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2005-05-07 Paul Brook <paul@codesourcery.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-05-07  Paul Brook  <paul@codesourcery.com>
2
3         * Makefile.in: Fix dependencies.
4         (GCOV_IO_H, VARRAY_H): Set.
5
6 2005-05-07  Anthony Green  <green@redhat.com>
7
8         PR bootstrap/21403
9         * configure.ac (STMP_FIXPROTO): Fix [ ] consumption problem in
10         x$STMP_FIXPROTO test.
11         * configure: Rebuilt.
12
13 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
14
15         * config/pa/pa-hpux11.h (TARGET_OS_CPP_BUILTINS): Do not define
16         inappropriate feature test macros if flag_iso.
17
18 2005-05-07  Joseph S. Myers  <joseph@codesourcery.com>
19
20         * config/ia64/hpux.h (NO_IMPLICIT_EXTERN_C): Define.
21
22 2005-05-07  Hans-Peter Nilsson  <hp@axis.com>
23
24         PR target/21441
25         * config/cris/cris.md ("*movdi_insn", "*mov_sidesisf_biap")
26         ("*mov_sidesisf", "*mov_sidesisf_biap_mem", "*mov_sidesisf_mem"):
27         Handle moved operand being in special register.
28         ("smulsi3_highpart", "umulsi3_highpart"): Change .error into
29         presumed working insn.
30         (mover2side): Add FIXME.
31
32 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
33
34         * integrate.c (get_func_hard_reg_initial_val): Delete.
35         (has_func_hard_reg_initial_val): Delete.
36         (get_hard_reg_initial_val): Inline the old implementation of
37         get_func_hard_reg_initial_val.  Use has_hard_reg_initial_val
38         instead of has_func_hard_reg_initial_val to test for an existing
39         pseudo.  Only create an rtx if a new initial value entry is needed.
40         (has_hard_reg_initial_val): Scan the initial value list directly.
41         Don't create an rtx.
42
43 2005-05-07  David Edelsohn  <edelsohn@gnu.org>
44
45         * config.gcc ({powerpc,rs6000}-ibm-aix*): Remove rs6000/aix.opt
46         from extra_options.
47         * config.in (HAVE_AS_POPCNTB): New.
48         * configure.ac (HAVE_AS_MFCRF): Add .machine "pwr5" to AIX test.
49         (HAVE_AS_POPCNTB): New.
50         * configure: Regenerated.
51         * config/rs6000/aix.h (TARGET_XL_COMPAT): Delete.
52         * config/rs6000/rs6000.c (rs6000_override_options, power5): Add
53         MASK_POPCNTB.  Uncomment rs6000_sched_restricted_insns_priority
54         and rs6000_sched_costly_dep.
55         * config/rs6000/rs6000.h (TARGET_POPCNTB): New.
56         (TARGET_XL_COMPAT): Delete.
57         * config/rs6000/rs6000.md (UNSPEC_POPCNTB): New.
58         (popcount<mode>2): New.
59         (popcntb<mode>2): New.
60         * config/rs6000/rs6000.opt (mpopcntb): New.
61
62         * opt-functions.awk (var_set): Emit OPTION_MASK_ for InverseMask
63         if variable name exists.
64
65 2005-05-07  Matt Kraai  <kraai@ftbfs.org>
66
67         * Makefile.in (c-gimplify.o): Depend on $(RTL_H) instead of rtl.h.
68
69 2005-05-07  Richard Henderson  <rth@redhat.com>
70
71         PR target/21412
72         * config/rs6000/rs6000.c (rs6000_emit_move): Look for tls addresses
73         with constant offsets.
74
75 2005-05-07  Nathan Sidwell  <nathan@codesourcery.com>
76
77         * config/v850/v850.c (print_operand): Use gcc_assert and
78         gcc_unreachable, as appropriate.
79         (print_operand_address, v850_handle_data_area_attribute,
80         v850_encode_data_area, construct_restore_jr, construct_save_jarl,
81         v850_insert_attributes, construct_prepare_instruction): Likewise.
82         * config/v850/v850.h (INITIAL_ELIMINATION_OFFSET): Likewise.
83         * config/v850/v850.md (movsicc, *sasf_1): Likewise.
84
85 2005-05-07  Kazu Hirata  <kazu@cs.umass.edu>
86
87         * tree-ssa-loop-ivcanon.c, config/i386/i386.c,
88         config/rs6000/rs6000.h: Fix comment typos.
89
90 2005-05-07  Richard Sandiford  <rsandifo@redhat.com>
91
92         * doc/invoke.texi: Remove documentation for MIPS' -mint64 option.
93         * config/mips/mips.c (TARGET_SCALAR_MODE_SUPPORTED_P): Delete.
94         (mips_scalar_mode_supported_p): Delete.
95
96 2005-05-06  Eric Christopher  <echristo@redhat.com>
97
98         * config/mips/mips.opt: Remove -mint64 option.
99         * config/mips/mips.c (override_options): Remove -mint64
100         handling.
101         * config/mips/mips.h (INT_TYPE_SIZE): Define to 32.
102         * config/mips/linux.h (TARGET_OS_CPP_BUILTINS): Remove
103         64-bit integer handling.
104         * doc/invoke.texi (Option Summary): Remove -mint64 for
105         mips.
106
107 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
108
109         PR tree-optimization/19401
110         * tree-flow.h (tree_unroll_loops_completely): Declaration changed.
111         * tree-ssa-loop-ivcanon.c (enum unroll_level): New.
112         (estimated_unrolled_size): New function.
113         (try_unroll_loop_completely, canonicalize_loop_induction_variables,
114         tree_unroll_loops_completely): Always unroll loops if the code size
115         does not increase.
116         * tree-ssa-loop.c (tree_complete_unroll): Indicate whether all
117         loops should be unrolled completely.
118         (gate_tree_complete_unroll): Run complete unrolling unconditionally.
119
120 2005-05-06  Zdenek Dvorak  <dvorakz@suse.cz>
121
122         PR rtl-optimization/21254
123         * loop-iv.c (iv_number_of_iterations): Simplify infiniteness
124         assumptions for loops that otherwise do not roll.
125         (find_simple_exit): Prefer # of iterations that is guaranteed
126         not to be infinite.
127         * loop-unroll.c (decide_peel_once_rolling,
128         decide_peel_completely): Check whether the loop is infinite.
129
130 2005-05-06  Pat Haugen  <pthaugen@us.ibm.com>
131
132         * config/rs6000/sysv4.opt: Fix typo.
133
134 2005-05-06  Denis Vlasenko  <vda@port.imtp.ilyichevsk.odessa.ua>
135             Jakub Jelinek  <jakub@redhat.com>
136
137         PR target/21329
138         * config/i386/i386.c (ix86_expand_movmem): Don't use rep; movsb
139         for -Os if (movsl;)*(movsw;)?(movsb;)? sequence is shorter.
140         Don't use rep; movs{l,q} if the repetition count is really small,
141         instead use a sequence of movs{l,q} instructions.
142
143 2005-05-06  Jeff Law  <law@redhat.com>
144
145         PR tree-optimization/21380
146         * tree-ssa-threadupdate.c (thread_through_all_blocks): Do not
147         thread through a block with no preds.
148
149 2005-05-06  Kazu Hirata  <kazu@cs.umass.edu>
150
151         * tree-ssa-operands.c (clobbered_v_may_defs, clobbered_vuses,
152         ro_call_vuse, fini_ssa_operands, add_call_clobber_ops,
153         add_call_read_ops): Use VEC instead of VARRAY.
154
155 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
156
157         * config/mcore/mcore.c (mcore_print_operand_address): Use
158         gcc_assert and gcc_unreachable as appropriate.
159         (mcore_print_operand, mcore_gen_compare_reg, mcore_output_call,
160         mcore_output_andn, output_inline_const, mcore_output_move,
161         mcore_output_movedouble, mcore_expand_block_move,
162         layout_mcore_frame, mcore_initial_elimination_offset,
163         mcore_expand_prolog, mcore_mark_dllexport,
164         mcore_mark_dllimport): Likewise.
165         * config/mcore/mcore.h (switch_to_section): Likewise.
166         * config/mcore/mcore.md: Likewise.
167
168 2005-05-06  Aldy Hernandez  <aldyh@redhat.com>
169
170         * config/rs6000/linux64.h: Remove MASK_PROFILE_KERNEL, and
171         TARGET_PROFILE_KERNEL.
172
173         * config/rs6000/rs6000.c (output_profile_hook): Add comment to
174         TARGET_PROFILE_KERNEL use.
175
176 2005-05-06  Nathan Sidwell  <nathan@codesourcery.com>
177
178         * config/m32r/m32r.c (m32r_encode_section_info): Use gcc_assert
179         and gcc_unreachable, as appropriate.
180         (gen_compare, gen_split_move_double, m32r_setup_incoming_varargs,
181         m32r_expand_prologue, m32r_output_function_epilogue,
182         m32r_legitimize_pic_address, m32r_print_operand_address,
183         emit_cond_move, m32r_function_symbol,
184         m32r_output_block_move): Likewise.
185         * config/m32r/m32r.h (INITIAL_ELIMINATION_OFFSET): Likewise.
186         * config/m32r/m32r.md ( *movsi_insn, *zero_branch_insn,
187         *rev_zero_branch_insn): Likewise.
188         
189 2005-05-06  Jakub Jelinek  <jakub@redhat.com>
190
191         PR c++/20961
192         * varasm.c (merge_weak): Remove NEWDECL from WEAK_DECLS chain
193         if both NEWDECL and OLDDECL are already weak.
194
195 2005-05-06  Richard Sandiford  <rsandifo@redhat.com>
196
197         * config/rs6000/sysv4.h (EXTRA_SUBTARGET_SWITCHES): Delete.
198
199 2005-05-05  J"orn Rennecke  <joern.rennecke@st.com>
200             Kaz Kojima  <kkojima@gcc.gnu.org>
201
202         * config/sh/sh.c (sh_builtin_saveregs): Use copy_to_mode_reg
203         and plus_constant.
204
205 2005-05-05  Aldy Hernandez  <aldyh@redhat.com>
206             David Edelsohn  <edelsohn@gnu.org>
207
208         * config.gcc: Add .opt magic for the rs6000 ports.
209
210         * doc/invoke.texi: Document -mabi= option properly.  Document
211         -misel and -mno-sel.  Document -mspe and -mno-spe.  Document
212         -mvrsave and -mno-vrsave.  Document deprecation of -mspe= and
213         -misel=.
214
215         * config/rs6000/aix.h: Remove XL_COMPAT stuff.  Remove
216         SUBTARGET_SWITCHES and SUBSUBTARGET_SWITCHES.  Define
217         TARGET_XL_COMPAT.
218
219         * config/rs6000/aix.opt: New.
220         * config/rs6000/aix41.opt: New.
221         * config/rs6000/aix64.opt: New.
222         * config/rs6000/darwin.opt: New.
223         * config/rs6000/linux64.opt: New.
224         * config/rs6000/rs6000.opt: New.
225         * config/rs6000/sysv4.opt: New.
226
227         * config/rs6000/sysv4.h: Delete definitions of MASK_* and
228         associated TARGET_*.  Remove SUBTARGET_OPTIONS,
229         SUBTARGET_SWITCHES.
230         Define TARGET_USES_SYSV4_OPT.
231         * config/rs6000/aix41.h: Remove SUBSUBTARGET_SWITCHES.
232         * config/rs6000/aix43.h: Remove SUBSUBTARGET_SWITCHES.  Define
233         TARGET_USES_AIX64_OPT.
234         * config/rs6000/aix51.h: Same.
235         * config/rs6000/aix52.h: Same.
236         * config/rs6000/darwin.h: Remove SUBTARGET_SWITCHES,
237         MASK_MACHO_DYNAMIC_NO_PIC, TARGET_MACHO_DYNAMIC_NO_PIC.
238         Use TARGET_ALTIVEC_VRSAVE instead of rs6000_altivec_vrsave.
239         Define TARGET_DYNAMIC_NO_PIC as TARGET_MACHO_DYNAMIC_NO_PIC.
240         * config/rs6000/linux64.h: Use
241         rs6000_explicit_options.  Remove EXTRA_SUBTARGET_SWITCHES.
242
243         * config/rs6000/rs6000.c: Remove definitions of
244         rs6000_sched_restricted_insns_priority,
245         rs6000_long_double_size_string, rs6000_altivec_vrsave,
246         rs6000_altivec_vrsave_string, rs6000_isel, rs6000_spe,
247         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
248         rs6000_abi_string, rs6000_warn_altivec_long, rs6000_longcall,
249         rs6000_alignment_string.  Define rs6000_explicit_options.
250         (rs6000_parse_abi_options): Remove.
251         (rs6000_parse_alignment_option): Remove.
252         (rs6000_parse_float_gprs_option): Remove.
253         (rs6000_handle_option): New.  Define TARGET_HANDLE_OPTION.  Define
254         TARGET_DEFAULT_TARGET_FLAGS.
255         (rs6000_override_options): Revamp to use new .opt machinery.
256
257         * config/rs6000/rs6000.h: Remove old MASK_* and TARGET_* in favor
258         of new .opt machinery.  Remove target_flags.  Redefine
259         TARGET_MFCRF and TARGET_POWERPC64.  Remove TARGET_SWITCHES,
260         SUBTARGET_SWITCHES, TARGET_OPTIONS, SUBTARGET_OPTIONS,
261         rs6000_float_gprs_string, rs6000_isel_string, rs6000_spe_string,
262         rs6000_altivec_vrsave_string, rs6000_altivec_vrsave,
263         rs6000_longcall_switch, rs6000_default_long_calls,
264         rs6000_sched_costly_dep_str, rs6000_sched_costly_dep,
265         rs6000_warn_altivec_long, rs6000_warn_altivec_long_switch, and
266         TARGET_ALTIVEC_VRSAVE.
267
268 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
269
270         * config.gcc (hppa1.1-*-rtems*): Remove.
271         * config/pa/rtems.h: Remove.
272
273 2005-05-05  Ralf Corsepius  <ralf.corsepius@rtems.org>
274
275         * config/rs6000/t-rtems (MULTILIB_NEW_EXCEPTIONS_ONLY):
276         Exclude roe/603e multilib variants.
277
278 2005-05-04  Denis Chertykov  <denisc@overta.ru>
279
280         PR target/21284
281         * config/avr/avr.c (avr_output_addr_vec_elt): Use special section
282         for output.
283
284 2005-05-05  Richard Sandiford  <rsandifo@redhat.com>
285
286         * config.gcc (arm*-wince-pe*, arm-*-pe*, strongarm-*-pe): Add
287         arm/pe.opt to $extra_options.
288         * config/arm/arm.h (target_flags, target_fpu_name, target_fpe_name)
289         (target_float_abi_name, target_float_switch, target_abi_name)
290         (ARM_FLAG_APCS_FRAME, ARM_FLAG_POKE, ARM_FLAG_FPE, ARM_FLAG_APCS_STACK)
291         (ARM_FLAG_APCS_FLOAT, ARM_FLAG_APCS_REENT, ARM_FLAG_BIG_END)
292         (ARM_FLAG_INTERWORK, ARM_FLAG_LITTLE_WORDS, ARM_FLAG_NO_SCHED_PRO)
293         (ARM_FLAG_ABORT_NORETURN, ARM_FLAG_SINGLE_PIC_BASE)
294         (ARM_FLAG_LONG_CALLS, ARM_FLAG_THUMB, THUMB_FLAG_BACKTRACE)
295         (THUMB_FLAG_LEAF_BACKTRACE, THUMB_FLAG_CALLEE_SUPER_INTERWORKING)
296         (THUMB_FLAG_CALLER_SUPER_INTERWORKING, CIRRUS_FIX_INVALID_INSNS)
297         (TARGET_APCS_FRAME, TARGET_POKE_FUNCTION_NAME, TARGET_FPE)
298         (TARGET_APCS_STACK, TARGET_APCS_FLOAT, TARGET_APCS_REENT)
299         (TARGET_BIG_END, TARGET_INTERWORK, TARGET_LITTLE_WORDS)
300         (TARGET_NO_SCHED_PRO, TARGET_ABORT_NORETURN, TARGET_SINGLE_PIC_BASE)
301         (TARGET_LONG_CALLS, TARGET_THUMB, TARGET_CALLER_INTERWORKING)
302         (TARGET_CIRRUS_FIX_INVALID_INSNS, SUBTARGET_SWITCHES, TARGET_SWITCHES)
303         (TARGET_OPTIONS, arm_cpu_select, arm_select,  structure_size_string)
304         (arm_pic_register_string): Delete.
305         (TARGET_BACKTRACE): Redefine using TARGET_TPCS_LEAF_FRAME and
306         TARGET_TPCS_FRAME.
307         (TARGET_DEFAULT, CONDITIONAL_REGISTER_USAGE): Update mask names.
308         * config/arm/coff.h (TARGET_DEFAULT): Likewise.
309         * config/arm/elf.h (TARGET_DEFAULT): Likewise.
310         * config/arm/netbsd-elf.h (TARGET_DEFAULT): Likewise.
311         * config/arm/netbsd.h (TARGET_DEFAULT): Likewise.
312         * config/arm/semi.h (TARGET_DEFAULT): Likewise.
313         * config/arm/uclinux-elf.h (TARGET_DEFAULT): Likewise.
314         * config/arm/wince-pe.h (TARGET_DEFAULT): Likewise.
315         * config/arm/pe.h (TARGET_DEFAULT): Likewise.
316         (TARGET_FLAG_NOP_FUN, TARGET_NOP_FUN_DLLIMPORT): Delete.
317         (SUBTARGET_SWITCHES): Delete.
318         * config/arm/arm.c (target_float_switch): Delete.
319         (arm_cpu_select): Moved from config/arm/arm.h.
320         (target_fpu_name, target_fpe_name, target_float_abi_name)
321         (target_abi_name, structure_size_string, arm_pic_register_string)
322         (arm_select): Make static.
323         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
324         (arm_handle_option): New function.
325         (arm_override_options): Update target_flags checks for new mask names.
326         Remove target_float_switch code.
327         (arm_expand_prologue, thumb_expand_prologue): Check
328         !TARGET_SCHED_PROLOG instead of TARGET_NO_SCHED_PRO.
329         * config/arm/arm.opt, config/arm/pe.opt: New files.
330
331 2005-05-05  Nathan Sidwell  <nathan@codesourcery.com>
332
333         * config/arc/arc.c (get_arc_condition_code): Use gcc_assert &
334         gcc_unreachable as appropriate.
335         (arc_double_limm_p, arc_setup_incoming_varargs,
336         arc_compute_function_type, arc_output_function_prologue,
337         arc_output_function_epilogue, arc_eligible_for_epilogue_delay,
338         output_shift, arc_print_operand, arc_print_operand_address,
339         arc_final_prescan_insn): Likewise.
340         * config/arc/arc.md (*movdi_insn, *movdf_insn): Likewise.
341
342 2005-05-04  Geoffrey Keating  <geoffk@apple.com>
343
344         * config/rs6000/rs6000.md (P): Use TARGET_*BIT rather than
345         comparing Pmode.
346         (SDI): New.
347         (cmp): Delete.
348         (wd): New.
349         (add<mode>3, add<mode>3_internal1, add<mode>3_internal2,
350         add<mode>3_internal3, one_cmpl<mode>2, sub<mode>3, neg<mode>2,
351         clz<mode>2, ctz<mode>2, ffs<mode>2): New.
352         (addsi3, addsi3_internal1, addsi3_internal2, addsi3_internal3,
353         (one_cmplsi2, subsi3, negsi2, clzsi2, ctzsi2, ffssi2): Remove.
354         (adddi3, adddi3_internal1, adddi3_internal2, adddi3_internal3,
355         (one_cmpldi2, subdi3, negdi2, clzdi2, ctzdi2, ffsdi2): Remove.
356         (sync_compare_and_swap<mode>): Use <wd> rather than <cmp>.
357
358 2005-05-05  Paul Brook  <paul@codesourcery.com>
359
360         * Makefile.in: Replace dependencies on basic-block.h, c-pragma.h,
361         cfgloop.h, diagnostic.h, insn-attr.h, langhooks-def.h, params.h,
362         regs.h, system.h, tree-dump.h, tree-gimple.h, tree-scalar-evolution.h
363         and tree-data-ref.h with *_H variables.
364
365 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
366
367         * config/m32r/xm-m32r.h, config/m32r/xm-linux.h: Delete files.
368
369 2005-05-05  Kelley Cook  <kcook@gcc.gnu.org>
370
371         * system.h: Poison BYTEORDER and HOST_WORDS_BIG_ENDIAN.
372
373 2005-05-04  Gerald Pfeifer  <gerald@pfeifer.com>
374
375         * doc/contrib.texi (Contributors): Add Mostafa Hagog and Ayal Zaks.
376
377 2005-05-04 Fariborz Jahanian <fjahanian@apple.com>
378
379         * config/rs6000/rs6000.c (rs6000_emit_prologue): Emit
380         setting of vrsave register for current function after
381         call to save_world is emitted.
382
383 2005-05-05  Hans-Peter Nilsson  <hp@bitrange.com>
384
385         * config/mmix/predicates.md: New file.
386         * config/mmix/mmix.c (mmix_symbolic_or_address_operand)
387         (mmix_reg_or_constant_operand, mmix_reg_cc_operand)
388         (mmix_foldable_comparison_operator, mmix_comparison_operator)
389         (mmix_reg_or_0_operand, mmix_reg_or_8bit_operand): Remove.
390         * config/mmix/mmix.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
391         Don't define.
392         * config/mmix/mmix.md: Include predicates.md.
393         ("call", "call_value"): Force address to register if it isn't a
394         mmix_symbolic_or_address_operand.
395
396 2005-05-04  Andrew MacLeod  <amacleod@redhat.com>
397
398         * tree-flow-inline.h (op_iter_init_use, op_iter_init_def): Assert that
399         the flags are of appropriate types.
400         (num_ssa_operands): Generalize using the generic interface.
401         * tree-ssa-dce.c (remove_dead_stmt): Don't ask for kills on a DEF
402         iterator.
403
404 2005-05-04  Richard Sandiford  <rsandifo@redhat.com>
405
406         * protoize.c (version_flag, quiet_flag, nochange_flag, nosave_flag)
407         (keep_flag, local_flag, global_flag, cplusplus_flag): Make extern.
408
409 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
410
411         * tree-outof-ssa.c (edge_leader, stmt_list,
412         analyze_edges_for_bb): Use VEC instead of VARRAY.
413         (init_analayze_edges_for_bb, fini_analayze_edges_for_bb): New.
414         (perform_edge_inserts): Call init_analayze_edges_for_bb and
415         fini_analayze_edges_for_bb.
416
417 2005-05-04  James E Wilson  <wilson@specifixinc.com>
418
419         PR driver/21112
420         * gcc.c (process_command): In the second argv scan loop, ignore
421         Xassembler and Xpreprocessor, along with their argument.
422
423 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
424
425         * tree-flow-inline.h, tree-ssa-operands.c,
426         tree-ssa-operands.h, tree-ssa-opfinalize.h:
427         Likewise. tree-vn.c: Fix comment typos.
428         * doc/passes.texi, doc/tree-ssa.texi: Fix typos.
429
430 2005-05-04  Paolo Bonzini  <bonzini@gnu.org>
431
432         * doc/tm.texi (Target Hooks): Document
433         TARGET_RESOLVE_OVERLOADED_BUILTIN.
434
435 2005-05-04  Paul Brook  <paul@codesourcery.com>
436
437         * Makefile.in: Change dependencies on target.h to $(TARGET_H).
438
439 2005-05-04  Kazu Hirata  <kazu@cs.umass.edu>
440
441         * dwarf2out.c (incomplete_types, retry_incomplete_types,
442         gen_struct_or_union_type_die, dwarf2out_init): Use VEC instead
443         of VARRAY.
444
445         * loop-unroll.c (var_to_expand, analyze_insn_to_expand_var,
446         get_expansion, expand_var_during_unrolling,
447         insert_var_expansion_initialization,
448         combine_var_copies_in_loop_exit, release_var_copies): Use VEC
449         instead of VARRAY.
450
451         * tree-ssa-loop-ivopts.c (rewrite_address_base): Don't call
452         update_stmt.
453
454 2004-05-03  Andrew Pinski  <pinskia@physics.uc.edu>
455
456         PR middle-end/15618
457         * fold-const.c (fold_widened_comparison): Treat BOOLEAN_TYPE
458         the same as INTEGER_TYPE.
459         (fold_binary): Fold "bool_var != 0" to bool_var.
460         Fold "bool_var == 1" to bool_var.
461
462 2004-05-03  Richard Henderson  <rth@redhat.com>
463
464         PR middle-end/21318
465         * function.c (instantiate_virtual_regs_in_insn): Use the mode
466         from recog_data instead of insn_data.
467
468 2005-05-03  DJ Delorie  <dj@redhat.com>
469
470         * common.opt (fdiagnostics-show-option): No variable is needed.
471         * diagnostic.h (diagnostic_context): Add show_option_requested flag.
472         * diagnostic.c (diagnostic_initialize): Initialize show_option_requested.
473         (diagnostic_report_diagnostic): Test for enabled diagnostics here.
474         Save and restore original message format.  Use flag in context
475         instead of global.
476         (warning): Don't test for enabled warnings here.
477         * opts.c (common_handle_option): Handle -fdiagnostics-show-option
478         here.
479
480 2005-05-04  Kelley Cook  <kcook@gcc.gnu.org>
481
482         * config/m32r/xm-m32r.h: Don't define HOST_WORDS_BIG_ENDIAN.
483         * config/m32r/xm-linux.h: Don't undefine HOST_WORDS_BIG_ENDIAN.
484         * mips-tfile.c: Use WORDS_BIG_ENDIAN instead of HOST_WORDS_BIG_ENDIAN.
485         * aclocal.m4: Don't include accross.m4.
486         * configure.ac: Use AC_C_BIGENDIAN instead of AC_C_BIGENDIAN_CROSS.
487         Use AC_CHECK_SIZEOF instead of AC_COMPILE_CHECK_SIZEOF.
488         * configure, config.in: Regenerate.
489         
490 2005-05-04  Jakub Jelinek  <jakub@redhat.com>
491
492         PR middle-end/21265
493         * expr.h (enum block_op_methods): Add BLOCK_OP_TAILCALL.
494         (clear_storage): Add argument.
495         * expr.c (emit_block_move_via_libcall, clear_storage_via_libcall):
496         Add tailcall argument, set CALL_EXPR_TAILCALL of the CALL_EXPR to
497         tailcall.
498         (emit_block_move): Handle BLOCK_OP_TAILCALL method.
499         (clear_storage): Add method argument, handle BLOCK_OP_TAILCALL.
500         (store_expr, store_constructor): Adjust callers.
501         * builtins.c (expand_builtin_memcpy): Pass BLOCK_OP_TAILCALL
502         to emit_block_move if CALL_EXPR_TAILCALL (exp).
503         (expand_builtin_memmove): Add ORIG_EXP argument, copy
504         CALL_EXPR_TAILCALL from ORIG_EXP to the new CALL_EXPR.
505         (expand_builtin_bcopy): Replace ARGLIST and TYPE arguments
506         with EXP.  Pass EXP to expand_builtin_memmove.
507         (expand_builtin_memset): Add ORIG_EXP argument, pass
508         BLOCK_OP_TAILCALL to clear_storage if CALL_EXPR_TAILCALL (orig_exp).
509         (expand_builtin_bzero): Replace ARGLIST argument with EXP.
510         Pass EXP to expand_builtin_memset.
511         (expand_builtin_strcmp): Copy CALL_EXPR_TAILCALL from EXP to
512         the new CALL_EXPR.
513         (expand_builtin_strncmp): Likewise.
514         (expand_builtin_printf): Replace ARGLIST argument with EXP.
515         Copy CALL_EXPR_TAILCALL from EXP to the new CALL_EXPR.
516         (expand_builtin_fprintf): Likewise.
517         (expand_builtin): Adjust calls to
518         expand_builtin_{memmove,bcopy,memset,bzero,{,f}printf}.
519
520         * config/i386/i386.c (ix86_expand_vector_set): Fix setting 3rd and 4th
521         item in V4SF mode.
522
523         PR rtl-optimization/21239
524         * combine.c (combine_simplify_rtx) <case VEC_SELECT>: Fix a typo.
525
526 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
527
528         * tree-flow.h (tree_ann_common_d): Move aux to ...
529         (stmt_ann_d): ... here.
530         * tree-ssa-loop-im.c (LIM_DATA, determine_invariantness_stmt,
531         move_computations_stmt, schedule_sm): Update references to
532         aux.
533         * tree-vectorizer.h (set_stmt_info, vinfo_for_stmt): Likewise.
534
535         * tree-cfg.c (remove_bb): Remove a redundant call to
536         set_bb_for_stmt.
537         * tree-if-conv.c (replace_phi_with_cond_modify_expr):
538         Likewise.
539
540 2005-05-03  Richard Henderson  <rth@redhat.com>
541
542         * config/rs6000/rs6000.c: Remove conflict markers.
543
544         * cfg.c (dump_flow_info): Use max_reg_num, not max_regno.
545
546 2005-05-03  James E Wilson  <wilson@specifixinc.com>
547
548         * dwarf2out.c (lookup_filename): Call maybe_emit_file.
549
550 2005-05-03  DJ Delorie  <dj@redhat.com>
551
552         * c-decl.c (store_parm_decls_oldstyle): Let diagnostic machinery
553         decide if the warning will be printed.
554         * calls.c (expand_call): Likewise.
555         * function.c (init-function_start): Likewise.
556
557         * common.opt (-fdiagnostics-show-option): New.
558         * opts.c (option_enabled): Accept the option index instead of a
559         pointer to the option descriptor.
560         * opts.h (option_enabled): Likewise.
561         * toplev.c (print_switch_values): Pass option index, not option
562         descriptor.
563         * diagnostic.h (diagnostic_info): Add option_index.
564         * diagnostic.c: Include opts.h.
565         (diagnostic_set_info): Initialize option_index.
566         (diagnostic_report_diagnostic): Amend option name if appropriate.
567         (warning): Check to see if the specified warning is enabled.
568         Store option index.
569         * doc/invoke.texi (-fdiagnostics-show-options): Document.
570
571 2005-05-03  Richard Henderson  <rth@redhat.com>
572
573         * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Fix ALL_REGS and
574         SPEC_OR_GEN_REGS definitions.
575
576 2005-05-03  Alexandre Oliva  <aoliva@redhat.com>
577
578         PR target/16888
579         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Clear reg names
580         for unavailable registers.
581
582 2005-05-03  Kazu Hirata  <kazu@cs.umass.edu>
583
584         * tree-cfg.c (tree_forwarder_block_p): Fix a typo.
585
586         * cfglayout.c (block_locators_blocks,
587         insn_locators_initialize, insn_scope): Use VEC instead of
588         VARRAY.
589
590         * tree-mudflap.c (deferred_static_decls, mudflap_enqueue_decl,
591         mudflap_finish_file, mudflap_finish_file): Use VEC instead of
592         VARRAY.
593
594 2005-05-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
595
596         * config/sparc/predicates.md (const_compl_high_operand): New.
597         * config/sparc/sparc.c (sparc_emit_set_safe_HIGH64): Rename into
598         gen_safe_HIGH64.
599         (sparc_emit_set_const64_quick1): Adjust for above change.
600         (sparc_emit_set_const64_quick2): Likewise.
601         (sparc_emit_set_const64_longway): Likewise.
602         (sparc_emit_set_const64): Likewise.
603         * config/sparc/sparc.md (movhi_const64_special, movsi_const64_special,
604         movdi_const64_special): Delete.
605         (logical constant splitters): Use const_compl_high_operand.
606
607 2005-05-03  Richard Guenther  <rguenth@gcc.gnu.org>
608
609         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Use STRIP_TYPE_NOPS
610         rather than STRIP_NOPS.
611
612 2005-05-03  Jakub Jelinek  <jakub@redhat.com>
613
614         PR rtl-optimization/21330
615         * loop-unswitch.c (may_unswitch_on): Set *cinsn only when
616         returning non-NULL.
617         (unswitch_single_loop): Clear cinsn when retrying.
618
619         PR target/21297
620         * config/i386/i386.c (legitimize_address): When canonicalizing
621         ASHIFT into MULT, multiply by 1 << shift_count instead of
622         1 << log2 (shift_count).
623
624 2005-05-03  Andrew MacLeod  <amacleod@redhat.com>
625
626         * lambda-code.c (gcc_loop_to_lambda_loop, 
627         lambda_loopnest_to_gcc_loopnest, phi_loop_edge_uses_def,
628         stmt_is_bumper_for_loop, perfect_nest_p, replace_uses_of_x_with_y): Use
629         generic operand interface.
630         * tree-data-ref.c (find_data_references_in_loop): Use generic interface.
631         * tree-dfa.c (collect_dfa_stats_r, mark_new_vars_to_rename): Use
632         generic operand interface.
633         * tree-flow-inline.h (delink_imm_use, link_imm_use_to_list, 
634         link_imm_use, link_imm_use_stmt, relink_imm_use, relink_imm_use_stmt,
635         next_safe_imm_use, has_zero_uses, has_single_use, single_imm_use,
636         num_imm_uses): Use ssa_use_operand_t.
637         (get_def_ops, get_use_ops, get_v_may_def_ops, get_vuse_ops,
638         get_v_must_def_ops): Delete.
639         (get_def_from_ptr, get_phi_result_ptr): Get def directly now.
640         (get_use_op_ptr, get_def_op_ptr, get_v_may_def_result_ptr,
641         get_v_may_def_op_ptr, get_vuse_op_ptr, get_v_must_def_result_ptr,
642         get_v_must_def_kill_ptr): Delete.
