): Remove redundant parameter
12201         and step check.
12202         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
12203         without last parameter.
12204         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
12205         Return pointer step. Call vect_is_simple_iv_evolution without
12206         last parameter. Check only that the step is multiple of size
12207         type. Remove stmt_vinfo updates.
12208         (vect_get_memtag_and_dr): Remove.
12209         (vect_get_memtag): New function.
12210         (vect_address_analysis): New function.
12211         (vect_object_analysis): New function.
12212         (vect_analyze_data_refs): Call vect_object_analysis and
12213         vect_get_memtag. Update stmt_vinfo fields.
12214
12215 2005-02-12  Ira Rosen  <irar@il.ibm.com>
12216
12217         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
12218         exist and are objects. Remove checks for pointer.
12219         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
12220         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
12221         (vect_create_data_ref_ptr): Likewise.
12222         (vect_base_addr_differ_p): New function.
12223         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
12224         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
12225         Don't set the DR_BASE_NAME field of data-ref.
12226         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
12227
12228 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
12229
12230         * optabs.h (enum optab_index): Add new OTI_ldexp.
12231         (ldexp_optab): Define corresponding macro.
12232         * optabs.c (init_optabs): Initialize ldexp_optab.
12233         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
12234         patterns.
12235         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
12236         using ldexp_optab.
12237         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
12238         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
12239
12240         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
12241         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
12242         intrinsics.
12243
12244 2005-02-12  Ira Rosen  <irar@il.ibm.com>
12245
12246         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
12247         to base_address.
12248         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
12249         stmt_vec_info.
12250         (vect_get_base_and_offset): Always return an address.
12251         (vect_create_addr_base_for_vector_ref): Remove treatment for
12252         different data reference types.
12253         (vect_compute_data_ref_alignment): Rename base to base_address in
12254         stmt_vec_info. Get the object in order to force its alignment.
12255         (vect_get_memtag_and_dr): Rename base to base_address in
12256         stmt_vec_info. Extract the object for memtag analysis.
12257
12258 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
12259
12260         PR regression/19898.
12261         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
12262         changes cc_status, use apply modified_in_p to part of cc_status
12263         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
12264         body.
12265
12266 2005-02-11  Richard Henderson  <rth@redhat.com>
12267
12268         * tree-complex.c (expand_complex_libcall): New.
12269         (expand_complex_multiplication): Use it for c99 compliance.
12270         (expand_complex_division): Likewise.
12271         * fold-const.c (fold_complex_add, fold_complex_mult): New.
12272         (fold): Call them.
12273         * builtins.c (built_in_names): Remove const.
12274         * tree.c (build_common_builtin_nodes): Build complex arithmetic
12275         builtins.
12276         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
12277         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
12278         (built_in_names): Remove const.
12279         * c-common.c (c_common_type_for_mode): Handle complex modes.
12280         * flags.h, toplev.c (flag_complex_method): Rename from
12281         flag_complex_divide_method.
12282         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
12283         __mulsc3, __muldc3, __mulxc3, __multc3): New.
12284         * libgcc2.h: Declare them.
12285         * libgcc-std.ver: Export them.
12286         * mklibgcc.in (lib2funcs): Build them.
12287
12288 2005-02-11  Steven Bosscher  <stevenb@suse.de>
12289
12290         PR tree-optimization/19876
12291         Partially revert my change from 2005-01-14
12292         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
12293         (compute_antic): ...and remove the loop here.
12294
12295 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
12296
12297         PR middle-end/19858
12298         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
12299         is number of inner's bits, avoid creating a BIT_FIELD_REF.
12300
12301         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
12302         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
12303
12304 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
12305
12306         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
12307         offsets for the big-endian 32-bit case.
12308
12309 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
12310
12311         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
12312
12313 2005-02-11  Dale Johannesen  <dalej@apple.com>
12314
12315         * cselib.c (cselib_process_insn):  Clear out regs where
12316         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
12317         * reload.c (find_equiv_reg): Ditto.
12318
12319 2005-02-11  Ian Lance Taylor  <ian@airs.com>
12320
12321         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
12322         with no elements.
12323
12324         * tree.c (build_function_type_list): Work correctly if there are
12325         no arguments.
12326
12327 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
12328
12329         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
12330         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
12331         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
12332         TARGET_ZARCH instead of TARGET_64BIT.
12333
12334 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
12335
12336         * config/rs6000/t-rtems:
12337         (MULTILIB_OPTIONS): Remove mcpu=602.
12338         (MUTLILIB_DIRNAMES): Remove m602.
12339         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
12340         Let mcpu=602 match mcpu=603.
12341         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
12342
12343 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12344
12345         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
12346         signal trampolines.
12347
12348 2005-02-10  David Daney  <ddaney@avtrex.com>
12349
12350         * config/alpha/linux-unwind.h: Add exception clause to copyright.
12351         * config/i386/linux-unwind.h: Likewise.
12352         * config/ia64/linux-unwind.h: Likewise.
12353         * config/mips/linux-unwind.h: Likewise.
12354         * config/pa/linux-unwind.h: Likewise.
12355         * config/rs6000/linux-unwind.h: Likewise.
12356         * config/s390/linux-unwind.h: Likewise.
12357         * config/sh/linux-unwind.h: Likewise.
12358         * config/sparc/linux-unwind.h: Likewise.
12359
12360 2005-02-10  Steven Bosscher  <stevenb@suse.de>
12361
12362         PR tree-optimization/17549
12363         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
12364         TER to replace a DEF with its expression if the DEF and the
12365         rhs of the expression we replace into have the same root
12366         variable.
12367
12368 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
12369
12370         * config/mips/mips.md: Fix the placement of the match_scratch in the
12371         lea64 peephole2.
12372
12373 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
12374
12375         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
12376         Fix comment typos.
12377
12378 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
12379
12380         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
12381         (strip_offset): Handle addresses.
12382         (add_address_candidates): Use strip_offset.
12383         (difference_cost): Reflect strip_offset change.
12384         (force_var_cost, difference_cost): Strip nops.
12385
12386 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
12387
12388         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
12389
12390         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
12391         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
12392         config/cris/cris-protos.h, config/cris/cris.c: Update
12393         copyright.
12394
12395 2005-02-10  Jeff Law  <law@redhat.com>
12396
12397         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
12398         (lookup_avail_expr): Similarly.
12399
12400 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
12401
12402         * builtins.c (fold_builtin_powi): New function.
12403         (fold_builtin_1): Call it.
12404
12405 2005-02-10  Steven Bosscher  <stevenb@suse.de>
12406
12407         PR documentation/19309
12408         * doc/cpp.texi: The __GNUC__ and related predefined macros
12409         are also defined for the "standalone" cpp.
12410         Some non-GCC compilers may also define __GNUC__.
12411
12412 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
12413
12414         PR c/19342
12415         * c-typeck.c (common_type): New routine.  Old common_type renamed
12416         to...
12417         (c_common_type): ...this.
12418         (build_conditional_expr, build_binary_op): Use c_common_type instead
12419         of common_type.
12420
12421 2005-02-10  Steven Bosscher  <stevenb@suse.de>
12422
12423         * doc/md.texi: Replace @samp{length} with @code{length}.
12424
12425 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
12426
12427         PR tree-optimization/18687
12428         * tree-flow.h (find_loop_niter): Declare.
12429         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
12430         Try using scev even for loops with more than one exit.
12431         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
12432         (struct ivopts_data): Added niters field.
12433         (struct nfe_cache_elt): New.
12434         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
12435         functions.
12436         (tree_ssa_iv_optimize_init): Initialize niters cache.
12437         (determine_number_of_iterations): Removed.
12438         (find_induction_variables): Do not call determine_number_of_iterations.
12439         Access niters for single exit through niter_for_single_dom_exit.
12440         (add_iv_outer_candidates): Access niters for single exit through
12441         niter_for_single_dom_exit.
12442         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
12443         number_of_iterations_cond.
12444         (iv_period): New function.
12445         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
12446         (may_replace_final_value): Take data argument.  Use
12447         niter_for_single_dom_exit.
12448         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
12449         (rewrite_use_compare): Pass data to may_eliminate_iv.
12450         (rewrite_use_outer): Pass data to may_replace_final_value.
12451         (free_loop_data): Clean up the niters cache.
12452         (tree_ssa_iv_optimize_finalize): Free the niters cache.
12453         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
12454         * tree-ssa-loop-niter.c (find_loop_niter): New function.
12455         (find_loop_niter_by_eval): Use tree_int_cst_lt.
12456         (num_ending_zeros): Moved to tree.c.
12457         * tree.h (num_ending_zeros): Declare.
12458         * tree.c (num_ending_zeros): Moved from tree.c.
12459
12460 2005-02-09  Richard Henderson  <rth@redhat.com>
12461
12462         * builtins.c (DEF_BUILTIN): Add COND argument.
12463         * tree.h (DEF_BUILTIN): Likewise.
12464         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
12465         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
12466         match.
12467         (DEF_BUILTIN_STUB): New.
12468         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
12469         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
12470         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
12471         * c-common.c (DEF_BUILTIN): Add COND argument.
12472         * tree.c (local_define_builtin): New.
12473         (build_common_builtin_nodes): New.
12474
12475 2005-02-09  Roger Sayle  <roger@eyesopen.com>
12476
12477         * fold-const.c (fold_strip_sign_ops): New function to simplify a
12478         floating point expression ignoring the sign of the result.
12479         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
12480         (fold) <MULT_EXPR>: Use it to simplify x*x.
12481         * tree.h (fold_strip_sign_ops): Prototype here.
12482         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
12483         argument.  Use fold_strip_sign_ops to simplify the first argument.
12484         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
12485         first argument when the second argument is an even integer
12486         constant, but only with -funsafe_math_optimizations.
12487         (fold_builtin_1): Update call to fold_builtin_copysign.
12488
12489 2005-02-09  Ian Lance Taylor  <ian@airs.com>
12490
12491         PR middle-end/19583
12492         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
12493         just check whether EH_FILTER_FAILURE falls through.
12494
12495 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
12496
12497         * gcc/haifa-sched.c (schedule_block): Make queued sched group
12498         insns return to ready list in the next turn.
12499
12500 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
12501
12502         PR middle-end/19402
12503         * builtins.def: New __builtin_powi[lf].
12504         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
12505         (expand_builtin_powi): New function.
12506         (expand_builtin): Dispatch to expand_builtin_powi.
12507         * libgcc2.h: Add prototypes for __builtin_powi[lf].
12508         * libgcc2.c: Add __builtin_powi[lf] implementation.
12509         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
12510         * optabs.h: Add powi_optab.
12511         * optabs.c (init_optabs): Initialize powi_optab.
12512         * doc/extend.texi: Document __builtin_powi[lf].
12513
12514 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
12515
12516         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
12517         exists.
12518
12519 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
12520
12521         PR middle-end/19854
12522         * fold-const.c (try_move_mult_to_index): Remove redundant
12523         type argument.  Create ADDR_EXPR with correct type.
12524         (fold): Update callers of try_move_mult_to_index.  Convert
12525         result to the appropriate type.
12526
12527 2005-02-09  Roger Sayle  <roger@eyesopen.com>
12528
12529         PR target/19597
12530         * config/avr/avr.c (default_rtx_costs): Delete.
12531         (avr_operand_rtx_cost): New function.
12532         (avr_rtx_costs): Completely rewrite.
12533
12534 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
12535
12536         PR target/19806
12537         * config/cris/cris.c (in_code): New variable.
12538         (cris_output_addr_const): Now a static function, a wrapper for
12539         output_addr_const.
12540         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
12541         case from old cris_output_addr_const.
12542         (cris_asm_output_label_ref): Similar for LABEL_REF.
12543         (cris_output_addr_const_extra): Similar for UNSPEC.
12544         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
12545         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
12546         * config/cris/cris-protos.h (cris_output_addr_const): Remove
12547         declaration.
12548         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
12549         (cris_asm_output_label_ref): Declare.
12550
12551 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
12552
12553         PR preprocessor/19801
12554         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
12555         filenames that changed when libcpp was moved to the toplevel.
12556
12557 2005-02-07  Roger Sayle  <roger@eyesopen.com>
12558
12559         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
12560         zero extensions of BImode operands.  Call lowpart_subreg instead
12561         of gen_lowpart_common and gen_lowpart_SUBREG.
12562
12563 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
12564
12565         PR ada/19489
12566         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
12567         * configure.ac: Set cc_for_cross_gnattools.
12568         * configure: Regenerate.
12569
12570 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
12571
12572         PR target/19803
12573         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
12574
12575 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
12576
12577         PR debug/19327
12578         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
12579         of nested functions.
12580
12581 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
12582
12583         * doc/extend.texi: Document deprecated extensions allowing
12584         static floating-point members to have initializers and allowing
12585         floating-point literals in integral constant expressions.
12586
12587 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
12588
12589         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
12590         config/darwin7.h, config/mips/mips.c,
12591         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
12592         Update copyright.
12593
12594         * cse.c: Update comments.
12595
12596 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
12597
12598         PR middle-end/19775
12599         * builtins.c (fold_builtin_sqrt): Transform
12600         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
12601         pow(x,y*0.5).
12602
12603 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
12604             Dorit Naishlos  <dorit@il.ibm.com>
12605
12606         * doc/invoke.texi (ftree-vectorizer-verbose): New.
12607         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
12608         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
12609         was added.
12610         * tree.h (vect_set_verbosity_level): New extern function declaration
12611         added.
12612         * tree-vectorizer.h (verbosity_levels): New enum type.
12613         * tree-vectorizer.c (vect_debug_stats): Function removed.
12614         (vect_debug_details): Likewise.
12615         (vect_verbosity_level): Global variable was defined and initialized.
12616         (vect_dump): Global variable definition.
12617         (vect_print_dump_info): New function.
12618         (vect_set_dump_settings): New function.
12619         (vect_set_verbosity_level): New function.
12620         (vectorize_loops): Add call to vect_set_dump_settings.
12621
12622         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
12623         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
12624         (slpeel_tree_peel_loop_to_edge): Likewise.
12625
12626         (vect_analyze_offset_expr): Call to vect_print_dump_info with
12627         appropriate verbosity level instead of call to vect_debug_details
12628         or vect_debug_stats.
12629         (vect_get_base_and_offset):
12630         (vect_create_addr_base_for_vector_ref):
12631         (get_vectype_for_scalar_type):
12632         (vect_create_data_ref_ptr):
12633         (vect_init_vector):
12634         (vect_get_vec_def_for_operand):
12635         (vect_finish_stmt_generation):
12636         (vectorizable_assignment):
12637         (vectorizable_operation):
12638         (vectorizable_store):
12639         (vectorizable_load):
12640         (vect_transform_stmt):
12641         (vect_update_ivs_after_vectorizer):
12642         (vect_do_peeling_for_loop_bound):
12643         (vect_update_inits_of_drs):
12644         (vect_do_peeling_for_alignment):
12645         (vect_transform_loop):
12646         (vect_is_simple_use):
12647         (vect_analyze_operations):
12648         (vect_is_simple_iv_evolution):
12649         (vect_analyze_scalar_cycles):
12650         (vect_analyze_data_ref_dependence):
12651         (vect_analyze_data_ref_dependences):
12652         (vect_compute_data_ref_alignment):
12653         (vect_enhance_data_refs_alignment):
12654         (vect_analyze_data_refs_alignment):
12655         (vect_analyze_data_ref_access):
12656         (vect_analyze_data_ref_accesses):
12657         (vect_analyze_pointer_ref_access):
12658         (vect_get_memtag_and_dr):
12659         (vect_analyze_data_refs):
12660         (vect_mark_relevant):
12661         (vect_stmt_relevant_p):
12662         (vect_mark_stmts_to_be_vectorized):
12663         (vect_can_advance_ivs_p):
12664         (vect_get_loop_niters):
12665         (vect_analyze_loop_form):
12666         (vect_analyze_loop):
12667         (vectorize_loops): Likewise.