643         (delink_stmt_imm_use): Move and use new operand interface.
644         (op_iter_next_use, op_iter_next_def, op_iter_next_tree, op_iter_init,
645         op_iter_next_tree): Use new operand implementation.
646         (clear_and_done_ssa_iter): New.  Initialize a blank operand iterator.
647         (op_iter_init_use, op_iter_init_def, op_iter_init_tree): Add iterator 
648         type check.
649         (op_iter_next_mustdef, op_iter_next_maydef, 
650         op_iter_next_must_and_may_def): Delete. Replace with...
651         (op_iter_next_maymustdef): New.  Combine must and may next operations.
652         (op_iter_init_maydef, op_iter_init_mustdef, 
653         op_iter_init_must_and_may_def): Use new interface.
654         (single_ssa_tree_operand ): New.  Process single operands only as trees.
655         (single_ssa_use_operand): New.  Process single operands only as uses.
656         (single_ssa_def_operand): New.  Process single operands only as defs.
657         (zero_ssa_operands): New.  Return TRUE if there are zero operands of the
658         specified types.
659         (num_ssa_operands): New.  Count the number of specified operands.
660         (compare_ssa_operands_equal): New.  Compare two statements' operands.
661         (single_phi_def): New.  Return true if PHI has one def of the specified
662         operand type.
663         (op_iter_init_phiuse): New.  Initialize the iterator for PHI arguments.
664         (op_iter_init_phidef): New.  Initialize the iterator for the PHI def.
665         * tree-flow.h (struct immediate_use_iterator_d): Use ssa_use_operand_t.
666         (struct stmt_ann_d): Operands field no longer require GTY().
667         (vn_compute, vn_lookup_or_add, vn_add, vn_lookup): Change prototype.
668         * tree-into-ssa.c (mark_def_sites): Use SSA_OP_VMUSTKILL.
669         * tree-outof-ssa.c (check_replaceable, find_replaceable_in_bb, 
670         dump_replaceable_exprs, rewrite_trees): Use generic interface.
671         * tree-phinodes.c (make_phi_node, release_phi_node, resize_phi_node): 
672         Use use_operand_p instead of ssa_imm_use_t *.
673         * tree-pretty-print.c (dump_vops): check if operands are active before
674         dumping virtual operands.
675         * tree-sra.c (sra_walk_function): Use ZERO_SSA_OPERANDS.
676         * tree-ssa-ccp.c (likely_value): Use ZERO_SSA_OPERANDS.
677         (ccp_fold): Use new interface.
678         (ccp_visit_stmt): Remove unused variables and code.
679         (convert_to_gimple_builtin): Insert statements before calling 
680         mark_new_vars_to_rename.
681         * tree-ssa-copy.c (stmt_may_generate_copy): Use ZERO_SSA_OPERANDS.
682         (copy_prop_visit_cond_stmt): Use generic interface.
683         * tree-ssa-dom.c (struct expr_hash_elt): Use stmt pointer, not the 
684         annotation in table.
685         (thread_across_edge): Use generic interface.
686         (initialize_hash_element): Initialzie with stmt, not annotation.
687         (eliminate_redundant_computations): Use generic interface.
688         (record_equivalences_from_stmt): Pass stmt, not annotation.
689         (avail_expr_hash, real_avail_expr_hash, avail_expr_eq): Use generic
690         interface.
691         * tree-ssa-dse.c (dse_optimize_stmt): Use ZERO_SSA_OPERANDS.
692         * tree-ssa-loop-ivopts.c (find_invariants_stmt, 
693         find_interesting_uses_stmt, protect_loop_closed_ssa_form_use): Use 
694         generic operand interface.
695         * tree-ssa-loop-niter.c (chain_of_csts_start, get_val_for): Use generic
696         interface.
697         * tree-ssa-loop-unswitch.c (tree_may_unswitch_on): Use Generic operand
698         Interface.
699         * tree-ssa-operands.c (struct opbuild_list_d): New.  Operand build type.
700         (build_defs, build_uses, build_v_may_defs, build_vuses, 
701         build_v_must_defs): Change type to struct opbuild_list_d.
702         (ops_active): New.  Operands active boolean.
703         (operand_memory, operand_memory_index): New.  Operand memory managers.
704         (allocate_def_optype, allocate_use_optype, allocate_v_may_def_optype,
705         allocate_vuse_optype, allocate_v_must_def_optype): Delete.
706         (free_uses, free_defs, free_vuses, free_v_may_defs, free_v_must_defs): 
707         Change from functions to static variable list heads.
708         (opbuild_initialize_virtual): New.  Initialize a virtual build list.
709         (opbuild_initialize_real): New.  Initialize a virtual build list.
710         (opbuild_free): New.  Free a build list.
711         (opbuild_num_elems): New.  Number of items in a list.
712         (opbuild_append_real): New.  Add a real (tree *) operand.
713         (opbuild_append_virtual): New.  Add and sort a virtual (tree) operand.
714         (opbuild_first): New.  Return first element index in a list.
715         (opbuild_next): New.  Return next element in a list.
716         (opbuild_elem_real): New.  Return real element.
717         (opbuild_elem_virtual): New.  Return virtual element.
718         (opbuild_elem_uid): New.  Return UID of virtual element.
719         (opbuild_clear): New.  Reset an operand list.
720         (opbuild_remove_elem): New.  Remove an element form a list.
721         (ssa_operands_active): New.  Return true if operand cache is active.
722         (init_ssa_operands, fini_ssa_operands): Initialize new implementation.
723         (ssa_operand_alloc): New.  Allocate memory from an operand chunk.
724         (correct_use_link): Use use_operand_p.
725         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_defs,
726         finalize_ssa_vuses, finalize_ssa_v_must_defs): New implmentation. 
727         (cleanup_v_may_defs): Use new implmentation.
728         (finalize_ssa_stmt_operands, start_ssa_stmt_operands): New 
729         implementation.
730         (append_def, append_use, append_v_may_def, append_vuse, 
731         append_v_must_def): Call opbuild_append routine instead of using varray.
732         (build_ssa_operands): Simplify to simply use stmt, don't maintain a 
733         global parse_old_ops variable.
734         (free_ssa_operands): New implementation.
735         (update_stmt_operands): Move.  Change argument to build_ssa_operands.
736         (copy_virtual_operands): Move. New generic implementation.
737         (create_ssa_artficial_load_stmt): Move. New implementation.
738         (swap_tree_operands): Update for new implementation.
739         (get_expr_operands): Add stmt parameter to calls to swap_tree_operands.
740         (add_call_clobber_ops, add_call_read_ops): Initialize opbuild list
741         rather than a varray.
742         (verify_imm_links): Use use_operand_p.
743         (dump_immediate_uses_for): If the immediate use variable is a virtual 
744         variable, show the virtual ops in the stmt.
745         * tree-ssa-operands.h (def_operand_p): No longer a structure.
746         (NULL_DEF_OPERAND_P): Now a #define.
747         (def_optype_d, use_optype_d, v_def_use_operand_type, v_may_def_optype_d,
748         vuse_operand_type, vuse_optype_d, v_must_def_optype_d): Delete.
749         (def_optype_d, use_optype_d, maydef_optype_d, vuse_optype_d,
750         mustdef_optype_d): New.  Use Linked list representation.
751         (SSA_OPERAND_MEMORY_SIZE): New.  Size of operand memory chunk.
752         (struct ssa_operand_memory_d): New.  Allocated Chunk node.
753         (struct stmt_operands_d): Change to new pointers that are not GTY.
754         (STMT_USE_OPS, NUM_USES, SET_USE_OP, STMT_DEF_OPS, NUM_DEFS, SET_DEF_OP,
755         STMT_V_MAY_DEF_OPS, NUM_V_MAY_DEFS, SET_V_MAY_DEF_RESULT,
756         SET_V_MAY_DEF_OP, STMT_VUSE_OPS, NUM_VUSES, SET_VUSE_OP,
757         STMT_V_MUST_DEF_OPS, NUM_V_MUST_DEFS, SET_V_MUST_DEF_RESULT, 
758         SET_V_MUST_DEF_KILL): Delete.
759         (V_MAY_DEF_OPS, V_MAY_DEF_RESULT_PTR, V_MAY_DEF_RESULT, 
760         V_MAY_DEF_OP_PTR, V_MAY_DEF_OP): Rename to MAYDEF_*.
761         (V_MUST_DEF_OPS, V_MUST_DEF_RESULT_PTR, V_MUST_DEF_RESULT, 
762         V_MUST_DEF_KILL_PTR, V_MUST_DEF_KILL): Rename to MUSTDEF_*.
763         (enum ssa_op_iter_type): Operand iterator typechecking values.
764         (struct ssa_operand_iterator_d): Use linked lists of operands.
765         (SSA_OP_VMUSTDEFKILL): Rename to SSA_OP_VMUSTKILL.
766         (FOR_EACH_SSA_MAYDEF_OPERAND, FOR_EACH_SSA_MUSTDEF_OPERAND,
767         FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): Use op_iter_next_maymustdef.
768         (FOR_EACH_PHI_ARG): New.  Iterate over PHI arguments.
769         (FOR_EACH_PHI_OR_STMT_USE): New.  Iterate over PHI or stmt uses.
770         (FOR_EACH_PHI_OR_STMT_DEF): New.  Iterate over PHI or stmt defs.
771         (SINGLE_SSA_TREE_OPERAND, SINGLE_SSA_USE_OPERAND, 
772         SINGLE_SSA_DEF_OPERAND, ZERO_SSA_OPERANDS, NUM_SSA_OPERANDS): New.
773         * tree-ssa-opfinalize.h: New.  Function templates for expansion.
774         (FINALIZE_ALLOC): Expands into alloc_def, alloc_use, alloc_maydef,
775         alloc_vuse, and alloc_mustdef.
776         (FINALIZE_FUNC): Expands into finalize_ssa_def_ops, 
777         finalize_ssa_use_ops, finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
778         and finalize_ssa_v_must_def_ops.
779         * tree-ssa-pre.c (add_to_sets): Pass tree to vn_add.
780         (create_value_expr_from): Use stmt not vuse_optype as a parameter. Pass
781         stmt around.
782         (compute_avail): Use generic iterator interface.
783         * tree-ssa-propagate.c (first_vdef): Use generic operand interface.
784         (stmt_makes_single_load, stmt_makes_single_store): Use 
785         ZERO_SSA_OPERANDS.
786         * tree-ssa-sink.c (is_hidden_global_store): Use ZERO_SSA_OPERANDS.
787         (statement_sink_location): Use generic interface.
788         * tree-ssa.c (verify_ssa):  Use %p in fprintf.  Use generic interface.
789         (delete_tree_ssa): Don't call release_defs.  Call release_ssa_name and
790         reset the immediate use link nodes.
791         (stmt_references_memory_p): Use ZERO_SSA_OPERANDS.
792         * tree-ssanames.c (make_ssa_name): Use use_operand_p.
793         * tree-tailcall.c (find_tail_calls): Use ZERO_SSA_OPERANDS.
794         (eliminate_tail_call): Use generic operand interface.
795         * tree-vect-analyze.c (vect_analyze_data_refs): Use ZERO_SSA_OPERANDS.
796         (vect_mark_relevant, vect_mark_stmts_to_be_vectorized): Use generic 
797         interface.
798         * tree-vect-transform.c (update_vuses_to_preheader): Use generic 
799         interface.
800         * tree-vectorizer.c (rename_variables_in_bb): Use generic interface.
801         * tree-vn.c (struct val_expr_pair_d): Cache statment pointer instead of
802         vuse_optype.
803         (vn_compute, val_expr_pair_hash, vn_add, vn_lookup, vn_lookup_or_add): 
804         Use statement pointer instead of vuse_optype.  Use generic interface.
805         * tree-vrp.c (maybe_add_assert_expr): Use generic interface.
806         (stmt_interesting_for_vrp, vrp_visit_stmt): Use ZERO_SSA_OPERANDS.
807         * tree.h (struct ssa_imm_use_d): Renamed to ssa_use_operand_d.
808         (tree_ssa_name, phi_arg_d): Use ssa_use_operand_d.
809         * doc/tree-ssa.texi: Update documentation for operand interface.
810
811 2005-05-03  Nathan Sidwell  <nathan@codesourcery.com>
812
813         * config/darwin.c (machopic_define_symbol): Use gcc_assert or
814         gcc_unreachable as appropriate.
815         (machopic_function_base_name, machopic_indirect_data_reference,
816         machopic_legitimize_pic_address, darwin_non_lazy_pcrel): Likewise.
817         * config/host-darwin.c (darwin_gt_pch_use_address): Likewise
818         * config/rs6000/altivec.md (*mov<mode>_internal,
819         build_vector_mask_for_load): Likewise.
820         * config/rs6000/darwin.md (movdf_low_si, movdf_low_di,
821         *call_nonlocal_darwin64, *call_value_nonlocal_darwin64,
822         *sibcall_symbolic_64, *sibcall_value_symbolic_64): Likewise.
823         * config/rs6000/predicates.md (easy_fp_constant,
824         logical_operand): Likewise.
825         * config/rs6000/rs6000.c (spe_expand_predicate_builtin,
826         compute_save_world_info, rs6000_emit_prologue,
827         rs6000_output_mi_thunk): Reword comments to avoid 'abort'.
828         * config/rs6000/host-darwin.c (segv_handler): Use fancy_abort
829         directly.
830
831 2005-05-03  Uros Bizjak  <uros@kss-loka.si>
832
833         PR middle-end/21282
834         * convert.c (convert_to_integer): Convert ceil and floor in
835         c99 mode only.
836
837 2005-04-29  Geoffrey Keating  <geoffk@apple.com>
838
839         PR target/20813
840         * config/rs6000/rs6000.md (floatsidf2_internal): Merge to create
841         define_insn_and_split.  Split only when memory operand is
842         offsettable.  Use adjust_address rather than plus_constant.
843         (floatunssidf2_internal): Likewise.
844         (fix_truncdfsi2_internal): Split only when memory operand is
845         offsettable.  Use adjust_address rather than plus_constant.
846         (fix_trunctfsi2_internal): Likewise.
847         (floatsidf2_internal): Likewise.
848
849 2005-05-02  Diego Novillo  <dnovillo@redhat.com>
850
851         * tree-vrp.c (set_value_range_to_nonnull): Declare inline.
852         (set_value_range_to_null): Likewise.
853         (set_value_range_to_varying): New function.  Use it in all
854         call sites that used to call set_value_range (vr, VR_VARYING, ...).
855         (extract_range_from_assert): If the integral type has a
856         super-type, and LIMIT is not within MIN and MAX values of that
857         type, set the resulting range to VR_VARYING.
858
859 2005-05-02  Hans-Peter Nilsson  <hp@bitrange.com>
860
861         * config/mmix/mmix.opt: New file.
862         * config/mmix/mmix.h: Move options-related comments to mmix.opt.
863         (mmix_cc1_ignored_option): Don't declare.
864         (TARGET_OPTIONS, TARGET_MASK_LIBFUNCS, TARGET_MASK_ABI_GNU)
865         (TARGET_MASK_FCMP_EPSILON, TARGET_MASK_ZERO_EXTEND)
866         (TARGET_MASK_KNUTH_DIVISION, TARGET_MASK_TOPLEVEL_SYMBOLS)
867         (TARGET_MASK_BRANCH_PREDICT, TARGET_MASK_USE_RETURN_INSN)
868         (TARGET_MASK_BASE_ADDRESSES, TARGET_LIBFUNC, TARGET_ABI_GNU,
869         (TARGET_FCMP_EPSILON, TARGET_ZERO_EXTEND, TARGET_KNUTH_DIVISION)
870         (TARGET_TOPLEVEL_SYMBOLS, TARGET_BRANCH_PREDICT)
871         (TARGET_BASE_ADDRESSES, TARGET_USE_RETURN_INSN, TARGET_SWITCHES):
872         Don't define.
873         (TARGET_DEFAULT): Change TARGET_MASK_... to MASK_...
874         * config/mmix/mmix.c (mmix_cc1_ignored_option): Remove.
875         (TARGET_DEFAULT_TARGET_FLAGS): Override default.
876
877 2005-05-02  Joseph S. Myers  <joseph@codesourcery.com>
878
879         PR c/15698
880         * c-tree.h (C_DECL_BUILTIN_PROTOTYPE): New.
881         * c-decl.c (current_function_prototype_built_in,
882         current_function_prototype_arg_types): New.
883         (merge_decls): Keep source location of prototype followed by
884         nonprototype declaration.  Update C_DECL_BUILTIN_PROTOTYPE.
885         (builtin_function): Set C_DECL_BUILTIN_PROTOTYPE.
886         (start_function): Always set current_function_prototype_locus,
887         current_function_prototype_built_in and
888         current_function_prototype_arg_types.  Check for external
889         prototype whether or not visible for external function and set
890         current_function_prototype_arg_types accordingly.
891         (store_parm_decls_oldstyle): Use
892         current_function_prototype_arg_types for checking old-style
893         definition against prototype.  Give warnings only if
894         current_function_prototype_built_in).
895
896 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
897
898         * ggc.h (ggc_alloc_zone_pass_stat): New macro.
899         (ggc_alloc_zone_stat): Don't define.
900         * ggc-zone.c (ggc_alloc_typed_stat, ggc_alloc_stat): Use
901         ggc_alloc_zone_pass_stat.
902         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Likewise.
903         * tree.c (make_node_stat, copy_node_stat, make_tree_binfo_stat)
904         (make_tree_vec_stat, tree_cons_stat, build1_stat): Likewise.
905
906 2005-05-02  Daniel Jacobowitz  <dan@codesourcery.com>
907
908         * calls.c (expand_call): Handle current_function_pretend_args_size
909         when checking for sibcalls.
910
911 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
912
913         PR tree-optimization/21294
914         * tree-vrp.c (vrp_expr_computes_nonzero): New.
915         (extract_range_from_expr): Call vrp_expr_computes_nonzero.
916
917 2005-05-02  Janis Johnson  <janis187@us.ibm.com>
918
919         PR 19985
920         * gcov-io.h: Declare gcov external functions hidden.
921
922 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
923
924         * tree-ssa-uncprop.c (equiv_hash_elt, remove_equivalence,
925         record_equiv, tree_ssa_uncprop, uncprop_into_successor_phis):
926         Use VEC instead of VARRAY.
927         (equiv_free): New.
928
929         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Factor
930         out common code.
931
932 2005-05-02  Paolo Bonzini  <bonzini@gnu.org>
933
934         * c-common.c (resolve_overloaded_builtin): Forward to target
935         hook for BUILT_IN_MD built-ins.
936         * c-typeck.c (finish_call_expr): Call resolve_overloaded_builtin
937         for all types of built-in.
938         * target-def.h (TARGET_RESOLVE_OVERLOADED_BUILTIN): New.  Use it
939         in the definition of the target hooks struct.
940         * target.h (struct gcc_target): Add resolve_overloaded_builtin.
941         * config/rs6000/altivec.h: Rewritten.
942         * config/rs6000/rs6000-c.c (struct altivec_builtin_types,
943         altivec_resolve_overloaded_builtin, altivec_build_resolved_builtin,
944         rs6000_builtin_type, rs6000_builtin_type_compatible,
945         altivec_overloaded_builtins, rs6000_builtin_type,
946         rs6000_builtin_type_compatible): New.
947         * config/rs6000/rs6000.c (rs6000_builtin_types, rs6000_builtin_decls):
948         New.
949         (def_builtin): Turn into a function.  Check for duplicates and store
950         the builtin into rs6000_builtin_decls.
951         (bdesc_3arg, bdesc_dst, bdesc_altivec_preds, bdesc_2arg,
952         bdesc_1arg): Add overloaded builtins.
953         (altivec_expand_builtin): Check for unresolved overloaded builtins,
954         do not support ALTIVEC_COMPILETIME_ERROR.
955         (rs6000_init_builtins): Add opaque 128-bit vector, and internal
956         nodes to represent front-end types.
957         (altivec_init_builtins, rs6000_common_init_builtins): Create builtins
958         with opaque arguments and/or return values.
959         * config/rs6000/rs6000.h (enum rs6000_builtins): Remove
960         ALTIVEC_COMPILETIME_ERROR and add Altivec overloaded builtins.
961         (rs6000_builtin_type_index): New.
962         (is_ev64_opaque_type): Rename to...
963         (rs6000_is_opaque_type): ... this.
964         (rs6000_cpu_cpp_builtins): Install the resolve_overloaded_builtin
965         target hook.
966
967 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
968
969         * function.c (reorder_blocks, reorder_blocks_1): Use VEC
970         instead of VARRAY.
971
972 2005-05-02  Nathan Sidwell  <nathan@codesourcery.com>
973             Bernd Schmidt  <bernd.schmidt@analog.com>
974
975         * config/bfin/bfin.c (emit_link_insn, effective_address_32bit_p,
976         print_address_operand, print_operand, legitimize_pic_address,
977         asm_conditional_branch, bfin_gen_compare, output_push_multiple,
978         output_pop_multiple): Use gcc_assert or gcc_unreachable as
979         appropriate.
980         * config/bfin/bfin.md (movsf splitter, beq, bne): Likewise.
981
982 2005-05-02  Dorit Naishlos  <dorit@il.ibm.com>
983
984         * doc/passes.texi: Document vectorization pass.
985
986 2005-05-02  Kazu Hirata  <kazu@cs.umass.edu>
987
988         * tree-scalar-evolution.c (get_exit_conditions_rec,
989         select_loops_exit_conditions,
990         number_of_iterations_for_all_loops,
991         analyze_scalar_evolution_for_all_loop_phi_nodes,
992         scev_analysis): Use VEC instead of VARRAY.
993
994 2005-05-02  Michael Matz  <matz@suse.de>
995
996         PR c++/19542
997         * c-common.c (c_common_nodes_and_builtins): Create global null_node.
998         (warn_strict_null_sentinel): Define.
999         (check_function_sentinel): Check for null_node as valid sentinel too.
1000         * c-common.h (c_tree_index): Added CTI_NULL.
1001         (null_node) Define global_tree[CTI_NULL].
1002         (warn_strict_null_sentinel): Declare.
1003         * c-opts.c: (c_common_handle_option): Handle -Wstrict-null-sentinel.
1004         * c.opt: (Wstrict-null-sentinel): New C++ option.
1005         * doc/invoke.texi (C++ Options): Document -Wstrict-null-sentinel.
1006
1007 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
1008
1009         * gimplify.c (gimplify_compound_lval): Use VEC instead of
1010         VARRAY.
1011
1012         * global.c (calculate_reg_pav): Use VEC instead of VARRAY.
1013
1014         * dwarf2out.c (decl_scope_table, push_decl_scope,
1015         pop_decl_scope, scope_die_for, dwarf2out_init): Use VEC
1016         instead of VARRAY.
1017
1018 2005-05-01  Mark Mitchell  <mark@codesourcery.com>
1019
1020         PR C++/14391
1021         * c-cppbuiltin.c (c_cpp_builtins): Do not define __GXX_WEAK__ to 1
1022         if !flag_weak.
1023         * doc/cpp.texi (__DEPRECATED): Document.
1024         (__EXCEPTIONS): Likewise.
1025         (__GXX_WEAK__): Likewise.
1026
1027         * function.c (INVOKE__main): Do not define.
1028         (expand_main_function): Check HAS_INIT_SECTION when determining
1029         whether or not to call __main.
1030
1031 2005-05-01  Kazu Hirata  <kazu@cs.umass.edu>
1032
1033         * tree-ssa-loop-ivopts.c: Fix a comment typo.
1034
1035 2005-01-05  Paul Brook  <paul@codesourcery.com>
1036
1037         * config/arm/arm.h (ARM_EMIT_TRAMPOLINE_CACHE_CLEAR): Define.
1038         (INITIALIZE_TRAMPOLINE): Use it.
1039         * config/arm/linux-gas.h (INITIALIZE_TRAMPOLINE): Remove.
1040         * config/arm/netbsd.h (INITIALIZE_TRAMPOLINE): Remove.
1041         * config/arm/netbsd-elf.h (INITIALIZE_TRAMPOLINE): Remove.
1042
1043 2005-05-01  Gerald Pfeifer  <gerald@pfeifer.com>
1044
1045         * doc/install.texi (Specific): Omit dots in the @anchors names
1046         for i?86-*-sco3.2v5*, i?86-*-solaris2.10, and sparc-sun-solaris2.7.
1047         Omit underscores for x86_64-*-* and the "all ELF targets" entry.
1048
1049 2005-05-01  Zdenek Dvorak  <dvorakz@suse.cz>
1050
1051         PR tree-optimization/18316
1052         PR tree-optimization/19126
1053         * tree.c (build_int_cst_type): Avoid shift by size of type.
1054         * tree-scalar-evolution.c (simple_iv): Add allow_nonconstant_step
1055         argument.
1056         * tree-scalar-evolution.h (simple_iv): Declaration changed.
1057         * tree-ssa-loop-ivopts.c (struct iv_cand): Add depends_on
1058         field.
1059         (dump_cand): Dump depends_on information.
1060         (determine_biv_step): Add argument to simple_iv call.
1061         (contains_abnormal_ssa_name_p): Handle case expr == NULL.
1062         (find_bivs, find_givs_in_stmt_scev): Do not require step to be a
1063         constant.
1064         (add_candidate_1): Record depends_on for candidates.
1065         (tree_int_cst_sign_bit, constant_multiple_of): New functions.
1066         (get_computation_at, get_computation_cost_at, may_eliminate_iv):
1067         Handle ivs with nonconstant step.
1068         (iv_ca_set_remove_invariants, iv_ca_set_add_invariants): New functions.
1069         (iv_ca_set_no_cp, iv_ca_set_cp): Handle cand->depends_on.
1070         (create_new_iv): Unshare the step before passing it to create_iv.
1071         (free_loop_data): Free cand->depends_on.
1072         (build_addr_strip_iref): New function.
1073         (find_interesting_uses_address): Use build_addr_strip_iref.
1074         (strip_offset_1): Split the recursive part from strip_offset.
1075         Strip constant offset component_refs and array_refs.
1076         (strip_offset): Split the recursive part to strip_offset_1.
1077         (add_address_candidates): Removed.
1078         (add_derived_ivs_candidates): Do not use add_address_candidates.
1079         (add_iv_value_candidates): Add candidates with stripped constant
1080         offset.  Consider all candidates with initial value 0 important.
1081         (struct affine_tree_combination): New.
1082         (aff_combination_const, aff_combination_elt, aff_combination_scale,
1083         aff_combination_add_elt, aff_combination_add,
1084         tree_to_aff_combination, add_elt_to_tree, aff_combination_to_tree,
1085         fold_affine_sum): New functions.
1086         (get_computation_at): Use fold_affine_sum.
1087         * tree-ssa-loop-manip.c (create_iv): Handle ivs with nonconstant step.
1088         * tree-ssa-loop-niter.c (number_of_iterations_exit): Add argument
1089         to simple_iv call.
1090
1091 2005-04-30  Michael Matz  <matz@suse.de>
1092
1093         * config/i386/i386.md (movmemsi): Also active when
1094         TARGET_INLINE_ALL_STRINGOPS.
1095
1096 2005-04-30  Eric Botcazou  <ebotcazou@libertysurf.fr>
1097
1098         PR bootstrap/20633
1099         * config/freebsd-spec.h (FBSD_CPP_SPEC): Add %(cpp_arch).
1100
1101 2005-04-30  Paul Brook  <paul@codesourcery.com>
1102
1103         * config/arm/bpabi.h (RENAME_LIBRARY_SET): Always use .thumb_set in
1104         thumb mode.
1105         * config/arm/ieee754-df.S: Use __INTERWORKING_STUBS__.
1106         * config/arm/ieee754-sf.S: Ditto.
1107         * config/arm/lib1funcs.asm: Define and use __INTERWORKING_STUBS__.
1108         (FUNC_ALIAS): Use .thumb_set for thumb routines.
1109
1110 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
1111
1112         * tree-ssanames.c: Fix a comment typo.
1113         * doc/options.texi: Fix a typo.
1114
1115 2005-04-30  Nathan Sidwell  <nathan@codesourcery.com>
1116
1117         * config/h8300/h8300.c (byte_reg): Use gcc_assert and
1118         gcc_unreachable as appropriate.
1119         (split_adds_subs, cond_string, print_operand,
1120         h8300_initial_elimination_offset, h8300_classify_operand,
1121         h8300_unary_length, h8300_short_immediate_length,
1122         h8300_bitfield_length, h8300_binary_length,
1123         h8300_insn_length_from_table, compute_mov_length, output_plussi,
1124         compute_plussi_length, compute_plussi_cc, output_logical_op,
1125         compute_logical_op_length, compute_logical_op_cc,
1126         output_h8sx_shift, get_shift_alg, h8300_shift_needs_scratch_p,
1127         output_a_shift, compute_a_shift_length, compute_a_shift_cc,
1128         output_a_rotate, compute_a_rotate_length, fix_bit_operand,
1129         h8300_regs_ok_for_stm): Likewise.
1130         * config/h8300/h8300.md (*movsi_h8300, *movsf_h8300,
1131         monitor_prologue): Likewise.
1132
1133 2005-04-30  Kazu Hirata  <kazu@cs.umass.edu>
1134
1135         * loop-invariant.c (invariants, create_new_invariant,
1136         get_inv_cost, best_gain_for_invariant,
1137         find_invariants_to_move, move_invariants,
1138         init_inv_motion_data, free_inv_motion_data): Use VEC instead
1139         of VARRAY.
1140
1141 2005-04-29  Richard Henderson  <rth@redhat.com>
1142
1143         * function.c (instantiate_decls): Remove valid_only argument.
1144         (instantiate_decls_1, instantiate_decl): Likewise.
1145         (instantiate_virtual_regs_1): Delete.
1146         (instantiate_virtual_regs_lossage): Delete.
1147         (instantiate_virtual_regs_in_rtx): New.
1148         (safe_insn_predicate): New.
1149         (instantiate_virtual_regs_in_insn): New.
1150         (instantiate_virtual_regs): Update to match all that.  Only run
1151         instantiate_decls once.
1152
1153 2005-04-29  Richard Henderson  <rth@redhat.com>
1154             Daniel Jacobowitz  <dan@codesourcery.com>
1155
1156         * gengtype.c (write_func_for_structure): Split out ...
1157         (output_type_enum): ... new function.  Fix thinko accessing
1158         TYPE_PARAM_STRUCT data.
1159
1160 2005-04-29  Tom Tromey  <tromey@redhat.com>
1161
1162         * tree.c (build_block): Removed unused 'tags' argument.
1163         * tree.h (build_block): Removed argument.
1164
1165 2005-04-29  Michael Matz  <matz@suse.de>
1166
1167         PR rtl-optimization/21144
1168         * postreload.c (reload_cse_move2add): Check for VOIDmode.
1169
1170 2005-04-29  Bob Wilson  <bob.wilson@acm.org>
1171
1172         * config/xtensa/xtensa.h (OPTIMIZATION_OPTIONS): Define to disable
1173         flag_reorder_blocks.
1174
1175 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
1176
1177         PR tree-optimization/21030
1178         * tree-vrp.c (adjust_range_with_scev): Do not create invalid
1179         ranges where VR->MAX is smaller than VR->MIN.
1180
1181 2005-04-29  Devang Patel  <dpatel@apple.com>
1182
1183         PR tree-optimization/21272
1184         PR tree-optimization/21266
1185         * tree-if-conv.c (find_phi_replacement_condition): Fix think-o.
1186         
1187 2005-04-29  Kazu Hirata  <kazu@cs.umass.edu>
1188
1189         * tree-flow-inline.h: Fix a comment typo.
1190         * doc/tree-ssa.texi: Fix a typo.
1191
1192         * tree-flow-inline.h, tree-ssa-operands.c: Fix comment typos.
1193
1194 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
1195
1196         * config/fr30/fr30.c (fr30_expand_prologue): Use gcc_assert and
1197         gcc_unreachable as appropriate.
1198         (fr30_expand_epilogue, fr30_setup_incoming_varargs,
1199         fr30_print_operand, fr30_move_double): Likewise.
1200         * config/fr30/fr30.md (*movsi_internal, *movsf_internal): Likewise.
1201
1202 2005-04-29  Mark Mitchell  <mark@codesourcery.com>
1203
1204         * config/arm/arm.h (ARM_EABI_CTORS_SECTION_OP): Do not define if a
1205         definition has already been provided.
1206         (ARM_EABI_DTORS_SECTION_OP): Likewise.
1207         * config/arm/symbian.h (ARM_EABI_CTORS_SECTION_OP): Define.
1208         (ARM_EABI_DTORS_SECTION_OP): Likewise.
1209
1210 2005-04-29  Jim Tison  <jtison@us.ibm.com>
1211
1212         * config/s390/s390.md ("prologue_tpf", "epilogue_tpf"): Alter
1213         trace hooks calls to improve performance.
1214
1215 2005-04-29  Julian Brown  <julian@codesourcery.com>
1216             Mark Mitchell  <mark@codesourcery.com>
1217             Paul Brook  <paul@codesourcery.com>
1218
1219         * crtstuff.c: Handle targets that use .init_array.
1220         * function.c (HAS_INIT_SECTION): Do not define. Instead, make sure
1221         that INVOKE__main is set correctly.
1222         (expand_main_function): Test INVOKE__main.
1223         * libgcc2.c: Do not define __main when using .init_array.
1224         * config/arm/arm.c (arm_elf_asm_constructor): New function.
1225         * config/arm/arm.h (CTORS_SECTION_ASM_OP): Define, with specialized
1226         libgcc version.
1227         (DTORS_SECTION_ASM_OP): Likewise.
1228         (CTOR_LIST_BEGIN): Define specially when in libgcc.
1229         (CTOR_LIST_END): Likewise.
1230         (DTOR_LIST_BEGIN): Likewise.
1231         (DTOR_LIST_END): Likewise.
1232         * config/arm/bpapi.h (INIT_SECTION_ASM_OP): Do not define it.
1233         (FINI_SECTION_ASM_OP): Likewise.
1234         (INIT_ARRAY_SECTION_ASM_OP): Define.
1235         (FINI_ARRAY_SECTION_ASM_OP): Likewise.
1236         * config/arm/elf.h (TARGET_ASM_CONSTRUCTOR): Define.
1237         (SUPPORTS_INIT_PRIORITY): Evaluate to false for EABI based targets.
1238         * doc/tm.texi (INIT_ARRAY_SECTION_ASM_OP): Document.
1239         (FINI_ARRAY_SECTION_ASM_OP): Likewise.  
1240
1241 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
1242
1243         * config/m68k/m68k.c (m68k_initial_elimination_offset): Use
1244         gcc_assert and gcc_unreachable as appropriate.
1245         (output_dbcc_and_branch, output_scc_di, legitimize_pic_address,
1246         const_int_cost, output_move_const_into_data_reg,
1247         output_move_qimode, output_move_double, find_addr_reg,
1248         print_operand, print_operand_address): Likewise.
1249         * config/m68k/m68k.md (adddi3, subdi3, negsf2, negdf2, abssf2,
1250         absdf2, sordered, sunordered, suneq, sunge, sungt, sunle, sunlt,
1251         sltgt, bordered, bunordered, buneq, bunge, bungt, bunle, bunlt,
1252         bltgt, *bordered_rev, *bunordered_rev, *buneq_rev, *bunge_rev,
1253         *bunle_rev, *bunlt_rev, *bltgt_rev, negxf2, absxf2,
1254         conditional_trap): Likewise.
1255         * config/m68k/m68kelf.h (ASM_OUTPUT_ALIGN): Remove unreachable code.
1256
1257 2005-04-29  Nathan Sidwell  <nathan@codesourcery.com>
1258
1259         * config/xtensa/xtensa.c (gen_int_relational): Use gcc_assert and
1260         gcc_unreachable as appropriate.
1261         (gen_conditional_move, xtensa_split_operand_pair,
1262         xtensa_split_operand_pair, xtensa_copy_incoming_a7,
1263         xtensa_copy_incoming_a7, xtensa_copy_incoming_a7,
1264         xtensa_copy_incoming_a7, xtensa_output_literal,
1265         xtensa_output_literal, xtensa_output_literal): Likewise.
1266         * config/xtensa/xtensa.h (INITIAL_ELIMINATION_OFFSET): Likewise.
1267         * config/xtensa/xtensa.md (*btrue, *bfalse, *ubtrue, *ubfalse,
1268         *bittrue, *bitfalse, *masktrue, *maskfalse, movsicc_internal0,
1269         movsicc_internal1, movsfcc_internal0,
1270         movsfcc_internal1): Likewise.
1271
1272 2005-04-28  James E Wilson  <wilson@specifixinc.com>
1273
1274         * config/i386/i386.h (HI_REGISTER_NAMES): Fix typos in comment.
1275         (ADDITIONAL_REGISTER_NAMES): Delete obsolete mmx register entries.
1276
1277 2005-04-28  DJ Delorie  <dj@redhat.com>
1278
1279         * opt-functions.awk (var_set): Emit proper initializer for
1280         non-target bitfields.
1281
1282 2005-04-28  Devang Patel  <dpatel@apple.com>
1283
1284         * dbxout.c (have_used_extensions): Remove.
1285         (dbxout_type_fileds, dbxout_type, dbxout_symbol): Remove use of
1286         have_used_extensions.
1287         
1288 2005-04-28  James E Wilson  <wilson@specifixinc.com>
1289
1290         * doc/install.texi: Update -enable-languages info.  Correct path to
1291         html docs.
1292
1293 2005-04-28  DJ Delorie  <dj@redhat.com>
1294
1295         * optc-gen.awk (END): Make sure no variable is defined more
1296         than once.
1297         * opth-gen.awk (END): Allocate bits on a per-variable basis.
1298         Allow for bitfield variables other than target_flags.
1299         * doc/options.text (Mask): Document that you may specify a
1300         variable other than target_flags.
1301
1302 2005-04-28  Martin Koegler <mkoegler@auto.tuwien.ac.at>
1303
1304         PR rtl-optimization/18877
1305         * reload.c (decompose) <case REG, case SUBREG>: Handle pseudo reg
1306         number in val.start.
1307
1308 2005-04-28  David Edelsohn  <edelsohn@gnu.org>
1309
1310         PR target/20813
1311         * config/rs6000/aix43.h (SUBSUBTARGET_SWITCHES, aix64): Add
1312         MASK_PPC_GFXOPT.
1313         * config/rs6000/aix51.h (SUBSUBTARGET_SWITCHES, aix64): Same.
1314         * config/rs6000/aix52.h (SUBSUBTARGET_SWITCHES, aix64): Same.
1315         * config/rs6000/sysv4.h (SUBTARGET_SWITCHES, 64): Same.
1316
1317 2005-04-28  Richard Earnshaw  <richard.earnshaw@arm.com>
1318
1319         * arm.c (legitimize_pic_address): Fix sense of assertion test for
1320         creating pseudos when the base offset is too large.
1321
1322 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
1323
1324         * global.c (earlyclobber_regclass): Change the type to
1325         VEC(int,heap).
1326         (check_earlyclobber): Update uses of earlyclobber_regclass.
1327         (mark_reg_use_for_earlyclobber): Likewise.
1328         (calculate_local_reg_bb_info): Allocate and free
1329         earlyclobber_regclass using the VEC API.
1330
1331 2005-04-28  Nathan Sidwell  <nathan@codesourcery.com>
1332
1333         * tree-ssa-alias.c (push_fields_onto_fieldstack): Remove bogus
1334         assert.
1335
1336 2005-04-28  Kazu Hirata  <kazu@cs.umass.edu>
1337
1338         * modulo-sched.c, tree-stdarg.c: Use targetm.foo instead of
1339         (*targetm.foo).
1340
1341         * config.gcc: Obsolete c4x-* and tic4x-*.
1342
1343         * tree.h (edge_def): Remove.
1344
1345         * bt-load.c, cfgexpand.c, dwarf2out.c, emit-rtl.c, expr.c,
1346         function.c, global.c, lcm.c, loop-invariant.c, optabs.c,
1347         reorg.c, resource.c, tree-ssa-loop-ivopts.c, value-prof.c: Use
1348         JUMP_P, LABEL_P, REG_P, MEM_P, NONJUMP_INSN_P, and INSN_P
1349         where appropriate.
1350
1351         * attribs.c, c-pragma.c, caller-save.c, cfghooks.h,
1352         coverage.c, cselib.h, domwalk.c, domwalk.h, errors.c,
1353         errors.h, gcov-dump.c, gcov-io.c, gcov-io.h, gen-protos.c,
1354         genattrtab.h, genextract.c, gthr-win32.h, insn-notes.def,
1355         integrate.c, lambda-mat.c, lambda.h, libgcov.c, local-alloc.c,
1356         machmode.def, mips-tfile.c, params.c, pretty-print.c,
1357         print-rtl.c, protoize.c, regmove.c, sched-vis.c, tree-chrec.h,
1358         tree-data-ref.h, vec.h, config/darwin-c.c, config/sol2-c.c,
1359         config/sol2.c, config/arm/arm-cores.def, config/arm/cirrus.md,
1360         config/arm/symbian.h, config/c4x/c4x.c, config/c4x/c4x.h,
1361         config/i386/cygming.h, config/i386/djgpp.h,
1362         config/i386/lynx.h, config/i386/netware.c,
1363         config/i386/winnt.c, config/ia64/ia64-c.c,
1364         config/iq2000/iq2000.c, config/m32r/little.h,
1365         config/m68k/m68k-protos.h, config/m68k/m68k.h,
1366         config/m68k/m68k.md, config/mcore/mcore.c,
1367         config/mcore/mcore.h, config/mmix/mmix.c, config/mmix/mmix.md,
1368         config/mn10300/mn10300-protos.h, config/mn10300/mn10300.c,
1369         config/mn10300/mn10300.h, config/ns32k/netbsd.h,
1370         config/ns32k/ns32k.c, config/ns32k/ns32k.h,
1371         config/pa/pa-hpux11.h, config/pdp11/pdp11.c,
1372         config/pdp11/pdp11.h, config/rs6000/darwin.h,
1373         config/rs6000/default64.h, config/rs6000/rs6000-c.c,
1374         config/s390/2064.md, config/s390/2084.md,
1375         config/s390/s390-modes.def, config/s390/s390-protos.h,
1376         config/s390/tpf.h, config/sh/sh.h, config/sh/symbian.c,
1377         config/stormy16/stormy16.c, config/vax/vax-protos.h,
1378         config/vax/vax.c, config/vax/vax.h,
1379         config/xtensa/lib1funcs.asm, config/xtensa/xtensa.md: Update
1380         copyright.
1381
1382 2005-04-28  Joseph S. Myers  <joseph@codesourcery.com>
1383
1384         * c-typeck.c (build_compound_expr): Correct logic in last change.
1385
1386 2005-04-27  James E. Wilson  <wilson@specifixinc.com>
1387
1388         * config/ia64/ia64.c (update_set_flags): Delete ppred and pcond
1389         parameters.  Replace conditional move code with assert checking for
1390         ar.lc.  Delete obsolete comments.
1391         (set_src_needs_barrier): Delete cond parameter, and code using it.
1392         (rtx_needs_barrier): Delete initialization of cond.  Fix typo in
1393         assert checking for PR_REGS.  Fix calls to update_set_flags and
1394         set_src_needs_barrier.
1395         (group_barrier_needed): Renamed from group_barrier_needed_p.  Fix all
1396         callers.  Rewrite explanatory comment before the function.
1397         (safe_group_barrier_needed): Renamed from safe_group_barrier_needed_p.
1398         Fix all callers.
1399
1400 2005-04-27  Mike Stump  <mrs@apple.com>
1401
1402         * doc/cpp.texi: gcc now implements universal character names.
1403
1404 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
1405
1406         PR c/21159
1407         * c-typeck.c (build_compound_expr): Don't warn for left-hand side
1408         being a compound expression whose right-hand side is cast to void.
1409
1410 2005-04-27  Caroline Tice  <ctice@apple.com>
1411
1412         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
1413         Remove targetm.have_named_sections test.
1414         (fix_edges_for_rarely_executed_code): Likewise.
1415         (insert_section_boundary_note): Likewise.
1416         (reorder_basic_blocks): Check partitioning flag before calling
1417         verify_hot_cold_block_grouping.
1418         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
1419         the function struct rather than global variables.
1420         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
1421         (COLD_END_LABEL): Likewise
1422         (cold_text_section_label): New static global variable.
1423         (cold_end_label): Likewise.
1424         (dwarf2out_switch_text_section): Get hot/cold section labels from
1425         the function struct rather than global variables; test to make sure
1426         cfun is defined.
1427         (output_aranges): Use cold_text_section_label and cold_end_label;
1428         check partitioning flag before putting out delta.
1429         (output_ranges): Remove incorrect code attempting to use
1430         hot/cold labels.
1431         (output_line_info): Get cold section label from function struct; test
1432         to make sure cfun is defined.
1433         (add_location_or_const_value_attribute): Likewise.
1434         (dwarf2out_var_location): Likewise.
1435         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
1436         write out cold_text_section_label if partition flag is set.
1437         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
1438         * function.h (struct function): Add new fields to point to hot/cold
1439         section labels: hot_section_label, cold_section_label,
1440         hot_section_end_label and cold_section_end_label; also add new field
1441         for cold text section name, unlikely_text_section_name.
1442         * opts.c (decode_options): Turn off partitioning flag if
1443         !targetm.have_named_sections.
1444         * output.h (hot_section_label): Remove.
1445         (hot_section_end_label): Remove.
1446         (cold_section_end_label): Remove.
1447         (unlikely_section_label): Remove.
1448         (unlikely_text_section_name): Remove.
1449         * passes.c (rest_of_handle_final):  Remove extra blank line.
1450         * varasm.c (unlikely_section_label): Remove.
1451         (hot_section_label): Remove.
1452         (hot_section_end_label): Remove.
1453         (cold_section_end_label): Remove.
1454         (unlikely_text_section_name):  Remove.
1455         (initialize_cold_section_name): Modify to call
1456         targetm.strip_name_encoding; to store cold section name in current
1457         function struct, if it exists; and to only use the decl_section_name
1458         if flag_named_sections is true.
1459         (unlikely_text_section): Modify to get section name out of current
1460         function struct, if there is one; otherwise build it from
1461         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
1462         (in_unlikely_text_section): Likewise.
1463         (named_section): Modify to get/put cold section name in current function
1464         struct, if there is one.
1465         (function_section):  Change 'bool unlikely' to 'int reloc'; check
1466         targetm.have_named_sections before calling named_section.
1467         (current_function_section): Likewise.
1468         (assemble_start_function): Modify to get/put unlikely_text_section_name
1469         in current function struct; modify to get hot/cold section labels
1470         from function struct; initialize labels using
1471         ASM_GENERATE_INTERNAL_LABEL;
1472         test partitioning flag before writing out hot section label.
1473         (assemble_end_function): Test partitioning flag before writing out
1474         hot/cold section labels.
1475         (default_section_type_flags_1):  Get cold text section name from
1476         function struct if there is one; Set flags correctly for
1477         cold text section if there is not a current function struct.
1478         
1479 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
1480
1481         * tree-ssa-propagate.c (set_rhs): Revert last change.
1482
1483 2005-04-27  Steve Ellcey  <sje@cup.hp.com>
1484
1485         * explow.c (convert_memory_address): Add gcc_assert.
1486
1487 2005-04-27  Mark Mitchell  <mark@codesourcery.com>
1488
1489         * configure.ac: Check for ld --sysroot support.
1490         * gcc.c: Document %R specifier for specs.
1491         (SYSROOT_SPEC): New macro.
1492         (sysroot_spec): New variable.
1493         (static_specs): Add sysroot_spec.
1494         (main): Pass the sysroot spec to the linker if appropriate.
1495         * configure: Regenerated.
1496         * config.in: Likewise.
1497
1498 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
1499
1500         * fold-const.c (fold_binary): Use build_fold_addr_expr
1501         for address calculation and INDIRECT_REF handling.
1502
1503 2005-04-27  Andrew Haley  <aph@redhat.com>
1504
1505         * postreload-gcse.c (hash_scan_set): Remove bogus assertion.
1506
1507 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
1508
1509         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Reserve arm frame
1510         pointer when thumb backtracing is on.
1511
1512         * config/fp-bit.c (abort): Revert change.
1513
1514 2005-04-27  Ian Lance Taylor  <ian@airs.com>
1515
1516         * c-semantics.c (add_stmt): Don't test STATEMENT_CODE_P.
1517
1518 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
1519
1520         * tree-ssa-dce.c: Fix a comment typo.
1521
1522 2005-04-27  David S. Miller  <davem@davemloft.net>
1523
1524         * explow.c (allocate_dynamic_stack_space SETJMP_VIA_SAVE_AREA):
1525         Kill setjmpless_size.  current_function_calls_setjmp is completely
1526         computed when we are called, so just use the optimized size value
1527         instead of using REG_SAVE_AREA notes.
1528         (optimize_save_area_alloca): Delete....
1529         * rtl.h (optimize_save_area_alloca): Likewise...
1530         * passes.c (rest_of_compilation): and don't call it any more.
1531         * reg-notes.def (SAVE_AREA): Delete.
1532         
1533 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
1534
1535         * config/fp-bit.c (abort): Add noreturn attribute.
1536
1537         * config/avr/avr.c (avr_naked_function_p): Use gcc_assert and
1538         gcc_unreachable as appropriate.
1539         (ptrreg_to_str, cond_string, avr_normalize_condition): Likewise.
1540         * config/avr/avr.h (ASM_OUTPUT_REG_PUSH,
1541         ASM_OUTPUT_REG_POP): Likewise.
1542
1543 2005-04-27  Paolo Bonzini  <bonzini@gnu.org>
1544
1545         * tree-complex.c (expand_vector_operations_1): Do not build
1546         VIEW_CONVERT_EXPR's for the lhs.
1547
1548 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
1549
1550         * config/pa/pa.h (PRINT_OPERAND_ADDRESS): Use gcc_assert, remove
1551         unnecessary noncanonical RTL handling.
1552         * config/pa/pa64-linux.h (INITIAL_ELIMINATION_OFFSET): Use
1553         gcc_assert and gcc_unreachable.
1554
1555         * config/arm/arm.h (ARM_PRINT_OPERAND_ADDRESS): Use gcc_assert and
1556         gcc_unreachable as appropriate.
1557         (THUMB_PRINT_OPERAND_ADDRESS): Likewise.
1558         * config/arm/arm.c (arm_override_options, arm_compute_func_type,
1559         use_return_insn, const_ok_for_op, arm_gen_constant,
1560         arm_canonicalize_comparison, legitimize_pic_address,
1561         thumb_find_work_register, arm_load_pic_register, arm_rtx_costs_1,
1562         arm_cirrus_insn_p, cirrus_reorg, minmax_code,
1563         load_multiple_sequence, emit_ldm_seq, store_multiple_sequence,
1564         emit_stm_seq, arm_gen_movmemqi, arm_select_dominance_cc_mode,
1565         arm_select_cc_mode, arm_reload_in_hi, arm_reload_out_hi,
1566         move_minipool_fix_forward_ref, move_minipool_fix_backward_ref,
1567         dump_minipool, create_fix_barrier, push_minipool_fix, arm_reorg,
1568         fp_immediate_constant, fp_const_from_val, vfp_output_fstmx,
1569         output_call, output_mov_long_double_fpa_from_arm,
1570         output_mov_long_double_arm_from_fpa,
1571         output_mov_double_fpa_from_arm, output_mov_double_arm_from_fpa,
1572         output_move_double, arithmetic_instr, shift_op, int_log2,
1573         output_return_instruction, arm_output_function_prologue,
1574         arm_output_epilogue, arm_output_function_epilogue,
1575         emit_multi_reg_push, arm_get_frame_offsets,
1576         arm_compute_initial_elimination_offset, arm_expand_prologue,
1577         arm_print_operand, arm_assemble_integer, get_arm_condition_code,
1578         arm_final_prescan_insn, arm_init_iwmmxt_builtins,
1579         arm_expand_binop_builtin, thumb_pushpop, thumb_far_jump_used_p,
1580         thumb_compute_initial_elimination_offset,
1581         thumb_output_function_prologue, thumb_load_double_from_address,
1582         thumb_output_move_mem_multiple, thumb_reload_out_hi,
1583         arm_emit_vector_const, arm_dbx_register_number): Likewise.
1584         * config/arm/pe.c (arm_mark_dllexport, arm_mark_dllimport): Likewise.
1585         * config/arm/arm.md (thumb_extendhisi2,
1586         *thumb_extendhisi2_insn_v6, *thumb_extendqisi2,
1587         *thumb_extendqisi2_v6, movhi, *thumb_movhi_insn,
1588         thumb_movhi_clobber, movqi, *arm_buneq, *arm_bltgt,
1589         *arm_buneq_reversed, *arm_bltgt_reversed, suneq, sltgt): Likewise.
1590         * config/arm/cirrus.md (*cirrus_arm_movdi,
1591         *cirrus_movdf_hard_insn): Likewise.
1592         * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
1593
1594 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
1595
1596         * tree-flow.h (ssa_names): Change the type to VEC(tree,gc).
1597         (num_ssa_names): Use VEC_length.
1598         (ssa_names): Use VEC_index.
1599         * tree-ssanames.c (ssa_names): Change the type to
1600         VEC(tree,gc).
1601         (init_ssanames, fini_ssa_names, make_ssanames,
1602         release_ssa_name): Update uses of ssa_names.
1603
1604         * dojump.c, emit-rtl.c, expmed.c, expr.c, stmt.c, stor-layout.c:
1605         Use fold_buildN instead of fold (buildN (...)).
1606
1607 2005-04-27  Devang Patel <dpatel@apple.com>
1608
1609         * dbxout.c (dbxout_type): Check use_gnu_debug_info_extensions.
1610
1611 2005-04-27  Matt Thomas <matt@3am-software.com>
1612             Jan-Benedict Glaw <jbglaw@microdata-pos.de>
1613
1614         * config/vax/vax.c (vax_rtx_costs): Whitespace cleanup.
1615         (vax_output_mi_thunk): Ditto.
1616         (vax_notice_cc_update): Ditto.
1617         (INDEX_REGISTER_P): Add trailing \.
1618         (BASE_REGISTER_P): Add trailing \.
1619         (legitimate_address_p): Whitespace cleanup.  Remove trailing \.
1620
1621 2005-04-27  Richard Guenther  <rguenth@gcc.gnu.org>
1622
1623         * tree-ssa-propagate.c (set_rhs): Check operand of
1624         ADDR_EXPR for gimpliness, too.
1625
1626 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
1627
1628         * tree-ssa-pre.c: Fix a comment typo.
1629
1630 2005-04-27  Zdenek Dvorak  <dvorakz@suse.cz>
1631
1632         PR tree-optimization/21171
1633         * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not
1634         record address uses if the reference is volatile.
1635
1636 2004-04-27  Paolo Bonzini  <bonzini@gnu.org>
1637
1638         * tree-complex.c (expand_vector_operation): New, extracted from
1639         expand_vector_operations_1.
1640         (tree_vec_extract): Build a NOP_EXPR.
1641         (expand_vec_parallel): Do not care about returning the correct type.
1642         (expand_vector_operations_1): Call expand_vector_operation.
1643         Build the VIEW_CONVERT_EXPR on the left side of MODIFY_EXPRs.
1644
1645         * tree-complex.c (gate_expand_vector_operations): New.
1646         (pass_lower_vector_ssa): Use it.
1647         * tree-optimize.c (init_tree_optimization_passes): Include
1648         pass_lower_vector_ssa.
1649         * tree-vect-transform.c (vect_min_worthwhile_factor): New.
1650         (vectorizable_operation): Use it.
1651         * tree-vectorizer.c (get_vectype_for_scalar_type): Accept
1652         integer modes for the vector type.
1653
1654         * defaults.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
1655         * tree-vect-analyze.c (vect_enhance_data_refs_alignment):
1656         Do not cope with UNITS_PER_SIMD_WORD == 0.
1657         * tree-vectorizer.c (get_vectype_for_scalar_type): Check
1658         if the scalar type is not bigger than UNITS_PER_SIMD_WORD.
1659         (vectorize_loops): Do not check that UNITS_PER_SIMD_WORD > 0.
1660         * config/i386/i386.h (UNITS_PER_SIMD_WORD): Default to UNITS_PER_WORD.
1661         * config/mips/mips.h (UNITS_PER_SIMD_WORD): Likewise.
1662         * config/rs6000/rs6000.h (UNITS_PER_SIMD_WORD): Likewise.
1663         * config/sparc/sparc.h (UNITS_PER_SIMD_WORD): Likewise.
1664
1665         * config/alpha/alpha.h (UNITS_PER_SIMD_WORD): Remove.
1666         * config/bfin/bfin.h (UNITS_PER_SIMD_WORD): Remove.
1667         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): Remove.
1668
1669         * doc/tm.texi (UNITS_PER_WORD): Rephrase more accurately.
1670         (UNITS_PER_SIMD_WORD): New.
1671
1672 2005-04-27  Nathan Sidwell  <nathan@codesourcery.com>
1673
1674         * config/ia64/ia64.c (ia64_encode_addr_area): Use gcc_assert and
1675         gcc_unreachable as appropriate.
1676         (ia64_expand_load_address, ia64_expand_tls_address,
1677         ia64_split_tmode, ia64_split_tmode_move, ia64_expand_compare,
1678         ia64_expand_vecint_compare, ia64_expand_vecint_minmax,
1679         next_scratch_gr_reg, ia64_initial_elimination_offset,
1680         ia64_expand_prologue, ia64_expand_epilogue,
1681         ia64_output_dwarf_dtprel, ia64_print_operand,
1682         ia64_register_move_cost, first_instruction, rws_access_regno,
1683         update_set_flags, rtx_needs_barrier, group_barrier_needed_p,
1684         ia64_sched_init, ia64_variable_issue,
1685         ia64_first_cycle_multipass_dfs_lookahead_guard,
1686         ia64_dfa_new_cycle, issue_nops_and_insn, get_template, bundling,
1687         ia64_st_address_bypass_p, ia64_ld_address_bypass_p, process_set,
1688         process_for_unwind_directive, ia64_hpux_file_end): Likewise.
1689         * config/ia64/ia64.h (ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
1690         * config/ia64/ia64.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
1691         * config/ia64/predicates.md (got_symbolic_operand,
1692         sdata_symbolic_operand): Likewise.
1693         * config/ia64/vect.md (vcondv2sf): Likewise.
1694
1695 2005-04-27  Matt Thomas <matt@3am-software.com>
1696
1697         * config/vax/vax.c (legitimate_constant_address_p): New.  Formerly
1698         CONSTANT_ADDRESS_P in config/vax/vax.h
1699         (legitimate_constant_p): Added.  Formerly CONSTANT_P in vax.h. 
1700         (INDEX_REGISTER_P): New.
1701         (BASE_REGISTER_P): New.
1702         (indirectable_constant_address_p): New.  Adapted from
1703         INDIRECTABLE_CONSTANT_ADDRESS_P in vax.h. Use SYMBOL_REF_LOCAL_P.
1704         (indirectable_address_p): New.  Adapted from
1705         INDIRECTABLE_ADDRESS_P in vax.h.
1706         (nonindexed_address_p): New.  Adapted from
1707         GO_IF_NONINDEXED_ADDRESS in vax.h.
1708         (index_temp_p): New.  Adapted from INDEX_TERM_P in vax.h.
1709         (reg_plus_index_p): New.  Adapted from GO_IF_REG_PLUS_INDEX in vax.h.
1710         (legitimate_address_p): New.  Adapted from
1711         GO_IF_LEGITIMATE_ADDRESS in vax.h.
1712         (vax_mode_dependent_address_p): New.  Adapted from
1713         GO_IF_MODE_DEPENDENT_ADDRESS in vax.h.
1714         * config/vax/vax.h (CONSTANT_ADDRESS_P): Use
1715         legitimate_constant_address_p.
1716         (CONSTANT_P): Use legitimate_constant_p.
1717         (INDIRECTABLE_CONSTANT_ADDRESS_P): Removed.
1718         (INDIRECTABLE_ADDRESS_P): Removed.
1719         (GO_IF_NONINDEXED_ADDRESS): Removed.
1720         (INDEX_TEMP_P): Removed.
1721         (GO_IF_REG_PLUS_INDEX): Removed.
1722         (GO_IF_LEGITIMATE_ADDRESS): Use legitimate_address_p. Two
1723         definitions, depending on whether REG_OK_STRICT is defined.
1724         (GO_IF_MODE_DEPENDENT_ADDRESS): Use vax_mode_dependent_address_p.
1725         Two definitions, depending on whether REG_OK_STRICT is defined.
1726         * config/vax/vax-protos.h (legitimate_constant_address_p): Prototype
1727         added.
1728         (legitimate_constant_p): Prototype added.
1729         (legitimate_address_p): Prototype added.
1730         (vax_mode_dependent_address_p): Prototype added.
1731
1732 2005-04-27  Kazu Hirata  <kazu@cs.umass.edu>
1733
1734         * tree.h (phi_arg_d): Expand a comment in phi_arg_d.
1735
1736 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
1737
1738         PR c/21213
1739         * c-decl.c (finish_struct): Don't dereference NULL TYPE_FIELDS of
1740         transparent union.
1741
1742 2005-04-27  Joseph S. Myers  <joseph@codesourcery.com>
1743
1744         PR c/20740
1745         * c-format.c (init_dynamic_asm_fprintf_info): Give errors, not
1746         assertion failures, if __gcc_host_wide_int__ is not properly
1747         defined.
1748         (init_dynamic_diag_info): Give errors, not assertion failures, if
1749         location_t, tree or __gcc_host_wide_int__ are not properly
1750         defined.
1751
1752 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
1753
1754         * tree-ssa-loop-ivopts.c (ivopts_data, decl_rtl_to_reset,
1755         n_iv_uses, iv_use, n_iv_cands, iv_cand,
1756         tree_ssa_iv_optimize_init, record_use, add_candidate_1,
1757         prepare_decl_rtl, free_loop_data,
1758         tree_ssa_iv_optimize_finalize): Use the VEC API instead of
1759         VARRAY.
1760
1761         * tree.h (tree_phi_node): Add a comment about the order of PHI
1762         arguments.
1763
1764 2005-04-26  Paul Brook  <paul@codesourcery.com>
1765
1766         * config/arm/arm.md (thumb_mulsi3): Use two-operand assembly form.
1767
1768 2005-04-26  Nathan Sidwell  <nathan@codesourcery.com>
1769
1770         * config/mips.mips.c (mips_legitimize_tls_address): Use
1771         gcc_unreachable.
1772
1773         * config/mmix/mmix.c (mmix_assemble_integer): Use gcc_assert.
1774         * config/mmix/crti.asm (_init): Reword comment to avoid 'abort'.
1775         * config/mmix/mmix.md (nonlocal_goto_receiver): Likewise.
1776
1777         * config/sparc/sparc.h (enum reg_class): Reword comment to avoid
1778         'abort'.
1779
1780 2005-04-26  Jeff Law  <law@redhat.com>
1781
1782         * tree-flow-inline.h (op_iter_next_must_and_may_def): New.
1783         (op_iter_init_must_and_may_def): Likewise.
1784         (unmodifiable_var_p): Move to a later point in the file.
1785         * tree-ssa-operands.h (FOR_EACH_SSA_MUST_AND_MAY_DEF_OPERAND): New.
1786         * tree-ssa-dse.c (need_imm_uses_for): Remove, no longer needed.
1787         (dse_record_phis): Directly check for virtual operands rather than
1788         using need_imm_uses_for.
1789         (dse_optimize_stmt): Handle V_MUST_DEF operands.  Handle case where
1790         store has multiple V_{MAY,MUST}_DEF operands.
1791
1792 2005-04-26  Andrew MacLeod  <amacleod@redhat.com>
1793
1794         * tree-cfg.c (bsi_replace): Delink immediate uses for the original
1795         stmt.
1796
1797 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
1798
1799         * tree-cfg.c (lv_adjust_loop_header_phi): Speed up moving a
1800         call to find_edge outside a loop to go through a PHI chain.
1801
1802 2004-04-26  Richard Guenther  <rguenth@gcc.gnu.org>
1803
1804         PR tree-optimization/17598
1805         * fold-const.c (fold_binary): Fold comparisons of addresses
1806         of COMPONENT_REFs which reference the same field to
1807         comparisons of the addresses of the base objects.
1808
1809 2005-04-26  Julian Brown  <julian@codesourcery.com>
1810
1811         * config/arm/arm.c (arm_return_in_msb): New function.
1812         (arm_must_pass_in_stack): New function.
1813         (TARGET_RETURN_IN_MSB): Define target hook.
1814         (TARGET_MUST_PASS_IN_STACK): Define target hook.
1815         (arm_function_value): Pad small aggregate return.
1816         (arm_pad_arg_upward): New function.
1817         (arm_pad_reg_upward): New function.
1818         * config/arm/arm.h (PROMOTE_FUNCTION_MODE): Include complex values.
1819         (FUNCTION_ARG_PADDING): Define macro.
1820         (BLOCK_REG_PADDING): Define macro.
1821         (PAD_VARARGS_DOWN): Correct padding for AAPCS.
1822         * config/arm/arm-protos.h (arm_pad_arg_upward): Declare function.
1823         (arm_pad_reg_upward): Declare function.
1824
1825 2005-04-26  Kazu Hirata  <kazu@cs.umass.edu>
1826
1827         * basic-block.h (ei_cond): New.
1828         (FOR_EACH_EDGE): Call ei_cond.
1829
1830         PR tree-optimization/21047
1831         * fold-const.c (fold_binary): Abort on ASSERT_EXPR.
1832         (fold): Don't handle ASSERT_EXPR.
1833
1834 2005-04-25  Roger Sayle  <roger@eyesopen.com>
1835
1836         * sched-deps.c (sched_analyze_1): On STACK_REGS targets, x87, treat
1837         all writes to any stack register as a read/write dependency on
1838         FIRST_STACK_REG.
1839         (sched_analyze_2): Likewise, for reads from any stack register.
1840
1841 2005-04-25  Richard Henderson  <rth@redhat.com>
1842
1843         * final.c (output_addr_const): Revert 2005-04-09 change.
1844
1845 2005-04-25  Mike Stump  <mrs@apple.com>
1846
1847         * config/darwin.c (darwin_encode_section_info): Always set
1848         MACHO_SYMBOL_STATIC for all ! TREE_PUBLIC symbols.
1849
1850 2005-04-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1851
1852         * collect2.c, gcc.c, gcov-dump.c, gcov.c, gen-protos.c,
1853         gensupport.c, protoize.c, toplev.c: Replace calls to
1854         `unlock_stream' with `unlock_std_streams'.
1855
1856 2005-04-25  Devang Patel <dpatel@apple.com>
1857
1858         * dbxout.c (dbxout_type): Emit attribute vector.
1859         
1860 2005-04-05  Paul Brook  <paul@codesourcery.com>
1861
1862         * target-def.h (TARGET_CXX_USE_AEABI_ATEXIT): Define.
1863         * target.h (struct gcc_target): Add cxx.use_aeabi_atexit.
1864         * config/arm/arm.c (arm_cxx_atexit_name): New function.
1865         (TARGET_CXX_USE_AEABI_ATEXIT): New macro.