12668
12669         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
12670         (vect_update_inits_of_drs):
12671         (vect_do_peeling_for_alignment):
12672         (vect_transform_loop):
12673         (vect_analyze_operations):
12674         (vect_analyze_scalar_cycles):
12675         (vect_analyze_data_ref_dependences):
12676         (vect_analyze_data_refs_alignment):
12677         (vect_analyze_data_ref_accesses):
12678         (vect_analyze_data_refs):
12679         (vect_mark_stmts_to_be_vectorized):
12680         (vect_get_loop_niters):
12681         (vect_analyze_loop_form):
12682         (vect_analyze_loop): Likewise.
12683         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
12684
12685 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
12686
12687         PR bootstrap/19796
12688         Revert:
12689         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
12690         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
12691         either -ffast-math or -funsafe-math-optimizations is in use.
12692
12693         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
12694         * config/mips/irix-csr.c: New file.
12695         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
12696         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
12697         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
12698         executables.
12699
12700 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
12701
12702         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
12703         redundant, incorrect definitions.
12704
12705         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
12706         expand.
12707         ("*tls_indirect_call"): New, reference hard regs directly.
12708         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
12709
12710 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
12711
12712         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
12713         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
12714
12715 2005-02-06  Roger Sayle  <roger@eyesopen.com>
12716
12717         PR rtl-optimization/19800
12718         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
12719         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
12720         gen_lowpart.
12721
12722 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
12723
12724         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
12725
12726 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
12727
12728         PR other/17135
12729         * doc/invoke.texi: Correct documentation of -freorder-functions.
12730
12731 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
12732
12733         PR other/14402
12734         * doc/invoke.texi: Don't mention gccbug.
12735
12736 2005-02-06  Roger Sayle  <roger@eyesopen.com>
12737             Andrew Pinski  <pinskia@physics.uc.edu>
12738             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
12739
12740         * simplify-rtx.c (simplify_relational_operation_1): Simplify
12741         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
12742         into just (zero_extract:SI FOO (const_int 1) BAR).
12743
12744 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
12745
12746         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
12747         macro locally.  Don't give last revision date.  Use GCC version
12748         number from gcc-common.texi.
12749         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
12750         revision date.  Use GCC version number from gcc-common.texi.
12751         Describe being a library as current state rather than as 3.x
12752         history.
12753         * doc/gcc.texi: Remove last update date.
12754         * doc/gccint.texi: Likewise.  Update copyright dates.
12755         * doc/install.texi: Update copyright dates.
12756
12757 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
12758
12759         PR other/7549
12760         * doc/invoke.texi: Mention for each option included in -Wall that
12761         it is included in -Wall.
12762         * doc/gcc.texi: Update copyright and last modification date.
12763
12764 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
12765
12766         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
12767         unnecessary cast to original induction variable increments.
12768
12769 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
12770
12771         PR tree-optimization/18219
12772         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
12773         in distributed form.
12774
12775 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
12776
12777         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
12778         Set bitpos and offset later in the function.  Do nothing if the
12779         target is a register and if the bitfield lies completely outside
12780         that register.
12781         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
12782         here.  Return an uninitialised register if the source value is stored
12783         in a register and the bitfield lies completely outside that register.
12784
12785 2005-02-06  Steven Bosscher  <stevenb@suse.de>
12786
12787         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
12788         not SET_DEST.
12789
12790 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
12791
12792         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
12793
12794 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
12795
12796         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
12797         * config/darwin8.h: New.
12798         * config/darwin7.h: Update comment.
12799
12800 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
12801             Dorit Naishlos  <dorit@il.ibm.com>
12802
12803         * tree-vectorizer.h (LOC): New type.
12804         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
12805         (loop_line_number): New field in struct _loop_vec_info.
12806         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
12807
12808         * tree-vectorizer.c (input.h): Included.
12809         (find_loop_location): New function.
12810         (vect_debug_stats): Argument changed from loop to LOC. Computation of
12811         loop line number removed.
12812         (vect_debug_details): Likewise.
12813         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
12814
12815         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
12816         call to vect_debug_details/stats changed from loop to loop_loc.
12817         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
12818         (slpeel_tree_peel_loop_to_edge): Likewise.
12819
12820         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
12821         changed from NULL to UNKNOWN_LOC.
12822         (vect_get_base_and_offset):
12823         (vect_create_addr_base_for_vector_ref):
12824         (get_vectype_for_scalar_type):
12825         (vect_create_data_ref_ptr):
12826         (vect_init_vector):
12827         (vect_get_vec_def_for_operand):
12828         (vect_finish_stmt_generation):
12829         (vectorizable_assignment):
12830         (vectorizable_operation):
12831         (vectorizable_store):
12832         (vectorizable_load):
12833         (vect_transform_stmt):
12834         (vect_update_ivs_after_vectorizer):
12835         (vect_do_peeling_for_loop_bound):
12836         (vect_do_peeling_for_alignment):
12837         (vect_transform_loop):
12838         (vect_is_simple_use):
12839         (vect_analyze_operations):
12840         (vect_is_simple_iv_evolution):
12841         (vect_analyze_scalar_cycles):
12842         (vect_analyze_data_ref_dependences):
12843         (vect_compute_data_ref_alignment):
12844         (vect_enhance_data_refs_alignment):
12845         (vect_analyze_data_ref_access):
12846         (vect_analyze_data_ref_accesses):
12847         (vect_analyze_pointer_ref_access):
12848         (vect_get_memtag_and_dr):
12849         (vect_analyze_data_refs):
12850         (vect_mark_relevant):
12851         (vect_stmt_relevant_p):
12852         (vect_mark_stmts_to_be_vectorized):
12853         (vect_can_advance_ivs_p):
12854         (vect_get_loop_niters):
12855         (vect_analyze_loop):
12856         (vectorize_loops): Likewise.
12857
12858         (vectorizable_load): Argument in call to vect_debug_details/stats
12859         changed from loop to LOOP_LOC (loop_vinfo).
12860         (vect_transform_loop):
12861         (vect_analyze_operations):
12862         (vect_analyze_scalar_cycles):
12863         (vect_analyze_data_ref_dependence):
12864         (vect_enhance_data_refs_alignment):
12865         (vect_analyze_data_ref_accesses):
12866         (vect_analyze_pointer_ref_access):
12867         (vect_analyze_data_refs):
12868         (vect_analyze_loop): Likewise.
12869
12870         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
12871         changed from loop to loop_loc.
12872
12873         (vect_enhance_data_refs_alignment): Removed unused variable loop.
12874
12875 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
12876             Dorit Naishlos  <dorit@il.ibm.com>
12877
12878         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
12879         declaration added.
12880         (vect_analyze_data_ref_dependences): Likewise.
12881
12882         (vect_is_simple_use): Argument changed from loop structure to
12883         loop_vect_info structure.
12884         (vect_can_advance_ivs_p): Likewise.
12885         (vect_create_index_for_vector_ref): Likewise.
12886         (vect_update_ivs_after_vectorizer): Likewise.
12887         (new_stmt_vec_info): Likewise.
12888
12889         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
12890         changed from loop to loop_vinfo.
12891         (vect_create_data_ref_ptr): First argument in call to
12892         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
12893         (vectorizable_assignment): Second argument in call to vect_is_simple_use
12894         was changed from loop to loop_vinfo.
12895         (vectorizable_operation): Likewise.
12896         (vectorizable_store): Likewise.
12897         (vect_mark_stmts_to_be_vectorized): Likewise.
12898         (vect_do_peeling_for_loop_bound): First argument in call to
12899         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
12900         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
12901         was changed from loop to loop_vinfo.
12902         (vect_analyze_data_ref_dependences): Third argument in call to
12903         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
12904
12905         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
12906         (vect_create_data_ref_ptr): Likewise.
12907         (vect_init_vector): Likewise.
12908         (vect_get_vec_def_for_operand): Likewise.
12909         (vectorizable_assignment): Likewise.
12910         (vectorizable_operation): Likewise.
12911         (vectorizable_store): Likewise.
12912         (vectorizable_load): Likewise.
12913         (vect_update_ivs_after_vectorizer): Likewise.
12914         (vect_is_simple_use): Likewise.
12915         (vect_analyze_data_ref_dependence): Likewise.
12916         (vect_analyze_pointer_ref_access): Likewise.
12917         (vect_can_advance_ivs_p): Likewise.
12918
12919         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
12920         before _stmt_vec_info.
12921         (_stmt_vec_info): Loop field replaced by loop_vec_info.
12922         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
12923         (new_stmt_vec_info): Argument changed from loop structure to
12924         loop_vect_info structure
12925
12926         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
12927         (vect_analyze_offset_expr): Avoid 80 columns overflow.
12928         (vect_create_addr_base_for_vector_ref): Likewise.
12929         (vect_analyze_pointer_ref_access): Likewise.
12930
12931 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
12932
12933         PR tree-opt/19768
12934         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
12935         phi flag if the phi is abnormal.
12936
12937 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
12938
12939         PR tree-opt/19736
12940         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
12941         information for the new statement.
12942
12943 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
12944
12945         PR driver/19117
12946         * gcc.c (main): Include the target in -v output.
12947
12948 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
12949
12950         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
12951         Do not drop the extend if we'd have to add a paradoxical subreg
12952         later.  Include optabs.h and insn-codes.h.
12953         * Makefile.in (combine.o): Depend on $(OPTABS_H).
12954
12955 2005-02-02  Roger Sayle  <roger@eyesopen.com>
12956
12957         PR middle-end/19405
12958         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
12959         * fold-const.c (const_binop): Avoid constant folding floating
12960         point operations in modes that use composite representations.
12961         * simplify-rtx.c (simplify_binary_operation): Likewise.
12962
12963 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
12964
12965         * config/rs6000/altivec.md (altivec_dst): Make the first operand
12966         a REG, not a MEM.
12967         (altivec_dstt): Likewise.
12968         (altivec_dstst): Likewise.
12969         (altivec_dststt): Likewise.
12970         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
12971         of first operand.
12972
12973 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
12974
12975         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
12976         EXPR_LOCUS from orig_cond to the new cond_stmt.
12977         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
12978         the new vec_stmt.
12979
12980 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
12981
12982         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
12983         standard_iv_increment_position. Remove call to bsi_next
12984         (no need to bump the iterator anymore).
12985         (vect_create_index_for_vector_ref): Call
12986         standard_iv_increment_position. Remove second function argument.
12987         (vect_finish_stmt_generation): Remove call to bsi_next
12988         (no need to bump the iterator anymore).
12989         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
12990         to vect_create_index_for_vector_ref.
12991
12992 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
12993
12994         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
12995         phis are used out of the loop.
12996
12997 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
12998
12999         PR c/17807
13000         * c-decl.c (undef_nested_function): New variable.
13001         (pop_scope): Diagnose undefined nested functions.
13002         (finish_function): Don't attempt cgraph processing or genericizing
13003         if current top-level function contained an undefined nested
13004         function.  Reset undef_nested_function at the end of a top-level
13005         function.
13006
13007 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
13008
13009         * tree.c (build_int_cst_type): Take sign of the value into account
13010         when deciding whether sign extend the value.
13011
13012 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
13013
13014         PR c/18502
13015         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
13016         (cpp_options, cc1_options): Change %{std*&ansi} to
13017         %{std*&ansi&trigraphs}.
13018
13019 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
13020
13021         * cse.c: Update comments.
13022
13023 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
13024
13025         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
13026         arguments go on the stack.  Do not put complex doubles in odd/even
13027         pairs.
13028
13029 2005-02-02  Steven Bosscher  <stevenb@suse.de>
13030
13031         * doc/invoke.texi: Update the options enabled at -O1, -O2,
13032         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
13033         -ftree-pre, and -fthread-jumps.
13034
13035 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
13036
13037         PR tree-optimization/19578
13038         * tree-flow.h (modified_noreturn_calls): Declare.
13039         (noreturn_call_p): Declare.
13040         * tree-flow-inline.h (noreturn_call_p): New function.
13041         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
13042         * tree-cfg.c (modified_noreturn_calls): New variable.
13043         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
13044         that contain a mid-block noreturn call.
13045         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
13046
13047 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
13048
13049         * df.c (df_def_record_1, df_uses_record): Don't use
13050         DF_FOR_REGALLOC.
13051         * df.h (DF_FOR_REGALLOC): Remove.
13052
13053 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
13054
13055         PR c/19435
13056         * c-typeck.c (really_start_incremental_init): Reset
13057         constructor_max_index for arrays of incomplete type.
13058
13059 2005-02-02  Jeff Law  <law@redhat.com>
13060
13061         * gcse.c (struct reg_set): Store the block index where the register
13062         was set rather than the setting insn.
13063         (record_one_set, compute_transp): Corresponding changes.
13064         (pre_insert_copy_insn): Do not call replace_one_set.
13065         (replace_one_set): Remove.
13066
13067 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
13068
13069         PR other/15514
13070         * doc/gcov.texi: Fix typo.
13071
13072 2005-02-01  Richard Henderson  <rth@redhat.com
13073
13074         PR target/19680
13075         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
13076         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
13077         type to bool.
13078         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
13079         * config/i386/i386-protos.h: Update.
13080
13081 2005-02-01  Steven Bosscher  <stevenb@suse.de>
13082
13083         PR tree-optimization/19217
13084         * tree-cfg.c (verify_expr): Use the data field to see if TP was
13085         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
13086         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
13087         that it is walking a PHI node.
13088
13089 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
13090
13091         * doc/extend.texi (Nested Functions): Update.
13092
13093 2005-02-01  Richard Henderson  <rth@redhat.com>
13094
13095         PR 19696
13096         * optabs.c (expand_copysign_absneg): Export.
13097         * optabs.h (expand_copysign_absneg): Declare.
13098         * config/rs6000/rs6000.md (copysigntf3): New.
13099
13100 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
13101
13102         PR tree-optimization/19633
13103         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
13104         * tree-ssa-alias.c (init_alias_info): Initialize.
13105         (merge_pointed_to_info): Set.
13106         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
13107         (dump_points_to_info_for): Show value of pt_null.
13108         (struct count_ptr_d): Declare.
13109         (find_ptr_dereference): Remove.
13110         (ptr_is_dereferenced_by): Remove.
13111         (count_ptr_derefs): New local function.
13112         (count_uses_and_derefs): New local function.
13113         (compute_points_to_and_addr_escape): Call it.  If the number
13114         of dereferences is greater than zero, mark the pointer as
13115         dereferenced.  If there are fewer dereferences than uses of
13116         the pointer, the pointer's value escapes.
13117
13118 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
13119
13120         PR tree-optimization/19670
13121         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
13122         here...
13123         (verify_use): ... set it here, instead.
13124
13125 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
13126
13127         * doc/sourcebuild.texi (Test directives): Fix formatting.
13128
13129         * doc/sourcebuild.texi (Test directives): Describe selector
13130         expressions.
13131
13132 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
13133
13134         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
13135         specific 64-bit CPUs.
13136
13137 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
13138
13139         PR target/16201
13140         * arm.c (arm_eliminable_register): New function.
13141         (adjacent_mem_locations): Don't allow eliminable registers.  Use
13142         HOST_WIDE_INT for address offsets.
13143         * arm-protos.h (arm_eliminable_register): Add prototype.
13144
13145 2005-02-01  Steven Bosscher  <stevenb@suse.de>
13146
13147         PR optimization/15242
13148         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
13149         * basic-block.h (duplicate_computed_gotos): Add prototype.