1866         * cp/decl.c (get_atexit_node): Reorder arguments for __aeabi_atexit.
1867         (register_dtor_fn): Likewise.
1868         * doc/tm.texi: Document TARGET_CXX_USE_AEABI_ATEXIT.
1869
1870 2005-04-25  Ian Lance Taylor  <ian@airs.com>
1871
1872         * c-common.def (EXPR_STMT): Remove, moved to C++ frontend.
1873         * c-common.h (EXPR_STMT_EXPR): Don't define.
1874         (c_common_stmt_codes): Don't define.
1875         * c-dump.c (c_dump_tree): Remove EXPR_STMT case.
1876         * c-gimplify.c (gimplify_expr_stmt): Remove.
1877         (c_gimplify_expr): Remove EXPR_STMT case.
1878         * c-objc-common.c (c_objc_common_init): Remove stmt_codes and call
1879         to INIT_STATEMENT_CODES.
1880         * c-pretty-print.c (pp_c_statement): Just call dump_generic_node.
1881
1882 2005-04-25  Jan Hubicka  <jh@suse.cz>
1883
1884         * tree-cfg.c (tree_duplicate_bb): Duplicate EH region too.
1885
1886         * except.c: Include diagnostic.h
1887         (dump_eh_tree, verify_eh_tree): New functions.
1888         * except.h (verify_eh_tree, dump_eh_tree, verify_eh_edges): Declare.
1889         * tree-cfg.c (tree_verify_flow_info): verify eh edges.
1890         (dump_function_to_file): dump eh tree.
1891         * tree-eh.c (mark_eh_edge): New function.
1892         (mark_eh_edge_found_error): New static variable.
1893         (verify_eh_edges): New function.
1894
1895 2005-04-25  Nathan Sidwell  <nathan@codesourcery.com>
1896
1897         * tree-ssa-alias.c (fieldoff_t): Remove.
1898         (fieldoff_s): typedef the structure itself.  Create a vector of
1899         objects.
1900         (push_fields_onto_fieldstack): Return count of fields pushed.
1901         Remove peeling of first field.  Adjust.
1902         (fieldoff_compare): Adjust.
1903         (create_overlap_variables_for): Adjust.
1904
1905 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
1906
1907         * doc/invoke.texi (Blackfin Options): Avoid empty @opindex line.
1908
1909 2005-04-25  Joseph S. Myers  <joseph@codesourcery.com>
1910
1911         PR bootstrap/21215
1912         * doc/install.texi: Document correct assembler and linker to use
1913         on i?86-*-solaris2.10.
1914
1915 2005-04-25  Steven Bosscher  <stevenb@suse.de>
1916
1917         Fix PR tree-optimization/21173
1918
1919         * tree-ssa-pre.c (create_expression_by_pieces): Simplify code.
1920         Unshare expression we pass to force_gimple_operand.
1921
1922 2005-04-25  J"orn Rennecke <joern.rennecke@st.com>
1923             Stephen Clarke <stevec@superh.com>
1924             Roger Sayle <roger@eyesopen.com>
1925
1926         PR rtl-optimization/20413
1927         * cfgrtl.c (redirect_edge_and_branch): Use Pmode instead of
1928         VOIDmode for LABEL_REF.
1929         * final.c (shorten_branches): Likewise.
1930         * jump.c (mark_all_labels, redirect_exp_1): Likewise.
1931         * loop.c (reg_dead_after_loop): Likewise.
1932         * varasm.c (decode_addr_const): Likewise.
1933         * doc/rtl.texi: Document mode requirement for LABEL_REF.
1934
1935 2005-04-25  Ralf Corsepius  <ralf.corsepius@rtems.org>
1936
1937         * config.gcc (avr-*-*): Remove redundant "case".
1938
1939 2005-04-25  Kazu Hirata  <kazu@cs.umass.edu>
1940
1941         * tree-vect-analyze.c (vect_mark_relevant): Take
1942         VEC(tree,heap) instead of varray_type as an argument.
1943         (vect_mark_stmts_to_be_vectorized): Change the type of
1944         worklist to VEC(tree,heap).  Adjust uses of worklist.
1945
1946 2005-04-24  Devang Patel  <dpatel@apple.com>
1947
1948         *  config/rs6000/darwin.h (ASM_OUTPUT_MAX_SKIP_ALIGN): New.
1949         
1950 2005-04-24  Ian Lance Taylor  <ian@airs.com>
1951
1952         * c-semantics.c (build_stmt): Remove test of specific tree codes
1953         for TREE_SIDE_EFFECTS handling.
1954
1955 2005-04-24  Per Bothner  <per@bothner.com>
1956
1957         * c-opts.c (finish_options):  Make the line-number of the <built-in>
1958         location 0, as assumed elsewhere, rather than 1.
1959
1960 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
1961
1962         * tree-ssa-uncprop.c (equiv_stack): Change the type o
1963         VEC(tree,heap).
1964         (tree_ssa_uncprop, uncprop_finalize_block,
1965         uncprop_initialize_block): Update uses of equiv_stack.
1966
1967 2005-04-24  Richard Henderson  <rth@redhat.com>
1968
1969         PR rtl-opt/21163
1970         * simplify-rtx.c (simplify_binary_operation) <IOR>: Check
1971         for SCALAR_INT_MODE_P instead of not MODE_CC before returning
1972         constm1_rtx.
1973         <AND, LSHIFTRT, UMIN>: Use CONST0_RTX.
1974         <UDIV, UMOD>: Use CONST0_RTX and CONST1_RTX.
1975         <DIV, MOD>: Likewise.
1976
1977 2005-04-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1978
1979         * collect2.c (main): Unlock the stdio streams.
1980         * gcc.c (main): Likewise.
1981         * gcov-dump.c (main): Likewise.
1982         * gcov.c (main): Likewise.
1983         * gen-protos.c (main): Likewise.
1984         * gensupport.c (init_md_reader_args_cb): Likewise.
1985         * protoize.c (main): Likewise.
1986         * toplev.c (general_init): Likewise.
1987
1988 2005-04-24  Jakub Jelinek  <jakub@redhat.com>
1989
1990         PR middle-end/20991
1991         * cgraph.h (cgraph_local_info): Add vtable_method field.
1992         * varasm.c (mark_decl_referenced): If cgraph_global_info_ready
1993         and node is vtable_method, finalized and not reachable, don't do
1994         anything.
1995
1996 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
1997
1998         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Use
1999         COMPARISON_CLASS_P.
2000         * tree-ssa-pre.c (create_value_expr_from): Use
2001         CONSTANT_CLASS_P and REFERENCE_CLASS_P.
2002         * tree-ssa-propagate.c (stmt_makes_single_load,
2003         stmt_makes_single_store): Use REFERENCE_CLASS_P.
2004         * tree-vect-transform.c (vect_is_simple_cond): Use
2005         COMPARISON_CLASS_P.
2006         * tree-vrp.c (extract_range_from_assert,
2007         build_assert_expr_for, fp_predicate, has_assert_expr): Use
2008         COMPARISON_CLASS_P.
2009
2010         * tree-ssa-live.c (build_tree_conflict_graph): Change the type
2011         of tpa_to_clear to VEC(int,heap).  Update uses of
2012         tpa_to_clear.  Free tpa_to_clear at the end.
2013
2014 2005-04-24  Andrew Pinski  <pinskia@physics.uc.edu>
2015
2016         * tree.h (TREE_THIS_VOLATILE): Document the effect on a
2017         function decl.
2018
2019 2005-04-24  Nathan Sidwell  <nathan@codesourcery.com>
2020
2021         * config/rs6000/rs6000.c (rs6000_override_options): Use gcc_assert
2022         and gcc_unreachable as appropriate.
2023         (num_insns_constant, output_vec_const_move,
2024         build_mask64_2_operands, rs6000_output_dwarf_dtprel,
2025         rs6000_emit_set_const, rs6000_emit_move,
2026         spe_build_register_parallel, function_arg,
2027         rs6000_move_block_from_reg, altivec_expand_predicate_builtin,
2028         spe_expand_predicate_builtin, spe_expand_evsel_builtin,
2029         rs6000_expand_builtin, spe_init_builtins, altivec_init_builtins,
2030         rs6000_common_init_builtins, expand_block_clear,
2031         expand_block_move, validate_condition_mode, ccr_bit, extract_MB,
2032         extract_ME, rs6000_get_some_local_dynamic_name,
2033         rs6000_output_function_entry, print_operand,
2034         print_operand_address, rs6000_generate_compare, rs6000_emit_sCOND,
2035         output_cbranch, output_e500_flip_gt_bit,
2036         rs6000_emit_vector_compare, rs6000_emit_vector_compare,
2037         rs6000_emit_cmove, rs6000_emit_minmax, rs6000_split_multireg_move,
2038         compute_save_world_info, rs6000_stack_info,
2039         rs6000_emit_load_toc_table, rs6000_frame_related,
2040         spe_synthesize_frame_save, rs6000_emit_epilogue,
2041         rs6000_output_function_epilogue, rs6000_hash_constant, output_toc,
2042         output_function_profiler, rs6000_trampoline_size,
2043         rs6000_initialize_trampoline, find_addr_reg,
2044         rs6000_machopic_legitimize_pic_address,
2045         rs6000_initial_elimination_offset,
2046         rs6000_dbx_register_number): Likewise.
2047         * config/rs6000/rs6000.md (*fix_truncdfsi2_internal,
2048         *movdf_hardfloat32, *movdf_softfloat32, *fix_trunctfsi2_internal,
2049         *movti_power, *movti_string, call, call_value, sibcall,
2050         sibcall_value): Likewise.
2051         * config/rs6000/spe.md (*movdf_e500_double,
2052         *movv2si_internal): Likewise.
2053         * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): Remove 'abort'
2054         from comment.
2055
2056 2005-04-24  Richard Henderson  <rth@redhat.com>
2057
2058         PR target/21101
2059         * config/i386/i386.h (CANNOT_CHANGE_MODE_CLASS): Move guts to ...
2060         * config/i386/i386.c (ix86_cannot_change_mode_class): ... here.
2061         Deny modes smaller than 4 bytes.
2062         * config/i386/i386-protos.h: Update.
2063
2064 2005-04-24  Ralf Corsepius  <ralf.corsepius@rtems.org>
2065
2066         * config.gcc (h8300-*-rtems*): Add h8300-*-rtemscoff*.
2067         Switch h8300-*-rtems* to ELF.
2068
2069 2005-04-24  Kazu Hirata  <kazu@cs.umass.edu>
2070
2071         * vec.h (VEC_safe_grow): Replace grow with safe_grow.
2072
2073 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
2074
2075         * ipa-inline.c, tree-ssa-operands.h: Fix comment typos.
2076
2077 2005-04-23  Richard Guenther  <rguenth@gcc.gnu.org>
2078
2079         PR middle-end/21082
2080         * fold-const.c: Fold &a[i]-&a[j] to i-j.
2081
2082 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
2083
2084         * tree-ssa-loop-niter.c (tree_simplify_using_condition): Expand simple
2085         definitions of ssa names in condition.  Split recusive part to ...
2086         (tree_simplify_using_condition_1): New function.
2087         (expand_simple_operations): New function.
2088
2089 2005-04-23  Zdenek Dvorak  <dvorakz@suse.cz>
2090
2091         * tree-ssa-loop-ivopts.c (struct cost_pair): Add value field.
2092         (find_interesting_uses_cond): Do not use integer_zerop and
2093         integer_nonzerop to check for integer constants.
2094         (set_use_iv_cost): Record the value field.
2095         (determine_use_iv_cost_generic, determine_use_iv_cost_address,
2096         determine_use_iv_cost_outer): Set the value field of the cost pair.
2097         (may_eliminate_iv): Do not return the comparison code.
2098         (iv_elimination_compare): New function.
2099         (determine_use_iv_cost_condition): Set the value field.  Record
2100         noneliminable invariants correctly.
2101         (rewrite_use_compare, rewrite_use_outer): Use the value field.
2102
2103 2005-04-23  DJ Delorie  <dj@redhat.com>
2104
2105         * diagnostic.c (warning): Accept parameter to classify warning option.
2106         (warning0): New, for when a pointer to an error() like function is needed.
2107         * errors.c (warning): Likewise.
2108         * errors.h (warning, warning0): Adjust prototypes.
2109         * toplev.h (warning, warning0): Likewise.
2110
2111         * attribs.c, builtins.c, c-common.c, c-decl.c, c-format.c,
2112         c-gimplify.c, c-lex.c, c-objc-common.c, c-opts.c, c-parser.c,
2113         c-pragma.c, c-typeck.c, calls.c, cgraph.c, coverage.c, emit-rtl.c,
2114         fold-const.c, fortran/trans-decl.c, function.c, gcse.c,
2115         genautomata.c, haifa-sched.c, opts.c, passes.c, regclass.c,
2116         reload1.c, stmt.c, stor-layout.c, toplev.c, tree-cfg.c,
2117         tree-dump.c, tree-inline.c, tree-mudflap.c, tree-optimize.c,
2118         tree-ssa.c, tree.c, varasm.c: Adjust warning() callers.
2119
2120         * config/alpha/alpha.c, config/arc/arc.c, config/arm/arm.c,
2121         config/avr/avr.c, config/bfin/bfin.c, config/c4x/c4x-c.c,
2122         config/c4x/c4x.c, config/cris/cris.c, config/darwin-c.c,
2123         config/darwin.c, config/darwin.h, config/h8300/h8300.c,
2124         config/i386/cygming.h, config/i386/djgpp.h, config/i386/i386.c,
2125         config/i386/winnt.c, config/ia64/ia64-c.c, config/ia64/ia64.c,
2126         config/ip2k/ip2k.c, config/m32r/m32r.c, config/m68hc11/m68hc11.c,
2127         config/m68k/m68k.c, config/mcore/mcore.c, config/mips/mips.c,
2128         config/mmix/mmix.c, config/ns32k/ns32k.c, config/pa/pa-hpux11.h,
2129         config/pa/pa.c, config/rs6000/aix43.h, config/rs6000/aix51.h,
2130         config/rs6000/aix52.h, config/rs6000/darwin.h,
2131         config/rs6000/rs6000-c.c, config/rs6000/rs6000.c,
2132         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
2133         config/sh/symbian.c, config/sol2-c.c, config/sol2.c,
2134         config/stormy16/stormy16.c, config/v850/v850-c.c,
2135         config/v850/v850.c, config/xtensa/xtensa.c: Adjust warning()
2136         callers.
2137         
2138 2005-04-23  Richard Henderson  <rth@redhat.com>
2139
2140         PR rtl-opt/21102
2141         * simplify-rtx.c (simplify_binary_operation): Fix mode check before
2142         performing some integral scalar simplifications.
2143
2144 2005-04-23  Richard Henderson  <rth@redhat.com>
2145
2146         PR target/21099
2147         * config/i386/i386.c (ix86_split_to_parts): Use proper mode when
2148         simplifying CONST_VECTOR.
2149
2150 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
2151
2152         * tree-ssa-live.c (live_worklist): Take a stack allocated on
2153         heap as an argument.  Update uses of stack.
2154         (calculate_live_on_entry): Allocate stack on heap.
2155
2156         * tree-ssa-live.c (build_tree_conflict_graph): Allocate
2157         partition_link and tpa_nodes on heap.
2158
2159         * tree-ssa-dce.c (worklist): Change to VEC(tree,heap).
2160         (mark_stmt_necessary, propagate_necessity,
2161         mark_really_necessary_kill_operand_phis): Update uses of
2162         worklist.
2163         (tree_dce_init): Allocate worklist using VEC_alloc.
2164         (tree_dce_done): Free worklist using VEC_free.
2165
2166 2005-04-23  Mike Stump  <mrs@apple.com>
2167
2168         * config/darwin.c (machopic_indirection_name): Don't use
2169         quotes needlessly.
2170         (darwin_emit_unwind_label): Use user_label_prefix instead of
2171         "_".
2172
2173 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
2174
2175         * final.c, ipa-inline.c, varasm.c: Fix comment typos.
2176
2177 2005-04-23  Hans-Peter Nilsson  <hp@axis.com>
2178
2179         * config.gcc <cris-*>: Specify .opt files.
2180         * config/cris/cris.opt, config/cris/elf.opt, config/cris/aout.opt,
2181         config/cris/linux.opt: New files.
2182         * config/cris/aout.h (CRIS_SUBTARGET_SWITCHES)
2183         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
2184         (TARGET_ELF): Override to 0.
2185         (CRIS_SUBTARGET_HANDLE_OPTION): Override to handle -melinux and
2186         -melinux-stacksize=N.
2187         * config/cris/cris.c: (cris_handle_option): New function.
2188         (TARGET_DEFAULT_TARGET_FLAGS): Override.
2189         (TARGET_HANDLE_OPTION): Override to cris_handle_option.
2190         (cris_override_options): Use MASK_*, not TARGET_MASK_*.
2191         * config/cris/cris.h (TARGET_MASK_SVINTO, TARGET_SVINTO,
2192         (TARGET_MASK_CCINIT, TARGET_CCINIT, TARGET_MASK_PDEBUG)
2193         (TARGET_PDEBUG, TARGET_MASK_SIDE_EFFECT_PREFIXES)
2194         (TARGET_SIDE_EFFECT_PREFIXES, TARGET_MASK_EXPAND_MUL)
2195         (TARGET_EXPAND_MUL, TARGET_MASK_STACK_ALIGN, TARGET_STACK_ALIGN)
2196         (TARGET_MASK_CONST_ALIGN, TARGET_CONST_ALIGN)
2197         (TARGET_MASK_DATA_ALIGN, TARGET_DATA_ALIGN)
2198         (TARGET_MASK_PROLOGUE_EPILOGUE, TARGET_PROLOGUE_EPILOGUE)
2199         (TARGET_MASK_ETRAX4_ADD, TARGET_ETRAX4_ADD)
2200         (TARGET_MASK_ALIGN_BY_32, TARGET_ALIGN_BY_32, TARGET_MASK_ELF)
2201         (TARGET_ELF, TARGET_MASK_LINUX, TARGET_LINUX)
2202         (TARGET_MASK_AVOID_GOTPLT, TARGET_AVOID_GOTPLT)
2203         (TARGET_MASK_MUL_BUG, TARGET_MUL_BUG, TARGET_SWITCHES)
2204         (CRIS_SUBTARGET_SWITCHES, TARGET_OPTIONS)
2205         (CRIS_SUBTARGET_LONG_OPTIONS): Don't define.
2206         (TARGET_LINUX): Define 0.
2207         (TARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
2208         (CRIS_SUBTARGET_DEFAULT): Define to 0, not TARGET_MASK_ELF.
2209         (CRIS_SUBTARGET_DEFAULT): New empty default macro.
2210         * config/cris/linux.h (CRIS_SUBTARGET_SWITCHES): Don't define.
2211         (TARGET_LINUX): Override to 1.
2212         (CRIS_SUBTARGET_DEFAULT): Use MASK_*, not TARGET_MASK_*.
2213
2214 2005-04-23  Nathan Sidwell  <nathan@codesourcery.com>
2215
2216         * haifa-sched.c (schedule_block): Fix thinko in previous
2217         assertification patch.
2218
2219 2005-04-23  Richard Sandiford  <rsandifo@redhat.com>
2220
2221         * config.gcc (hppa[12]*-*-hpux10*): Add pa/pa-hpux.opt to
2222         $extra_options.  Also add pa/pa-hpux1010.opt for hpux10.[1-9]*.
2223         (hppa*64*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
2224         pa/pa-hpux.opt, pa/pa-hpux1010.opt and pa/pa64-hpux.opt to
2225         $extra_options.  Also add pa/pa-hpux1111.opt for hpux11.[1-9]*.
2226         (hppa[12]*-*-hpux11*): Add pa/pa-hpux1010.h to $tm_file.  Add
2227         pa/pa-hpux.opt to $extra_options.  Also add pa/pa-hpux1111.opt
2228         for hpux11.[1-9]*.
2229         * config/pa/pa.h (architecture_type, rtx_def, pa_arch_string, pa_arch)
2230         (pa_fixed_range_string, pa_cpu_string, pa_unix_string, target_flags)
2231         (MASK_PA_11, MASK_DISABLE_FPREGS, TARGET_DISABLE_FPREGS)
2232         (MASK_NO_SPACE_REGS, TARGET_NO_SPACE_REGS, MASK_JUMP_IN_DELAY)
2233         (TARGET_JUMP_IN_DELAY, MASK_DISABLE_INDEXING, TARGET_DISABLE_INDEXING)
2234         (MASK_PORTABLE_RUNTIME, TARGET_PORTABLE_RUNTIME, MASK_GAS, TARGET_GAS)
2235         (MASK_SOFT_FLOAT, TARGET_SOFT_FLOAT, MASK_LONG_LOAD_STORE)
2236         (TARGET_LONG_LOAD_STORE, MASK_FAST_INDIRECT_CALLS)
2237         (TARGET_FAST_INDIRECT_CALLS, MASK_BIG_SWITCH, TARGET_BIG_SWITCH)
2238         (MASK_PA_20, MASK_SIO, TARGET_SIO, MASK_GNU_LD, TARGET_GNU_LD)
2239         (MASK_LONG_CALLS, TARGET_LONG_CALLS, TARGET_PA_11, TARGET_PA_20)
2240         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS)
2241         (SUBTARGET_OPTIONS): Delete.
2242         (TARGET_PA_10): Redefine in terms of TARGET_PA_11 and TARGET_PA_20.
2243         (TARGET_SCHED_DEFAULT): Define to a PROCESSOR_* enum (PROCESSOR_8000)
2244         instead of a string.
2245         * config/pa/pa.c (pa_arch, pa_arch_string, pa_fixed_range_string)
2246         (pa_cpu_string, pa_unix_string): Delete.
2247         (pa_cpu): Initialize to TARGET_SCHED_DEFAULT.
2248         (flag_pa_unix): Initialize based on TARGET_HPUX_11_11 and
2249         TARGET_HPUX_10_10.
2250         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
2251         (pa_handle_option): New function.
2252         (override_options): Remove handling of -march=, -mfixed-range=,
2253         -mschedule= and -munix=.
2254         * config/pa/pa-hpux.h (SUBTARGET_SWITCHES): Delete.
2255         * config/pa/pa-hpux1010.h (SUBTARGET_OPTIONS): Delete.
2256         * config/pa/pa-hpux10.h (SUBTARGET_OPTIONS): Delete.
2257         * config/pa/pa-hpux1111.h (SUBTARGET_OPTIONS): Delete.
2258         * config/pa/pa-hpux11.h (SUBTARGET_OPTIONS): Delete.
2259         * config/pa/pa64-hpux.h (SUBTARGET_SWITCHES): Delete.
2260         * config/pa/pa64-start.h (TARGET_PA_11, TARGET_PA_20): #undef before
2261         redefining.
2262         * config/pa/pa.opt: New file.
2263         * config/pa/pa-hpux.opt: New file.
2264         * config/pa/pa-hpux1010.opt: New file.
2265         * config/pa/pa-hpux1111.opt: New file.
2266         * config/pa/pa64-hpux.opt: New file.
2267
2268 2005-04-22  David S. Miller  <davem@davemloft.net>
2269
2270         * rtl.h (CONST_DOUBLE): Fix comment, a CONST_DOUBLE holds an
2271         integer when it's mode is VOIDmode not DImode.
2272
2273 2005-04-22  Geoffrey Keating  <geoffk@apple.com>
2274
2275         * config/rs6000/rs6000.md (sync_add<mode>_internal,
2276         sync_addshort_internal, sync_sub<mode>_internal, sync_andsi_internal,
2277         sync_anddi_internal, sync_boolsi_internal, sync_booldi_internal,
2278         sync_boolc<mode>_internal, sync_boolc<mode>_internal2,
2279         sync_boolcc<mode>_internal, sync_lock_test_and_set<mode>): Use
2280         "bne- $-xxx" rather than local labels.
2281         (sync_lock_release<mode>): Add second operand.
2282         (lwsync): Use .long rather than a more meaningful opcode.
2283         * doc/md.texi (Standard Names): Add description of second
2284         parameter to sync_lock_test_and_set.
2285
2286 2005-04-23  Kazu Hirata  <kazu@cs.umass.edu>
2287
2288         PR tree-optimization/21088
2289         * fold-const.c (fold_unary, fold_binary, fold_ternary):
2290         Export.
2291         * tree-vrp.c (compare_values): Use fold_binary to compare
2292         pointers.  Use boolean_type_node as the type of a comparison
2293         expression being folded.
2294         * tree.h: Add prototypes for fold_unary, fold_binary,
2295         fold_ternary.
2296
2297         * tree-ssa-dom.c: Fix formatting.
2298
2299 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
2300
2301         * Makefile.in (tree-into-ssa.o): Add dependency on PARAMS_H.
2302         * lambda-code.c (perfect_nestify): Mark virtual operands in
2303         the moved statement for renaming.
2304         * params.def (PARAM_MIN_VIRTUAL_MAPPINGS): Define.
2305         (PARAM_VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
2306         * params.h (MIN_VIRTUAL_MAPPINGS): Define.
2307         (VIRTUAL_MAPPINGS_TO_SYMS_RATIO): Define.
2308         * tree-flow.h (struct var_ann_d): Update comments.
2309         (rewrite_to_new_ssa_names_bb, rewrite_to_new_ssa_names,
2310         allocate_ssa_names, find_phi_node_for, dump_tree_ssa,
2311         debug_tree_ssa, debug_def_blocks, dump_tree_ssa_stats,
2312         debug_tree_ssa_stats, rewrite_ssa_into_ssa,
2313         dump_repl_tbl, debug_repl_tbl, dump_names_replaced_by,
2314         debug_names_replaced_by): Remove declarations.
2315         (delete_update_ssa, get_current_def, set_current_def): Declare.
2316         (rewrite_into_loop_closed_ssa): Add new argument.  Update
2317         all callers.
2318         * tree-into-ssa.c: Include params.h.
2319         (old_virtual_ssa_names): Remove.  Update all users.
2320         (need_to_replace_names_p): Remove.  Update all users.
2321         (struct update_ssa_stats_d): Declare.
2322         (update_ssa_stats): New local.
2323         (dump_tree_ssa, debug_tree_ssa, debug_def_blocks,
2324         dump_tree_ssa_stats, debug_tree_ssa_stats,
2325         dump_update_ssa, debug_update_ssa,
2326         dump_names_replaced_by, debug_names_replaced_by): Declare.
2327         (get_current_def, set current_def): Make extern.
2328         (is_old_name, is_new_name): Protect against references
2329         past the end of the sets.
2330         (add_new_name_mapping): Assert that OLD and NEW are
2331         different SSA names for the same symbol.
2332         When adding a virtual mapping, update stats for virtual
2333         mapping heuristic.
2334         (insert_phi_nodes_for): If UPDATE_P is true, create the
2335         LHS of the new PHI by duplicating SSA name VAR.
2336         (insert_phi_nodes_1): Remove.  Update all users.
2337         (insert_phi_nodes): Remove second argument.  Update all
2338         users.
2339         (maybe_replace_use, maybe_replace_def): New.
2340         (rewrite_update_stmt): Call them.
2341         (mark_def_interesting): Remove calls to is_gimple_reg.
2342         (prepare_phi_args_for_update): Remove.  Update all users.
2343         (prepare_block_for_update): Only process virtual operands
2344         and GIMPLE registers in normal form.
2345         (prepare_use_sites_for): New.
2346         (prepare_names_to_update): Rename from prepare_def_sites.
2347         Call prepare_use_sites_for.
2348         (dump_update_ssa): Rename from dump_repl_tbl.
2349         Update all users.
2350         Show statistics for virtual mapping heuristic.
2351         (debug_update_ssa): Rename from debug_debug_repl_tbl.
2352         (init_update_ssa): Initialize UPDATE_SSA_STATS.
2353         (delete_update_ssa): Make extern.
2354         (mark_set_for_renaming): If the set is empty, do nothing.
2355         (release_ssa_name_after_update_ssa): Update comment.
2356         (insert_updated_phi_nodes_for): Do not remove existing
2357         PHI nodes for symbols.
2358         (switch_virtuals_to_full_rewrite_p): New.
2359         (switch_virtuals_to_full_rewrite): New.
2360         (update_ssa): Call them.
2361         Clear REWRITE_THIS_STMT and REGISTER_DEFS_IN_THIS_STMT
2362         for every statement before updating.
2363         If all the names in NEW_SSA_NAMES have been marked for
2364         removal, do nothing.
2365         Only start at the top of the CFG if there are symbols in
2366         SYMS_TO_RENAME.
2367         (ssa_rewrite_finalize_block): Remove.
2368         (ssa_register_new_def): Remove.
2369         (ssa_rewrite_stmt): Remove.
2370         (ssa_rewrite_phi_arguments): Remove.
2371         (ssa_rewrite_initialize_block): Remove.
2372         (ssa_mark_def_sites): Remove.
2373         (ssa_mark_def_sites_initialize_block): Remove.
2374         (ssa_mark_phi_uses): Remove.
2375         (rewrite_ssa_into_ssa): Remove.
2376         * tree-phinodes.c (find_phi_node_for): Remove.
2377         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
2378         Call update_ssa.
2379         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops):
2380         Remove calls to verify_dominators and
2381         verify_loop_structure.
2382         (tree_unswitch_single_loop): Call update_ssa.
2383         * tree-ssa.c (verify_ssa): Assert that need_ssa_update_p
2384         returns false.
2385         Call verify_stmts.
2386         (delete_tree_ssa): Assert that need_ssa_update_p returns
2387         false.
2388         * tree-vect-transform.c (vect_transform_loop): Call update_ssa.
2389         * tree-vectorizer.c (allocate_new_names, rename_def_op,
2390         free_new_names): Remove.  Update all users.
2391         (rename_use_op): Call get_current_def.
2392         (rename_variables_in_bb): Do not handle any real or
2393         virtual definition.
2394         (slpeel_update_phis_for_duplicate_loop): Call
2395         get_current_def and set_current_def instead of using
2396         SSA_NAME_AUX.
2397         (slpeel_update_phi_nodes_for_guard2): Reformat comments.
2398         (slpeel_can_duplicate_loop_p): Call need_ssa_update_p,
2399         ssa_names_to_replace and delete_update_ssa.
2400         * doc/invoke.texi: Document --param min-virtual-mappings
2401         and --param virtual-mappings-ratio.
2402
2403 2005-04-22  Diego Novillo  <dnovillo@redhat.com>
2404
2405         * tree-cfg.c (tree_duplicate_bb): Call create_new_def_for
2406         for newly created PHI nodes.
2407         Call create_new_def_for for every new V_MAY_DEF and
2408         V_MUST_DEF on the copied statement.
2409         (struct ssa_name_map_entry): Remove.
2410         (ssa_name_map_entry_hash): Remove.
2411         (ssa_name_map_entry_eq): Remove.
2412         (allocate_ssa_names): Remove.
2413         (rewrite_to_new_ssa_names_def): Remove.
2414         (rewrite_to_new_ssa_names_use): Remove.
2415         (rewrite_to_new_ssa_names_bb): Remove.
2416         (rewrite_to_new_ssa_names): Remove.
2417         (tree_duplicate_sese_region): Remove variables ver,
2418         definitions, phi, ssa_name_map and bi.
2419         Call need_ssa_update_p instead of any_marked_for_rewrite_p.
2420         Call update_ssa.
2421         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
2422         update_ssa instead of rewrite_ssa_into_ssa.
2423         * tree-ssa-loop-manip.c (add_exit_phis_edge): Call
2424         create_new_def_for.
2425         (find_uses_to_rename_use): Add argument 'need_phis'.
2426         (find_uses_to_rename_stmt): Do not scan virtual operands.
2427         (find_uses_to_rename): Only scan PHI nodes for
2428         non-virtual names.
2429         (rewrite_into_loop_closed_ssa): Call update_ssa.
2430         (check_loop_closed_ssa_use): Ignore virtual operands.
2431         (check_loop_closed_ssa_stmt): Likewise.
2432         (verify_loop_closed_ssa): Do nothing if CURRENT_LOOPS is
2433         NULL.
2434         (rename_variables, set_phi_def_stmts): Remove.
2435         (tree_duplicate_loop_to_header_edge): Reformat comment.
2436         Remove variables BB, I and DEFINITIONS.
2437         Call need_ssa_update_p.
2438         Call update_ssa.
2439         (lv_adjust_loop_header_phi): Reformat comment.
2440         * tree-ssanames.c (ssa_names_to_rewrite): Remove.
2441         (marked_for_rewrite_p, any_marked_for_rewrite_p,
2442         mark_for_rewrite, unmark_all_for_rewrite,
2443         marked_ssa_names): Remove.  Update all users.
2444         (release_ssa_name): If VAR has been registered for SSA
2445         updating, do nothing.
2446         * tree-vrp.c (new_ssa_names, old_ssa_names): Remove.
2447         (build_assert_expr_for): Call register_new_name_mapping.
2448         (insert_range_assertions): Update call to update_ssa.
2449         * tree.h (mark_for_rewrite, unmark_all_for_rewrite,
2450         marked_for_rewrite_p, any_marked_for_rewrite_p,
2451         marked_ssa_names): Remove.
2452
2453 2005-04-22  Jeff Law  <law@redhat.com>
2454
2455         * tree-ssa-dom.c (block_defs_stack): Remove, no longer needed.
2456         (restore_currdefs_to_original_value): Likewise.
2457         (register_definitions_for_stmt): Likewise.
2458         (tree_ssa_dominator_optimize): No longer initialize CURRENT_DEF
2459         for each variable.  Do not allocate/free block_defs_stack either.
2460         Do not iterate if we just thread jumps.  Only iterate if the
2461         tree_cleanup_cfg does useful work (temporary).