13150         * bb-reorder.c (duplicate_computed_gotos): New function to
13151         duplicate sufficiently small blocks ending in a computed jump.
13152         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
13153         if not optimizing for size.
13154         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
13155         never do tail merging for blocks ending in a computed jump.
13156         * doc/invoke.texi: Document the max-goto-duplication-insns param.
13157
13158 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
13159
13160         Patch from Richard Sandiford <rsandifo@redhat.com>
13161         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
13162         from inheriting a subreg equivalence with a non-spill register.
13163
13164         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
13165
13166 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
13167
13168         * config/frv/frv.c (movcc_fp_destination_operand): New.
13169         (gpr_or_memory_operand): Fix typo in comment.
13170         (gpr_or_memory_operand_with_scratch): New.
13171         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
13172         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
13173         movcc_fp_destination_operand.
13174         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
13175         Legitimize memory addresses using a scratch register.
13176
13177 2005-01-31  Jeff Law  <law@redhat.com>
13178
13179         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
13180         bitmap a sparse bitmap instead of a simple bitmap.
13181         (mark_def_sites_initialize_block):  Corresponding changes.
13182         (ssa_mark_def_sites_initialize_block): Likewise.
13183         (ssa_mark_phi_uses): Likewise.
13184         (mark_def_site, ssa_mark_def_sites): Likewise.
13185         (mark_def_site_blocks): Likewise.
13186         (rewrite_ssa_into_ssa): Likewise.
13187
13188         * tree-ssa-dom.c (record_cond): Pass correct variable type
13189         for last argument to htab_find_slot_with_hash.
13190
13191         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
13192         effects when optimizing 0 % X.  Do not try to optimize X % 0.
13193
13194 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
13195
13196         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
13197         1_mmalua.
13198
13199 2005-02-01  Eric Christopher  <echristo@redhat.com>
13200
13201         * config/mips/mips.c (override_options): Warn if -mint64
13202         is used.
13203         * doc/invoke.texi (MIPS Options): Document that -mint64 is
13204         deprecated.
13205
13206 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
13207
13208         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
13209         timestamp.
13210         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
13211         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
13212         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
13213         (cached_regno): Initialize to INVALID_REGNUM.
13214         (cse_reg_info_table_size,
13215         cse_reg_info_table_first_uninitialized,
13216         cse_reg_info_timestamp): New.
13217         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
13218         get_cse_reg_info.
13219         (init_cse_reg_info, get_cse_reg_info_1): New.
13220         (get_cse_reg_info): Cache the last look-up.
13221         (new_basic_block): Update the code to clear mappings from
13222         registers to cse_reg_info entries.
13223         (cse_main): Call init_cse_reg_info.
13224
13225         * cse.c (get_cse_reg_info): Update a comment.
13226
13227 2005-01-31  Steven Bosscher  <stevenb@suse.de>
13228
13229         PR c/19333
13230         * c-decl.c (start_decl): Do not warn about arrays of elements with
13231         an incomplete type here.
13232         (grokdeclarator): Do it here by making a pedwarn an error.
13233         * c-typeck.c (push_init_level): If there were previous errors with
13234         the constructor type, do not warn about braces for initializers.
13235         (process_init_element): Likewise for excess initializer elements.
13236
13237 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
13238
13239         * cse.c (delete_trivially_dead_insn): Don't iterate.
13240
13241 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
13242
13243         * config/rs6000/rs6000.md (copysignsf3): New expand.
13244         (copysigndf3): Likewise.
13245
13246 2005-01-31  Steven Bosscher  <stevenb@suse.de>
13247
13248         * recog.c (constrain_operands): Only look for earlyclobber operand
13249         conflicts if an '&' constraint was seen.
13250
13251 2005-01-31  Marc Espie <espie@openbsd.org>
13252
13253         * config.gcc: Don't include embedded systems fragment, switches default
13254         debugging format to ELF.
13255         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
13256         longer pick it up there.
13257
13258 2005-01-31  Dale Johannesen  <dalej@apple.com>
13259
13260         * doc/extend.texi (nested functions): Fix linkage description.
13261         Clarify that static is not allowed.
13262
13263 2005-01-31  Dale Johannesen  <dalej@apple.com>
13264
13265         * config/rs6000/darwin.md (movsf_low_di):  Make work.
13266         (movdf_low_di):  Make work.
13267
13268 2005-01-31  Dale Johannesen  <dalej@apple.com>
13269
13270         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
13271         Make work for 64 bit.
13272
13273 2005-01-31  Roger Sayle  <roger@eyesopen.com>
13274             Dale Johannesen  <dalej@apple.com>
13275
13276         PR middle-end/19650
13277         * fold-const.c (fold_binary_op_with_conditional_arg):
13278         Make types match original operands, before STRIP_NOPS.
13279
13280 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
13281
13282         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
13283         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
13284         (struct gcc_sigcontext): Delete.  Merge contents to..
13285         (struct gcc_ucontext): ..here.
13286         (get_sigcontext): Delete.
13287         (get_regs): New function, like get_sigcontext but return regs ptr.
13288         64-bit version finds regs from r1 to support vdso.
13289         (ppc_linux_aux_vector): New function.
13290         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
13291         and vector regs.
13292
13293 2005-01-31  Ira Rosen  <irar@il.ibm.com>
13294
13295         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
13296         sizetype.
13297         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
13298         redundant fold. Fix misalignment for MINUS_EXPR.
13299         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
13300         (vect_analyze_pointer_ref_access): Likewise.
13301         (vect_get_memtag_and_dr): Likewise.
13302
13303 2005-01-31  Richard Henderson  <rth@redhat.com>
13304
13305         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
13306         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
13307         absnegdf2_i387, absnegxf2_i387): Likewise.
13308
13309 2005-01-31  Richard Henderson  <rth@redhat.com>
13310
13311         PR 19696
13312         * optabs.c (expand_copysign_absneg): New.
13313         (expand_copysign_bit): Split out from ...
13314         (expand_copysign): ... here.  Use expand_copysign_absneg.
13315
13316 2005-01-30  Roger Sayle  <roger@eyesopen.com>
13317
13318         PR middle-end/19697
13319         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
13320         constant as the second operand and a register as the third.
13321
13322 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
13323
13324         PR target/19704
13325         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
13326         that dllimport'd functions do not use all call-clobbered registers
13327         to pass parameters.
13328
13329 2005-01-30  Richard Henderson  <rth@redhat.com>
13330
13331         PR 19696
13332         * optabs.c (expand_absneg_bit): Split out from expand_unop and
13333         expand_abs_nojump and generalize.  Use operand_subword and
13334         emit_no_conflict_block.  Support large modes.
13335         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
13336         back to maximum.
13337         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
13338         negation to subtraction.
13339         (expand_copysign): Check that the format has signed zeros.
13340         Use operand_subword and emit_no_conflict_block.  Support large modes.
13341
13342 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
13343
13344         Fix PR tree-optimization/19624
13345
13346         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
13347         * tree-ssa-pre.c: Add cfgloop.h.
13348         Update comment.
13349         (pre_stats): New member, constified.
13350         (inserted_exprs): New static variable.
13351         (NECESSARY): New macro.
13352         (create_expression_by_pieces): Fold the expression, and
13353         mark it as defaulting to not necessary. Also put in
13354         inserted_exprs.
13355         (fully_constant_expression): New function.
13356         (insert_into_preds_of_block): Modify to not insert phis when we
13357         are playing with induction variables.
13358         Push phis onto the inserted_exprs vector, and mark them as not
13359         necessary by default.
13360         (insert_aux): Call fully_constant_expression on eprime.
13361         If all edges produce the same value, mark it constant.
13362         (mark_operand_necessary): New function.
13363         (remove_dead_inserted_code): New function.
13364         (init_pre): Init loop optimizer to get loop info.
13365         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
13366         (execute_pre): Commit edge inserts, then remove dead code.
13367
13368 2005-01-30  Richard Henderson  <rth@redhat.com>
13369
13370         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
13371         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
13372
13373 2005-01-30  Richard Henderson  <rth@redhat.com>
13374
13375         PR target/19700
13376         * config/i386/i386.c (ix86_expand_copysign): New.
13377         (ix86_split_copysign_const): New.
13378         (ix86_split_copysign_var): Rename from ix86_split_copysign,
13379         rearrange op1/nmask operands.
13380         * config/i386/i386-protos.h: Update.
13381         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
13382         (copysigndf3): Likewise.
13383         (copysignsf3_const, copysigndf3_const): New.
13384         (copysignsf3_var): Rename from copysignsf3, split out splitter
13385         and fix split predicate for X constraint.
13386         (copysigndf3_var): Similarly.
13387
13388 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
13389
13390         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
13391         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
13392         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
13393
13394 2005-01-29  Richard Henderson  <rth@redhat.com>
13395
13396         PR target/19690
13397         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
13398         of # and * in constraints.
13399
13400 2005-01-29  Richard Henderson  <rth@redhat.com>
13401
13402         PR middle-end/19689
13403         * expr.c (store_field): Don't strip sub-mode cast when the input
13404         data is even smaller.
13405
13406 2005-01-29  Richard Henderson  <rth@redhat.com>
13407
13408         PR middle-end/19687
13409         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
13410         union being empty.
13411
13412 2005-01-29  Richard Henderson  <rth@redhat.com>
13413
13414         * combine.c (make_field_assignment): Fix argument order
13415         to gen_int_mode.
13416
13417 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
13418
13419         PR tree-optimization/15791
13420         * fold-const.c (extract_array_ref): New function.
13421         (fold): Fold comparisons between &a[i] and &a[j] or
13422         semantically equivalent trees.
13423
13424 2005-01-29  Jeff Law  <law@redhat.com>
13425
13426         * gcse.c (insert_expr_in_table): Revamp handling of available
13427         and anticipatable occurrence lists to avoid unnecessary list
13428         walking.
13429         (insert_set_in_table): Similarly.
13430
13431 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
13432
13433         * c-common.c (fix_string_type): Just use c_build_qualified_type to
13434         build string type.
13435         (c_build_qualified_type): Build qualified array types with
13436         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
13437         * c-decl.c (c_make_fname_decl): Build unqualified array type
13438         before qualified type.
13439         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
13440         type is qualified, not just if type itself is.  Don't apply
13441         qualifiers to array type when declarator is processed.  Apply
13442         qualifiers to field type whether or not it is an array type.
13443         Don't handle array types specially for applying qualifiers to
13444         variables.
13445         * c-typeck.c (composite_type): Build unqualified element type and
13446         array type when forming composite of array types.
13447         (common_pointer_type, comptypes, comp_target_types,
13448         type_lists_compatible_p, build_indirect_ref, build_array_ref,
13449         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
13450         types.
13451         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
13452         (args2) in variables a1 and a2.
13453
13454 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
13455
13456         * cse.c (n_elements_made, max_elements_made): Remove.
13457         (insert): Don't touch n_elements_made.
13458         (cse_main): Don't touch n_elements_made or max_elements_made.
13459
13460 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
13461
13462         PR target/15384
13463         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
13464         configuration part of dp-bit.c to be lost.
13465
13466 2005-01-28  Roger Sayle  <roger@eyesopen.com>
13467
13468         * expmed.c (expand_mult_highpart_optab): When attempting to use
13469         a non-widening multiplication in a wider mode, the operands need
13470         to be converted (zero or sign extended) to that mode.
13471
13472 2005-01-28  Ian Lance Taylor  <ian@airs.com>
13473
13474         PR middle-end/16558
13475         PR middle-end/19583
13476         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
13477         through if both operands fall through.
13478
13479 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
13480
13481         * cse.c (fold_rtx) <PC>: Don't optimize.
13482
13483 2005-01-28  Jeff Law  <law@redhat.com>
13484
13485         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
13486         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
13487
13488 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
13489
13490         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
13491         cse_reg_info_used_list_end): Remove.
13492         (cse_reg_info_list, cse_reg_info_list_free): New.
13493         (get_cse_reg_info): When allocating an instance of
13494         cse_reg_info, add it to the beginning of the cse_reg_info_list
13495         list.  Remove code to maintain cse_reg_info_used_list.
13496         (new_basic_block): Reset the free list to the beginning of
13497         cse_reg_info_list.
13498
13499 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
13500
13501         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
13502         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
13503         (frv_expand_mdpackh_builtin): New function.
13504         (frv_expand_builtin): Use it to expand __MDPACKH.
13505         * doc/extend.texi (__MDPACKH): Update documentation.
13506
13507 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
13508
13509         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
13510         SSE_FLOAT_MODE_P for use_sse computation.
13511
13512 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
13513
13514         PR target/19663
13515         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
13516
13517 2005-01-27  Richard Henderson  <rth@redhat.com>
13518
13519         * builtins.c (expand_builtin_copysign): New.
13520         (expand_builtin): Call it.
13521         * genopinit.c (optabs): Add copysign_optab.
13522         * optabs.c (init_optabs): Initialize it.
13523         (expand_copysign): New.
13524         * optabs.h (OTI_copysign, copysign_optab): New.
13525         (expand_copysign): Declare.
13526
13527         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
13528         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
13529
13530         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
13531         (ix86_expand_fp_absneg_operator): ... here.
13532         (ix86_split_copysign): New.
13533         * config/i386/i386-protos.h: Update.
13534         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
13535         (copysignsf3, copysigndf3): New.
13536
13537         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
13538         (copysignsf3, ncopysignsf3): New.
13539         (copysigndf3, ncopysigndf3): New.
13540         (copysignxf3, ncopysignxf3): New.
13541         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
13542
13543 2005-01-27  Arend Bayer  <arend.bayer@web.de>
13544             Kazu Hirata  <kazu@cs.umass.edu>
13545
13546         * cse.c: (find_best_addr): Don't call copy_rtx before calling
13547         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
13548         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
13549         NULL_RTX.
13550
13551 2005-01-27  Jeff Law  <law@redhat.com>
13552
13553         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
13554         definitions of SSA_NAMEs which are not being rewritten.
13555         (rewrite_ssa_into_ssa): Only initialize the current definition
13556         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
13557         If checking is enabled, assert that SSA_NAME_AUX is clear for all
13558         SSA_NAMEs before returning.
13559
13560 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
13561
13562         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
13563         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
13564         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
13565         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
13566         config/mips/iris6.h, config/sh/sh.c: Update copyright.
13567
13568 2005-01-27  Steven Bosscher  <stevenb@suse.de>
13569
13570         PR middle-end/17278
13571         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
13572         higher to -O2 and higher.  Likewise for tree PRE.
13573         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
13574         and better.
13575
13576 2005-01-27  Ian Lance Taylor  <ian@airs.com>
13577
13578         PR middle-end/19583
13579         * gimple-low.c (try_catch_may_fallthru): New static function.
13580         (block_may_fallthru): Handle TRY_CATCH_EXPR.
13581         * tree-inline.c (expand_call_inline): Don't warn about reaching
13582         the end of a non-void function being inlined if the function uses
13583         a return slot.
13584
13585 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
13586
13587         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
13588
13589         PR c/18946
13590         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
13591         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
13592         (implicitly_declare): Handle error_mark_node.
13593
13594 2005-01-27  Richard Henderson  <rth@redhat.com>
13595
13596         PR tree-opt/14329
13597         * tree.h (struct tree_decl): Add debug_expr_is_from.
13598         (DECL_DEBUG_EXPR_IS_FROM): New.
13599         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
13600         * dwarf2out.c (dwarf2out_var_location): Update to match.
13601         * tree-outof-ssa.c (create_temp): Likewise.
13602         * var-tracking.c (track_expr_p): Likewise.
13603         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
13604         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
13605         * toplev.c (default_tree_printer): Likewise.
13606
13607 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
13608
13609         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
13610         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
13611
13612 2005-01-27  Steven Bosscher  <stevenb@suse.de>
13613
13614         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
13615         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
13616         ASM_CLOBBERS): Add tree checks.
13617
13618         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
13619         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
13620         * c-common.def (SWITCH_STMT): Update to match.
13621         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
13622         macros instead of SWITCH_EXPR ones.
13623         * c-dump.c (c_dump_tree): Likewise.
13624         * c-gimplify.c (gimplify_switch_stmt): Likewise.
13625         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
13626
13627         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
13628
13629 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
13630
13631         * unwind-dw2.c (execute_stack_op): Add missing cases for
13632         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
13633
13634 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
13635
13636         * config.gcc (Obsolete configurations): Remove 'dummy', add
13637         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
13638         sparc-*-openbsd*.
13639
13640 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
13641
13642         PR tree-optimization/19633
13643         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
13644         CALL_EXPRs.
13645         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
13646         are no call-clobbered variables.
13647         * tree-outof-ssa.c (check_replaceable): Return false for calls
13648         with side-effects.
13649
13650 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
13651
13652         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
13653         even for variables with NULL DECL_INITIAL.
13654
13655 2005-01-26  Stuart Hastings  <stuart@apple.com>
13656
13657         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
13658
13659 2005-01-26  Richard Henderson  <rth@redhat.com>
13660
13661         PR middle-end/18008
13662         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
13663         field's type.
13664         * expr.c (store_field): Strip conversions to odd-bit-sized types
13665         if the destination field width matches.
13666
13667 2005-01-26  Richard Henderson  <rth@redhat.com>
13668
13669         * c-decl.c, expmed.c, expr.c: Revert last change.
13670
13671 2005-01-26  Richard Henderson  <rth@redhat.com>
13672
13673         PR middle-end/18008
13674         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
13675         field's type.
13676         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
13677         if we don't need the bits above those present in the current mode.
13678         * expr.c (store_field): Strip conversions to odd-bit-sized types
13679         if the destination field width matches.
13680
13681 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
13682
13683         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
13684         either -ffast-math or -funsafe-math-optimizations is in use.
13685
13686 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
13687
13688         PR target/19293
13689         PR target/19329
13690         * config/avr/avr.c (notice_update_cc): Only set condition code for
13691         ashrqi3 if shift count > 0.
13692         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
13693         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
13694         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
13695         count <= 0 as a no-op, and shift count >= width by copying zero
13696         or sign bit to all bits of the result.
13697         * config/avr/avr.md (all shifts): Add alternatives for zero shift
13698         count, with attribute "length" set to 0 and "cc" set to "none".
13699
13700 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
13701
13702         * doc/invoke.texi: Document -mTLS.
13703
13704         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
13705         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
13706         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
13707         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
13708         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
13709         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
13710         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
13711         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
13712
13713         * configure.ac: Check for a TLS capable gas.
13714
13715         * configure: Regenerate.
13716
13717 2005-01-26  Richard Henderson  <rth@redhat.com>
13718
13719         PR middle-end/18008
13720         * combine.c (make_field_assignment): Simplify store to zero_extract
13721         from a source with an overlapping mask.
13722
13723 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
13724
13725         2004-11-11  Eric Christopher  <echristo@redhat.com>
13726
13727         * config/frv/frv.md: Add fr400_integer automaton. Don't
13728         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
13729         to TYPE_MACC.
13730
13731 2005-01-26  Steven Bosscher  <stevenb@suse.de>
13732
13733         PR middle-end/16585
13734         * cfgbuild.c (make_edges): Do not clear or set
13735         current_function_has_computed_jump.
13736         * function.h (struct function): Remove the has_computed_jump field.
13737         (current_function_has_computed_jump): Do not define.
13738         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
13739         in a computed jump.  Ignore current_function_has_computed_jump.
13740
13741 2005-01-26  Richard Henderson  <rth@redhat.com>
13742
13743         PR middle-end/19515
13744         * expr.c (categorize_ctor_elements): New argument p_must_clear.
13745         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
13746         fully initialized.
13747         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
13748         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
13749         objects into static storage if they have more than one non-zero value.
13750         * tree.h (categorize_ctor_elements): Update decl.
13751
13752 2005-01-26  Steven Bosscher  <stevenb@suse.de>
13753
13754         PR middle-end/19616
13755         * tree.h (CALL_EXPR_TAILCALL): Add comment.
13756         * calls.c (check_sibcall_argument_overlap_1): Revert the change
13757         to this function from 2004-07-10.
13758         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
13759         the current function for tail call optimizations if the address
13760         of one of it its arguments is taken.
13761
13762 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
13763
13764         * cse.c (fold_rtx): Call equiv_constant only when necessary.
13765
13766 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
13767
13768         * function.c (expand_function_end): If current_function_calls_alloca,
13769         emit stack restore in a place that is reached when the function falls
13770         through at the end.
13771
13772 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
13773
13774         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
13775         rule to avoid matching inappropriate suffix rule.
13776
13777 2005-01-26  Jan Hubicka  <jh@suse.cz>
13778
13779         PR tree-optimization/19241
13780         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
13781
13782 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
13783
13784         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
13785         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
13786         of doubling.
13787         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
13788         <sim*>: Always use crt1.o, regardless of N in simN.
13789         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
13790         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
13791         (CRT_CALL_STATIC_FUNCTION): Remove.
13792         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
13793         use crt1.o, regardless of N in simN.
13794         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
13795         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
13796         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
13797         case isystem setting.
13798         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
13799
13800 2005-01-25  Ian Lance Taylor  <ian@airs.com>
13801
13802         * gimple-low.c (block_may_fallthru): Correct handling of
13803         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
13804
13805 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
13806
13807         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
13808         handlers to match indentation; nested under the mtune=* handler.
13809         Similar for mcpu= and march=.
13810
13811 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
13812
13813         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
13814         * config/mips/linux64.h (LIB_SPEC): Likewise.
13815         * config/mn10300/linux.h (LIB_SPEC): Likewise.
13816         * config/sh/linux.h (LIB_SPEC): Likewise.
13817
13818 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
13819
13820         * config/frv/frv.c (frv_legitimize_tls_address): New.
13821         (TARGET_HAVE_TLS): Define.
13822         (FRV_SYMBOL_REF_TLS_P): Define.
13823         (frv_override_options): Handle new register classes.
13824         (frv_legitimate_address_p): Reject tls addresses.
13825         (frv_legitimize_address): Handle TLS addresses.
13826         (gen_inlined_tls_plt): New.
13827         (gen_tlsmoff): New.
13828         (frv_legitimize_tls_address): New.
13829         (unspec_got_name): Add TLS entries.
13830         (got12_operand): Add R_FRV_TLSMOFF12 case.
13831         (frv_emit_move): Fixup TLS addresses.
13832         (frv_emit_movsi): Legitimize TLS addresses.
13833
13834         * config/frv/frv.h (MASK_BIG_TLS): New.
13835         (TARGET_BIG_TLS): New.
13836         (HAVE_AS_TLS): Define.
13837         (TARGET_SWITCHES): Add -mTLS and -mtls options.
13838         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
13839         (REG_CLASS_NAMES): Same.
13840         (REG_CLASS_CONTENTS): Same.
13841         (CONSTRAINT_LEN): New.
13842         (REG_CLASS_FROM_CONSTRAINT): New.
13843         (PREDICATE_CODES): Add symbolic_operand.
13844
13845         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
13846         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
13847         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
13848         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
13849         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
13850         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
13851         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
13852         GR9_REG, GR14_REG, LRREG.
13853         (type): Add load_or_call attribute.
13854         ("load_or_call"): New reservation.
13855         ("call_gettlsoff"): New.
13856         ("tls_indirect_call"): New.
13857         ("tls_load_gottlsoff12"): New.
13858         ("tlsoff_hilo"): New.
13859         ("tls_tlsdesc_ldd"): New.
13860         ("tls_tlsoff_ld"): New.
13861         ("tls_lddi"): New.
13862
13863         * config/frv/frv-protos.h (symbolic_operand): Protoize.
13864
13865         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
13866
13867         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
13868         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
13869         * config/frv/frv.c (TLS_BIAS): Define.
13870         (frv_output_dwarf_dtprel): New.
13871
13872 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
13873
13874         PR rtl-optimization/19579
13875         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
13876         both A and B, see if they don't clobber registers the other expr uses.
13877
13878 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
13879
13880         * real.c (do_add): Initialize signalling and canonical members.
13881
13882         * real.c (real_from_integer): Zero out destination.
13883
13884 2005-01-18  Jan Hubicka  <jh@suse.cz>
13885
13886         PR tree-optimize/19337
13887         * tree-inline.c (initialize_inlined_parameters): Copy
13888         saved_static_chain_decl only.
13889
13890 2005-01-25  Richard Henderson  <rth@redhat.com>
13891
13892         PR target/19556
13893         PR target/19584
13894         * config/i386/i386.c (x86_inter_unit_moves): Zero.
13895         (ix86_preferred_reload_class): Rewrite fp-constant section, with
13896         80387 enabled, to return a proper subclass.  Return the subset that
13897         overlaps with GENERAL_REGS for PLUS.
13898         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
13899
13900 2005-01-25  Richard Henderson  <rth@redhat.com>
13901
13902         PR middle-end/19609
13903         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
13904
13905 2005-01-25  Roger Sayle  <roger@eyesopen.com>
13906
13907         * expmed.c (choose_multiplier): Change interface to return the
13908         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
13909         (expand_divmod): Update calls to choose_multiplier.
13910
13911 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13912
13913         PR middle-end/19330
13914         * expmed.c (extract_bit_field): Use adjust_address instead of
13915         gen_lowpart when op0 is a MEM.
13916
13917 2005-01-24  Steven Bosscher  <stevenb@suse.de>
13918
13919         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
13920
13921 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
13922
13923         * config/mips/irix-csr.c: New file.
13924         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
13925         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
13926         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
13927         executables.
13928
13929 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
13930
13931         PR bootstrap/19364
13932         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
13933         sparc/elf.h, add sparc/sp-elf.h.
13934         (sparc-*-rtems*): Likewise.
13935         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
13936         tm-dwarf2.h, add sparc/sp-elf.h.
13937         (sparc86x-*-elf): Likewise.
13938         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
13939         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
13940         TARGET_OS_CPP_BUILTINS.
13941         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
13942         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
13943         Undefine it.
13944         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
13945         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
13946         (SWITCH_TAKES_ARG): Likewise.
13947         (LOCAL_LABEL_PREFIX): Likewise.
13948         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
13949         (TARGET_N_FORMAT_TYPES): Delete.
13950         (TARGET_FORMAT_TYPES): Likewise.
13951         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
13952         * config/sparc/elf.h: Delete.
13953         * config/sparc/sp-elf.h: New file.
13954
13955 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
13956
13957         * tree-flow-inline.h (phi_arg_from_edge): Remove.
13958         * tree-flow.h: Remove the corresponding prototype.
13959         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
13960         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
13961
13962 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
13963
13964         PR target/17751
13965         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
13966         for AIX ABI or ELF -fPIC.
13967         (rs6000_emit_load_toc_table): Don't create toc_section here.
13968         (rs6000_xcoff_file_start): Nor here.
13969
13970 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
13971
13972         * sh.c (ra.h): Don't #include.
13973         (hard_regs_intersect_p): New function, resurrected from ra.c.
13974
13975         * sh.c: Fix 1996 Copyright.
13976
13977 2005-01-24  Richard Henderson  <rth@redhat.com>
13978             Aldy Hernandez  <aldyh@redhat.com>
13979
13980         * regrename.c (note_sets): Handle subregs.
13981
13982 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
13983
13984         PR bootstrap/18058
13985         * genconditions.c (write_header, write_conditions): Elide file if
13986         not GCC >= 3.0.1.
13987
13988 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
13989
13990         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
13991         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
13992         Update copyright.
13993
13994 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
13995
13996         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
13997         expand_builtin_printf, expand_builtin_fprintf,
13998         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
13999         checking against POINTER_TYPE.
14000         (validate_arglist): Handle POINTER_TYPE code by checking
14001         POINTER_TYPE_P.
14002
14003 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
14004
14005         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
14006         init_rtlanal): New.
14007         (for_each_rtx): Call for_each_rtx_1.
14008         * rtl.h (init_rtlanal): Declare.
14009         * toplev.c (backend_init): Call init_rtlanal.
14010
14011 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
14012
14013         * flow.c (propagate_one_insn): Formatting.
14014
14015         PR middle-end/19551
14016         * flow.c (libcall_dead_p): Be more conservative if unsure.
14017         If there are any instructions between insn and call, see if they are
14018         all dead before saying the libcall is dead.
14019
14020 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
14021
14022         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
14023         operand constraint for operand 0.
14024
14025 2005-01-23  Richard Henderson  <rth@redhat.com>
14026
14027         PR 19486
14028         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
14029         edges leading to join block.
14030
14031 2005-01-23  Roger Sayle  <roger@eyesopen.com>
14032
14033         * expmed.c (expand_mult_highpart): Make static.  Change type of
14034         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
14035         (expand_divmod): Updates calls to expand_mult_highpart by using
14036         gen_int_mode to pass a CONST_INT rtx.
14037         * rtl.h (expand_mult_highpart): Remove prototype.
14038
14039 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
14040
14041         * flow.c (regset_bytes, regset_size): Remove.
14042
14043         * cfganal.c: Fix a reference to Harvey's paper.
14044
14045 2005-01-23  Steven Bosscher  <stevenb@suse.de>
14046
14047         PR rtl-optimization/19464
14048         * tree-optimize.c (init_tree_optimization_passes): Add one more
14049         copyrename pass just before out-of-ssa.
14050
14051 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
14052
14053         PR bootstrap/18058
14054         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
14055         * ggc-none.c (ggc_free): Define.
14056
14057 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
14058
14059         * cse.c (max_reg, max_insn_uid): Remove.
14060         (cse_main): Don't access max_reg or max_insn_uid.
14061
14062         * c-common.c (explicit_flag_signed_bitfields,
14063         lang_statement_code_p, lang_expand_function_end): Remove.
14064         * c-common.h: Remove the corresponding declarations.
14065         * c-opts.c (c_common_handle_option): Remove all write access
14066         to explicit_flag_signed_bitfields.
14067
14068         * cgraph.c (cgraph_varpool_n_nodes): Remove.
14069         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
14070         * cgraph.h: Remove the corresponding declaration.
14071
14072         * gcse.c (null_pointer_info): Remove.
14073
14074 2005-01-23  Roger Sayle  <roger@eyesopen.com>
14075             Eric Botcazou  <ebotcazou@libertysurf.fr>
14076
14077         * combine.c (simplify_logical): Only simplify logical expressions
14078         of the form ior(and(x,y),z) by the inverse distributive law if the
14079         result is cheaper than the original.
14080
14081 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
14082
14083         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
14084         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
14085         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
14086         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
14087         config/freebsd-spec.h, config/arm/arm.h,
14088         config/h8300/h8300.md, config/i386/i386.md,
14089         config/i386/predicates.md, config/i386/sse.md,
14090         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
14091         config/vax/vax.md: Fix comment typos.  Follow spelling
14092         conventions.
14093
14094 2005-01-23  Steven Bosscher  <stevenb@suse.de>
14095
14096         * gengtype.c (walk_type): Produce `not equal to' compares for loop
14097         tests, instead of `less than'.