2462         (dom_opt_initialize_block): No longer push a marker on
2463         BLOCK_DEFS_STACK.
2464         (dom_opt_finalize_block): Removal call to restore currdefs.
2465         Relax restrictions for recording edge equivalences.
2466         (record_equivalences_from_phis): No longer need to track
2467         CURRENT_DEF.
2468         (optimize_stmt): Similarly.
2469         (thread_across_edge): Simplify by removing the requirement that
2470         statements in the block we are threading through must be nops.
2471         (initialize_hash_element): Handle GOTO_EXPR.
2472
2473 2005-04-22  David S. Miller  <davem@davemloft.net>
2474
2475         * sched-vis.c (print_value): Use CONST_DOUBLE_LOW and
2476         CONST_DOUBLE_HIGH.
2477         * config/sparc/sparc.c (sparc_rtx_costs): Likewise, and
2478         fix check on CONST_DOUBLE mode.  It should be VOIDmode
2479         when it is representing an integer.
2480
2481 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
2482
2483         * builtins.c (gimplify_va_arg_expr): Reword comments to avoid
2484         'abort'. Use gcc_assert and gcc_unreachable as appropriate.
2485         * c-format.c (get_constant, decode_format_attr, get_flag_spec, 
2486         find_char_info_specifier_index,
2487         find_length_info_modifier_index): Likewise.
2488         * c-typeck.c (composite_type, pop_init_level): Likewise.
2489         * combine.c (cant_combine_insn_p, try_combine): Likewise.
2490         * cse.c (cse_insn): Likewise
2491         * dominance.c (calc_dfs_tree): Likewise
2492         dwarf2out.c (loc_descriptor_from_tree_1,
2493         add_abstract_origin_attribute, force_decl_die,
2494         force_type_die): Likewise
2495         emit-rtl.c (operand_subword_force): Likewise
2496         explow.c (hard_function_value): Likewise
2497         expmed.c (store_bit_field, expand_divmod,
2498         emit_store_flag_force): Likewise
2499         expr.c (emit_move_multi_word, store_expr,
2500         expand_expr_real_1): Likewise
2501         final.c (this_is_asm_operands, shorten_branches, final_scan_insn,
2502         output_operand): Likewise
2503         flow.c (recompute_reg_usage): Likewise
2504         * function.c (assign_stack_temp_for_type, assign_temp, 
2505         handle_epilogue_set): Likewise
2506         * genextract.c (main): Likewise
2507         * gimplify.c (mostly_copy_tree_r, gimplify_return_expr,
2508         gimplify_modify_expr_rhs, gimplify_expr): Likewise
2509         * haifa-sched.c (ready_lastpos, ready_remove_first, ready_element,
2510         ready_remove, rm_line_notes, rm_other_notes,
2511         schedule_block): Likewise
2512         mips-tfile.c (copy_object, out_of_bounds): Likewise
2513
2514 2005-04-22 David Edelsohn  <edelsohn@gnu.org>
2515
2516         PR target/20813
2517         * config/rs6000/default64.h (TARGET_DEFAULT): Add MASK_PPC_GFXOPT.
2518         * config/rs6000/rs6000.c (processor_target_table): Rename rs64a to
2519         rs64.  Add MASK_PPC_GFXOPT to powerpc64 and rs64.
2520         (rs6000_init_libfuncs): Set TFmode optabs to xlq names if
2521         TARGET_XL_COMPAT.
2522         * doc/invoke.texi (PowerPC options): Change rs64a to rs64.
2523
2524 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
2525
2526         * lambda-code.c: Define VEC(int,heap), VEC(lambda_loop,heap).
2527         (gcc_tree_to_linear_expression): Convert to heap allocated
2528         vectors.
2529         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
2530         lbv_to_gcc_expression, lle_to_gcc_expression,
2531         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest, 
2532         perfect_nestify): Likewise.
2533         lambda.h (gcc_loopnest_to_lambda_loopnest,
2534         lambda_loopnest_to_gcc_loopnest): Likewise.
2535         tree-loop-linear.c (linear_transform_loops): Likewise.
2536
2537 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
2538
2539         * config/sparc/predicates.md (arith_double_operand): Use
2540         trunc_int_for_mode if HOST_BITS_PER_WIDE_INT >=64.
2541         * config/sparc/sparc.md (movqi, movhi, movsi, movqi): Use gen_int_mode.
2542         (DImode, DFmode constant splitters): Likewise.  Remove code for
2543         TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT < 64.
2544         (logical constant splitters): Use const_int_operand predicate.
2545         (lshrsi3_extend): Remove code for TARGET_ARCH64 &&
2546         HOST_BITS_PER_WIDE_INT < 64.
2547
2548 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
2549
2550         * config/pa/pa.c (legitimize_pic_address): Use gcc_assert and
2551         gcc_unreachable as appropriate.
2552         (force_mode, emit_move_sequence, singlemove_string,
2553         output_move_double, output_fp_move_double, find_addr_reg,
2554         output_block_move, output_block_clear, output_and,
2555         output_64bit_and, output_ior, output_64bit_ior, store_reg_modify,
2556         pa_adjust_cost, pa_issue_rate, print_operand,
2557         output_global_address, output_arg_descriptor, output_cbranch,
2558         output_lbranch, output_bb, output_bvb, output_dbra, output_movb,
2559         output_call): Likewise.
2560         * config/pa/pa.md (call, call_value, sibcall, sibcall_value,
2561         prefetch, prefetch_cc, prefetch_nocc): Likewise.
2562
2563 2005-04-22  Zdenek Dvorak  <dvorakz@suse.cz>
2564
2565         * Makefile.in (LIBGCOV): Add _gcov_interval_profiler,
2566         _gcov_pow2_profiler and _gcov_one_value_profiler.
2567         (tree-profile.o): Add GGC_H and gt-tree-profile.h dependency.
2568         (GTFILES): Add $(srcdir)/tree-profile.c.
2569         * gcov-io.h (__gcov_interval_profiler, __gcov_pow2_profiler,
2570         __gcov_one_value_profiler): Declare.
2571         * gimplify.c (force_gimple_operand): Check whether the statements
2572         should be produced in ssa form.
2573         (force_gimple_operand_bsi): New function.
2574         * libgcov.c (__gcov_interval_profiler, __gcov_pow2_profiler,
2575         __gcov_one_value_profiler): New functions.
2576         * rtl-profile.c (rtl_gen_pow2_profiler): Only measure whether
2577         the profiled value is a power of two or not.
2578         * tree-cfg.c (tree_block_ends_with_condjump_p): Handle empty blocks.
2579         * tree-flow.h (in_ssa_p): Declare.
2580         (force_gimple_operand_bsi): Declare.
2581         * tree-into-ssa.c (in_ssa_p): New variable.
2582         (rewrite_into_ssa): Set in_ssa_p.
2583         * tree-outof-ssa.c (rewrite_out_of_ssa): Set in_ssa_p.
2584         * tree-profile.c: Include ggc.h and gt-tree-profile.h.
2585         (gcov_type_node, tree_interval_profiler_fn, tree_pow2_profiler_fn,
2586         tree_one_value_profiler_fn): New variables.
2587         (tree_init_edge_profiler): Initialize the profiler function decls.
2588         (tree_gen_edge_profiler): Use global gcov_type_node.
2589         (prepare_instrumented_value): New function.
2590         (tree_gen_interval_profiler, tree_gen_interval_profiler,
2591         tree_gen_one_value_profiler): Call the library functions instead of
2592         creating instrumentation code.
2593         * tree.c (build_fn_decl): New function.
2594         * tree.h (build_fn_decl): Declare.
2595         * value-prof.c (rtl_divmod_values_to_profile,
2596         rtl_find_values_to_profile, rtl_mod_pow2_value_transform,
2597         tree_mod_pow2_value_transform, tree_find_values_to_profile):
2598         Do not handle may_be_other and precise values of exponents at pow2
2599         profiler.
2600         (tree_mod_subtract_transform): Reflect that value field of
2601         histogram has changed meaning.
2602         (tree_divmod_values_to_profile): Record the values correctly.
2603         (tree_values_to_profile): Update comment.
2604         * value-prof.h (struct histogram_value_t): Remove pow2 data.
2605
2606 2005-04-22  Joseph S. Myers  <joseph@codesourcery.com>
2607
2608         * varasm.c (do_assemble_alias): Return early if TREE_ASM_WRITTEN
2609         (decl).
2610
2611 2005-04-22  Nathan Sidwell  <nathan@codesourcery.com>
2612
2613         * config/i386/i386.md (length_immediate): Use gcc_assert or
2614         gcc_unreachable, as appropriate.
2615         (*movsi_1, *movqi_1, reload_outqi, *movdi_1_rex64, *pushsf,
2616         *pushsf_rex64, *truncxfsf2_mixed, *truncxfsf2_i387,
2617         *truncxfdf2_mixed, *truncxfdf2_i387, *adddi_1_rex64,
2618         *adddi_2_rex64, *adddi_3_rex64, *adddi_4_rex64, *adddi_5_rex64,
2619         *addsi_1, addsi_1_zext, *addsi_2, *addsi_2_zext, *addsi_3,
2620         *addsi_3_zext, *addsi_4, *addsi_5, *addhi_1_lea, *addhi_1,
2621         *addhi_2, *addhi_3, *addhi_4, *addhi_5, *addqi_1_lea, *addqi_1,
2622         *addqi_1_slp, *addqi_2, *addqi_3, *addqi_4, *addqi_5, addqi_ext_1,
2623         *addqi_ext_1_rex64, *anddi_1_rex64, *andsi_1, *andhi_1,
2624         *ashldi3_1_rex64, *ashldi3_cmp_rex64, *ashlsi3_1, *ashlsi3_1_zext,
2625         *ashlsi3_cmp, *ashlsi3_cmp_zext, *ashlhi3_1_lea, *ashlhi3_1,
2626         *ashlhi3_cmp, *ashlqi3_1_lea, *ashlqi3_1, *ashlqi3_cmp,
2627         pro_epilogue_adjust_stack_1, pro_epilogue_adjust_stack_rex64,
2628         pro_epilogue_adjust_stack_rex64_2, prefetch, *prefetch_sse,
2629         *prefetch_sse_rex): Likewise.
2630         * config/i386/predicates.md (x86_64_immediate_operand,
2631         x86_64_zext_immediate_operand, symbolic_operand,
2632         no_seg_address_operand, aligned_operand,
2633         memory_displacement_operand): Likewise.
2634         * config/i386/sse.md (*mov<mode>_internal,
2635         *movv2df_internal): Likewise.
2636
2637 2005-04-22  Jan Hubicka  <jh@suse.cz>
2638
2639         * Makefile.in (ipa.o, ipa-inline.o): New files.
2640         * cgraph.h (cgraph_remove_unreachable_nodes, cgraph_postorder,
2641         cgraph_decide_inlining_incrementally, cgraph_clone_inlined_nodes,
2642         cgraph_mark_inline_edge, cgraph_default_inline_p): Declare.
2643         * cgraphunit.c (cgraph_default_inline_p,
2644         cgraph_decide_inlining_incrementally,  ncalls_inlined,
2645         nfunctions_inlined, initial_insns, overall_insns, 
2646         cgraph_estimate_size_after_inlining, cgraph_estimate_growth,
2647         cgraph_clone_inlined_nodes, cgraph_mark_inline_edge,
2648         cgraph_mark_inline, cgraph_check_inline_limits,
2649         cgraph_default_inline_p, cgraph_recursive_inlining_p,
2650         update_callee_keys, lookup_recursive_calls,
2651         cgraph_decide_recursive_inlining, cgraph_set_inline_failed,
2652         cgraph_decide_inlining_of_small_functions, cgraph_decide_inlining,
2653         cgraph_decide_inlining_incrementally, cgraph_gate_inlining,
2654         pass_ipa_inline): Move to ipa-inline.c
2655         (cgraph_postorder, cgraph_remove_unreachable_nodes): Move to ipa.c
2656         * ipa.c: New file.
2657         * ipa-inline.c: New file.
2658
2659 2005-04-22  Eric Botcazou  <ebotcazou@libertysurf.fr>
2660
2661         * doc/invoke.texi (SPARC options): Document that -mapp-regs
2662         is turned off by default on Solaris.
2663
2664 2005-04-21  Roger Sayle  <roger@eyesopen.com>
2665
2666         * c-common.h (objc_build_method_signature): Update prototype.
2667         * stub-objc.c (objc_build_method_signature): Update the stub
2668         implementation to accept and ignore additional parameter.
2669         * c-parser.c (c_parser_objc_method_decl): Reorgnize to pass
2670         the value of ellipsis to objc_build_method_signature instead
2671         of setting TREE_OVERFLOW on the parms TREE_LIST node.
2672
2673 2005-04-21  Geoffrey Keating  <geoffk@apple.com>
2674
2675         * config/rs6000/rs6000-protos.h (rs6000_emit_sync): New.
2676         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Use
2677         gen_rtx_* not gen_rtx_fmt_*.
2678         (rs6000_emit_vector_select): Likewise.
2679         (rs6000_emit_sync): New.
2680         * config/rs6000/rs6000.md (GPR, INT, INT1): New mode macros.
2681         (larx, stcx, cmp): New mode substitutions.
2682         (UNSPEC_SYNC, UNSPEC_SYNC_OP, UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC,
2683         UNSPEC_ISYNC): New constants.
2684         (rlwinm): Give name.
2685         (memory_barrier, isync, lwsync): New insns.
2686         (sync_compare_and_swap<mode>, sync_lock_test_and_set<mode>): New insn.
2687         (sync_lock_release<mode>): New expander.
2688         (sync_add<mode>, sync_sub<mode>, sync_ior<mode>, sync_and<mode>,
2689         sync_xor<mode>, sync_nand<mode>, sync_old_add<mode>,
2690         sync_old_sub<mode>, sync_old_ior<mode>, sync_old_and<mode>,
2691         sync_old_xor<mode>, sync_old_nand<mode>, sync_new_add<mode>,
2692         sync_new_sub<mode>, sync_new_ior<mode>, sync_new_and<mode>,
2693         sync_new_xor<mode>, sync_new_nand<mode>): New expanders.
2694         (sync_add<mode>_internal, sync_addshort_internal,
2695         sync_sub<mode>_internal, sync_andsi_internal, sync_anddi_internal,
2696         sync_boolsi_internal, sync_booldi_internal, sync_boolc<mode>_internal,
2697         sync_boolc<mode>_internal2, sync_boolcc<mode>_internal): New insns.
2698
2699         * doc/md.texi (Standard Names): sync_compare_and_swap's operand 0
2700         is the memory before, not after, the operation.  Clarify
2701         barrier requirements.
2702
2703 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
2704
2705         * cfghooks.h (struct cfg_hooks): Reword comments to avoid 'abort'.
2706         * lambda.h (lambda_vector_min_nz): Likewise.
2707         * langhooks.h (struct lang_hooks_for_types,
2708         struct lang_hooks): Likewise.
2709         * output.h (assemble_integer, this_is_asm_operands): Likewise.
2710         * tree.h: Likewise.
2711         * vec.h: Likewise.
2712         * tree-flow-inline.h (relink_imm_use): Use gcc_assert.
2713         
2714         * optabs.c (prepare_cmp_insn, emit_cmp_and_jump_insns): Reword
2715         comments to avoid 'abort'.  Use gcc_assert as necessary.
2716         * opts.c (common_handle_option): Likewise.
2717         * pretty-print.c (pp_base_format_text): Likewise.
2718         * print-rtl.c (print_rtx): Likewise.
2719         * read-rtl.c (read_rtx_filename, read_rtx_1): Likewise.
2720         * regmove.c (try_auto_increment): Likewise.
2721         * reload.c (find_valid_class, find_reloads_toplev,
2722         find_equiv_reg): Likewise.
2723         * reload1.c (reload, forget_old_reloads_1, function_invariant_p, 
2724         merge_assigned_reloads): Likewise.
2725         * tree-inline.c (inline_forbidden_p_1,
2726         estimate_num_insns_1): Likewise.
2727         * tree-optimize.c (execute_todo): Likewise.
2728         * tree-outof-ssa.c (eliminate_phi): Likewise.
2729         * tree-ssa-alias.c (add_pointed_to_expr): Likewise.
2730         * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Likewise.
2731         * tree-ssa-operands.c (parse_ssa_operands,
2732         get_indirect_ref_operands, create_ssa_artficial_load_stmt): Likewise.
2733         * tree-ssa-pre.c (find_or_generate_expression): Likewise.
2734         * tree-ssanames.c (release_ssa_name): Likewise.
2735         * tree.c (int_bit_position, int_byte_position, tree_low_cst, 
2736         walk_tree): Likewise.
2737
2738         * tree-ssa-operands.c (verify_abort): Fold into ..
2739         (verify_imm_links): ... here.
2740
2741 2005-04-21  Richard Henderson  <rth@redhat.com>
2742
2743         * config/alpha/sync.md (sync_new_nand<I48MODE>): Fix constraints
2744         on non-memory operand for previous inversion.
2745
2746 2005-04-21  Devang Patel  <dpatel@apple.com>
2747
2748         PR optimization/20994
2749         * tree-if-conv.c (find_phi_replacement_condition): Avoid generating
2750         x = !(a == b) : p , q;.
2751         (pass_if_conversion): Verify stmts and flow.
2752         
2753 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
2754
2755         * optabs.c (gen_conditional_trap): Restore #define.
2756
2757         * alias.c (true_dependence): Remove 'abort' from comments. Use
2758         gcc_assert and gcc_unreachable as appropriate.
2759         (canon_true_dependence): Likewise.
2760         * bb-reorder.c (connect_traces): Likewise.
2761         * c-common.c (c_add_case_label): Likewise.
2762         * c-decl.c (finish_function): Likewise.
2763         * caller-save.c (insert_restore, insert_save): Likewise.
2764         * cfg.c (update_bb_profile_for_threading): Likewise.
2765         * cfganal.c (flow_active_insn_p): Likewise.
2766         * cfgexpand.c (add_reg_br_prob_note): Likewise.
2767         * cfgrtl.c (rtl_redirect_edge_and_branch_force, rtl_split_edge,
2768         cfg_layout_merge_blocks): Likewise.
2769         * ifcvt.c (cond_exec_process_insns, merge_if_block,
2770         find_if_block): Likewise.
2771         * integrate.c (allocate_initial_values): Likewise.
2772         * jump.c (reverse_condition, reverse_condition_maybe_unordered,
2773         swap_condition, unsigned_condition, signed_condition,
2774         mark_jump_label, invert_jump_1, rtx_renumbered_equal_p,
2775         reg_or_subregno): Likewise.
2776         * lambda-code.c (lambda_compute_auxillary_space,
2777         lambda_transform_legal_p): Likewise.
2778         * lambda-mat.c (lambda_matrix_inverse_hard): Likewise.
2779         * langhooks.c (lhd_set_decl_assembler_name, lhd_type_promotes_to,
2780         lhd_incomplete_type_error, lhd_expand_expr,
2781         lhd_types_compatible_p, lhd_tree_size): Likewise.
2782         * lcm.c (create_pre_exit, optimize_mode_switching): Likewise.
2783         * local-alloc.c (update_equiv_regs): Likewise.
2784         * loop-unroll.c (peel_loop_completely
2785         unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
2786         peel_loop_simple, unroll_loop_stupid,
2787         analyze_iv_to_split_insn): Likewise.
2788         * loop.c (gen_prefetch, find_and_verify_loops,
2789         basic_induction_var): Likewise.
2790         * modulo-sched.c (normalize_sched_times, check_nodes_order): Likewise.
2791         * value-prof.c (tree_find_values_to_profile): Likewise.
2792         * varasm.c (named_section, default_assemble_integer,
2793         decode_addr_const): Likewise.
2794
2795 2005-04-21 Alan Modra  <amodra@bigpond.net.au>
2796            Fariborz Jahanian <fjahanian@apple.com>
2797
2798         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Fix size of
2799         portion of argument passed in fpr.
2800         * expr.c (emit_push_insn): Fix computation of 'offset' used to
2801         decide on partial argument save on stack.
2802
2803 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
2804
2805         * config/sparc/predicates.md, config/sparc/sparc.md: Fix
2806         comment typos.
2807
2808 2005-04-21  Jan Hubicka  <jh@suse.cz>
2809
2810         * cgraphunit.c: Include tree-pass.h
2811         (cgraph_decide_recursive_inlining,
2812         cgraph_decide_inlining_of_small_function, cgraph_set_inline_failed,
2813         cgraph_decide_inlining): Dump goes to dump_file.
2814         (cgraph_optimize): Call ipa passes instead of inliner.
2815         (cgraph_gate_inlining, pass_ipa_inline): New.
2816         * tree-optimize.c (all_ipa_passes): New static variable.
2817         (register_one_dump_file): Dead with IPA passes.
2818         (register_dump_files): Likewise.
2819         (init_tree_optimization_passes): Initialize IPA passes.
2820         (execute_todo): Do cgraph dump when asked to, do not dump function body
2821         for IPA pass.
2822         * tree-pass.h (TODO_dump_cgraph): New macro.
2823         (ipa_passes): Declare.
2824         * Makefile.in (cgraphunit.o): Add dependency on cgraphunit.h
2825
2826 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
2827
2828         * config/i386/i386.c (type_natural_mode): Use gcc_unreachable and
2829         gcc_assert instead of abort.
2830         (classify_argument, examine_argument, construct_container,
2831         contains_128bit_aligned_vector_p, ix86_check_movabs,
2832         standard_80387_constant_opcode, standard_80387_constant_rtx,
2833         ix86_initial_elimination_offset, ix86_compute_frame_layout,
2834         pro_epilogue_adjust_stack, ix86_expand_epilogue,
2835         ix86_address_cost, legitimate_address_p, legitimize_pic_address,
2836         legitimize_tls_address, output_pic_addr_const,
2837         i386_output_dwarf_dtprel, put_condition_code, print_reg,
2838         get_some_local_dynamic_name, print_operand, print_operand_address,
2839         output_387_binary_op, emit_i387_cw_initialization,
2840         output_fix_trunc, output_fp_compare, ix86_output_addr_vec_elt,
2841         ix86_expand_clear, ix86_expand_binary_operator,
2842         ix86_expand_unary_operator, ix86_match_ccmode, ix86_cc_mode,
2843         ix86_cc_modes_compatible, ix86_fp_comparison_codes,
2844         ix86_fp_comparison_arithmetics_cost, ix86_expand_fp_compare,
2845         ix86_expand_branch, ix86_expand_setcc,
2846         ix86_expand_carry_flag_compare, ix86_expand_fp_movcc,
2847         ix86_expand_int_addcc, ix86_split_to_parts, ix86_split_long_move,
2848         ix86_expand_movmem, ix86_expand_call, assign_386_stack_local,
2849         memory_address_length, ix86_attr_length_immediate_default,
2850         ix86_attr_length_address_default, ix86_agi_dependant,
2851         x86_initialize_trampoline, ix86_init_mmx_sse_builtins,
2852         ix86_expand_binop_builtin, ix86_force_to_memory,
2853         ix86_secondary_memory_needed, ix86_avoid_jump_misspredicts,
2854         x86_emit_floatuns): Likewise.
2855         * config/i386/netware.c (gen_regparm_prefix,
2856         i386_nlm_strip_name_encoding): Likewise.
2857         * config/i386/winnt.c (i386_pe_mark_dllexport): Likewise.
2858
2859 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
2860
2861         * optabs.c (gen_condiational_trap): Remove #define.
2862         (add_equal_note): Assertify. Remove explicit indirection from
2863         call via function pointer.
2864         (expand_ternary_op, expand_simple_binop, expand_binop,
2865         expand_twoval_unop, expand_twoval_binop,
2866         expand_twoval_binop_libfunc, expand_simple_unop expand_unop,
2867         emit_unop_insn,  emit_no_conflict_block,  prepare_cmp_insn,
2868         prepare_operand emit_cmp_and_jump_insn_1, emit_cmp_and_jump_insns,
2869         prepare_float_lib_cmp, emit_conditional_move,
2870         emit_conditional_add, gen_add2_insn, gen_add3_insn,
2871         have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn,
2872         expand_float, expand_fix, debug_optab_libfuncs, gen_cond_trap,
2873         vector_compare_rtx, expand_vec_cond_expr): Likewise.
2874
2875 2005-04-21  Nathan Sidwell  <nathan@codesourcery.com>
2876
2877         * vec.h: Update API to separate allocation mechanism from type.
2878         (VEC_safe_grow): New.
2879         * vec.c (calculate_allocation): New.
2880         (vec_gc_o_reserve, vec_heap_o_reserve): Adjust.
2881         (vec_gc_free, vec_heap_free): Remove.
2882         * gengtype-lex.l (DEF_VEC_): Process mult-argument macros.  Adjust.
2883         (VEC): Likewise.
2884         (mangle_macro_name): New.
2885         (struct macro_def): New.
2886         (struct macro): Add multiple argument values.
2887         (macro_expans_end): New.
2888         (push_macro_expansion):  Chain on new macro. Process multiple
2889         args, create follow on expansion. Return follow on argument.
2890         (macro_input): Deal with multiple arguments.
2891         
2892         * tree.h: Define VEC(tree,heap) and VEC(tree,gc).
2893         (struct tree_binfo): Adjust.
2894         * basic-block.h: Define VEC(edge,gc).
2895         (struct edge_def): Adjust.
2896         (struct basic_block_def, struct edge_iterator): Likewise.
2897         (ei_container, ei_start_1, ei_last_1): Likewise.
2898         * cfg.c (connect_src, connect_dest): Likewise.
2899         * cfgrtl.c (force_nonfallthru_and_redirect)
2900         * dbxout.c (dbxout_type)
2901         * dwarf2out.c (gen_member_die)
2902         * lambda-code.c: Define VEC(int,gc), VEC(lambda_loop,gc).
2903         (gcc_tree_to_linear_expression): Adjust.
2904         (gcc_loop_to_lambda_loop, gcc_loopnest_to_lambda_loopnest,
2905         lbv_to_gcc_expression, lle_to_gcc_expression,
2906         lambda_loopnest_to_gcc_loopnest, can_convert_to_perfect_nest,
2907         perfect_nestify): Likewise.
2908         * lambda.h (gcc_loopnest_to_lambda_loopnest,
2909         lambda_loopnest_to_gcc_loopnest): Adjust prototypes.
2910         * profile.c (instrument_values): Adjust.
2911         * tree-cfg.c (modified_noreturn_calls): Adjust.
2912         (remove_fallthru_edge): Likewise.
2913         * tree-dump.c (dequeue_and_dump): Adjust.
2914         * tree-flow-inline.h (mark_stmt_modified): Adjust.
2915         * tree-flow.h (modified_noreturn_calls): Adjust.
2916         (tree_on_heap): Remove. (yay!)
2917         (register_new_def): Adjust.
2918         * tree-into-ssa.c: Define VEC(int,heap).
2919         (block_defs_stack): Adjust.
2920         (find_idf, insert_phi_nodes, register_new_def,
2921         rewrite_initialize_block, rewrite_finalize_block,
2922         register_new_update_single, rewrite_update_init_block,
2923         rewrite_update_fini_block, rewrite_blocks,
2924         ssa_rewrite_finalize_block, ssa_register_new_def,
2925         ssa_rewrite_initialize_block, rewrite_ssa_into_ssa): Likewise.
2926         * tree-loop-linear.c (linear_transform_loops): Adjust.
2927         * tree-ssa-alias.c: Define VEC(fieldoff_t,heap).
2928         (push_fields_onto_fieldstack, create_overlap_variables_for): Adjust.
2929         * tree-ssa-dom.c (avail_exprs_stack, block_defs_stack,
2930         stmts_to_rescan, const_and_copies_stack, nonzero_vars_stack,
2931         vrp_variables_stack): Adjust declarations.
2932         (tree_ssa_dominator_optimize): Adjust.
2933         (dom_opt_initialize_block, remove_local_expressions_from_table,
2934         restore_nonzero_vars_to_original_value,
2935         restore_vars_to_original_value,
2936         restore_currdefs_to_original_value, dom_opt_finalize_block,
2937         record_var_is_nonzero, record_cond, record_const_or_copy_1,
2938         optimize_stmt, update_rhs_and_lookup_avail_expr,
2939         lookup_avail_expr, record_range): Likewise.
2940         * tree-ssa-pre.c: Define VEC(basic_block,heap).
2941         (compute_antic_aux): Adjust.
2942         (inserted_exprs, create_expression_by_pieces, 
2943         insert_into_preds_of_block, eliminate, mark_operand_necessary, 
2944         remove_dead_inserted_code, fini_pre): Likewise.
2945         * tree-ssa-propagate.c (interesting_ssa_edges): Adjust.
2946         (varying_ssa_edges, add_ssa_edge, process_ssa_edge_worklist. 
2947         ssa_prop_init): Likewise.
2948         * tree-ssa.c: Define VEC(bitmap,heap).
2949         (verify_name_tags): Adjust.
2950         * value-prof.c (rtl_divmod_values_to_profile): Adjust.
2951         (insn_prefetch_values_to_profile, rtl_find_values_to_profile,
2952         tree_divmod_values_to_profile, tree_find_values_to_profile,
2953         value_profile_transformations): Likewise.
2954         * value-prof.h: Define VEC(histogram_value,heap).
2955         * varasm.c: Remove alias_pair pointer typedef, define
2956         VEC(alias_pair,gc).
2957         (finish_aliases_1, finish_aliases_2, assemble_alias): Adjust.
2958         
2959         * config/pa/pa.c (typedef extern_symbol): Typedef the structure,
2960         not a pointer to it.  Create an object vector.
2961         (extern_symbols): Turn into an object vector.
2962         (pa_hpux_asm_output_external, pa_hpux_file_end): Adjust.
2963
2964 2005-04-21  Sebastian Pop  <pop@cri.ensmp.fr>
2965
2966         PR/20742
2967         * Makefile.in (tree-chrec.o): Depend on params.h.
2968         * params.def (PARAM_SCEV_MAX_EXPR_SIZE): New parameter with
2969         default value 20.
2970         * tree-chrec.c: Depend on params.h.  Replace build with buildN,
2971         and fold build with fold_buildN.
2972         (chrec_fold_plus_1): Fail with a chrec_don_know when the size of
2973         the expression exceeds PARAM_SCEV_MAX_EXPR_SIZE.
2974         (tree_contains_chrecs): Compute an estimation of the size of the
2975         given expression.
2976         * tree-chrec.h (tree_contains_chrecs): Modify its declaration.
2977         (tree_does_not_contain_chrecs): Update the use of tree_contains_chrecs.
2978         * tree-scalar-evolution.c (simple_iv): Ditto.
2979         * doc/invoke.texi (scev-max-expr-size): Documented.
2980
2981 2005-04-21  Richard Sandiford  <rsandifo@redhat.com>
2982
2983         * config.gcc (*-*-darwin*): Add darwin.opt to $extra_options.
2984         (i[34567]86-pc-msdosdjgpp*): Likewise i386/djgpp.opt.
2985         (i[34567]86-*-lynxos*, powerpc-*-lynxos*): Likewise lynx.opt.
2986         (i[34567]86-*-sco3.2v5*): Likewise i386/sco5.opt.
2987         (i[34567]86-*-pe, i[34567]86-*-cygwin*, i[34567]86-*-mingw32*)
2988         (i[34567]86-*-uwin*): Likewise i386/cygming.opt.
2989         * config/darwin.h (darwin_one_byte_bool, darwin_fix_and_continue)
2990         (darwin_fix_and_continue_switch, SUBTARGET_OPTIONS): Delete.
2991         * config/darwin.c (darwin_one_byte_bool, darwin_fix_and_continue)
2992         (darwin_fix_and_continue_switch): Delete.
2993         * config/lynx.h (SUBTARGET_OS_LYNX_SWITCHES): Delete.
2994         (SUBTARGET_SWITCHES): Delete.
2995         * config/i386/i386.h (target_flags, MASK_80387, MASK_RTD)
2996         (MASK_ALIGN_DOUBLE, MASK_SVR3_SHLIB, MASK_IEEE_FP, MASK_FLOAT_RETURNS)
2997         (MASK_NO_FANCY_MATH_387, MASK_OMIT_LEAF_FRAME_POINTER)
2998         (MASK_STACK_PROBE, MASK_NO_ALIGN_STROPS, MASK_INLINE_ALL_STROPS)
2999         (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS, MASK_MMX)
3000         (MASK_SSE, MASK_SSE2, MASK_SSE3, MASK_3DNOW, MASK_3DNOW_A)
3001         (MASK_128BIT_LONG_DOUBLE, MASK_64BIT, MASK_MS_BITFIELD_LAYOUT)
3002         (MASK_TLS_DIRECT_SEG_REFS, MASK_NO_RED_ZONE, TARGET_80387)
3003         (TARGET_RTD, TARGET_ALIGN_DOUBLE, TARGET_PUSH_ARGS)
3004         (TARGET_ACCUMULATE_OUTGOING_ARGS, TARGET_SVR3_SHLIB, TARGET_IEEE_FP)
3005         (TARGET_128BIT_LONG_DOUBLE, TARGET_NO_FANCY_MATH_387)
3006         (TARGET_USE_FANCY_MATH_387, TARGET_OMIT_LEAF_FRAME_POINTER)
3007         (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Delete.
3008         (TARGET_FLOAT_RETURNS_IN_80387): Make an alias of TARGET_FLOAT_RETURNS.
3009         (TARGET_64BIT): Undef before redefining.