14098
14099 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
14100
14101         * function.c (assign_parm_setup_block): When creating a new stack slot
14102         for a parameter, get its alignment from the parameter's DECL_ALIGN
14103         rather than the type's TYPE_ALIGN.  Make sure that the parameter
14104         is at least word aligned.
14105
14106 2005-01-22  Roger Sayle  <roger@eyesopen.com>
14107
14108         PR middle-end/19378
14109         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
14110
14111 2005-01-22  Richard Henderson  <rth@redhat.com>
14112
14113         PR target/19506
14114         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
14115         in both compare operands.
14116         (movdfcc_1_sse_max): Likewise.
14117         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
14118         (movdfcc_1_sse): Likewise.
14119         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
14120         scratch register as needed.
14121
14122 2005-01-22  Richard Henderson  <rth@redhat.com>
14123
14124         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
14125
14126         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
14127
14128 2005-01-22  Richard Henderson  <rth@redhat.com>
14129
14130         * genopinit.c (optabs): Use smin/smax for floating point too.
14131         * doc/md.texi: Update to match.  Clarify that floating point
14132         results are undefined for +0/-0 and NaN.
14133         * doc/rtl.texi: Likewise.
14134         * rtl.def (SMIN, SMAX): Likewise
14135         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
14136
14137         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
14138         leading 's' to the name.
14139         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
14140         smaxxf3, sminxf3): Likewise.
14141         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
14142         Likewise.
14143
14144 2005-01-22  Paul Brook  <paul@codesourcery.com>
14145
14146         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
14147
14148 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
14149
14150         * config/s390/s390.c (struct processor_costs): New fields
14151         dlgr, dlr, dr, dsgfr, dsgr.
14152         (z900_cost, z990_cost): Values for new fields.
14153         (s390_rtx_costs): New cases MEM und COMPARE in switch
14154         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
14155         DIV, MOD, UDIV, UMOD.
14156
14157 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
14158
14159         * config/s390/s390.md ("doloop_si64"): Reload input value directly
14160         into the register being decremented.
14161         ("doloop_si31", "doloop_di"): Likewise.
14162         ("*doloop_si_long"): Adapt pattern.
14163
14164 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
14165
14166         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
14167         access registers.
14168         (CLASS_MAX_NREGS): Likewise.
14169
14170 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
14171
14172         * doc/tree-ssa.texi (Statement Operands): Add example for new
14173         must-def macro. Note deprecation of old operands interface.
14174
14175 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
14176
14177         PR tree-optimization/19484
14178         * tree-cfg.c (remove_fallthru_edge): New function.
14179         (cleanup_control_flow): Remove fallthru edges from calls that are
14180         now known not to return.
14181
14182 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
14183
14184         Fix PR tree-optimization/19038
14185         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
14186         copies with loop variant ones.
14187
14188 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
14189
14190         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
14191         config/alpha/alpha-protos.h, config/alpha/alpha.h,
14192         config/alpha/alpha.md, config/alpha/predicates.md,
14193         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
14194         config/sparc/sol2.h: Update copyright.
14195
14196         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
14197         first label to see if it is a nonlocal label.
14198
14199 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
14200             Andrew Pinski  <pinskia@physics.uc.edu>
14201
14202         PR target/19491
14203         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
14204         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
14205
14206 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
14207
14208         * config/rs6000/rtems.h: Update copyright.
14209
14210 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
14211
14212         PR target/19548
14213         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
14214         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
14215         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
14216
14217 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
14218
14219         PR c/18809
14220         * c-typeck.c (convert_arguments): Check for error_mark_node.
14221
14222 2005-01-21  Ian Lance Taylor  <ian@airs.com>
14223
14224         PR tree-optimization/13000
14225         * tree-inline.c: Include "tree-flow.h".
14226         (expand_call_inline): If warn_return_type, warn if non-void inline
14227         function falls through.
14228         * tree-cfg.c (execute_warn_function_return): Don't warn about
14229         control reaching end if TREE_NO_WARNING is set.  Set
14230         TREE_NO_WARNING.
14231         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
14232         has been lowered.
14233         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
14234         branch if we don't need one.
14235         * c-typeck.c: Include "tree-flow.h"
14236         (c_finish_bc_stmt): Don't add a goto if the current statement
14237         list doesn't fall through to the current point.
14238
14239 2005-01-21  Roger Sayle  <roger@eyesopen.com>
14240
14241         PR rtl-optimization/576
14242         * real.c (real_arithmetic): Change return type from void to bool
14243         to return an indication that the result may be inexact.
14244         * real.h (real_arithmeric): Update prototype.
14245         * fold-const.c (const_binop):  Don't constant fold floating
14246         point expressions when the user specifies -frounding-math and
14247         the result may depend upon the run-time rounding mode.
14248         (fold_convert_const_real_from_real): Clean-up.
14249         (fold_initializer): Ignore flag_rounding_math for initializers.
14250         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
14251         constant fold FP operations with flag_rounding_math if the
14252         result may depend upon the run-time rounding mode.
14253
14254 2005-01-21  Tom Tromey  <tromey@redhat.com>
14255
14256         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
14257
14258 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
14259
14260         * tree-cfg.c: Fix comment typos.
14261
14262 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
14263
14264         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
14265         around the call to rest_of_handle_branch_target_load_optimize.
14266
14267 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
14268
14269         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
14270         (sparc64-*-openbsd*): Likewise.
14271         (sparclite-*-elf*): Include tm-dwarf2.h.
14272         (sparc86x-*-elf*): Likewise.
14273         (sparc64-*-elf*): Likewise.
14274         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
14275         (DBX_DEBUGGING_INFO): Likewise.
14276         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
14277         (PREFERRED_DEBUGGING_TYPE): Likewise.
14278         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
14279         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
14280         (PREFERRED_DEBUGGING_TYPE): Likewise.
14281         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
14282         (PREFERRED_DEBUGGING_TYPE): Likewise.
14283         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
14284
14285 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
14286
14287         PR target/18701
14288         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
14289
14290 2005-01-20  Paul Brook  <paul@codesourcery.com>
14291
14292         * doc/rtl.texi: Document value extension requirements for CONST_INT.
14293
14294 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
14295
14296         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
14297         label is first in a sequence of labels.
14298
14299         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
14300
14301 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
14302             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
14303
14304         * doc/sourcebuild.texi (Test Directives): New.
14305
14306 2005-01-20  Roger Sayle  <roger@eyesopen.com>
14307
14308         * real.c (real_floor): Don't leave the result uninitialized when
14309         mode is VOIDMode, but return the unrounded intermediate value.
14310         (real_ceil): Likewise.
14311
14312 2005-01-20  Paul Brook  <paul@codesourcery.com>
14313
14314         * config/arm/arm.md (insv): Use gen_int_mode.
14315
14316 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
14317
14318         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
14319         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
14320         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
14321         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
14322         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
14323
14324 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
14325
14326         Fix PR debug/19124
14327         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
14328         fbreg, so we have to assume we can't.
14329         (loc_descriptor_from_tree_1): Ditto.
14330         (containing_function_has_frame_base): New function.
14331         (add_location_or_const_value_attribute): Use it.
14332         Also try to generate a frame_base from a single element location
14333         list.
14334
14335 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
14336
14337         PR tree-optimization/15349
14338         * timevar.def (TV_TREE_MERGE_PHI): New.
14339         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
14340         PHI_WANTED.
14341         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
14342         calls to tree_forwarder_block_p.
14343         (remove_forwarder_block_with_phi, merge_phi_nodes,
14344         gate_merge_phi, pass_merge_phi): New.
14345         * tree-optimize.c (init_tree_optimization_passes): Add
14346         pass_merge_phi.
14347         * tree-pass.h: Add an extern for pass_merge_phi;
14348
14349 2005-01-20  Richard Henderson  <rth@redhat.com>
14350
14351         PR target/19418
14352         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
14353         (_mm_castps_pd, _mm_castps_si128): New.
14354         (_mm_castsi128_ps, _mm_castsi128_pd): New.
14355
14356 2005-01-20  Richard Henderson  <rth@redhat.com>
14357
14358         PR target/19530
14359         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
14360         __builtin_ia32_vec_init_v2si.
14361         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
14362         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
14363         (ix86_init_mmx_sse_builtins): Create it.
14364         (ix86_expand_builtin): Expand it.
14365         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
14366         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
14367         (vec_extractv2si_0, vec_extractv2si_1): New.
14368
14369 2005-01-20  Richard Henderson  <rth@redhat.com>
14370
14371         PR target/16533
14372         * config/i386/i386.c (ix86_expand_push): New.
14373         * config/i386/mmx.md (push<MMXMODE>1): New.
14374         * config/i386/sse.md (push<SSEMODE>1): New.
14375         * config/i386/i386-protos.h: Update.
14376
14377 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
14378
14379         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
14380         copyright.
14381
14382 2005-01-20  Richard Henderson  <rth@redhat.com>
14383
14384         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
14385         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
14386
14387 2005-01-19  Richard Henderson  <rth@redhat.com>
14388
14389         PR target/19350
14390         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
14391         to V4SFmode in SSE1 fallback load path.
14392
14393 2005-01-19  Richard Henderson  <rth@redhat.com>
14394
14395         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
14396         in QImode expansion to ix86_expand_vector_set.
14397         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
14398
14399 2005-01-19  Richard Henderson  <rth@redhat.com>
14400
14401         PR target/19511
14402         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
14403         subclass of the input class.
14404         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
14405         Always true for cross-SSE1 classes.  Rationalize conditionals.
14406         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
14407         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
14408         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
14409         (movdi_2): Add MMX/SSE zeros.
14410         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
14411         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
14412         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
14413         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
14414         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
14415         (zero_extendsidi2_rex64_1): Remove.
14416         (MOV0 peephole): Check GENERAL_REG_P.
14417
14418 2005-01-19  Richard Henderson  <rth@redhat.com>
14419
14420         PR target/19427
14421         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
14422         shufps elements.
14423         (ix86_expand_vector_extract): Likewise.
14424
14425 2005-01-19  Richard Henderson  <rth@redhat.com>
14426
14427         PR middle-end/19304
14428         * expr.c (emit_move_change_mode): New argument force; use
14429         simplify_gen_subreg if true.
14430         (emit_move_via_alt_mode): Merge into ...
14431         (emit_move_via_integer): ... here.
14432         (emit_move_ccmode): Use emit_move_change_mode directly.
14433
14434 2005-01-19  Richard Henderson  <rth@redhat.com>
14435
14436         PR target/19518
14437         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
14438         (alpha_preferred_reload_class): Handle CONST_VECTOR.
14439         (alpha_emit_set_const_1): Add no_output parameter; don't emit
14440         rtl if true.
14441         (alpha_emit_set_const): Likewise.  Make static.
14442         (alpha_emit_set_long_const): Make static.
14443         (alpha_extract_integer): Split out from alpha_expand_mov.
14444         (alpha_split_const_mov): Likewise.
14445         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
14446         (alpha_legitimate_constant_p): New.
14447         * config/alpha/alpha-protos.h: Update.
14448         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
14449         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
14450         * config/alpha/alpha.md (movsi): Add n alternative.
14451         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
14452         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
14453         (splitters for all of the above): Use alpha_split_const_mov.
14454         * config/alpha/predicates.md (non_add_const_operand): New.
14455         (non_zero_const_operand): New.
14456         (input_operand): Use alpha_legitimate_constant_p after reload.
14457
14458 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
14459
14460         PR tree-optimization/19038
14461         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
14462         (add_candidate): Add ivs with increment in latch only if
14463         allow_ip_end_pos_p is true.
14464         (determine_iv_cost): Use empty_block_p.
14465
14466 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
14467
14468         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
14469         (compute_dominance_frontiers): Ditto.
14470
14471 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
14472
14473         PR target/19529
14474         * config/sh/t-rtems: New.
14475         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
14476
14477 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
14478
14479         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
14480         the offset of the selected field.
14481
14482 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
14483
14484         * tree-cfg.c (remove_forwarder_block): Fix the check to
14485         prevent a nonlocal label from appearing in the middle of a
14486         basic block.
14487
14488 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
14489
14490         PR rtl-optimization/19462
14491         * reorg.c (find_end_label): Create return insn only if
14492         current_function_epilogue_delay_list is empty.
14493
14494 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
14495
14496         * doc/passes.texi: Remove paragraph mentioning new-ra.
14497
14498 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
14499
14500         PR rtl-optimization/15139
14501         * combine.c: Include params.h.
14502         (count_rtxs): New function.
14503         (record_value_for_reg): If replace_rtx would replace at least
14504         2 occurrences of REG in VALUE and TEM is really large, replace REG with
14505         (clobber (const_int 0)) instead of TEM.
14506         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
14507         * params.h (MAX_LAST_VALUE_RTL): New.
14508         * Makefile.in (combine.o): Depend on $(PARAMS_H).
14509         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
14510
14511         PR c/17297
14512         * c-typeck.c (digest_init): Only call build_vector if all constructor
14513         elements are *_CST nodes.
14514         * gimplify.c (gimplify_init_constructor): Likewise.
14515
14516         PR middle-end/19164
14517         * c-typeck.c (digest_init): Only call build_vector if inside_init
14518         is a CONSTRUCTOR.
14519
14520 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
14521
14522         * toplev.c (init_asm_output): Remove dead #ifdef.
14523
14524 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
14525
14526         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
14527
14528 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
14529
14530         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
14531         accessing DECL_FUNCTION_CODE.
14532         * dojump.c (do_jump): Likewise.
14533         * gimplify.c (gimplify_call_expr): Likewise.
14534         * predict.c (expr_expected_value): Likewise.
14535         (strip_builtin_expect): Likewise.
14536         * tree-inline.c (estimate_num_insns_1): Likewise.
14537         * tree-ssa-loop-im.c (stmt_cost): Likewise
14538         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
14539         (tree_expr_nonnegative_p): Likewise.
14540
14541 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
14542
14543         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
14544         variant of the load_pcrel_sym pattern.
14545         * config/sparc/sparc.md (P macro): Move to the top.
14546         (load_pcrel_sym): Macroize using P.
14547         (save_register_window): Likewise.
14548
14549 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
14550
14551         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
14552         ("sordered"): Same.
14553
14554 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
14555
14556         PR C/19472
14557         * c-typeck.c (build_asm_expr): Strip nops off
14558         input memory operands.
14559
14560 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
14561
14562         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
14563         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
14564         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
14565         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
14566
14567 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
14568
14569         PR target/19379
14570         * config/i386/i386.c (override_options): If the 80387 is disabled,
14571         then do not return FP values using FP registers.
14572
14573 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
14574
14575         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
14576         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
14577         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
14578         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
14579         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
14580         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
14581         output.h, postreload-gcse.c, postreload.c, recog.c,
14582         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
14583         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
14584         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
14585         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
14586         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
14587         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
14588         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
14589         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
14590
14591         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
14592         config/alpha/alpha.c, config/arm/vfp.md,
14593         config/i386/emmintrin.h, config/i386/i386-modes.def,
14594         config/i386/i386-protos.h, config/i386/i386.h,
14595         config/i386/pmmintrin.h, config/i386/ppro.md,
14596         config/i386/predicates.md, config/i386/xmmintrin.h,
14597         config/i860/i860.c, config/ia64/ia64-modes.def,
14598         config/ia64/ia64-protos.h, config/ia64/ia64.h,
14599         config/ia64/ia64.md, config/ia64/itanium1.md,
14600         config/ia64/itanium2.md, config/ia64/predicates.md,
14601         config/iq2000/iq2000.h, config/mips/linux64.h,
14602         config/rs6000/aix41.h, config/rs6000/aix43.h,
14603         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
14604         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
14605         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
14606         config/sparc/linux64.h, config/sparc/litecoff.h,
14607         config/sparc/sp64-elf.h, config/sparc/sparc.c,
14608         config/sparc/sparc.h, config/sparc/sparc.md,
14609         config/sparc/sysv4-only.h: Update copyright.