3010         (TARGET_TLS_DIRECT_SEG_REFS, TARGET_STACK_PROBE)
3011         (TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS, TARGET_SSE)
3012         (TARGET_SSE2, TARGET_SSE3, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A)
3013         (TARGET_RED_ZONE, TARGET_USE_MS_BITFIELD_LAYOUT, TARGET_SWITCHES)
3014         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS)
3015         (ix86_fpmath_string, ix86_tls_dialect_string, ix86_cmodel_string)
3016         (ix86_asm_string, ix86_regparm, ix86_regparm_string)
3017         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
3018         (ix86_debug_arg_string, ix86_debug_addr_string)
3019         (ix86_align_loops_string, ix86_align_jumps_string)
3020         (ix86_align_funcs_string): Delete.
3021         * config/i386/cygming.h (MASK_NOP_FUN_DLLIMPORT)
3022         (TARGET_NOP_FUN_DLLIMPORT, SUBTARGET_SWITCHES): Delete.
3023         * config/i386/djgpp.h (MASK_BNU210, SUBTARGET_SWITCHES): Delete.
3024         (SUBTARGET_OVERRIDE_OPTIONS): Check TARGET_BNU210.
3025         * config/i386/lynx.h (SUBTARGET_SWITCHES): Delete.
3026         * config/i386/sco5.h (MASK_COFF, TARGET_ELF)
3027         (SUBTARGET_SWITCHES): Delete.
3028         * config/i386/i386.c (ix86_debug_arg_string): Delete.
3029         (ix86_debug_addr_string): Delete.
3030         (ix86_cmodel_string, ix86_asm_string, ix86_tls_dialect_string)
3031         (ix86_fpmath_string, ix86_regparm_string, ix86_regparm)
3032         (ix86_align_loops_string, ix86_align_jumps_string)
3033         (ix86_preferred_stack_boundary_string, ix86_branch_cost_string)
3034         (ix86_align_funcs_string): Make static.
3035         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
3036         (ix86_handle_option): New function.
3037         (TARGET_USE_MS_BITFIELD_LAYOUT): Delete.
3038         (ix86_ms_bitfield_layout_p): Check TARGET_MS_BITFIELD_LAYOUT.
3039         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove handling
3040         of darwin_fix_and_continue_switch.
3041         (darwin_one_byte_bool): Delete.
3042         * config/rs6000/lynx.h (EXTRA_SUBTARGET_SWITCHES): Delete.
3043         * config/rs6000/rs6000.c (rs6000_override_options): Update assignment
3044         to darwin_one_byte_bool.
3045         * config/darwin.opt, config/lynx.opt, config/i386/cygming.opt,
3046         * config/i386/djgpp.opt, config/i386/i386.opt,
3047         * config/i386/sco5.opt: New files.
3048
3049 2005-04-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
3050
3051         * config/sparc/sparc.c (reg_or_0_operand, const1_operand,
3052         fp_zero_operand, fp_register_operand, intreg_operand,
3053         fcc_reg_operand, fcc0_reg_operand, icc_or_fcc_reg_operand,
3054         call_operand, call_operand_address, tgd_symbolic_operand,
3055         tld_symbolic_operand, tie_symbolic_operand, tle_symbolic_operand,
3056         symbolic_operand, symbolic_memory_operand, label_ref_operand,
3057         sp64_medium_pic_operand, data_segment_operand,
3058         text_segment_operand, splittable_symbolic_memory_operand,
3059         reg_or_nonsymb_mem_operand, splittable_immediate_memory_operand,
3060         eq_or_neq, normal_comp_operator, noov_compare_op,
3061         noov_compare64_op, v9_regcmp_op, extend_op, cc_arithop,
3062         cc_arithopn, arith_operand, arith_4096_operand, arith_add_operand,
3063         const64_operand, const64_high_operand, arith11_operand,
3064         arith10_operand, arith_double_operand, arith_double_4096_operand,
3065         arith_double_add_operand, arith11_double_operand,
3066         arith10_double_operand, small_int, small_int_or_double,
3067         uns_small_int, uns_arith_operand, clobbered_register,
3068         input_operand, compare_operand): Delete.
3069         (sparc_emit_set_const32): Use predicates in assertion.  Remove special
3070         code for TARGET_ARCH64 && HOST_BITS_PER_WIDE_INT != 64.
3071         (sparc_emit_set_const64): Call gcc_unreachable if H_B_P_W_I == 32.
3072         (GEN_HIGHINT64, GEN_INT64): Delete.
3073         (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
3074         gen_safe_XOR64): Adjust for above deletion.
3075         (sparc_emit_set_const64): Support only H_B_P_W_I == 64 and CONST_INTs.
3076         Use 'unsigned HOST_WIDE_INT' instead of 'long' for bitmask.
3077         (legitimate_constant_p): Use const_zero_operand instead.
3078         (sparc_extra_constraint_check): Likewise.
3079         * config/sparc/sparc.h (CONST_DOUBLE_OK_FOR_LETTER_P): Remove 'O'.
3080         (PREFERRED_RELOAD_CLASS): Use const_zero_operand.
3081         (PREDICATE_CODES): Delete.
3082         * config/sparc/sparc.md: Include predicates.md.
3083         (All patterns): Adjust for new predicate names.
3084         (cmpdi, cmpdi_sp64): Use arith_operand predicate.
3085         (movhi_const64_special, movsi_const64_special): Add 'K' constraint.
3086         (movdi): Use general_operand predicate.
3087         (movdi_sp64_dbl): Delete.
3088         (movdi_const64_special): Add 'N' constraint.
3089         (movdicc): Use arith10_operand predicate.
3090         (movdi_cc_sp64, movdi_cc_sp64_trunc): Use arith11_operand predicate.
3091         (movdi_cc_reg_sp64): Use arith10_operand predicate.
3092         (movdi_cc_reg_sp64_trunc): Delete.
3093         (cmp_zero_extract, cmp_zero_extract_sp64): Use small_int_operand.
3094         (adddi3_sp64, cmp_ccx_plus, cmp_ccx_plus_set): Use arith_operand.
3095         (subdi3_sp32): Delete.
3096         (subdi3_insn_sp32): Change to define_insn_and_split.
3097         (subdi3_sp64, cmp_minus_ccx, cmp_minus_ccx_set): Use arith_operand.
3098         (muldi3, muldi3_sp64, muldi3_v8plus): Likewise.
3099         (smulsi3_highpart_v8plus, const_smulsi3_highpart_v8plus,
3100         umulsi3_highpart_v8plus, const_umulsi3_highpart_v8plus): Use
3101         small_int_operand predicate.
3102         (divdi3, udivdi3): Use arith_operand predicate.
3103         (udivsi3, udivsi3_sp32, udivsi3_sp64): Use nonimmediate_operand.
3104         (and<V64I>3_sp64, ior<V64I>3_sp64, xor<V64I:mode>3_sp64,
3105         xor_not_<V64I:mode>_sp64) : Use arith_operand predicate.
3106         (xordi3_sp64_dbl): Delete.
3107         (cmp_ccx_arith_op, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
3108         cmp_ccx_xor_not_set, cmp_ccx_arith_op_not, cmp_ccx_arith_op_not_set,
3109         cmp_ccx_neg, cmp_ccx_set_neg, one_cmpl<V64I>2_sp64, cmp_ccx_not,
3110         cmp_ccx_set_not): Use arith_operand predicate.
3111         (ashrsi3_extend2, lshrsi3_extend2 et al.): Use small_int_operand.
3112         * config/sparc/predicates.md: New file.
3113
3114 2005-04-21  Kazu Hirata  <kazu@cs.umass.edu>
3115
3116         PR tree-optimization/14846
3117         * fold-const.c (fold_single_bit_test_into_sign_test): New,
3118         split out from ...
3119         (fold_single_bit_test): ... here.
3120         (fold_binary): Call fold_single_bit_test_into_sign_test
3121         instead of fold_single_bit_test.
3122
3123 2005-04-20  James E Wilson  <wilson@specifixinc.com>
3124
3125         PR c++/20805
3126         * dwarf2out.c (gen_variable_die): Don't emit a specification if this
3127         is another declaration.
3128
3129 2005-04-21  Hans-Peter Nilsson  <hp@axis.com>
3130
3131         * config/cris/predicates.md: New file.
3132         * config/cris/cris-protos.h (cris_store_multiple_op_p)
3133         (cris_movem_load_rest_p): Declare.
3134         * config/cris/cris.c (cris_store_multiple_op): Return bool, not int.
3135         (cris_movem_load_rest_p): Ditto.  Globalize.
3136         (cris_bdap_operand, cris_bdap_biap_operand,
3137         cris_orthogonal_operator, cris_commutative_orth_op,
3138         cris_operand_extend_operator,
3139         cris_additive_operand_extend_operator, cris_extend_operator,
3140         cris_plus_or_bound_operator, cris_mem_op,
3141         cris_general_operand_or_symbol,
3142         cris_general_operand_or_gotless_symbol,
3143         cris_general_operand_or_plt_symbol, cris_mem_call_operand,
3144         cris_load_multiple_op): Remove predicate functions.
3145         (cris_symbol, cris_gotless_symbol) <case UNSPEC>: Return 0, don't
3146         abort, for UNSPECs other than CRIS_UNSPEC_PLT.
3147         * config/cris/cris.h (PREDICATE_CODES): Don't define.
3148         * config/cris/cris.md: Include predicates.md.
3149         ("call", "call_value"): Generate CONSTs of Pmode, not VOIDmode.
3150
3151 2005-04-20  Ian Lance Taylor  <ian@airs.com>
3152
3153         * c-common.def: Remove STMT_EXPR (moved to cp/cp-tree.def).
3154         * c-common.h (STMT_EXPR_STMT): Don't define.
3155         (STMT_EXPR_NO_SCOPE): Don't define.
3156         * c-dump.c (c_dump_tree): Don't handle STMT_EXPR.
3157         * c-pretty-print.c (pp_c_primary_expression): Likewise.
3158         (pp_c_expression): Likewise.
3159
3160 2005-04-20  Richard Henderson  <rth@redhat.com>
3161
3162         PR target/21100
3163         * config/i386/mmx.md (push<MMXMODE>1): Fix predicate thinko.
3164
3165 2005-04-20  Jeff Law  <law@redhat.com>
3166
3167         * reload1.c (reload): Ignore equivalences between pseudos and
3168         read only memory.
3169
3170 2005-04-20  Joseph S. Myers  <joseph@codesourcery.com>
3171
3172         PR c/12913
3173         * c-tree.h (struct c_label_list): Update comment.
3174         (struct c_label_context): Rename to struct c_label_context_se.
3175         (label_context_stack): Rename to label_context_stack_se.
3176         (C_DECL_UNJUMPABLE_VM, C_DECL_UNDEFINABLE_VM, struct
3177         c_label_context_vm, label_context_stack_vm, c_begin_vm_scope,
3178         c_end_vm_scope): New.
3179         (C_DECL_DECLARED_BUILTIN, C_DECL_USED): Use FUNCTION_DECL_CHECK.
3180         * c-decl.c (pop_scope): Call c_end_vm_scope.
3181         (pushdecl): Call c_begin_vm_scope for variably modified
3182         declarations.
3183         (define_label): Check for jumping into scope of identifier with
3184         variably modified type.  Push label on stack for those defined at
3185         current context of identifiers with variably modified type.
3186         (start_function): Create stack level for context of identifiers
3187         with variably modified type.
3188         (finish_function): Pop stack level for context of identifiers with
3189         variably modified type.
3190         * c-typeck.c (label_context_stack): Rename to
3191         label_context_stack_se.
3192         (label_context_stack_vm, c_begin_vm_scope, c_end_vm_scope): New.
3193         (c_finish_goto_label): Check for jumping into scope of identifier
3194         with variably modified type.  Push label on stack for those jumped
3195         to from current context of identifiers with variably modified
3196         type.
3197         (struct c_switch): Add blocked_vm.
3198         (c_start_case): Initialize blocked_vm.
3199         (do_case): Check blocked_vm.
3200         (c_finish_case): Add comment.
3201         (c_begin_stmt_expr, c_finish_stmt_expr): Update for renamed
3202         variable label_context_stack.
3203
3204 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
3205
3206         * tree-ssa-phiopt.c (tree_ssa_phi_opt): Update calls to
3207         conditional_replacement, value_replacement, abs_replacement,
3208         minmax_replacement.
3209         (replace_phi_edge_with_variable): Remove argument BB.
3210         (conditional_replacement, value_replacement,
3211         minmax_replacement, abs_replacement): Remove argument PHI_BB.
3212         Update a call to replace_phi_edge_with_variable.
3213
3214         * tree-ssa-phiopt.c: Fix comments.
3215
3216 2005-04-20  Michael Matz  <matz@suse.de>
3217
3218         PR20973
3219         * reload.c (push_reload, find_dummy_reload): Check for uninitialized
3220         pseudos.
3221
3222 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
3223
3224         * tree-ssa-phiopt.c: Fix comment typos.
3225
3226         PR tree-optimization/21116
3227         * tree-ssa-phiopt.c: Fix a typo.
3228
3229 2005-04-19  Richard Henderson  <rth@redhat.com>
3230
3231         * builtins.c (expand_builtin_sync_operation): Revert last change.
3232         * optabs.c (expand_bool_compare_and_swap): Compare vs old value,
3233         not vs new value.
3234         (expand_compare_and_swap_loop): Likewise.
3235         (expand_sync_operation): Remove fallback from NAND to AND; invert
3236         memory operand when expanding from cmpxchg.
3237         (expand_sync_fetch_operation): Likewise.
3238         * doc/extend.texi (Atomic Builtins): Fix docs for nand and
3239         compare-and-swap.
3240
3241         * config/alpha/alpha.c (alpha_split_atomic_op): Invert memory operand
3242         when implementing NAND.  Fix double-add for AFTER.
3243         * config/alpha/sync.md (sync_nand<I48MODE>): Invert memory operand.
3244         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
3245         (sync_compare_and_swap<I48MODE>): Fix compare vs zero.  Return old
3246         memory value.
3247         (sync_lock_test_and_set<I48MODE>): Remove extra label and last
3248         memory barrier.
3249
3250         * config/i386/sync.md (sync_compare_and_swap<IMODE>): Fix pattern
3251         to return old memory value.
3252         (sync_compare_and_swap_cc<IMODE>): Likewise.
3253
3254         * config/ia64/ia64.c (ia64_dependencies_evaluation_hook): Early
3255         return pre-reload.  Don't consider output or anti dependencies.
3256         * config/ia64/sync.md (IMODE): New.
3257         (modesuffix): Add QI and HI.
3258         (memory_barrier): Simplify expansion.
3259         (sync_compare_and_swap<IMODE>): Use IMODE, not I48MODE.
3260         (cmpxchg_acq_<IMODE>): Likewise.
3261         (sync_lock_test_and_set<IMODE>): Likewise.
3262         (sync_lock_release<IMODE>): Likewise.
3263
3264 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
3265
3266         * fold-const.c (fold_binary): Fold ~(X ^ Y) to ~X ^ Y or X ^ ~Y if
3267         ~X or ~Y simplify.
3268
3269 2005-04-19  James A. Morrison  <phython@gcc.gnu.org>
3270
3271         * fold-const (fold_binary):  Fold ~X ^ ~ Y to X ^ Y.
3272
3273 2005-04-20  Michael Pogue  <michael.pogue@sun.com>
3274             Joseph S. Myers  <joseph@codesourcery.com>
3275
3276         * c.opt (Wint-to-pointer-cast, Wpointer-to-int-cast): New options.
3277         * c-typeck.c (build_c_cast): Check these options.
3278         * doc/invoke.texi: Document these options.
3279
3280 2005-04-20  Kazu Hirata  <kazu@cs.umass.edu>
3281
3282         * tree-ssa-phiopt.c: Update a comment about the pass.
3283
3284 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
3285
3286         * tree-ssa-phiopt.c, config/arm/arm.c, config/fr30/fr30.md,
3287         config/mcore/mcore.c: Fix comment typos.
3288
3289 2005-04-19  Daniel Jacobowitz  <dan@codesourcery.com>
3290
3291         * Makefile.in (libgcc.mk): Pass GCC_FOR_TARGET.
3292         * mklibgcc.in: Use $GCC_FOR_TARGET instead of ./xgcc.
3293
3294 2005-04-19  Paul Brook  <paul@codesourcery.com>
3295
3296         * config/arm/arm.c (arm_init_libfuncs): Clear mod optabs. 
3297
3298 2005-04-19  Andrew Haley  <aph@redhat.com>
3299
3300         PR java/21022
3301         * dbxout.c (dbxout_type_fields): Check DECL_IGNORED_P before
3302         looking at a field's bitpos.
3303
3304 2005-04-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3305
3306         * system.h (fopen, fdopen, freopen): Define these to the unlocked
3307         libiberty functions.
3308
3309 2005-04-19  Kazu Hirata  <kazu@cs.umass.edu>
3310
3311         PR tree-optimization/21096
3312         * tree-ssa-copy.c (fini_copy_prop): Free cached_last_copy_of.
3313
3314 2005-04-19  Alan Modra  <amodra@bigpond.net.au>
3315
3316         PR target/21098
3317         * config/rs6000/rs6000.c (rs6000_elf_end_indicate_exec_stack): New.
3318         * config/rs6000/linux64.h (TARGET_ASM_FILE_END): Use the above.
3319
3320 2005-04-19  Alexandre Oliva  <aoliva@redhat.com>
3321
3322         * tree-cfg.c (dump_function_to_file): Use cfun info only if it
3323         refers to the function being dumped.
3324
3325 2005-04-18  Daniel Jacobowitz  <dan@codesourcery.com>
3326
3327         * varasm.c (assemble_start_function): Remove reset of in_section.
3328
3329 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
3330
3331         PR tree-optimization/21085
3332         * fold-const (fold_binary): Don't change X % -C to X % C if C has
3333         overflowed.
3334
3335 2005-04-19  Ben Elliston  <bje@au.ibm.com>
3336
3337         * doc/invoke.texi (Optimize Options): Refer to the correct
3338         optimisation flag -ftree-dominator-opts, not -ftree-dom.
3339
3340 2005-04-18  Christopher Jaillet <christophe.jaillet@wanadoo.fr>
3341
3342         * config/rs6000/rs6000.c (machopic_output_stub):  Increase
3343         alloca argument to be big enough.
3344
3345 2005-04-18  Alexandre Oliva  <aoliva@redhat.com>
3346
3347         PR middle-end/21049
3348         * tree-cfg.c (dump_function_to_file): Do not crash if cfun or
3349         cfun->cfg are NULL.
3350
3351 2005-04-18  Tom Tromey  <tromey@redhat.com>
3352
3353         * cgraphunit.c (cgraph_finalize_compilation_unit): Fix a comment
3354         typo.
3355
3356 2005-04-18  Richard Henderson  <rth@redhat.com>
3357
3358         * config/alpha/alpha.c (alpha_split_atomic_op): New.
3359         (alphaev5_insn_pipe): Add LD_L, ST_C, MB types.
3360         (alphaev4_insn_pipe): Likewise.  Correct IST and LDSYM pipes.
3361         * config/alpha/alpha-protos.h: Update.
3362         * config/alpha/alpha.md (UNSPECV_MB, UNSPECV_LL, UNSPECV_SC): New.
3363         (UNSPECV_ATOMIC, UNSPECV_CMPXCHG, UNSPECV_XCHG): New.
3364         (attr type): Add ld_l, st_c, mb.
3365         (andsi_internal, andnotsi3, iorsi_internal, one_cmplsi_internal,
3366         iornotsi3, xorsi_internal, xornotsi3): New.
3367         * config/alpha/ev4.md (ev4_ld): Add ld_l.
3368         (ev4_ist_c, ev4_mb): New.
3369         * config/alpha/ev5.md (ev5_st): Add st_c, mb.
3370         (ev5_ld_l): New.
3371         * config/alpha/ev6.md (ev6_ild): Add ld_l.
3372         (ev6_ist): Add st_c.
3373         (ev6_mb): New.
3374         * config/alpha/sync.md: New file.
3375
3376 2005-04-18  Richard Henderson  <rth@redhat.com>
3377
3378         * builtins.c (expand_builtin_sync_operation): Fold nand to and
3379         for constants.
3380
3381         * optabs.c (expand_sync_operation): Fix typo expanding nand to and.
3382
3383 2005-04-18  Devang Patel  <dpatel@apple.com>
3384
3385         * config/rs6000/atlivec.md (mulv4si3): New pattern.
3386         
3387 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
3388
3389         PR tree-optimization/20922
3390         * fold-const.c (fold_binary): Fold X - c > X and X + c < X to false.
3391         Fold X + c >= X and fold X - c <= X to true.
3392
3393 2005-04-18  James A. Morrison  <phython@gcc.gnu.org>
3394
3395         * config/ia64/unwind-ia64.c (emergency_reg_state_free): Make an
3396         unsigned int.
3397         (emergency_labeled_state_free): Likewise.
3398
3399 2005-04-18  Nick Clifton  <nickc@redhat.com>
3400
3401         * config/h8300/h8300.md (jump): Remove prescan parameter from
3402         calls to final_scan_insn.
3403
3404         * config/arc/arc.c (arc_output_function_epilogue): Remove prescan
3405         parameter from calls to final_scan_insn.
3406
3407         * config.gcc (m68hc12): Use the m68hc11.opt file for target
3408         specific options.
3409         (v850e, v850e1): Use the v850.opt file for target specific
3410         options.
3411
3412 2005-04-18  Kazu Hirata  <kazu@cs.umass.edu>
3413
3414         PR tree-optimization/21001
3415         * tree-optimize.c (init_tree_optimization_passes): Move the
3416         first pass_forwprop immediately before pass_vrp.
3417
3418 2005-04-17  Ian Lance Taylor  <ian@airs.com>
3419
3420         * c-common.def (SIZEOF_EXPR, ARROW_EXPR, ALIGNOF_EXPR): Remove.
3421         * c-common.c (c_sizeof_or_alignof_type): Change second parameter
3422         from enum tree_code op to bool is_sizeof.
3423         * c-common.h (c_sizeof_or_alignof_type): Update declaration.
3424         (c_sizeof, c_alignof): Update calls to c_sizeof_or_alignof_type.
3425         * c-pretty-print.c (pp_c_postfix_expression): Remove ARROW_EXPR
3426         case.
3427         (pp_c_unary_expression): Remove SIZEOF_EXPR and ALIGNOF_EXPR
3428         cases.
3429         (pp_c_expression): Remove ARROW_EXPR, SIZEOF_EXPR, and
3430         ALIGNOF_EXPR cases.
3431
3432 2005-04-17  Ian Lance Taylor  <ian@airs.com>
3433
3434         * system.h: Poison DONT_ACCESS_GBLS_AFTER_EPILOGUE.
3435
3436 2005-04-17  Richard Henderson  <rth@redhat.com>
3437
3438         * config/alpha/alpha.c (va_list_skip_additions): Only define if
3439         TARGET_ABI_OSF.
3440         (TARGET_STDARG_OPTIMIZE_HOOK): Likewise.
3441         (alpha_stdarg_optimize_hook): Likewise.  Allow for one more round
3442         of indirection through ssa names while looking for the gpr counter
3443         field.
3444         (alpha_setup_incoming_varargs) <TARGET_ABI_OSF>: Make use of the
3445         saved va_list_gpr_size and va_list_fpr_size.
3446
3447 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
3448
3449         * tree-vrp.c (compare_values): Check that VAL1 and VAL2 are
3450         both pointers or both integers.
3451
3452         * tree-vrp.c (maybe_add_assert_expr): Don't assert
3453         ASSERT_EXPRs for single-use variable.
3454
3455         * tree-into-ssa.c: Fix a comment typo.
3456
3457 2005-04-17  Richard Sandiford  <rsandifo@redhat.com>
3458
3459         * config/mips/iris6.h (DRIVER_SELF_SPECS): Check -march as well as
3460         -mipsN before forcing a default of -mips2.
3461
3462 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
3463
3464         * predict.h (IS_TAKEN): Remove.
3465         * rtl.h (NOTE_PREDICTION): Likewise.
3466
3467         * modulo-sched.c (CFG_HOOKS): Remove.
3468
3469         * c-parser.c (N_C_TTYPES): Remove.
3470
3471         * tree-flow-inline.h (get_stmt_operands): Remove.
3472         * lambda-code.c, tree-ssa-loop-unswitch.c,
3473         tree-ssa-operands.c, tree-ssa-pre.c, tree-ssa-propagate.c,
3474         tree-ssa-sink.c, tree-ssa.c, tree-tailcall.c,
3475         tree-vect-transform.c, tree-vectorizer.c, tree-vrp.c): Remove
3476         calls to get_stmt_operands.
3477         * doc/tree-ssa.texi: Don't mention get_stmt_operands.
3478
3479 2005-04-17  Richard Henderson  <rth@redhat.com>
3480
3481         PR target/20375
3482         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Advance a copy
3483         of CUMULATIVE_ARGS past the last named argument.
3484         (alpha_va_start): Expect pretend_args_size only if strictly less than
3485         6 named arguments.
3486
3487 2005-04-17  Kazu Hirata  <kazu@cs.umass.edu>
3488
3489         PR middle-end/21024
3490         * builtins.c (expand_builtin_strcat): Convert the result of
3491         strlen to the right type.
3492         * fold-const.c (fold_binary) <PLUS_EXPR>: Use fold_convert to
3493         avoid creating type mismatches.
3494         <GE_EXPR>: Pass op0 and op1 to fold_build2 to avoid creating
3495         type mismatches.
3496
3497         * c-lex.c (WCHAR_TYPE_SIZE, WCHAR_BYTES): Remove.
3498
3499 2005-04-16  Richard Henderson  <rth@redhat.com>
3500
3501         PR target/21051
3502         * builtins.c (expand_builtin) <BUILT_IN_BOOL_COMPARE_AND_SWAP_*>:
3503         Use the mode of boolean_type_node when the user doesn't provide one.
3504         * config/ia64/sync.md (sync_lock_release<I48MODE>): Use operand 1.
3505
3506 2005-04-16  Alexandre Oliva  <aoliva@redhat.com>
3507
3508         PR target/20126
3509         * loop.c (loop_givs_rescan): Handle non-replaceable (plus (reg)
3510         (const)).
3511
3512         * tree-scalar-evolution.c (interpret_rhs_modify_expr): Fix typo in
3513         comment.
3514
3515 2005-04-16  Roger Sayle  <roger@eyesopen.com>
3516             Steven Bosscher  <stevenb@suse.de>
3517
3518         * fold-const.c (fold_binary_to_constant): Delete obsolete comment.
3519         (fold_unary_to_constant): Likewise.
3520
3521 2005-04-16  Kazu Hirata  <kazu@cs.umass.edu>
3522
3523         * basic-block.h: Adjust the value of PROP_SCAN_DEAD_STORES,
3524         PROP_ASM_SCAN.
3525
3526 2005-04-16  Gerald Pfeifer  <gerald@pfeifer.com>
3527
3528         * doc/install.texi (Specific): Avoid using asterisks in @anchor
3529         names related to target triplets.
3530         Remove i?86-*-esix from platform directory.
3531         Remove powerpc-*-eabiaix from platform directory.
3532
3533 2005-04-16  Joseph S. Myers  <joseph@codesourcery.com>
3534
3535         PR middle-end/20491
3536         * config/ia64/ia64.c (rtx_needs_barrier): Recurse instead of
3537         falling through from SUBREG case to REG.
3538
3539 2005-04-15  Roger Sayle  <roger@eyesopen.com>
3540
3541         * fold-const.c (fold_relational_hi_lo): Delete function and prototype.
3542         (fold_binary): Update comment mentioning fold_relational_hi_lo.
3543         (fold_binary_to_constant): Simplify using fold_binary.
3544         (fold_unary_to_constant): Likewise, simplify using fold_unary.
3545
3546 2005-04-15  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
3547
3548         * gthr-posix.c (pthread_cancel): Define.
3549         (pthread_mutexattr_init): Likewise.
3550         (pthread_mutexattr_settype): Likewise.
3551         (pthread_mutexattr_destroy): Likewise.
3552
3553 2005-04-15  David S. Miller  <davem@davemloft.net>
3554
3555         PR target/20673
3556         * config/sparc/sparc.h (sparc_hard_reg_printed): Mark as GTY(()).
3557
3558 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
3559
3560         PR tree-optimization/21031
3561         * tree-ssa-forwprop.c (ssa_name_defined_by_comparison_p): New.
3562         (forward_propagate_into_cond_1): Call it.  Forward propagate
3563         integer-integer casts into COND_EXPRs.
3564
3565 2005-04-15  Dave Korn  <dave.korn@artimi.com>
3566
3567         * gcc.c (default_compilers): Clarify obscure error message when
3568         reading from standard input.
3569
3570 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
3571
3572         * basic-block.h (PROP_EQUAL_NOTES): Remove.
3573         * flow.c (propagate_one_insn): Don't use PROP_EQUAL_NOTES.
3574
3575         * tree-ssa-alias.c (init_alias_info): Remove a call to
3576         get_stmt_operands.
3577
3578 2005-04-15  Andrew MacLeod  <amacleod@redhat.com>
3579
3580         * tree-vect-analyze.c (vect_stmt_relevant_p): Process immediate uses
3581         of non-virtual PHI nodes like we use to.
3582
3583 2005-05-15  Paolo Bonzini  <bonzini@gnu.org>
3584
3585         * genattrtab.c (ATTR_EQ_ATTR_P): Remove.
3586         (attr_copy_rtx): Do not use it.
3587
3588 2005-04-15  Andrew Macleod  <amacleod@redhat.com>
3589
3590         * doc/tree-ssa.texi: Grammer/abbreviation updates.
3591
3592 2005-04-15  Diego Novillo  <dnovillo@redhat.com>
3593
3594         * tree-vect-transform.c (vectorizable_store): Mark necessary
3595         objects in the vectorized store needing renaming.  Update the
3596         SSA graph for V_MAY_DEF operands in the original store.
3597
3598 2005-04-14  Daniel Berlin <dberlin@dberlin.org>
3599
3600         * tree-ssa-pre.c (compute_avail): It's okay to have
3601         TREE_INVARIANT's here, and value number the resulting expressions.
3602         (create_expression_by_pieces): Make sure operands that were
3603         min_invariant when we started, stay that way.
3604
3605 2005-04-15  David Edelsohn  <edelsohn@gnu.org>
3606
3607         * doc/install.texi (*-ibm-aix*): Add comment about system limits.
3608
3609 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
3610
3611         PR tree-optimization/20936.
3612         * tree-ssa-ccp.c (visit_assignment): Fix a typo.
3613
3614 2005-04-15  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3615
3616         * doc/invoke.texi: Fix typos.
3617         * doc/md.texi: Likewise.
3618         * doc/rtl.texi: Likewise.
3619         * doc/sourcebuild.texi: Likewise.
3620         * doc/tm.texi: Likewise.
3621
3622 2005-04-15  Uros Bizjak  <uros@kss-loka.si>
3623
3624         PR tree-optimization/21004
3625         * convert.c (convert_to_integer): Convert ceilf, ceill, floorf
3626         and floorl in c99 mode only.
3627         * builtins.c (expand_builtin_int_roundingfn): Assert that
3628         fallback_fndecl is not NULL_TREE.
3629
3630 2005-04-15  Kazu Hirata  <kazu@cs.umass.edu>
3631
3632         * cfgrtl.c (purge_all_dead_edge): Remove an unused argument.
3633         * basic-block.h: Update the prototype for
3634         purge_all_dead_edges.
3635         * cfgexpand.c (tree_expand_cfg): Update a call to
3636         purge_all_dead_edges.
3637         * combine.c (combine_instructions): Likewise.
3638         * passes.c (rest_of_handle_old_regalloc, rest_of_handle_cse,
3639         rest_of_handle_cse2, rest_of_handle_gcse,
3640         rest_of_handle_postreload): likewise.
3641
3642 2005-04-15  Alexandre Oliva  <aoliva@redhat.com>
3643
3644         PR middle-end/20739
3645         * gimplify.c (gimplify_addr_expr): Compensate for removal of
3646         e.g. cv-qualification conversions.
3647
3648 2005-04-14  Mike Stump  <mrs@apple.com>
3649
3650         * config/darwin-c.c (framework_construct_pathname): We must
3651         find all headers of a framework in the first instance of it
3652         found in the seach path.
3653
3654 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
3655
3656         PR tree-optimization/21021
3657         * tree-vrp.c (compare_values): Work around a bug in the front
3658         end that produces a comparison of mismatched types.
3659
3660 2004-04-14  Richard Henderson  <rth@redhat.com>
3661
3662         * config/ia64/ia64.h (enum fetchop_code): Remove.
3663         (enum ia64_builtins): Move ...
3664         * config/ia64/ia64.c (enum ia64_builtins): ... here.  Remove all
3665         members except BSP and FLUSHRS.
3666         (ia64_init_builtins): Remove __sync builtins.
3667         (ia64_expand_builtin): Likewise.
3668         (ia64_expand_fetch_and_op, ia64_expand_op_and_fetch): Remove.
3669         (ia64_expand_compare_and_swap, ia64_expand_lock_test_and_set): Remove.
3670         (ia64_expand_lock_release): Remove.
3671         * config/ia64/ia64.md (mf): Move to sync.md.
3672         (mf_internal, fetchadd_acq_si, fetchadd_acq_di, cmpxchg_acq_si,
3673         cmpxchg_acq_di, xchgsi, xchgdi): Likewise.
3674         * config/ia64/sync.md: New file.
3675         (memory_barrier): Rename from mf.
3676         (fetchadd_acq_<I48MODE>): Macroize from _si/_di patterns.
3677         (cmpxchg_acq_<I48MODE>): Likewise.
3678         (sync_lock_test_and_set<I48MODE>): Likewise.
3679
3680         * config/ia64/ia64intrin.h: Define nothing for C; limit #defines
3681         to c++.  Remove __sync* declarations.  s/_si/_4/.  s/_di/_8/.
3682
3683 2004-04-14  Richard Henderson  <rth@redhat.com>
3684
3685         * config/i386/i386.c (x86_cmpxchg, x86_xadd): New.
3686         (ix86_compare_emitted): New.
3687         (ix86_expand_compare): Use ix86_compare_emitted if set.
3688         (ix86_expand_setcc): Only emit REG_EQUAL if both ix86_compare_op0
3689         and ix86_compare_op0 are set.
3690         * config/i386/i386.h (x86_cmpxchg, x86_xadd): Declare.
3691         (TARGET_CMPXCHG, TARGET_XADD): New.
3692         (ix86_compare_emitted): Declare.
3693         * config/i386/i386.md: Include sync.md
3694         (UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2): New.
3695         (UNSPECV_XCHG, UNSPECV_LOCK): New.
3696         * config/i386/sync.md: New file.
3697
3698 2004-04-14  Richard Henderson  <rth@redhat.com>
3699
3700         PR middle-end/14311
3701         * builtin-types.def (BT_BOOL, BT_VOLATILE_PTR, BT_I1, BT_I2,
3702         BT_I4, BT_I8, BT_FN_VOID_VPTR, BT_FN_I1_VPTR_I1, BT_FN_I2_VPTR_I2,
3703         BT_FN_I4_VPTR_I4, BT_FN_I8_VPTR_I8, BT_FN_BOOL_VPTR_I1_I1,
3704         BT_FN_BOOL_VPTR_I2_I2, BT_FN_BOOL_VPTR_I4_I4, BT_FN_BOOL_VPTR_I8_I8,
3705         BT_FN_I1_VPTR_I1_I1, BT_FN_I2_VPTR_I2_I2, BT_FN_I4_VPTR_I4_I4,
3706         BT_FN_I8_VPTR_I8_I8): New.
3707         * builtins.def (DEF_SYNC_BUILTIN): New.
3708         (BUILT_IN_FETCH_AND_ADD_N, BUILT_IN_FETCH_AND_ADD_1,
3709         BUILT_IN_FETCH_AND_ADD_2, BUILT_IN_FETCH_AND_ADD_4,
3710         BUILT_IN_FETCH_AND_ADD_8, BUILT_IN_FETCH_AND_SUB_N,
3711         BUILT_IN_FETCH_AND_SUB_1, BUILT_IN_FETCH_AND_SUB_2,
3712         BUILT_IN_FETCH_AND_SUB_4, BUILT_IN_FETCH_AND_SUB_8,
3713         BUILT_IN_FETCH_AND_OR_N, BUILT_IN_FETCH_AND_OR_1,
3714         BUILT_IN_FETCH_AND_OR_2, BUILT_IN_FETCH_AND_OR_4,
3715         BUILT_IN_FETCH_AND_OR_8, BUILT_IN_FETCH_AND_AND_N,
3716         BUILT_IN_FETCH_AND_AND_1, BUILT_IN_FETCH_AND_AND_2,
3717         BUILT_IN_FETCH_AND_AND_4, BUILT_IN_FETCH_AND_AND_8,
3718         BUILT_IN_FETCH_AND_XOR_N, BUILT_IN_FETCH_AND_XOR_1,
3719         BUILT_IN_FETCH_AND_XOR_2, BUILT_IN_FETCH_AND_XOR_4,
3720         BUILT_IN_FETCH_AND_XOR_8, BUILT_IN_FETCH_AND_NAND_N,
3721         BUILT_IN_FETCH_AND_NAND_1, BUILT_IN_FETCH_AND_NAND_2,
3722         BUILT_IN_FETCH_AND_NAND_4, BUILT_IN_FETCH_AND_NAND_8,
3723         BUILT_IN_ADD_AND_FETCH_N, BUILT_IN_ADD_AND_FETCH_1,
3724         BUILT_IN_ADD_AND_FETCH_2, BUILT_IN_ADD_AND_FETCH_4,
3725         BUILT_IN_ADD_AND_FETCH_8, BUILT_IN_SUB_AND_FETCH_N,
3726         BUILT_IN_SUB_AND_FETCH_1, BUILT_IN_SUB_AND_FETCH_2,
3727         BUILT_IN_SUB_AND_FETCH_4, BUILT_IN_SUB_AND_FETCH_8,
3728         BUILT_IN_OR_AND_FETCH_N, BUILT_IN_OR_AND_FETCH_1,
3729         BUILT_IN_OR_AND_FETCH_2, BUILT_IN_OR_AND_FETCH_4,
3730         BUILT_IN_OR_AND_FETCH_8, BUILT_IN_AND_AND_FETCH_N,
3731         BUILT_IN_AND_AND_FETCH_1, BUILT_IN_AND_AND_FETCH_2,
3732         BUILT_IN_AND_AND_FETCH_4, BUILT_IN_AND_AND_FETCH_8,
3733         BUILT_IN_XOR_AND_FETCH_N, BUILT_IN_XOR_AND_FETCH_1,
3734         BUILT_IN_XOR_AND_FETCH_2, BUILT_IN_XOR_AND_FETCH_4,
3735         BUILT_IN_XOR_AND_FETCH_8, BUILT_IN_NAND_AND_FETCH_N,
3736         BUILT_IN_NAND_AND_FETCH_1, BUILT_IN_NAND_AND_FETCH_2,
3737         BUILT_IN_NAND_AND_FETCH_4, BUILT_IN_NAND_AND_FETCH_8,
3738         BUILT_IN_BOOL_COMPARE_AND_SWAP_N, BUILT_IN_BOOL_COMPARE_AND_SWAP_1,
3739         BUILT_IN_BOOL_COMPARE_AND_SWAP_2, BUILT_IN_BOOL_COMPARE_AND_SWAP_4,
3740         BUILT_IN_BOOL_COMPARE_AND_SWAP_8, BUILT_IN_VAL_COMPARE_AND_SWAP_N,
3741         BUILT_IN_VAL_COMPARE_AND_SWAP_1, BUILT_IN_VAL_COMPARE_AND_SWAP_2,
3742         BUILT_IN_VAL_COMPARE_AND_SWAP_4, BUILT_IN_VAL_COMPARE_AND_SWAP_8,
3743         BUILT_IN_LOCK_TEST_AND_SET_N, BUILT_IN_LOCK_TEST_AND_SET_1,
3744         BUILT_IN_LOCK_TEST_AND_SET_2, BUILT_IN_LOCK_TEST_AND_SET_4,
3745         BUILT_IN_LOCK_TEST_AND_SET_8, BUILT_IN_LOCK_RELEASE_N,
3746         BUILT_IN_LOCK_RELEASE_1, BUILT_IN_LOCK_RELEASE_2,
3747         BUILT_IN_LOCK_RELEASE_4, BUILT_IN_LOCK_RELEASE_8,
3748         BUILT_IN_SYNCHRONIZE: New.
3749         * builtins.c (called_as_built_in): Rewrite from CALLED_AS_BUILT_IN
3750         as a function.  Accept __sync_ as a prefix as well.
3751         (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
3752         expand_builtin_lock_test_and_set, expand_builtin_synchronize,
3753         expand_builtin_lock_release): New.
3754         (expand_builtin): Call them.
3755         * c-common.c (DEF_BUILTIN): Don't require __builtin_ prefix if
3756         neither BOTH_P nor FALLBACK_P are defined.
3757         (builtin_type_for_size): New.
3758         (sync_resolve_size, sync_resolve_params, sync_resolve_return): New.
3759         (resolve_overloaded_builtin): New.
3760         * c-common.h (resolve_overloaded_builtin): Declare.
3761         (builtin_type_for_size): Declare.
3762         * c-typeck.c (build_function_call): Invoke resolve_overloaded_builtin.
3763         * expr.c (sync_add_optab, sync_sub_optab, sync_ior_optab,
3764         sync_and_optab, sync_xor_optab, sync_nand_optab, sync_old_add_optab,
3765         sync_old_sub_optab, sync_old_ior_optab, sync_old_and_optab,
3766         sync_old_xor_optab, sync_old_nand_optab, sync_new_add_optab,
3767         sync_new_sub_optab, sync_new_ior_optab, sync_new_and_optab,
3768         sync_new_xor_optab, sync_new_nand_optab, sync_compare_and_swap,
3769         sync_compare_and_swap_cc, sync_lock_test_and_set,
3770         sync_lock_release): New.
3771         * optabs.h: Declare them.
3772         * expr.h (expand_val_compare_and_swap, expand_bool_compare_and_swap,
3773         expand_sync_operation, expand_sync_fetch_operation,
3774         expand_sync_lock_test_and_set): Declare.
3775         * genopinit.c (optabs): Add sync optabs.
3776         * optabs.c (init_optabs): Initialize sync optabs.
3777         (expand_val_compare_and_swap_1, expand_val_compare_and_swap,
3778         expand_bool_compare_and_swap, expand_compare_and_swap_loop,
3779         expand_sync_operation, expand_sync_fetch_operation,
3780         expand_sync_lock_test_and_set): New.
3781         * doc/extend.texi (Atomic Builtins): New section
3782         * doc/md.texi (Standard Names): Add sync patterns.
3783
3784 2005-04-14  Alexandre Oliva  <aoliva@redhat.com>
3785
3786         * tree-eh.c (lower_try_finally_copy): Generate new code in
3787         response to goto_queue entries as if the queue was sorted by
3788         index, not pointers.
3789         (lower_try_finally_switch): Likewise.
3790
3791 2005-04-14  Richard Henderson  <rth@redhat.com>
3792
3793         * config/i386/i386.c (ix86_expand_sse_cmp): Split out from ...
3794         (ix86_expand_sse_movcc): ... here.  Take cmp as a pre-computed
3795         register.
3796         (ix86_expand_fp_movcc): Update to match.
3797         (ix86_expand_fp_vcond, ix86_expand_int_vcond): New.
3798         * config/i386/i386-protos.h: Update.
3799         * config/i386/sse.md (vcondv4sf, vcondv2df): New.
3800         (vcond<SSEMODE124>, vcondu<SSEMODE12>): New.
3801
3802 2005-04-14  Joseph S. Myers  <joseph@codesourcery.com>
3803
3804         * doc/cpp.texi, doc/install.texi: Change references to GCC 3.5 to
3805         refer to 4.0.
3806
3807 2005-04-14  Julian Brown  <julian@codesourcery.com>
3808
3809         * Revert elfos.h part of my patch from 2005-04-13 for causing libstdc++
3810         link failures on ppc64 Linux.
3811
3812 2005-04-14  Andreas Krebbel  <krebbel1@de.ibm.com>
3813
3814         * config.gcc: Set cpu_type for s390.
3815
3816 2005-04-14  Daniel Berlin  <dberlin@dberlin.org>
3817
3818         Fix PR tree-optimization/20963
3819         * tree-ssa-pre.c (compute_avail): Remove special case for
3820         TREE_INVARIANT.
3821         (create_expression_by_pieces): Add value numbers for forced out
3822         statements.
3823
3824 2005-04-14  Hans-Peter Nilsson  <hp@axis.com>
3825
3826         * config/cris/cris.md: Replace references to (reg:SI 16) with
3827         (reg:SI CRIS_SRP_REGNUM).
3828
3829 2005-04-14  Kazu Hirata  <kazu@cs.umass.edu>
3830
3831         PR tree-optimization/20657
3832         * tree-vrp.c (extract_range_from_expr): Notice INTEGER_CST to
3833         create an appropriate range from it.
3834
3835 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
3836
3837         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST_FLOOR> and
3838         <UNSPEC_FIST_CEIL> case.
3839
3840         * config/i386/i386.md (UNSPEC_FIST_FLOOR, UNSPEC_FIST_CEIL): New.
3841         (*fist<mode>2_floor_1, fistdi2_floor, fistdi2_floor_with_temp)
3842         (fist<mode>2_floor, fist<mode>2_floor_with_temp): New isns patterns
3843         to implement lfloor and llfloor built-ins as x87 intrinsic function.
3844         (fistdi2_floor, fist<mode>2_floor splitters): New splitters.
3845         (lfloor<mode>2): New expanders.
3846         (*fist<mode>2_ceil_1, fistdi2_ceil, fistdi2_ceil_with_temp)
3847         (fist<mode>2_ceil, fist<mode>2_ceil_with_temp): New isns patterns
3848         to implement lceil and llceil built-ins as x87 intrinsic function.
3849         (fistdi2_ceil, fist<mode>2_ceil splitters): New splitters.
3850         (lceil<mode>2): New expanders.
3851
3852 2005-04-14  Uros Bizjak  <uros@kss-loka.si>
3853
3854         * convert.c (convert_to_integer): Convert (long int)trunc{,f,l},
3855         and (long long int)ceil{,f,l} into FIX_TRUNC_EXPR.
3856
3857 2005-04-14  Ulrich Weigand  <uweigand@de.ibm.com>
3858
3859         PR target/20927
3860         * config/s390/s390-modes.def: Define TFmode.
3861
3862 2005-04-13  Richard Sandiford  <rsandifo@redhat.com>
3863
3864         * config/mips/mips.h (ASM_OUTPUT_CASE_LABEL): Delete.
3865         (JUMP_TABLES_IN_TEXT_SECTION): Define.
3866         * config/mips/mips.c (mips16_insn_length): Remove reference to
3867         JUMP_TABLES_IN_TEXT_SECTION.
3868
3869 2005-04-13 Fariborz Jahanian <fjahanian@apple.com>
3870
3871         * simplify-rtx.c (simplify_binary_operation_1): Return
3872         scalar or vector of constant 0, depending on the xor's
3873         mode.
3874
3875 2005-04-13  Dale Johannesen  <dalej@apple.com>
3876
3877         * objc/Make-lang.in (objc-lang.o):  Depend on tree-gimple.h.
3878         (objc-act.o):  Ditto.
3879         * objc/objc-act.c (objc_gimplify_expr):  New.
3880         (objc_get_callee_fndecl):  New.
3881         * objc/objc-act.h:  Include tree-gimple.h.  Declare new functions.
3882         * objc/objc-lang.c (LANG_HOOKS_GIMPLIFY_EXPR):  Define.
3883         (LANG_HOOKS_GET_CALLEE_FNDECL):  Define.
3884
3885 2005-04-13  Devang Patel  <dpatel@apple.com>
3886
3887         * tree-if-conv.c (tree_if_convert_cond_expr): Do not create extra
3888         temp variables.
3889
3890 2005-04-13  Hans-Peter Nilsson  <hp@axis.com>
3891
3892         CRIS prologue as RTL.
3893         * config/cris/cris-protos.h (cris_emit_movem_store)
3894         (cris_expand_prologue): Prototype.
3895         * config/cris/cris.c (struct machine_function): New member
3896         stdarg_regs.
3897         (cfa_label_num, cris_target_asm_function_prologue): Remove.
3898         (TARGET_ASM_FUNCTION_PROLOGUE): Don't override.
3899         (cris_general_operand_or_gotless_symbol): Accept CRIS_UNSPEC_GOT.
3900         (cris_load_multiple_op, cris_return_address_on_stack)
3901         (cris_return_address_on_stack_for_return): ISO-Cify.
3902         (cris_store_multiple_op): New predicate function.
3903         (cris_expand_prologue, cris_emit_movem_store): New functions.
3904         (cris_print_operand) <case 'O'>: Handle modifications other than
3905         post-increment.
3906         (cris_symbol, cris_got_symbol): Return 0 for CRIS_UNSPEC_GOT.
3907         (cris_gotless_symbol): Return 1 for CRIS_UNSPEC_GOT.
3908         (cris_gen_movem_load): Rearrange slightly to make local variable
3909         src a parameter, removing osrc.
3910         (cris_setup_incoming_varargs): Set machine_function member
3911         stdarg_regs to correspond to the number of registers that need to
3912         be saved.
3913         * config/cris/cris.h (EXTRA_CONSTRAINT_S): Accept
3914         CRIS_UNSPEC_GOT.
3915         (PREDICATE_CODES): Add cris_store_multiple_op.  Make
3916         cris_general_operand_or_gotless_symbol accept UNSPEC.
3917         * config/cris/cris.md (CRIS_UNSPEC_GOT): New constant.
3918         ("*movsi_internal") <alternative 8>: Handle CRIS_UNSPEC_GOT.
3919         ("*cris_store_multiple"): New pattern.  Tweak common comment above
3920         this and "*cris_load_multiple".
3921         ("prologue"): New define_expand.
3922
3923         * config/cris/cris.md ("epilogue"): Conditionalize on
3924         TARGET_PROLOGUE_EPILOGUE.
3925
3926 2005-04-13  Steve Ellcey  <sje@cup.hp.com>
3927
3928         PR target/20924
3929         * config/ia64/ia64.md (divsf3_internal_lat): Generate frcpa with
3930         fpsr 0 instead of fpsr 1.
3931         (divsf3_internal_thr): Ditto.
3932         (divdf3_internal_lat): Ditto.
3933         (divdf3_internal_thr): Ditto.
3934         (divxf3_internal_lat): Ditto.
3935         (divxf3_internal_thr): Ditto.
3936
3937 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
3938
3939         PR tree-optimization/20913
3940         * tree-ssa-copy.c (copy_prop_visit_cond_stmt): Fold COND_EXPR.
3941
3942         PR tree-optimization/20702
3943         * tree-vrp.c (maybe_add_assert_expr): Recurse into
3944         dominator children that haven't been walked into.
3945
3946 2005-04-13  Julian Brown  <julian@codesourcery.com>
3947
3948         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK from
3949         being used for symbols with vague linkage when HAVE_GAS_COMDAT_GROUP
3950         is true.
3951
3952 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
3953
3954         * basic-block.h, tree-ssa-uncprop.c, varasm.c,
3955         config/i386/sse.md: Fix comment typos.
3956
3957         * genattrtab.c (NULL_ATTR): Remove.
3958         * ifcvt.c (NULL_EDGE): Likewise.
3959
3960         * rtl.h (RTX_EXPR_FIRST, RTX_EXPR_LAST): Remove.
3961
3962         * rtl.h (NOTE_PREDICTION_ALG, NOTE_PREDICTION_FLAGS,
3963         NOTE_PREDICT): Remove.
3964
3965 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3966
3967         * configure.ac (gcc_AC_CHECK_DECLS): Add vsnprintf.
3968         * configure: Regenerate.
3969         * config.in: Likewise.
3970         * system.h: Declare vsnprintf if not already declared.
3971
3972 2005-04-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
3973
3974         * optc-gen.awk: Handle stand-alone Mask records.
3975         * opth-gen.awk: Likewise.
3976         * doc/options.texi (Option file format): Document them.
3977         * config.gcc (sparc-*-netbsdelf*, sparc-*-linux*, sparc64-*-freebsd*,
3978         sparc64-*-linux*, sparc64-*-netbsd*): Add long-double-switch.opt.
3979         (sparc64-*-openbsd*, sparc64-*-elf*): Add little-endian.opt.
3980         * config/sparc/sparc.h (MASK_FPU, MASK_UNALIGNED_DOUBLES,
3981         MASK_V8, MASK_SPARCLITE, MASK_SPARCLET, MASK_V9,
3982         MASK_DEPRECATED_V8_INSNS, MASK_IMPURE_TEXT, MASK_APP_REGS,
3983         MASK_HARD_QUAD, MASK_LITTLE_ENDIAN, MASK_PTR64, MASK_64BIT,
3984         MASK_STACK_BIAS, MASK_FPU_SET, MASK_VIS, MASK_V8PLUS,
3985         MASK_FASTER_STRUCTS, MASK_LONG_DOUBLE_128): Delete.
3986         (TARGET_FPU, TARGET_UNALIGNED_DOUBLES, TARGET_V8, TARGET_SPARCLITE,
3987         TARGET_SPARCLET, TARGET_V9, TARGET_DEPRECATED_V8_INSNS,
3988         TARGET_IMPURE_TEXT, TARGET_APP_REGS, MASK_HARD_QUAD,
3989         TARGET_LITTLE_ENDIAN, TARGET_PTR64, TARGET_64BIT, MASK_STACK_BIAS,
3990         TARGET_FPU_SET, TARGET_VIS, TARGET_V8PLUS, TARGET_FASTER_STRUCTS,
3991         TARGET_LONG_DOUBLE_128): Likewise.
3992         (TARGET_SWITCHES, SUBTARGET_SWITCHES): Likewise.
3993         (TARGET_OPTIONS, SUBTARGET_OPTIONS): Likewise.
3994         * config/sparc/freebsd.h (SUBTARGET_SWITCHES): Likewise.
3995         * config/sparc/linux.h (SUBTARGET_SWITCHES): Likewise.
3996         * config/sparc/linux64.h (SUBTARGET_SWITCHES): Likewise.
3997         * config/sparc/netbsd-elf.h (SUBTARGET_SWITCHES): Likewise.
3998         * config/sparc/sp64-elf.h (SUBTARGET_SWITCHES): Likewise.
3999         * config/sparc/sparc.c (fpu_option_set): New global.
4000         (sparc_handle_option): New function.
4001         (sparc_override_options): Test fpu_option_set.
4002         (TARGET_DEFAULT_TARGET_FLAGS): Set to TARGET_DEFAULT.
4003         (TARGET_HANDLE_OPTION): Set to sparc_handle_option.
4004         * config/sparc/sparc.opt: New file.
4005         * config/sparc/little-endian.opt: Likewise.
4006         * config/sparc/long-double-switch.opt: Likewise.
4007
4008 2005-04-13  Bernd Schmidt  <bernd.schmidt@analog.com>
4009
4010         * config/bfin/bfin.c (bfin_lib_id_given): New static variable.
4011         (bfin_handle_options): Set it if -mshared-library-id= is seen.
4012         * config/bfin/bfin.opt (mshared-library-id=): Lose
4013         Var(bfin_lib_id_given).
4014
4015 2005-04-13  Matt Thomas  <matt@3am-software.com>
4016
4017         * config/rs6000/sysv4.h (NO_IMPLICIT_EXTERN_C): undefine before
4018         defining.
4019
4020 2005-04-13  Kazu Hirata  <kazu@cs.umass.edu>
4021
4022         * rtl.h (CLEAR_RTX_FLAGS): Remove.
4023
4024         * cgraphunit.c (INSNS_PER_CALL): Remove.
4025
4026         * tree-ssa-forwprop.c (vars,
4027         record_single_argument_cond_exprs,
4028         substitute_single_use_vars): Remove.
4029         (forward_propagate_into_cond_1, forward_propagate_into_cond):
4030         New.
4031         (tree_ssa_forward_propagate_single_use_vars): Call
4032         forward_propagate_into_cond for each COND_EXPR.
4033
4034         * tree-inline.c (INSNS_PER_STMT): Remove.
4035
4036 2005-04-12  Richard Henderson  <rth@redhat.com>
4037
4038         * config/i386/i386.c (ix86_prepare_sse_fp_compare_args): Split ...
4039         (ix86_expand_sse_fp_minmax): ... from ...
4040         (ix86_expand_fp_movcc): ... here.
4041         (ix86_expand_sse_movcc): Rewrite from ix86_split_sse_movcc.
4042         * config/i386/i386-protos.h: Update.
4043         * config/i386/i386.md (UNSPEC_IEEE_MIN, UNSPEC_IEEE_MAX): New.
4044         (sse_setccsf, sse_setccdf): Allow before reload.
4045         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): Remove.
4046         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): Remove.
4047         (ieee_sminsf3, ieee_smaxsf3, ieee_smindf3, ieee_smaxdf3): New.
4048         * config/i386/sse.md (andsf3, nandsf3, iorsf3, xorsf3): New.
4049         (anddf3, nanddf3, iordf3, xordf3): New.
4050
4051 2005-04-12  Jeff Law  <law@redhat.com>
4052
4053         * Makefile.in (OBJS-common): Add tree-ssa-uncprop.o.
4054         (tree-ssa-uncprop.o): Add dependencies.
4055         * tree-cfg.c (remove_useless_stmts_bb, remove_useless_stmts): Remove.
4056         * tree-flow.h (remove_useless_stmts): Remove prototype.
4057         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
4058         remove_useless_stmts.
4059         * timevar.def (TV_TREE_SSA_UNCPROP): New timevar.
4060         * tree-optimize.c (init_tree_optimization_passes): Add uncprop pass.
4061         * tree-pass.h (pass_uncprop): Declare.
4062         * tree-ssa-uncprop.c: New file.
4063
4064 2005-04-12  James E. Wilson  <wilson@specifixinc.com>
4065
4066         PR target/20670
4067         * unwind-ia64.c (uw_intall_context): Add missing load of r27.
4068
4069 2005-04-12  Caroline Tice  <ctice@apple.com>
4070
4071         Temporary fix for partitioning problems.
4072         * passes.c (rest_of_handle_final): Remove code that
4073         frees unlikely_text_section_name,
4074         * varasm.c (assemble_start_function): Test for partitioning
4075         flag before writing out section labels.
4076         (assemble_end_function): Test for partitioning flag before
4077         writing out section labels.
4078
4079 2005-04-12  Steven Bosscher  <stevenb@suse.de>
4080             Stuart Hastings <stuart@apple.com>
4081             Jan Hubicka  <jh@suse.cz>
4082
4083         * Makefile.in: Add function.h to BASIC_BLOCK_H.  Remove all
4084         references to gt-tree-cfg.h.
4085         * basic-block.h (struct basic_block_def): Don't skip rbi
4086         for garbage collection.
4087         (struct reorder_block_def): Make GTY-able.
4088         (struct control_flow_graph): New structure.
4089         (n_edges, n_basic_blocks, last_basic_block, basic_block_info,
4090         BASIC_BLOCK, EXIT_BLOCK_PTR, ENTRY_BLOCK_PTR): No longer vars,
4091         but instead defines to the control_flow_graph for cfun.
4092         (label_to_block_map): New define, points to the label map of
4093         the control_flow_graph for cfun.
4094         (n_edges_for_function, n_basic_blocks_for_function,
4095         last_basic_block_for_function, basic_block_info_for_function,
4096         EXIT_BLOCK_PTR_FOR_FUNCTION, ENTRY_BLOCK_PTR_FOR_FUNCTION,
4097         basic_block_info_for_function, label_to_block_map_for_function):
4098         Counterparts for the above, taking a struct function as an extra
4099         argument.
4100         (alloc_rbi_pool, free_rbi_pool): Remove prototypes.
4101         * cfg.c: (n_edges, n_basic_blocks, last_basic_block,
4102         basic_block_info, ENTRY_BLOCK_PTR, EXIT_BLOCK_PTR): Remove.
4103         (alloc_rbi_pool, free_rbi_pool): Remove.
4104         (initialize_bb_rbi): Use ggc_alloc_cleared instead of pool_alloc.
4105         * cfglayout.c: (cfg_layout_initialize): Don't allocate the rbi pool
4106         here...
4107         (cfg_layout_finalize) ... and don't free it here.
4108         * cfgrtl.c (cfg_layout_delete_block): Zero out rbi so it gets
4109         garbage collected.
4110         * flow.c (free_basic_block_vars): Set label_to_block_map and
4111         n_edges to zero too.
4112         * function.h (struct function): Add cfg field.
4113         * function.c (allocate_struct_function): Allocate the cfg.
4114         * tree-cfg.c (label_to_block_map): Remove.
4115         (build_tree_cfg): Don't allocate the rbi pool here...
4116         (delete_tree_cfg_annotations): ...and don't free it here.
4117         Also don't nullify label_to_block_map for cfun.
4118
4119 2005-04-12  Caroline Tice  <ctice@apple.com>
4120
4121         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
4122         Revert my patch from April 9.
4123         (fix_edges_for_rarely_executed_code): Revert my patch from April 9.
4124         (reorder_basic_blocks): Revert my patch from April 9.
4125         (insert_section_boundary_note): Revert my patch from April 9.
4126         * dbxout.c (dbxout_function_end): Revert my patch from April 9.
4127         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): Revert my patch from April 9.
4128         (COLD_END_LABEL):  Revert my patch from April 9.
4129         (cold_text_section_label):  Revert my patch from April 9.
4130         (cold_end_label): Revert my patch from April 9.
4131         (dwarf2out_switch_text_section): Revert my patch from April 9.
4132         (output_aranges): Revert my patch from April 9.
4133         (output_ranges):  Revert my patch from April 9.
4134         (output_line_info): Revert my patch from April 9.
4135         (add_location_or_const_value_attribute):  Revert my patch from April 9.
4136         (dwarf2out_var_location): Revert my patch from April 9.
4137         (dwarf2out_init):  Revert my patch from April 9.
4138         (dwarf2out_finish): Revert my patch from April 9.
4139         * function.h (struct function): Revert my patch from April 9.
4140         * opts.c (decode_options): Revert my patch from April 9.
4141         * output.h (unlikely_section_label, hot_section_label,
4142         hot_section_end_label, cold_section_end_label,
4143         unlikely_text_section_name): Revert my patch from April 9.
4144         * passes.c (rest_of_handle_final): Revert my patch from April 9.
4145         * varasm.c (unlikely_section_label, hot_section_label,
4146         hot_section_end_label, cold_section_end_label,
4147         unlikely_text_section_name): Revert my patch from April 9.
4148         (initialize_cold_section_name): Revert my patch from April 9.
4149         (unlikely_text_section): Revert my patch from April 9.
4150         (in_unlikely_text_section): Revert my patch from April 9.
4151         (named_section): Revert my patch from April 9.
4152         (function_section): Revert my patch from April 9.
4153         (current_function_section): Revert my patch from April 9.
4154         (assemble_start_function): Revert my patch from April 9.
4155         (assemble_end_function): Revert my patch from April 9.
4156         (default_section_type_flags_1): Revert my patch from April 9.
4157
4158 2005-04-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4159
4160         * config/sparc/sparc.h (APPLY_RESULT_SIZE): Set to 24 in 64-bit mode.
4161         * config/sparc/sparc.md (untyped_call): Save the registers manually.
4162
4163         * config/sparc/sparc.c (legitimate_address_p): Use TARGET_ARCH32.
4164
4165 2005-04-12  Ulrich Weigand  <uweigand@de.ibm.com>
4166
4167         PR middle-end/20917
4168         * config/s390/s390.md ("*set_tp"): Use SET in pattern.
4169         ("set_tp_64", "set_tp_31"): Adapt expanded pattern.
4170
4171 2004-04-12  Richard Henderson  <rth@redhat.com>
4172
4173         * config/i386/i386.md (UNSPEC_FIX, UNSPEC_MOVA, UNSPEC_SHUFFLE,
4174         UNSPEC_PSHUFLW, UNSPEC_PSHUFHW, UNSPEC_ADDSUB, UNSPEC_HADD,
4175         UNSPEC_HSUB, UNSPEC_MOVSHDUP, UNSPEC_MOVSLDUP, UNSPEC_MOVDDUP): Remove.
4176         (UNSPEC_*, UNSPECV_*): Renumber.
4177
4178 2005-04-12  Frank Ch. Eigler  <fche@redhat.com>
4179
4180         PR mudflap/19266
4181         From Richard Henderson <rth@redhat.com>:
4182         * tree-mudflap.c (mf_build_check_statement_for): Correct block
4183         splitting logic.
4184
4185 2005-04-12  Dorit Naishlos  <dorit@il.ibm.com>
4186
4187         * tree-cfg.c (tree_verify_flow_info): Use LABEL_EXPR_LABEL.
4188
4189 2005-04-12  Bernd Schmidt  <bernd.schmidt@analog.com>
4190
4191         * config/bfin/bfin.c (bfin_library_id_string): Remove.
4192         (bfin_library_id): New variable.
4193         (bfin_expand_prologue): Use bfin_library_id and bfin_lib_id_given
4194         instead of bfin_library_id_string.
4195         (bfin_handle_option): New function.
4196         (override_options): Remove most code to deal with shared library IDs,
4197         just check they aren't used without -mid-shared-library.
4198         (TARGET_HANDLE_OPTION): Define.
4199         * config/bfin/bfin.h (TARGET_OPTIONS): Delete macro.
4200         * config/bfin/bfin.opt (mshared-library-id=): New.
4201
4202 2005-04-12  Kazu Hirata  <kazu@cs.umass.edu>
4203
4204         * tree-vect-transform.c: Fix comment typos.
4205
4206 2005-04-12 Mostafa Hagog <mustafa@il.ibm.com>
4207
4208         * postreload-gcse.c (eliminate_partially_redundant_load): Don't
4209         split critical edges when not possible/profitable.
4210
4211 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
4212
4213         * config/ns32k/ns32k.h (target_flags, MASK_32081, MASK_RTD)
4214         (MASK_REGPARM, MASK_32532, MASK_32332, MASK_NO_SB, MASK_NO_BITFIELD)
4215         (MASK_HIMEM, MASK_32381, MASK_MULT_ADD, MASK_SRC, MASK_IEEE_COMPARE)
4216         (TARGET_32081, TARGET_32381, TARGET_MULT_ADD, TARGET_RTD)
4217         (TARGET_REGPARM, TARGET_32532, TARGET_32332, TARGET_SB, TARGET_HIMEM)
4218         (TARGET_BITFIELD, TARGET_IEEE_COMPARE, TARGET_SWITCHES): Delete.
4219         (OVERRIDE_OPTIONS): Clear MASK_SB instead of setting MASK_NO_SB.
4220         * config/ns32k/netbsd.h (TARGET_DEFAULT): Remove MASK_NO_SB and
4221         MASK_NO_BITFIELD.
4222         * config/ns32k/ns32k.c (ns32k_handle_option): New function.
4223         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4224         * config/ns32k/ns32k.opt: New file.
4225
4226 2005-04-12  Richard Sandiford  <rsandifo@redhat.com>
4227
4228         * config.gcc (m68k-*-linux*): Add m68k/ieee.opt to $extra_options.