14610
14611 2005-01-18  Richard Henderson  <rth@redhat.com>
14612
14613         PR target/19496
14614         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
14615
14616 2005-01-18  Marc Espie  <espie@openbsd.org>
14617         * config/i386/openbsdelf.h: Typo.
14618
14619 2005-01-18  Richard Henderson  <rth@redhat.com>
14620
14621         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
14622         special case for sse.
14623         * config/i386/predicates.md (sse_comparison_operator): Likewise.
14624
14625 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
14626
14627         * tree-inline.c (estimate_num_insns_1): Added cases for
14628         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
14629
14630 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
14631
14632         PR rtl-optimization/19296
14633         * combine.c (simplify_comparison): Rewrite the condition under
14634         which a non-paradoxical SUBREG of a PLUS can be lifted when
14635         compared against a constant.
14636
14637 2005-01-18  Andi Kleen <ak@muc.de>
14638
14639         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
14640         * c.opt (-Wpointer-sign): Add.
14641         * doc/invoke.texi: (-Wpointer-sign): Add.
14642
14643 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
14644
14645         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
14646         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
14647         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
14648         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
14649         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
14650         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
14651         for TARGET_MIX_SSE_I387.
14652         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
14653         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
14654         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
14655         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
14656         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
14657         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
14658         TARGET_MIX_SSE_I387.
14659         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
14660         from expander.
14661
14662 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
14663
14664         PR target/19424
14665         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
14666         Add movaps alternative for xmm reg->reg move.
14667
14668 2005-01-17  Jeff Law  <law@redhat.com>
14669
14670         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
14671         at the end of the main DOM loop rather than just before DOM exits.
14672
14673 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
14674
14675         PR tree-optimization/19121
14676         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
14677         adding aliases to a name tag, also add them to the pointer's
14678         type tag.
14679         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
14680         sensitive alias info at all.  Only check that the two pointers
14681         have compatible pointed-to sets.
14682         * tree-ssa.c (verify_name_tags): Verify that the alias set of
14683         a pointer's type tag is a superset of the alias set of the
14684         pointer's name tag.
14685
14686 2005-01-17  James E Wilson  <wilson@specifixinc.com>
14687
14688         PR target/19357
14689         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
14690         comment to document why.
14691
14692 2005-01-17  Richard Henderson  <rth@redhat.com>
14693
14694         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
14695         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
14696         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
14697         sse2_vmsminv2df3_finite): New.
14698         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
14699         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
14700         Force op1 into register.
14701
14702 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
14703
14704         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
14705         bubblestrap from always rebuilding build directory.
14706
14707 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
14708
14709         * config/s390/s390.md ("*clc"): Remove incorrect '='.
14710         ("*cmpmem_short"): Likewise.
14711
14712 2005-01-17  Steven Bosscher  <stevenb@suse.de>
14713
14714         * basic-block.h: Document BB_* flags.
14715         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
14716         use an sbitmap instead.
14717         * sched-rgn.c (compute_trg_info): Likewise.
14718
14719 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
14720
14721         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
14722         redundant target_cpu_default and extra_parts lines.  Use the default
14723         "from-abi" ISA.
14724         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
14725         (SUBTARGET_EXTRA_SPECS): Delete.
14726         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
14727         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
14728         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
14729         and "n32" for -mabi=n32.
14730
14731 2005-01-17  Ian Lance Taylor  <ian@airs.com>
14732
14733         PR c/5675
14734         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
14735         fold constant variables into initial values.
14736
14737 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
14738
14739         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
14740
14741         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
14742         through the statements backward.
14743
14744 2005-01-17  Ian Lance Taylor  <ian@airs.com>
14745
14746         PR middle-end/13127:
14747         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
14748         a variable set to the return value of the inlined function.
14749
14750 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
14751
14752         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
14753         when modes are tieable.
14754
14755 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
14756
14757         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
14758         of pthread_create to find out if threads are enabled.
14759         * gthr-posix95.h (__gthread_active_p): Likewise.
14760
14761 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
14762
14763         * common.opt (-fnew-ra): Remove.
14764         * ra*.*: Remove.
14765         * toplev.h (flag_new_regalloc): Remove.
14766         * Makefile.in (ra*.*): Don't mention.
14767         * passes.c (rest_of_handle_new_regalloc): Remove.
14768         (rest_of_handle_combine, rest_of_compilation): Always consider
14769         flag_new_regalloc as false.
14770         * doc/invoke.texi: Don't document -fnew-ra.
14771
14772 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
14773
14774         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
14775         last parameter to reg_scan.
14776         * loop.c (loop_optimize): Likewise.
14777         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
14778         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
14779         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
14780         rest_of_handle_gcse, rest_of_handle_loop_optimize,
14781         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
14782         * regclass.c (reg_scan): Likewise, for the declaration.
14783         * rtl.h (reg_scan): Likewise, for the prototype.
14784
14785 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
14786
14787         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
14788         mark_dfs_back_edges.
14789
14790 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
14791
14792         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
14793         (compute_avail): Uses don't go in tmp_gen.
14794
14795 2005-01-16  Steven Bosscher  <stevenb@suse.de>
14796
14797         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
14798         loop to look for a free slot in a page entry.
14799
14800 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14801
14802         PR target/16304
14803         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
14804         * toplev.c (compile_file): Call process_pending_assemble_output_defs
14805         just before targetm.asm_out.file_end.
14806         * tree.h (process_pending_assemble_output_defs): Declare.
14807         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
14808         New functions.
14809         (assemble_alias): Defer generation of assembly code for defines when
14810         TARGET_DEFERRED_OUTPUT_DEFS is true.
14811         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
14812         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
14813         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
14814
14815 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14816
14817         PR target/19336
14818         * pa.c (pa_scalar_mode_supported_p): New function.
14819         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14820         * pa.h (MIN_UNITS_PER_WORD): Add comment.
14821
14822         * pa-protos.h (prefetch_operand): Delete.
14823         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
14824         * pa.c (prefetch_operand): Delete.
14825         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
14826         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
14827         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
14828         and prefetch_nocc_operand.
14829         * pa.md (prefetch): Rework to avoid reload problems handling short
14830         displacements when a cache control completer needs to be provided.
14831         (prefetch_32, prefetch_64): Delete.
14832         (prefetch_cc, prefetch_nocc): New patterns.
14833
14834 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
14835
14836         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
14837
14838 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14839
14840         PR ada/19388
14841         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
14842         exceeds maximum alignment for global common data.
14843         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
14844         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
14845
14846 2004-01-15  Roger Sayle  <roger@eyesopen.com>
14847
14848         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
14849
14850 2004-01-15  Roger Sayle  <roger@eyesopen.com>
14851
14852         * harg-reg-set.h (reg_class_names): Prototype global array.
14853         * regclass.c (reg_class_names): Declare here and initialize to
14854         REG_CLASS_NAMES.
14855         (dump_regclass): Remove local declaration of reg_class_names.
14856         (regclass): Likewise.
14857         * cfg.c (dump_flow_info): Likewise.
14858         * ra-debug.c (reg_class_names): Likewise.
14859         * regrename.c (reg_class_names): Likewise.
14860         * reload.c (reg_class_names): Likewise.
14861         * reload1.c (spill_failure): Likewise.
14862         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
14863
14864 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
14865
14866         * config/s390/s390.md ("reload_outti"): Remove predicate for
14867         output operand.  Abort if operand is not a MEM.
14868         ("reload_outdi", "reload_outdf"): Likewise.
14869
14870 2005-01-15  Marc Espie  <espie@openbsd.org>
14871
14872         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
14873         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
14874         * config/openbsd.h:  Fix C++ includes for native configurations.
14875         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
14876         Add trampoline support.
14877         * config/i386/openbsdelf.h: New.
14878
14879 2005-01-15  Marc Espie  <espie@openbsd.org>
14880
14881         * collect2.c (main): Explicitly parse -dynamic-linker option.
14882
14883 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
14884
14885         PR tree-optimization/19060
14886         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
14887         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
14888         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
14889         and handle extract_range_from_cond returning false.
14890         * fold-const.c (fold): Optimize comparisons with min/max even for
14891         width > HOST_BITS_PER_WIDE_INT.
14892
14893 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
14894
14895         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
14896         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
14897         Remove little endian multilib variants.
14898         Add mips32 multilib variant.
14899
14900 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
14901
14902         * explow.c (copy_all_reg, stabilize): Remove.
14903         * expr.h: Remove the corresponding prototypes.
14904
14905         * rtlanal.c (regs_set_between_p): Remove.
14906         * rtl.h: Remove the corresponding prototype.
14907
14908 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
14909
14910         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
14911         to rs6000_nonimmediate_operand.
14912         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
14913         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
14914         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
14915         rs6000_nonimmediate_operand.
14916         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
14917         rs6000_nonimmediate_operand.
14918
14919 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
14920
14921         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
14922
14923 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
14924
14925         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
14926         on e500v2.
14927         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
14928         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
14929
14930         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
14931         (rs6k_nonimmediate_operand): New.
14932         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
14933         correctly.
14934         (legitimate_lo_sum_address_p): Same.
14935         (rs6000_legitimize_address): Same.
14936         (rs6000_legitimize_reload_address): Same.
14937         (rs6000_legitimate_address): Same.
14938         (spe_build_register_parallel): Pass DF and DC modes in a DI
14939         register.
14940
14941         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
14942         to rs6k_nonimmediate_operand.
14943
14944         * config/rs6000/spe.md ("*frob_df_di"): New.
14945         ("*frob_di_df"): New.
14946         ("*frob_di_df_2"): New.
14947         ("*mov_sidf_e500_subreg0"): New.
14948         ("*mov_sidf_e500_subreg4"): New.
14949         ("*movdf_e500_double"): Change predicate to
14950         rs6k_nonimmediate_operand.
14951
14952 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
14953
14954         * postreload.c (move2add_note_store): Only call
14955         trunc_int_for_mode on scalar integers.
14956
14957 2005-01-14  Steven Bosscher  <stevenb@suse.de>
14958
14959         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
14960         replace BB_VISITED uses.
14961         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
14962         (propagate_necessity): Check the bitmap instead of BB_VISITED.
14963         (tree_dce_done): Free visited_control_parents.
14964         (perform_tree_ssa_dce): Allocate and clear it.
14965         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
14966         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
14967         instead of BB_VISITED.
14968
14969 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
14970
14971         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
14972         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
14973         Remove unused prototypes.
14974
14975 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
14976
14977         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
14978         64-bit register usage.
14979         (spe_func_has_64bit_regs_p): Add FIXME note.
14980
14981 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
14982
14983         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
14984         flag_finite_math_only with flag_unsafe_math_optimizations.
14985
14986 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
14987
14988         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
14989         end-of-stack check.
14990         (__tpf_eh_return): Copy TPF private stack area from the module
14991         boundary stack frame.  Add check for when module addresses are
14992         equal, but no stub address is found.
14993
14994 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
14995
14996         PR target/7525
14997         * arm.h (struct machine_function): Add call_via field.
14998         (thumb_call_via_label): Declare.
14999         * arm.c (thumb_call_via_label): New variable.
15000         (thumb_call_reg_needed): New variable.
15001         (arm_output_function_epilogue): For Thumb code, output any per-function
15002         call-indirect trampolines.
15003         (thumb_call_via_reg): New function.
15004         (arm_file_end): New function.
15005         (TARGET_ASM_FILE_END): Call arm_file_end.
15006         (aof_file_end): Likewise.
15007         * arm-protos.h (thumb_call_via_reg): Declare.
15008         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
15009         thumb_call_via_reg in normal case.
15010
15011 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
15012
15013         PR middle-end/19084
15014         PR rtl-optimization/19348
15015         * recog.c (peephole2_optimize): Do global life update if some peephole
15016         decides it doesn't need at least one of its inputs and that change
15017         influences liveness at the start of the basic block.
15018
15019         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
15020         arguments instead of 1.
15021
15022 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
15023
15024         PR middle-end/18820
15025         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
15026         zero for nested functions needing a static chain or functions
15027         with a non-constant address.
15028
15029 2005-01-13  Roger Sayle  <roger@eyesopen.com>
15030
15031         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
15032         (and (sign_extend X) C) into (zero_extend (and X C)).
15033
15034 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
15035
15036         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
15037
15038 2005-01-13  Richard Henderson  <rth@redhat.com>
15039
15040         PR target/19009
15041         PR target/19250
15042         PR target/19252
15043         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
15044         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
15045         not just TARGET_SSE.
15046         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
15047         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
15048         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
15049         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
15050         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
15051         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
15052         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
15053         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
15054         (movdicc_c_rex64): Rename with '*'.
15055         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
15056         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
15057         (movsfcc_1_387): Rename from movsfcc_1.
15058         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
15059         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
15060         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
15061         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
15062         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
15063         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
15064         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
15065         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
15066         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
15067         sse_movdfcc_const0_4): Remove.
15068         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
15069         recognize min/max early.  Update for changed sse cmove patterns.
15070         (ix86_split_sse_movcc): New.
15071         * config/i386/i386-protos.h: Update.
15072
15073 2005-01-13  Steven Bosscher  <stevenb@suse.de>
15074
15075         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
15076         (fix_stmt_v_may_defs): Likewise.
15077
15078 2005-01-13  Richard Henderson  <rth@redhat.com>
15079
15080         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
15081         for converting the mask.
15082
15083 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
15084
15085         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
15086         definition to 600.
15087
15088 2005-01-13  Richard Henderson  <rth@redhat.com>
15089
15090         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
15091         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
15092         IX86_BUILTIN_MOVDQ2Q): Remove.
15093         (IX86_BUILTIN_VEC_EXT_V4SI): New.
15094         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
15095         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
15096         shuffling.
15097         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
15098         (sse2_pextrw): Fix immediate constraint.
15099         (sse2_loadq, sse2_loadq_rex64): Remove.
15100         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
15101         Use __builtin_ia32_vec_ext_<size>.
15102         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
15103
15104 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
15105
15106         * function.c (assign_parm_setup_block): Look inside original
15107         entry_parm when inspecting PARALLEL.
15108
15109 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
15110             Joel Sherrill  <joel@oarcorp.com>
15111
15112         PR target/19399
15113         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
15114         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
15115         rtems_gxx_recursive_mutex_init.
15116         (__gthread_recursive_mutex_lock): New function.
15117         (__gthread_recursive_mutex_trylock): Likewise.
15118         (__gthread_recursive_mutex_unlock): Likewise.
15119
15120 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
15121
15122         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
15123
15124 2005-01-13  Jan Beulich  <jbeulich@novell.com>
15125
15126         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
15127         (ashrti3_internal): Indicate output is early clobber. Generate result
15128         into output rather than first input. Use move for low word of output
15129         if shift count is exactly 64.
15130         (lshrti3_internal): Likewise.
15131
15132 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
15133
15134         PR target/18329
15135         PR target/18330
15136         * reload1.c (delete_output_reload): Don't delete an output reload
15137         if the pseudo lives longer than a single basic block.  Adjust and
15138         improve wording of comment.
15139
15140 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
15141
15142         PR target/19334
15143         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
15144         of TYPE_SIZE where we mean the number of bytes.
15145
15146 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
15147
15148         * function.c (assign_parm_setup_block): Relax condition on
15149         multi-register optimization.
15150
15151 2005-01-12  Nick Clifton  <nickc@redhat.com>
15152
15153         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
15154         an "in_delay_slot" attribute of "no" to prevent them being used in
15155         delay slots.  This is forbidden because they might generate
15156         exceptions.
15157
15158 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
15159
15160         PR target/19389
15161         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
15162         with r->Y and Y->r.
15163
15164 2005-01-12  Nick Clifton  <nickc@redhat.com>
15165
15166         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
15167         passed on to GAS) but do not define, as GAS no longer supports or
15168         needs the -m2000 option.
15169
15170 2005-01-11  Roger Sayle  <roger@eyesopen.com>
15171
15172         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
15173         type as args of unprototyped builtins aren't automatically promoted.
15174         (fold_builtin_abs): Likewise.
15175
15176 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
15177
15178         * Makefile.in: Set a `build-warn' variable.
15179
15180 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
15181
15182         PR tree-optimization/17949
15183         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
15184         (find_interesting_uses_address): Use it.
15185
15186 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
15187
15188         * regrename.c (kill_value): Handle subreg's that won't simplify.
15189
15190 2005-01-11  Richard Henderson  <rth@redhat.com>
15191
15192         PR target/13366
15193         * config/i386/i386.h (enum ix86_builtins): Move ...
15194         * config/i386/i386.c: ... here.
15195         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
15196         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
15197         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
15198         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
15199         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
15200         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
15201         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
15202         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
15203         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
15204         IX86_BUILTIN_LOADDDUP): Remove.
15205         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
15206         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
15207         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
15208         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
15209         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
15210         (ix86_init_builtins): Make static.
15211         (ix86_init_mmx_sse_builtins): Update for changed builtins.
15212         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
15213         if all the modes match.  Otherwise, fake it.
15214         (get_element_number, ix86_expand_vec_init_builtin,
15215         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
15216         (ix86_expand_builtin): Make static.  Update for changed builtins.
15217         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
15218         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
15219         (ix86_expand_vector_init_duplicate): New.
15220         (ix86_expand_vector_init_low_nonzero): New.
15221         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
15222         Split out from ix86_expand_vector_init; handle integer modes.
15223         (ix86_expand_vector_init): Use them.
15224         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
15225         * config/i386/i386-protos.h: Update.
15226         * config/i386/predicates.md (reg_or_0_operand): New.
15227         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
15228         (movv2sf_internal): Likewise.  And a splitter to match them all.
15229         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
15230         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
15231         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
15232         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
15233         (mmx_pinsrw): Fix operand ordering.
15234         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
15235         rather than sse_loadss expander.
15236         (movv2df splitter): Similarly.
15237         (sse_loadss, sse_loadlss): Remove.
15238         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
15239         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
15240         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
15241         (sse3_movddup): Rename with '*'.
15242         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
15243         (sse2_loadsd): Remove.
15244         (vec_dupv2df_sse3): Rename from sse3_loadddup.
15245         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
15246         (sse2_pinsrw): Fix argument ordering.
15247         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
15248         (sse2_stored): Remove 'r' destination.
15249         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
15250         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
15251         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
15252         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
15253         vec_extractv16qi, vec_initv16qi): New.
15254
15255         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
15256         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
15257         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
15258         constructor form.
15259         (_mm_load_pd, _mm_store_pd): Use plain dereference.
15260         (_mm_load_si128, _mm_store_si128): Likewise.
15261         (_mm_load1_pd): Use _mm_set1_pd.
15262         (_mm_load_sd): Use _mm_set_sd.
15263         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
15264         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
15265         (_mm_set_epi64): Use _mm_set_epi64x.
15266         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
15267         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
15268         _mm_setr_epi8): Use _mm_set_foo form.
15269         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
15270         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
15271         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
15272         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
15273         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
15274         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
15275         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
15276         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
15277         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
15278         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
15279         (_mm_movedup_pd): Use _mm_shuffle_pd.
15280         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
15281         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
15282         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
15283         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
15284         Use _mm_setzero_ps.
15285         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
15286         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
15287         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
15288         (_mm_store_ps): Use raw dereference.
15289         (_mm_store1_ps): Use _mm_storeu_ps.
15290         (_mm_storer_ps): Use _mm_store_ps.
15291         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
15292         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
15293
15294 2005-01-11  Stan Shebs  <shebs@apple.com>
15295
15296         * config/rs6000/rs6000.c (machopic_output_stub): Issue
15297         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
15298
15299 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
15300
15301         PR target/18761
15302         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
15303         Skip all DECLs except for FIELD_DECLs.
15304
15305 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
15306
15307         * config/s390/s390.c (override_options): Return error if
15308         -mbackchain, -mpacked-stack and -mhard-float are used together.
15309         (s390_va_start): Remove the backchain && packed-stack special case.
15310         (s390_gimplify_va_arg): Likewise.
15311         * doc/invoke.texi: Remove the ABI incompatibility note.
15312
15313 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
15314
15315         * config/s390/s390.c (struct s390_frame_layout): Remove
15316         save_backchain_p.
15317         (s390_frame_info, s390_emit_prologue): Replace occurrences of
15318         save_backchain_p with TARGET_BACKCHAIN.
15319
15320 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
15321
15322         PR target/18916
15323         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
15324         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
15325         * function.c (locate_and_pad_parm): Set new field.
15326         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
15327         Tweak where_pad test to include "none".  Always set mem align for
15328         stack_parm.
15329         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
15330         not sufficient for type.
15331         (assign_parm_setup_block): If stack_parm is zero on entry, always
15332         make a new stack local.  Block move old stack parm if necessary
15333         to new aligned stack local.
15334         (assign_parm_setup_stack): Use a block move to handle
15335         potentially misaligned entry_parm.
15336         (assign_parms_unsplit_complex): Specify required alignment when
15337         creating stack local.
15338         * calls.c (compute_argument_addresses): Override alignment of stack
15339         arg calculated from its type with the alignment given by
15340         FUNCTION_ARG_BOUNDARY.
15341         (store_one_arg): Likewise.
15342
15343 2005-01-11  Jan Beulich  <jbeulich@novell.com>
15344
15345         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
15346         Change respective itanium_class attribute to ialu.
15347         (shladdp4_internal): New.
15348         * config/ia64/predicates.md (shladd_log2_operand): New.
15349
15350 2005-01-11  Richard Henderson  <rth@redhat.com>
15351
15352         * expr.c (store_constructor): Use rtvec_alloc instead of
15353         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
15354
15355 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
15356
15357         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
15358
15359 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
15360
15361         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
15362         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
15363         (TARGET_RWRELOC): Define.
15364         (ia64_rwreloc_section_type_flags): Delete.
15365         (ia64_section_type_flags): New function.
15366         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
15367         (TARGET_RWRELOC): Define.
15368
15369 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
15370
15371         PR target/18987
15372         * config/ia64/ia64.c (process_set): For alloc insn, only call
15373         process_epilogue is !frame_pointer_needed.
15374
15375 2005-01-10  Roger Sayle  <roger@eyesopen.com>
15376
15377         PR c++/19355
15378         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
15379         unary operator and can't be treated as a binary/comparison operator.
15380
15381 2005-01-10  Richard Henderson  <rth@redhat.com>
15382
15383         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
15384         (ix86_return_in_memory): Likewise.
15385         (function_arg_advance):  Likewise.  Mirror structure in function_arg
15386         for choosing register to advance.
15387
15388 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
15389
15390         * tree-vectorizer.c, tree.def: Fix comment typos.
15391
15392 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
15393
15394         * config/s390/s390.c (struct processor_costs): 4 new fields:
15395         ddbr, ddr, debr, der.
15396         (s390_rtx_costs): More precise handling of divide instructions.
15397
15398 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
15399
15400         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
15401
15402 2005-01-10  Jan Beulich  <jbeulich@novell.com>
15403
15404         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
15405         names resulting from -ffunction-sections/-fdata-sections and linkonce
15406         ones.
15407         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
15408         based on the section name. Rearrange the section name comparison logic
15409         slightly so that each section name is compared against at most once.
15410
15411 2005-01-10  Ben Elliston  <bje@au.ibm.com>
15412
15413         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
15414         targets for which -fPIC reduces limitations on the GOT size.
15415
15416 2005-01-09  Falk Hueffner  <falk@debian.org>
15417
15418         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
15419         X/C1 cmpop C2.
15420
15421 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
15422
15423         PR target/18720
15424         * collect2.c (main): Set aixrtl_flag for -brtl option.
15425         (resolve_lib_name): Search for .so file extension before .a
15426         if aixrtl_flag set.
15427
15428 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
15429
15430         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
15431         (vect_analyze_data_refs_alignment): Add dump prints.
15432
15433 2005-01-09  Ira Rosen  <irar@il.ibm.com>
15434
15435         * tree-vectorizer.c (vect_analyze_offset_expr): Use
15436         expr_invariant_in_loop_p.
15437         Initialize outputs first thing in the function.
15438         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
15439         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
15440         (vect_analyze_pointer_ref_access): Check that the initial condition of
15441         the access function is loop invariant.
15442
15443 2005-01-09  Richard Henderson  <rth@redhat.com>
15444
15445         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
15446         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
15447         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
15448         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
15449         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
15450         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
15451         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
15452         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
15453         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
15454         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
15455         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
15456         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
15457         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
15458         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
15459         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
15460         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
15461         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
15462         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
15463         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
15464         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
15465         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
15466         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
15467         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
15468         mmx_ prefix.
15469         (mmx_clrdi, pavgusb): Remove.
15470         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
15471         with leading sse_ prefix.
15472         * config/i386/sse.md: Receive them.
15473         * config/i386/mmx.md: New file.
15474         (MMXMODE12, MMXMODE24, mmxvecsize): New.
15475         (subrv2sf3): Turn into expander for normal subtraction.
15476         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
15477         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
15478         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
15479         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
15480         commutative; use ix86_binary_operator_ok.
15481         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
15482         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
15483         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
15484         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
15485         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
15486         Macroize from existing patterns; use ix86_binary_operator_ok.
15487         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
15488         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
15489         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
15490         with vec_select+vec_concat.
15491         (mmx_pshufw, mmx_pshufw_1): Likewise.
15492         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
15493         (mmx_uavgv4hi3): Model correctly.
15494         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
15495         _mm_xor_si64): Remove casts.
15496
15497 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
15498
15499         PR tree-optimization/19224
15500         * tree-scalar-evolution.c (get_instantiated_value,
15501         set_instantiated_value): New functions.
15502         (instantiate_parameters_1): Cache the results.
15503         (instantiate_parameters, resolve_mixers): Initialize and free
15504         the cache.
15505
15506 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
15507
15508         * config/i386/i386.md (addhi_4): Correct reference in comment.
15509         (addqi_4): Same.
15510
15511 2005-01-08  Richard Henderson  <rth@redhat.com>
15512
15513         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
15514         (_mm_cvtsi128_si64x): Likewise.
15515         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
15516         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
15517         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
15518         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
15519         * config/i386/i386-protos.h: Update.
15520         * config/i386/i386.c (print_operand): Add 'H'.
15521         (ix86_fixup_binary_operands): Split out from ...
15522         (ix86_expand_binary_operator): ... here.
15523         (ix86_fixup_binary_operands_no_copy): New.
15524         (ix86_expand_fp_absneg_operator): Handle vector mode results.
15525         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
15526         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
15527         (safe_vector_operand): Use CONST0_RTX.
15528         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
15529         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
15530         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
15531         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
15532         special cases.
15533         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
15534         (IX86_BUILTIN_CMPNGESS): New.
15535         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
15536         (attr type): Add sselog1.
15537         (attr unit, attr memory): Handle it.
15538         (movti, movti_internal, movti_rex64): Move near other integer moves.
15539         (movtf, movtf_internal): Move near other fp moves.
15540         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
15541         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
15542         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
15543         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
15544         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
15545         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
15546         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
15547         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
15548         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
15549         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
15550         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
15551         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
15552         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
15553         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
15554         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
15555         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
15556         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
15557         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
15558         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
15559         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
15560         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
15561         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
15562         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
15563         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
15564         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
15565         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
15566         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
15567         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
15568         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
15569         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
15570         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
15571         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
15572         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
15573         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
15574         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
15575         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
15576         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
15577         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
15578         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
15579         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
15580         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
15581         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
15582         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
15583         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
15584         same time.
15585         (SSEPUSH, push<SSEPUSH>): Remove.
15586         (MMXPUSH, push<MMXPUSH>): Remove.
15587         (sse_movaps, sse_movaps_1, sse_movups): Remove.
15588         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
15589         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
15590         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
15591         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
15592         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
15593         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
15594         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
15595         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
15596         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
15597         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
15598         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
15599         (ppro_sse_log_V4SF): Handle sselog1.
15600         * config/i386/predicates.md (const_0_to_1_operand): New.
15601         (const_0_to_255_mul_8_operand): New.
15602         (const_1_to_31_operand): Rename from const_int_1_31_operand.
15603         (const_2_to_3_operand, const_4_to_7_operand): New.
15604         * config/i386/sse.md: New file.
15605         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
15606         (sse_movups): Rename from sse_movups_1.
15607         (sse_loadlss): Rename from sse_loadss_1.
15608         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
15609         from the name.
15610         (negv4sf2): Use ix86_expand_fp_absneg_operator.
15611         (absv4sf2, negv2df, absv2df): New.
15612         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
15613         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
15614         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
15615         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
15616         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
15617         (sse3_addsubv4sf3): Model correctly.
15618         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
15619         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
15620         (sse_movhlps): Model with vec_select+vec_concat.
15621         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
15622         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
15623         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
15624         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
15625         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
15626         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
15627         sse2_pshufhw_1): Likewise.
15628         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
15629         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
15630         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
15631         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
15632         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
15633         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
15634         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
15635         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
15636         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
15637         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
15638         sminv8hi3): Mark commutative
15639         operands.  Use ix86_binary_operator_ok.
15640         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
15641         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
15642         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
15643         sse2_punpcklqdq): Allow operand2 in memory.
15644         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
15645         sse2_movsd): Add memory alternatives.
15646         (sse_storelps): Turn expander into an insn; split after reload.
15647         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
15648         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
15649
15650 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
15651
15652         * configure.ac (DWARF-2 debug_line): Use objdump.
15653         * configure: Regenerate.
15654
15655 2005-01-08  Jeff Law  <law@redhat.com>
15656             Diego Novillo  <dnovillo@redhat.com>
15657
15658         PR tree-optimization/18241
15659         * tree-nrv.c (tree_nrv): Ignore volatile return values.
15660         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
15661         statements with volatile operands.
15662         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
15663         operands after marking a statement with has_volatile_ops.
15664
15665 2005-01-08  Roger Sayle  <roger@eyesopen.com>
15666
15667         * tree.c (int_fits_type_p): Always honor integer constant
15668         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
15669
15670 2005-01-08  Roger Sayle  <roger@eyesopen.com>
15671
15672         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
15673         the latent bug in rtl_delete_block has been resolved.
15674
15675 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
15676
15677         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
15678         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
15679
15680 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
15681
15682         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
15683         library as @multilib_dir@/$(SHLIB_SONAME).
15684
15685 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
15686
15687         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
15688         * configure: Regenerate.
15689
15690 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
15691
15692         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
15693         TYPE_MODE.
15694
15695 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
15696
15697         PR target/13674
15698         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
15699         Convert non-word aligned offset address using ld/std into
15700         indirect address.
15701
15702 2005-01-07  Richard Henderson  <rth@redhat.com>
15703
15704         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
15705
15706 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
15707
15708         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
15709
15710 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
15711
15712         PR tree-optimization/19283
15713         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
15714         is not shorter than the original type.
15715
15716         PR rtl-optimization/19012
15717         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
15718
15719         PR rtl-optimization/18861
15720         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
15721         (FULL_STATE): Define.
15722         (mark_tablejump_edge): New function.
15723         (purge_dead_tablejump_edges): New function.
15724         (find_bb_boundaries): Use it.
15725
15726         PR tree-optimization/18828
15727         * builtins.c (expand_builtin_next_arg): Remove argument and all
15728         the argument checking.
15729         (expand_builtin): Adjust caller.
15730         (expand_builtin_va_start): Likewise.  Remove error for too many
15731         arguments.
15732         (fold_builtin_next_arg): Issue error for too many arguments.
15733         After checking arguments, replace them with magic arguments that
15734         prevent further checking of the args.
15735
15736 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15737
15738         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
15739
15740 2005-01-06  Roger Sayle  <roger@eyesopen.com>
15741
15742         PR target/6077
15743         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
15744         and %{.S:...} (and their negative variants) to test whether the
15745         input file is assembler or pre-processed-assembler independent of
15746         the actual filename extension.
15747
15748 2005-01-06  Roger Sayle  <roger@eyesopen.com>
15749
15750         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
15751         of sign or zero extended values.
15752
15753 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
15754
15755         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
15756         for IBM long double format correctly.
15757
15758 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
15759
15760         Fix PR tree-optimization/18792
15761
15762         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
15763         to first_loop_depth, and use loop depth instead of loop number.
15764         (build_classic_dir_vector): Ditto.
15765         (compute_data_dependences_for_loop): Use depth, not loop number.
15766         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
15767         number. Pass in loops, instead of loop numbers.
15768         (gather_interchange_stats): Ditto.
15769         (linear_transform_loops): Ditto.
15770
15771 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
15772
15773         PR rtl-opt/13299
15774         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
15775         biv_fits_mode_p, extension_within_bounds_p): New functions.
15776         (check_ext_dependent_givs): Use them.
15777
15778 2005-01-06  Roger Sayle  <roger@eyesopen.com>
15779
15780         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
15781         more than one barrier, in which case we should delete them all.
15782
15783 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
15784
15785         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
15786
15787 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
15788
15789         Fix PR middle-end/19286
15790         Fix PR debug/19267
15791         * dwarf2out.c (gen_subprogram_die): If we've already tried to
15792         output this subprogram, simply ignore this attempt to do it again.
15793         (add_abstract_origin_attribute): Don't abort trying to add the abstract
15794         origin attribute if it's not possible.
15795         (gen_block_die): Don't ignore subblocks of "unused" blocks.
15796         (decls_for_scope): Ditto.
15797         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
15798         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
15799
15800 2005-01-05  Richard Henderson  <rth@redhat.com>
15801
15802         PR target/11327
15803         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
15804         (bdesc_2arg): Use it.
15805         (ix86_expand_binop_builtin): Force operands into registers
15806         when optimizing.
15807         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
15808         ix86_expand_sse_compare, ix86_expand_sse_comi,
15809         ix86_expand_builtin): Likewise.
15810
15811 2005-01-05  Richard Henderson  <rth@redhat.com>
15812
15813         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
15814         and VEC_SELECT.
15815         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
15816         (mulv4hi3): Set itanium_class mmmul.
15817         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
15818         (fpack): Rename from fpack_sfsf.
15819
15820 2005-01-05  Richard Henderson  <rth@redhat.com>
15821
15822         PR rtl-opt/10692
15823         * reload1.c (do_input_reload): Restrict the optimization deleteing
15824         a previous output reload to RELOAD_FOR_INPUT.
15825
15826 2005-01-05  Steven Bosscher  <stevenb@suse.de>
15827
15828         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
15829         comment that we fall through after case.
15830         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
15831         (distribute_links): Likewise.
15832         * cse.c (cse_insn): Likewise.
15833         * cselib.c (cselib_invalidate_mem): Likewise.
15834         * df.c: Update comments at the top of the file.
15835         (read_modify_subreg_p): Update comments here too.
15836         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
15837         * flow.c (mark_set_1): Likewise.
15838         (mark_used_regs): Likewise.
15839         * gcse.c (mems_conflict_for_gcse_p): Likewise.
15840         (canon_list_insert): Likewise.
15841         (mark_set): Likewise.
15842         (try_replace_reg): Likewise.
15843         (store_killed_in_insn): Likewise.
15844         * loop.c (count_one_set): Likewise.
15845         (basic_induction_var): Likewise.
15846         * postreload-gcse.c (find_mem_conflicts): Likewise.
15847         * postreload.c (reload_combine_note_store): Likewise.
15848         (move2add_note_store): Likewise.
15849         * reload.c (find_equiv_reg): Likewise.
15850         (mark_referenced_resources): Likewise.
15851         * rtlanal.c (set_noop_p): Likewise.
15852         (note_stores): Likewise.
15853         (note_uses): Likewise.
15854         * sched-deps.c (sched_analyze_1): Likewise.
15855         * sched-rgn.c (check_live_1): Likewise.
15856         (update_live_1): Likewise.
15857         * config/i860/i860.c: Likewise.
15858
15859         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
15860         an lvalue.
15861         (ZERO_EXTRACT): Mention that this one can be an lvalue.
15862
15863         * doc/rtl.texi: Update documentation for bit-fields and SET.
15864
15865 2005-01-05  Roger Sayle  <roger@eyesopen.com>
15866
15867         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
15868
15869 2005-01-05  Jan Hubicka  <jh@suse.cz>
15870             Richard Henderson  <rth@redhat.com>
15871
15872         PR target/18910
15873         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
15874         with an offset.
15875
15876 2005-01-05  Richard Henderson  <rth@redhat.com>
15877
15878         PR target/12902
15879         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
15880         (sse_shufps): Change operand 3 to const_int_operand.
15881         (sse2_storelps): Fix typo in template.
15882         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
15883         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
15884         (ix86_expand_builtin): Likewise.
15885
15886 2005-01-05  Julian Brown  <julian@codesourcery.com>
15887
15888         * config/arm/arm.c (arm_return_in_memory): Treat complex types
15889         as aggregates for AAPCS ABIs.
15890
15891 2005-01-05  Stan Shebs  <shebs@apple.com>
15892
15893         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
15894         Mach-O getters if ppc64.
15895         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
15896         size argument.
15897         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
15898         signed four-byte field for global code case.
15899         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
15900
15901 2005-01-05  Roger Sayle  <roger@eyesopen.com>
15902
15903         PR middle-end/19100
15904         * c-common.c: Include real.h.
15905         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
15906         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
15907         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
15908         * Makefile.in (c-common.o): Update dependencies.
15909
15910 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
15911
15912         * c-parse.in (asm_string): Add trailing semicolon.
15913
15914 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
15915
15916         * c-parse.in (asm_string): New.  Don't allow wide strings in
15917         'asm'.
15918         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
15919         asm_string instead of STRING.
15920
15921 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
15922
15923         * c-typeck.c (constructor_no_implicit): Remove.
15924         (set_designator, process_init_element): Don't check
15925         constructor_no_implicit.
15926
15927 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
15928             Kaz Kojima  <kkojima@gcc.gnu.org>
15929
15930         PR target/16482
15931         * lcm.c (create_pre_exit): New.
15932         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
15933         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
15934
15935 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
15936
15937         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
15938         -msoft-float in target_float_switch.
15939         * arm.c (arm_override_options): Fix processing of target_float_switch.
15940
15941 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
15942
15943         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
15944         preferencing.
15945
15946 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
15947
15948         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
15949         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
15950
15951 2005-01-04  Roger Sayle  <roger@eyesopen.com>
15952
15953         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
15954         if deleting the then-block allows the test-block to fallthru to the
15955         else-block.
15956
15957 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
15958
15959         PR c/19152
15960         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
15961         after the full declaration if the are in two different TUs.
15962
15963 2005-01-04  Richard Henderson  <rth@redhat.com>
15964
15965         PR tree-opt/19158
15966         * tree-sra.c (generate_one_element_init): Just
15967         call gimplify_and_add.
15968         (generate_element_init): Record the
15969         new referenced variables and mark them for renaming
15970         and split out to ...
15971         (generate_element_init_1): This.
15972         (scalarize_init): Don't call push_gimplify_context/
15973         pop_gimplify_context.
15974
15975 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
15976
15977         * toplev.c (get_src_pwd): Handle failure of getpwd().
15978
15979 2005-01-04  Roger Sayle  <roger@eyesopen.com>
15980
15981         * fold-const.c (fold_single_bit_test): Delete unreachable handling
15982         of TRUTH_NOT_EXPR.
15983         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
15984         all the cases handled by it are inverted by invert_truthvalue.
15985
15986 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
15987
15988         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
15989         (save_register_windowsi): Likewise.
15990
15991 2005-01-04  Richard Henderson  <rth@redhat.com>
15992
15993         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
15994
15995 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
15996
15997         PR middle-end/17767
15998         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
15999         any simplifications of vector mode comparison operators.
16000         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
16001
16002 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
16003             Devang Patel  <dpatel@apple.com>
16004
16005         PR tree-optimization/18308
16006         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
16007         the operands before creating a new expression.
16008         * dojump.c (do_jump): Make drop_through_label available
16009         for all cases.  Add expansion of COND_EXPR.
16010
16011 2005-01-04  Ira Rosen  <irar@il.ibm.com>
16012
16013         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
16014         INTEGER_CST instead of TREE_CONSTANT.
16015         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
16016         instead of TREE_CONSTANT.
16017         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
16018         instead of TREE_CONSTANT.
16019
16020 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
16021
16022         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
16023
16024 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
16025
16026         PR target/19240
16027         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
16028         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
16029
16030 2005-01-03  Richard Henderson  <rth@redhat.com>
16031
16032         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
16033         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
16034         fold_convert_const_real_from_real): Split out from ...
16035         (fold_convert_const): ... here.
16036
16037 2005-01-03  Richard Henderson  <rth@redhat.com>
16038
16039         PR target/19235
16040         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
16041         (mov<MMXMODEI>_internal): Likewise.
16042         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
16043         Add V2SF case; use it for SSE1; don't use TI.
16044         (movdf_integer): Likewise.
16045         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
16046
16047 2005-01-03  Ira Rosen  <irar@il.ibm.com>
16048
16049         * tree-vectorizer.c (vect_strip_conversions): New function.
16050         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
16051         check for binary class.
16052
16053 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
16054
16055         Fix PR debug/17924
16056         Fix PR debug/19191
16057         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
16058         is a decl.
16059         * gimple-low.c (mark_blocks_with_used_vars): New function.
16060         (mark_blocks_with_used_subblocks): Ditto.
16061         (mark_used_blocks): Ditto.
16062         (pass_mark_used_blocks): New pass.
16063         * tree-inline.c: Include debug.h.
16064         (expand_call_inline): Call outlining_inline_function here.
16065         * tree-optimize.c (init_tree_optimization_passes): Add
16066         pass_mark_used_blocks.
16067         * tree-pass.h (pass_mark_used_blocks): New.
16068         * Makefile.in (tree-inline.o): Add debug.h dependency.
16069
16070 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
16071
16072         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
16073         VAR_DECLs to have weak_import attribute.
16074
16075         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
16076         'struct ucontext'.
16077
16078 2004-01-03  Steven Bosscher  <stevenb@suse.de>
16079
16080         * passes.c (rest_of_compilation): Don't run regmove if only
16081         flag_expensive_optimizations, require flag_regmove instead.
16082
16083 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
16084
16085         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
16086         register "sparc".
16087         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
16088         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
16089         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
16090         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
16091
16092 2005-01-03  Richard Henderson  <rth@redhat.com>
16093
16094         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
16095         (ia64_const_ok_for_letter_p): New.
16096         (ia64_const_double_ok_for_letter_p): New.
16097         (ia64_extra_constraint): New.
16098         (ia64_expand_vecint_compare): New.
16099         (ia64_expand_vcondu_v2si): New.
16100         (ia64_expand_vecint_cmov): New.
16101         (ia64_expand_vecint_minmax): New.
16102         (ia64_print_operand): Add 'v'.
16103         (ia64_preferred_reload_class): New.
16104         (ia64_vector_mode_supported_p): New.
16105         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
16106         (PREFERRED_RELOAD_CLASS): Move to function.
16107         (CONST_OK_FOR_LETTER_P): Move to function.
16108         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
16109         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
16110         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
16111         (EXTRA_CONSTRAINT): Move to function.
16112         * config/ia64/ia64.md: Include vect.md.
16113         (itanium_class): Add mmalua.
16114         (type): Handle it.
16115         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
16116         (1b_mmalua): New.
16117         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
16118         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
16119         CONST0_RTX.
16120         (const_int_2bit_operand): New.
16121         (fr_reg_or_0_operand): New.
16122         * config/ia64/ia64-modes.def: Add vector modes.
16123         * config/ia64/ia64-protos.h: Update.
16124         * config/ia64/vect.md: New file.
16125
16126 2005-01-03  Richard Henderson  <rth@redhat.com>
16127
16128         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
16129
16130 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
16131
16132         PR target/19236
16133         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
16134         to SFmode.
16135         (log1pdf2): Change mode of operands[0,1] to DFmode.
16136
16137 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
16138
16139         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
16140         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
16141         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
16142         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
16143         SPARC_RELAXED_ORDERING.
16144
16145 2005-01-03  Richard Henderson  <rth@redhat.com>
16146             Uros Bizjak  <uros@kss-loka.si>
16147
16148         PR target/14631
16149         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
16150         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
16151         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
16152         handling.
16153         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
16154         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
16155         const_pow2_1_to_128_operand): New predicates.
16156
16157 2005-01-02  Greg McGary  <greg@mcgary.org>
16158
16159         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
16160         anonymous decls.
16161         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
16162         object.  [ptr_type]: Remove unused variable.
16163         Remember nearest addressable array-element or record-component
16164         when checking bitfield components.  Tolerate empty BIND_EXPR.
16165
16166 2005-01-01  Richard Henderson  <rth@redhat.com>
16167
16168         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
16169         that don't narrow the value.  Fail for other conversions.
16170
16171 2005-01-01  Richard Henderson  <rth@redhat.com>
16172
16173         PR c/19031
16174         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
16175         * c-lang.c (finish_file): Don't do it here.
16176         * objc/objc-act.c (objc_finish_file): Likewise.
16177
16178         * cgraph.c (decl_assembler_name_equal): New.
16179         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
16180         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
16181         * cgraph.h (struct cgraph_varpool_node): Add next.
16182         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
16183         * varasm.c (assemble_alias): Mark the target as needed.
16184
16185 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
16186
16187         PR middle-end/19221
16188         * function.c (get_arg_pointer_save_area): Use entry_of_function
16189         instead of get_insns.
16190
16191 2005-01-01  Roger Sayle  <roger@eyesopen.com>
16192             Andrew Pinski  <pinskia@physics.uc.edu>
16193             James E. Wilson  <wilson@specifixinc.com>
16194
16195         PR rtl-optimization/12092
16196         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
16197         is zero.
16198
16199 2005-01-01  Roger Sayle  <roger@eyesopen.com>
16200             Olivier Hainque  <hainque@act-europe.fr>
16201
16202         * tree.c (int_fits_type_p): A narrower type always fits in a
16203         wider one, except for negative values into unsigned types.
16204
16205 2005-01-01  Roger Sayle  <roger@eyesopen.com>
16206
16207         * tree.c (int_fits_type_p): Compare the result of force_fit_type
16208         with the original constant rather than require TREE_OVERFLOW.
16209
16210 2005-01-01  Steven Bosscher  <stevenb@suse.de>
16211
16212         PR middle-end/17544
16213         * c-decl.c (finish_function): If compiling C99, annotate the
16214         compiler generated return with the current file name and line 0.
16215         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
16216         the source line is greater than 0.
16217         (remove_bb): Likewise.