4229         * config/m68k/m68k.h (target_flags, MASK_68020, TARGET_68020)
4230         (MASK_68030, TARGET_68030, MASK_68040, TARGET_68040, MASK_68040_ONLY)
4231         (TARGET_68040_ONLY, MASK_68060, TARGET_68060, MASK_5200, TARGET_5200)
4232         (MASK_CFV3, TARGET_CFV3, MASK_CFV4, TARGET_CFV4, MASK_528x)
4233         (TARGET_528x, MASK_CF_HWDIV, TARGET_CF_HWDIV, MASK_68881, TARGET_68881)
4234         (MASK_BITFIELD, TARGET_BITFIELD, MASK_SHORT, TARGET_SHORT)
4235         (MASK_ALIGN_INT, TARGET_ALIGN_INT, MASK_PCREL, TARGET_PCREL)
4236         (MASK_NO_STRICT_ALIGNMENT, TARGET_STRICT_ALIGNMENT, MASK_RTD)
4237         (TARGET_RTD, MASK_SEP_DATA, TARGET_SEP_DATA, MASK_ID_SHARED_LIBRARY)
4238         (TARGET_ID_SHARED_LIBRARY, MASK_ALL_CF_BITS, TARGET_SWITCHES)
4239         (TARGET_OPTIONS, SUBTARGET_SWITCHES, SUBTARGET_OPTIONS): Delete.
4240         (MASK_COLDFIRE): Formatting fixes.
4241         (TARGET_COLDFIRE): Turn into a boolean value for consistency.
4242         * config/m68k/linux.h (SUBTARGET_SWITCHES): Delete.
4243         * config/m68k/m68k.c (m68k_library_id_string): Initialize to
4244         "_current_shared_library_a5_offset_".
4245         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
4246         (MASK_ALL_CPU_BITS): New macro.
4247         (m68k_handle_option): New function.
4248         (override_options): Remove handling of m68k_library_id_string.
4249         * config/m68k/m68k.opt: New file.
4250         * config/m68k/ieee.opt: New file.
4251
4252 2005-04-11  Mark Mitchell  <mark@codesourcery.com>
4253
4254         * target-def.h (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
4255         (TARGET_CXX_DETERMINE_CLASS_VISIBILITY): New macro.
4256         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
4257         (TARGET_CXX): Adjust accordingly.
4258         * target.h (struct gcc_target): Remove epxort_class_data.  Add
4259         determine_class_data_visibility and class_data_always_comdat.
4260         * doc/tm.texi (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
4261         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Document.
4262         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
4263         * config/arm/arm.c (arm_cxx_export_class_data): Remove.
4264         (arm_cxx_determine_class_data_visibility): New.
4265         (arm_cxx_class_data_always_comdat): Likewise.
4266         (TARGET_CXX_EXPORT_CLASS_DATA): Remove.
4267         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
4268         (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Likewise.
4269         * config/arm/arm.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P): Define.
4270         * config/arm/symbian.h (TARGET_ARM_DYNAMIC_VAGUE_LINKAGE_P):
4271         Define.
4272
4273 2005-04-11  Devang Patel  <dpatel@apple.com>
4274
4275         * tree-data-ref.c (build_classic_dist_vector,
4276         compute_subscript_distance): Make externally visible.
4277         * tree-data-ref.h (build_classic_dist_vector,
4278         compute_subscript_distance): Same.
4279         * tree-vect-analyze.c (vect_analyze_data_ref_dependence):
4280         Check distance vector against vectorization factor.
4281         (vect_analyze_loop): Determine vectorizaion factor before
4282         analyzing data dependences.
4283         * tree-vectorizer.c (loops_num): Make it externally visible and
4284         rename ...
4285         * tree-vectorizer.c (vect_loops_num): ... new name.
4286         * tree-vectorizer.h  (vect_loops_num): New.
4287
4288 2005-04-11  Devang Patel  <dpatel@apple.com>
4289
4290         * tree-vect-analyze.c (vect_analyze_operations): Check
4291         vectorizable codition.
4292         * tree-vect-transform.c (vect_is_simple_cond): New function.
4293         (vectorizable_condition): New function.
4294         (vect_transform_stmt): Handle condition_vec_info_type.
4295         * tree-vectorizer.h (enum stmt_vec_info_type): Add
4296         condition_vec_info_type.
4297         (vectorizable_condition): New.
4298
4299 2005-04-11  Geoffrey Keating  <geoffk@apple.com>
4300
4301         * config/i386/i386.h (TARGET_FPMATH_DEFAULT): New.
4302         * config/i386/darwin.h (TARGET_FPMATH_DEFAULT): New.
4303         * config/i386/i386.c (override_options): Use TARGET_FPMATH_DEFAULT.
4304
4305         * config/i386/darwin.h (ASM_SPEC): Use -arch i386 not -arch i686.
4306         (SUBTARGET_EXTRA_SPECS): Always 'i386'.
4307
4308         * dwarf2out.c (output_line_info): Don't try to dereference
4309         a NULL current_function_decl.
4310
4311         * config/t-slibgcc-darwin: Don't put shared libraries in
4312         directories other than $(slibdir).
4313         * config/rs6000/darwin.h: Find -m64 libgcc under the name the
4314         OS uses for it.
4315
4316 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
4317
4318         PR tree-optimization/20933
4319         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Move
4320         logic to reject aliases between read-only and writable
4321         variables ...
4322         (may_alias_p): ... here.
4323         (get_tmt_for): Do not associate read-only tags to pointers
4324         whose pointed-to type is not read-only.
4325         * tree-ssa.c (verify_ssa): Check that memory stores have at
4326         least one V_MAY_DEF or V_MUST_DEF.
4327
4328 2005-04-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4329
4330         PR/17092
4331         * configure.ac (gcc_UNLOCKED_FUNCS): New.
4332         (AC_CHECK_FUNCS, AC_CHECK_DECLS): Check for gcc_UNLOCKED_FUNCS.
4333         * system.h (putchar, getc, getchar, clearerr, feof, fileno,
4334         fflush, fgetc, fgets, ferror, fread): Redefine to the associated
4335         _unlocked function.
4336         (fwrite_unlocked): Fix prototype.
4337
4338         * configure, config.in: Regenerate.
4339
4340 2005-04-11  David Edelsohn  <edelsohn@gnu.org>
4341
4342         * tree-ssa-loop-im.c: Include real.h.
4343         (determine_invariantness_stmt): If real division divisor is
4344         invariant and flag_unsafe_math_optimizations enabled, generate
4345         invariant reciprocal for hoisting.
4346         * Makefile.in (tree-ssa-loop-im.o): Add real.h dependency.
4347
4348 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
4349
4350         Fix PR tree-optimization/20926
4351
4352         * tree-ssa-alias.c (add_type_alias): Handle subvars.
4353
4354 2005-04-11  Devang Patel  <dpatel@apple.com>
4355
4356         * config/rs6000.c (rs6000_emit_vector_select): Fix vector select
4357         operand ordering.
4358
4359 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
4360
4361         * fold-const.c (fold_binary_op_with_conditional_arg):
4362         use fold_buildN instead of "fold (buildN" in some
4363         non obvious places.
4364         (fold_unary): Likewise.
4365         (fold_binary): Likewise.
4366
4367 2005-04-11  Daniel Berlin  <dberlin@dberlin.org>
4368
4369         Fix PR tree-optimization/20612
4370         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Fix increment
4371         handling
4372         (perfect_nestify): preheaderbb is *not* part of loop of the
4373         old destination.
4374
4375 2005-04-11  Andrew Pinski  <pinskia@physics.uc.edu>
4376
4377         * tree-ssa-alias.c (may_alias_p): If the variable
4378         is a global variable and the pointer is parameter
4379         and -fargument-noalias-global is used, then
4380         the pointer cannot alias the variable.
4381
4382 2005-04-11  James A. Morrison  <phython@gcc.gnu.org>
4383
4384         * config/sparc/sparc.c: Use gcc_assert and gcc_unreachable.
4385         * config/sparc/sparc.h: Likewise.
4386         * config/sparc/sparc.md: Likewise.
4387
4388 2005-04-11  Kazu Hirata  <kazu@cs.umass.edu>
4389
4390         * tree-vrp.c (maybe_add_assert_expr): Move a comment.
4391
4392         * tree-vrp.c: Fix a comment typo.
4393
4394 2005-04-11  Diego Novillo  <dnovillo@redhat.com>
4395
4396         PR tree-optimization/20920
4397         * tree-pretty-print.c (dump_generic_node): Show '(ab)' if an
4398         SSA_NAME flows through an abnormal edge.
4399         * tree-vrp.c (infer_value_range): Ignore SSA names that flow
4400         through abnormal edges.
4401         (maybe_add_assert_expr): Likewise.
4402
4403 2005-04-11  Richard Sandiford  <rsandifo@redhat.com>
4404
4405         * config/s390/s390.h (s390_tune_string, s390_arch_string)
4406         (s390_warn_framesize_string, s390_warn_dynamicstack_string)
4407         (s390_stack_size_string, s390_stack_guard_string, target_flags)
4408         (MASK_HARD_FLOAT, MASK_SMALL_EXEC, MASK_DEBUG_ARG, MASK_64BIT)
4409         (MASK_ZARCH, MASK_MVCLE, MASK_TPF_PROFILING, MASK_NO_FUSED_MADD)
4410         (MASK_BACKCHAIN, MASK_PACKED_STACK, TARGET_HARD_FLOAT)
4411         (TARGET_SOFT_FLOAT, TARGET_SMALL_EXEC, TARGET_DEBUG_ARG)
4412         (TARGET_64BIT, TARGET_ZARCH, TARGET_MVCLE, TARGET_TPF_PROFILING)
4413         (TARGET_NO_FUSED_MADD, TARGET_FUSED_MADD, TARGET_BACKCHAIN)
4414         (TARGET_PACKED_STACK, TARGET_SWITCHES, TARGET_OPTIONS): Delete.
4415         * config/s390/s390.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
4416         (TARGET_HANDLE_OPTION): Likewise.
4417         (s390_tune): Initialize to PROCESSOR_max.
4418         (s390_arch_string): Make static.
4419         (s390_tune_string, s390_warn_framesize_string): Delete.
4420         (s390_warn_dynamicstack_string, s390_stack_size_string): Delete.
4421         (s390_stack_guard_string, s390_warn_dynamicstack_p): Delete.
4422         (s390_handle_arch_option, s390_handle_option): New functions.
4423         (override_options): Remove parsing of option strings.
4424         * config/s390/s390.opt: New file.
4425
4426 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
4427
4428         * tree-complex.c (expand_vector_operations): Call
4429         update_stmt_if_modified.
4430
4431 2005-04-11  Paolo Bonzini  <bonzini@gnu.org>
4432
4433         * tree-vect-analyze (vect_determine_vectorization_factor):
4434         Do not use GET_MODE_NUNITS.
4435         * tree-vect-transform.c (vect_get_vec_def_for_operand,
4436         (vectorizable_load, vect_transform_loop): Likewise.
4437
4438 2005-04-11  Uros Bizjak  <uros@kss-loka.si>
4439
4440         * builtins.def (BUILT_IN_LCEIL, BUILT_IN_LCEILF, BUILT_IN_LCEILL)
4441         (BUILT_IN_LLCEIL, BUILT_IN_LLCEILF, BUILT_IN_LLCEILL): New.
4442         * optabs.h (enum optab_index): Add new OTI_lceil.
4443         (lceil_optab): Define corresponding macro.
4444         * optabs.c (init_optabs): Initialize lceil_optab.
4445         * genopinit.c (optabs): Implement lceil_optab using lceilsi2
4446         and lceildi2 patterns.
4447         * builtins.c (expand_builtin_int_roundingfn): Handle
4448         BUILT_IN_LCEIL{,F,L} and BUILT_IN_LLCEIL{,F,L}.
4449         (fold_builtin_int_roundingfn): Handle BUILT_IN_LCEIL{,F,L} and
4450         BUILT_IN_LLCEIL{,F,L}.
4451         (fold_builtin_1): Fold BUILT_IN_LCEIL{,F,L} and
4452         BUILT_IN_LLCEIL{,F,L} using fold_builtin_int_roundingfn.
4453         (mathfn_built_in): Handle BUILT_IN LCEIL and BUILT_IN_LLCEIL.
4454         (expand_builtin): Expand BUILT_IN_LCEIL{,F,L} and
4455         BUILT_IN_LLCEIL{,F,L} using expand_builtin_int_roundingfn.
4456         * convert.c (convert_to_integer): Convert (long int)ceil{,f,l},
4457         into lceil built-in function and (long long int)ceil{,f,l} into
4458         llceil built-in function.
4459         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LCEIL and
4460         BUILT_IN_LLCEIL.
4461
4462 2005-04-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4463
4464         * pa/quadlib.c (_U_Qfneg): Toggle sign bit instead of subtracting from
4465         zero.
4466
4467 2005-04-10  Kazu Hirata  <kazu@cs.umass.edu>
4468
4469         * config/arm/arm.c: Fix a comment typo.
4470         * doc/tree-ssa.texi: Fix a typo.
4471
4472 2005-04-10  Steven Bosscher  <stevenb@suse.de>
4473
4474         * cselib.c (clear_table): Rename to cselib_clear_table.
4475         * cselib.h (cselib_clear_table): Add prototype.
4476         * gcse.c (gcse_main): Make 'f' argument unused.
4477         (alloc_gcse_mem): Do not walk the insn chain, walk the contents
4478         of each basic block instead.
4479         (compute_sets, compute_hash_table_work): Likewise.
4480         (constprop_register): Change int 'alter_jumps' argument to bool.
4481         (do_local_cprop): Likewise.
4482         (local_cprop_pass): Likewise.  Also walk basic blocks instead of
4483         the insn chain.  Explicitly clear the cselib tables after finishing
4484         one basic block.  Make sure there are no unterminated libcall blocks.
4485         Update compute_sets call.
4486         (cprop): Walk basic blocks instead of the insn chain.
4487         (one_cprop_pass, compute_ld_motion_mems, compute_store_table):
4488         Likewise.
4489         (bypass_jumps): Update alloc_gcse_mem, compute_sets, and
4490         one_cprop_pass calls.
4491
4492 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
4493
4494         * combine.c (combine_simplify_rtx): Remove a transformation that
4495         relies on an invalid assumption about rtl sign-extension semantics.
4496
4497 2005-04-10  Richard Sandiford  <rsandifo@redhat.com>
4498
4499         * value-prof.c (tree_divmod_fixed_value_transform): Fix arguments
4500         to build_int_cst_wide.
4501
4502 2005-04-09  Alexandre Oliva  <aoliva@redhat.com>
4503
4504         PR target/20126
4505         * loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
4506         set the original address pseudo to the correct value before the
4507         original insn, if possible, and leave the insn alone, otherwise
4508         create a new pseudo, set it and replace it in the insn.
4509         * recog.c (validate_change_maybe_volatile): New.
4510         * recog.h (validate_change_maybe_volatile): Declare.
4511
4512 2005-04-09  Caroline Tice  <ctice@apple.com>
4513
4514         * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
4515         Remove targetm.have_named_sections test.
4516         (fix_edges_for_rarely_executed_code): Likewise.
4517         (insert_section_boundary_note): Likewise.
4518         (reorder_basic_blocks): Check partitioning flag before calling
4519         verify_hot_cold_block_grouping.
4520         * dbxout.c (dbxout_function_end): Get hot/cold section labels from
4521         the function struct rather than global variables.
4522         * dwarf2out.c (COLD_TEXT_SECTION_LABEL): New macro.
4523         (COLD_END_LABEL): Likewise
4524         (cold_text_section_label): New static global variable.
4525         (cold_end_label): Likewise.
4526         (dwarf2out_switch_text_section): Get hot/cold section labels from
4527         the function struct rather than global variables.
4528         (output_aranges): Use cold_text_section_label and cold_end_label;
4529         check partitioning flag before putting out delta.
4530         (output_ranges): Remove incorrect code attempting to use
4531         hot/cold labels.
4532         (output_line_info): Get cold section label from function struct.
4533         (add_location_or_const_value_attribute): Likewise.
4534         (get_subprogram_die): Get hot/cold section labels from function struct.
4535         (dwarf2out_var_location): Likewise.
4536         (dwarf2out_init): Generate cold_text_section_label and cold_end_label;
4537         write out cold_text_section_label if partition flag is set.
4538         (dwarf2out_finish): Write out cold_end_label if partition flag is set;
4539         * function.h (struct function): Add new fields to point to hot/cold
4540         section labels: hot_section_label, cold_section_label,
4541         hot_section_end_label and cold_section_end_label; also add new field
4542         for cold text section name, unlikely_text_section_name.
4543         * opts.c (decode_options): Turn off partitioning flag if
4544         !targetm.have_named_sections.
4545         * output.h (hot_section_label): Remove.
4546         (hot_section_end_label): Remove.
4547         (cold_section_end_label): Remove.
4548         (unlikely_section_label): Remove.
4549         (unlikely_text_section_name): Remove.
4550         * passes.c (rest_of_handle_final):  Remove code that frees
4551         unlikely_text_section_name.
4552         * varasm.c (unlikely_section_label): Remove.
4553         (hot_section_label): Remove.
4554         (hot_section_end_label): Remove.
4555         (cold_section_end_label): Remove.
4556         (unlikely_text_section_name):  Remove.
4557         (initialize_cold_section_name): Modify to call
4558         targetm.strip_name_encoding; to store cold section name in current
4559         function struct, if it exists; and to only use the decl_section_name
4560         if flag_named_sections is true.
4561         (unlikely_text_section): Modify to get section name out of current
4562         function struct, if there is one; otherwise build it from
4563         UNLIKELY_EXECUTED_TEXT_SECTION_NAME.
4564         (in_unlikely_text_section): Likewise.
4565         (named_section): Modify to get/put cold section name in current function
4566         struct, if there is one.
4567         (function_section):  Change 'bool unlikely' to 'int reloc'; check
4568         targetm.have_named_sections before calling named_section.
4569         (current_function_section): Likewise.
4570         (assemble_start_function): Modify to get/put unlikely_text_section_name
4571         in current function struct; modify to get hot/cold section labels
4572         from function struct; initialize labels using
4573         ASM_GENERATE_INTERNAL_LABEL;
4574         test partitioning flag before writing out hot section label.
4575         (assemble_end_function): Test partitioning flag before writing out
4576         hot/cold section labels.
4577         (default_section_type_flags_1):  Modify to use array instead of
4578          char* for unlikely_text_section_name; set flags correctly for
4579          cold text section if there is not a current function decl.
4580
4581 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
4582
4583         * tree.h (enum tree_index): Add TI_VA_LIST_GPR_COUNTER_FIELD
4584         and TI_VA_LIST_FPR_COUNTER_FIELD.
4585         (va_list_gpr_counter_field, va_list_fpr_counter_field): Define.
4586         * tree-pass.h (pass_stdarg): Add.
4587         * tree-optimize.c (init_tree_optimization_passes): Add pass_stdarg.
4588         * tree-stdarg.c: New file.
4589         * tree-stdarg.h: New file.
4590         * Makefile.in (OBJS-common): Add tree-stdarg.o.
4591         (tree-stdarg.o): Add dependencies.
4592         * function.h (struct function): Add va_list_gpr_size and
4593         va_list_fpr_size fields.
4594         * function.c (allocate_struct_function): Initialize them.
4595         * target.h (struct gcc_target): Add stdarg_optimize_hook.
4596         * target-def.h (TARGET_STDARG_OPTIMIZE_HOOK): Define.
4597         (TARGET_INITIALIZER): Add it.
4598
4599         * config/i386/i386.c (ix86_build_builtin_va_list): Initialize
4600         va_list_{g,f}pr_counter_field.
4601         (ix86_setup_incoming_varargs): Don't do anything if reg_save
4602         area will not be used.  Only save registers that tree-stdarg.c
4603         detected they need saving.
4604         (ix86_va_start): Don't set up fields that won't be used.
4605
4606         * config/rs6000/rs6000.c (rs6000_build_builtin_va_list): Initialize
4607         va_list_{g,f}pr_counter_field.
4608         (setup_incoming_varargs): Don't do anything if reg_save
4609         area will not be used.  Only save registers that tree-stdarg.c
4610         detected they need saving.
4611         (rs6000_va_start): Don't set up fields that won't be used.
4612
4613         * config/alpha/alpha.c: Include tree-flow.h and tree-stdarg.h.
4614         (alpha_build_builtin_va_list): Initialize va_list_gpr_counter_field.
4615         (va_list_skip_additions, alpha_stdarg_optimize_hook): New functions.
4616         (TARGET_STDARG_OPTIMIZE_HOOK): Define.
4617
4618 2005-04-09  Jakub Jelinek  <jakub@redhat.com>
4619
4620         PR target/20795
4621         * config/i386/i386.c (construct_container): Pass empty aligned
4622         struct, union or class in memory.
4623
4624 2005-04-09  Kazu Hirata  <kazu@cs.umass.edu>
4625
4626         * dominance.c, gthr-win32.h, reg-stack.c, tree-ssa-copy.c,
4627         tree-ssa-operands.c, tree-ssa.c, tree-vrp.c, varasm.c,
4628         config/alpha/alpha.c, config/arm/arm.c, config/m32r/m32r.h,
4629         config/rs6000/predicates.md: Fix comment typos.
4630
4631         * sched-int.h (haifa_insn_data): Remove blockage and units.
4632         (INSN_UNIT, INSN_BLOCKAGE, UNIT_BITS, BLOCKAGE_MASK,
4633         ENCODE_BLOCKAGE, UNIT_BLOCKED, BLOCKAGE_RANGE,
4634         MIN_BLOCKAGE_COST, MAX_BLOCKAGE_COST): Remove.
4635
4636 2005-04-09  Jan Hubicka  <jh@suse.cz>
4637             Steven Bosscher  <stevenb@suse.de>
4638
4639         * cfglayout.c (copy_bbs): Rename n_edges to num_edges.
4640         * cfgloop.c (get_loop_exit_edges): Likewise.
4641         * cfgloopmanip.c (fix_irreducible_loops): Likewise.
4642         (unloop): Likewise.
4643         * loop-unroll.c (analyze_insns_in_loop): Likewise.
4644         * tree-cfg.c (dump_cfg_status): Likewise.
4645
4646 2005-04-09  David Edelsohn  <edelsohn@gnu.org>
4647
4648         * config/rs6000/predicates.md (altivec_register_operand): Remove
4649         redundant match_code test.
4650         (gpc_reg_operand): Same.
4651         (cc_reg_operand): Same.
4652         (cc_reg_not_cr0_operand): Same.
4653
4654 2005-04-09  Jan Hubicka  <jh@suse.cz>
4655
4656         Forgotten hunk from my last merge patch:
4657         * final.c (output_addr_const): Do not call mark_referenced.
4658
4659 2005-04-09  Andrew MacLeod  <amacleod@redhat.com>
4660
4661         * doc/tree-ssa.texi: Add immediate use documentation.
4662
4663 2005-04-09  Richard Earnshaw <richard.earnshaw@arm.com>
4664
4665         * arm.c (FL_WBUF): Define.
4666         (arm_tune_strongarm): Renamed from arm_is_strong.  All uses changed.
4667         (arm_is_6_or_7): Delete.
4668         (arm_tune_wbuf): New.
4669         (arm_override_options): Set arm_tune_wbuf.
4670         * arm.h (arm_tune_strongarm): Renamed from arm_is_strong.
4671         (arm_is_6_or_7): Delete declaration.
4672         (arm_tune_wbuf): New declartion.
4673         * arm.md (is_strongarm): Derive from arm_tune_strongarm.
4674         (model_wbuf): Derive from arm_tune_wbuf.
4675         * arm-cores.def (arm600, arm610, arm620, arm700, arm700i, arm710)
4676         (arm720, arm710c, arm7100, arm7500, arm7500fe, arm710t, arm720t)
4677         (arm740t): Mark CPUs as having a write buffer.
4678
4679 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
4680
4681         * config/i386/i386.md (*fp_jcc_7_387): Use 'const0_operand' instead
4682         of 'const_double_operand' in operand 2 constraints.  Update enable
4683         condition.
4684
4685 2005-04-09  Uros Bizjak  <uros@kss-loka.si>
4686
4687         * builtins.def (BUILT_IN_LFLOOR, BUILT_IN_LFLOORF, BUILT_IN_LFLOORL)
4688         (BUILT_IN_LLFLOOR, BUILT_IN_LLFLOORF, BUILT_IN_LLFLOORL): New.
4689         * optabs.h (enum optab_index): Add new OTI_lfloor.
4690         (lfloor_optab): Define corresponding macro.
4691         * optabs.c (init_optabs): Initialize lfloor_optab.
4692         * genopinit.c (optabs): Implement lfloor_optab using lfloorsi2
4693         and lfloordi2 patterns.
4694         * builtins.c (expand_builtin_int_roundingfn): New prototype.
4695         (expand_builtin_int_roundingfn): New function.
4696         (fold_builtin_int_roundingfn): New prototype.
4697         (fold_builtin_int_roundingfn): New function, renamed from
4698         fold_builtin_lround.
4699         Handle BUILT_IN_LROUND{,F,L}, BUILT_IN_LLROUND{,F,L} and
4700         BUILT_IN_LFLOOR{,F,L}, BUILT_IN_LLFLOOR{,F,L}.
4701         (fold_builtin_1): Fold BUILT_IN_LFLOOR{,F,L} and
4702         BUILT_IN_LLFLOOR{,F,L} using fold_builtin_int_roundingfn.
4703         (mathfn_built_in): Handle BUILT_IN LFLOOR and BUILT_IN_LLFLOOR.
4704         (expand_builtin): Expand BUILT_IN_LFLOOR{,F,L} and
4705         BUILT_IN_LLFLOOR{,F,L} using expand_builtin_int_roundingfn.
4706         * convert.c (convert_to_integer): Convert (long int)floor{,f,l},
4707         into lfloor built-in function and (long long int)floor{,f,l} into
4708         llfloor built-in function.
4709         * fold-const.c (tree_expr_nonnegative_p): Add BUILT_IN_LFLOOR and
4710         BUILT_IN_LLFLOOR.
4711
4712 2005-04-08  Ian Lance Taylor  <ian@airs.com>
4713
4714         * c-common.def: Move FOR_STMT, WHILE_STMT, DO_STMT, BREAK_STMT,
4715         CONTINUE_STMT, and SWITCH_STMT to cp/cp-tree.def.
4716         * c-common.h (WHILE_COND, WHILE_BODY): Move to cp/cp-tree.h.
4717         (DO_COND, DO_BODY): Likewise.
4718         (FOR_INIT_STMT, FOR_COND, FOR_EXPR, FOR_BODY): Likewise.
4719         (SWITCH_STMT_COND, SWITCH_STMT_BODY, SWITCH_STMT_TYPE): Likewise.
4720         (c_common_stmt_codes): Remove FOR_STMT, WHILE_STMT, DO_STMT,
4721         BREAK_STMT, CONTINUE_STMT, and SWITCH_STMT.
4722         (build_continue_stmt, build_break_stmt): Don't declare.
4723         (c_do_switch_warnings): Update declaration.
4724         * c-gimplify.c (enum bc_t): Remove.
4725         (struct c_gimplify_ctx, ctxp): Remove.
4726         (push_context, pop_context): Remove static functions.
4727         (c_genericize): Don't call push_context or pop_context.
4728         (begin_bc_block, finish_bc_block): Remove static functions.
4729         (build_bc_goto): Likewise.
4730         (gimplify_c_loop): Likewise.
4731         (gimplify_for_stmt, gimplify_while_stmt): Likewise.
4732         (gimplify_do_stmt, gimplify_switch_stmt): Likewise.
4733         (c_gimplify_expr): Remove handling of FOR_STMT, WHILE_STMT,
4734         DO_STMT, SWITCH_STMT, CONTINUE_STMT, BREAK_STMT.
4735         * c-common.c (c_do_switch_warnings): Rename from
4736         c_do_switch_warnings_1.
4737         (c_do_switch_warnings) [old version]: Remove.
4738         (c_do_switch_expr_warnings): Remove.
4739         * c-typeck.c (c_finish_case): Call new c_do_switch_warnings
4740         function instead of c_do_switch_expr_warnings.
4741         * c-dump.c (c_dump_tree): Remove handling of BREAK_STMT,
4742         CONTINUE_STMT, DO_STMT, FOR_STMT, SWITCH_STMT, and WHILE_STMT.
4743         * c-pretty-print.c (pp_c_statement): Likewise.
4744         * c-semantics.c (build_break_stmt, build_continue_stmt): Remove.
4745
4746 2005-04-08  Devang Patel  <dpatel@apple.com>
4747
4748         * tree-if-conv.c (find_phi_replacement_condition): New parameter, loop.
4749         While selecting replacement condition pay attention to loop header.
4750
4751 2005-04-08  Diego Novillo  <dnovillo@redhat.com>
4752
4753         Merge from tree-cleanup-branch: VRP, store CCP, store
4754             copy-prop, incremental SSA updating of FUD chains and
4755             newly exposed symbols.
4756
4757         * Makefile.in (tree-ssa-copy.o): Depend on tree-ssa-propagate.h.
4758         (OBJS-common): Add tree-vrp.o.
4759         (tree-vrp.o): New rule.
4760         * basic-block.h (nearest_common_dominator_for_set): Declare.
4761         * common.opt (ftree-store-ccp): New flag.
4762         (ftree-copy-prop): New flag.
4763         (ftree-vrp): New flag.
4764         (ftree-store-copy-prop): New flag.
4765         * dominance.c (nearest_common_dominator_for_set): New.
4766         * domwalk.c (walk_dominator_tree): Only traverse
4767         statements in blocks marked in walk_data->interesting_blocks.
4768         * domwalk.h (struct dom_walk_data): Add field interesting_blocks.
4769         * fold-const.c (fold): Handle ASSERT_EXPR.
4770         * opts.c (decode_options): Set flag_tree_copy_prop at -O1.
4771         Set flag_tree_store_ccp, flag_tree_store_copy_prop and
4772         flag_tree_vrp at -O2.
4773         * timevar.def (TV_TREE_VRP): Define.
4774         (TV_TREE_COPY_PROP): Define.
4775         (TV_TREE_STORE_COPY_PROP): Define.
4776         (TV_TREE_SSA_INCREMENTAL): Define.
4777         (TV_TREE_STORE_CCP): Define.
4778         * tree-cfg.c (tree_can_merge_blocks_p): Remove reference
4779         to kill_redundant_phi_nodes from comment.
4780         (verify_expr): Handle ASSERT_EXPR.
4781         * tree-dfa.c (mark_new_vars_to_rename): Remove second
4782         argument.  Update all users.
4783         (mark_call_clobbered_vars_to_rename): Remove.  Update all
4784         users.
4785         * tree-flow-inline.h (unmodifiable_var_p): New.
4786         * tree-flow.h (enum value_range_type): Declare.
4787         (struct value_range_def): Declare.
4788         (value_range): Declare.
4789         (remove_all_phi_nodes_for): Remove.  Update all users.
4790         (find_phi_node_for): Declare.
4791         (add_type_alias): Declare.
4792         (count_uses_and_derefs): Declare.
4793         (kill_redundant_phi_nodes): Remove.
4794         (rewrite_into_ssa): Remove.
4795         (rewrite_def_def_chains): Remove.
4796         (update_ssa, register_new_name_mapping, create_new_def_for,
4797         need_ssa_update_p, name_registered_for_update_p,
4798         release_ssa_name_after_update_ssa, dump_repl_tbl,
4799         debug_repl_tbl, dump_names_replaced_by,
4800         debug_names_replaced_by, mark_sym_for_renaming,
4801         mark_set_for_renaming, get_current_def, set_current_def,
4802         get_value_range, dump_value_range, debug_value_range,
4803         dump_all_value_ranges, debug_all_value_ranges,
4804         expr_computes_nonzero, loop_depth_of_name,
4805         unmodifiable_var_p): Declare.
4806         * tree-gimple.c (is_gimple_formal_tmp_rhs): Handle
4807         ASSERT_EXPR.
4808         * tree-into-ssa.c (block_defs_stack): Update comment.
4809         (old_ssa_names, new_ssa_names, old_virtual_ssa_names,
4810         syms_to_rename, names_to_release, repl_tbl,
4811         need_to_initialize_update_ssa_p, need_to_update_vops_p,
4812         need_to_replace_names_p): New locals.
4813         (NAME_SETS_GROWTH_FACTOR): Define.
4814         (struct repl_map_d): Declare.
4815         (struct mark_def_sites_global_data): Add field
4816         interesting_blocks.
4817         (enum rewrite_mode): Declare.
4818         (REGISTER_DEFS_IN_THIS_STMT): Define.
4819         (compute_global_livein): Use last_basic_block instead of
4820         n_basic_blocks.
4821         (set_def_block): Remove last argument.  Update all callers.
4822         (prepare_use_operand_for_rename): Remove.  Update all callers.
4823         (prepare_def_operand_for_rename): Remove.  Update all callers.
4824         (symbol_marked_for_renaming): New.
4825         (is_old_name): New.
4826         (is_new_name): New.
4827         (repl_map_hash): New.
4828         (repl_map_eq): New.
4829         (repl_map_free): New.
4830         (names_replaced_by): New.
4831         (add_to_repl_tbl): New.
4832         (add_new_name_mapping): New.
4833         (mark_def_sites): Assume that all the operands in the
4834         statement are in normal form.
4835         (find_idf): Assert that the block in the stack is valid.
4836         (get_default_def_for): New.
4837         (insert_phi_nodes_for): Add new argument 'update_p'.
4838         Add documentation.
4839         If update_p is true, add a new mapping between the LHS of
4840         each new PHI and the name that it replaces.
4841         (insert_phi_nodes_1): Only call find_idf if needed.
4842         (get_reaching_def): Call get_default_def_for.
4843         (rewrite_operand): Remove.
4844         (rewrite_stmt): Do nothing if REGISTER_DEFS_IN_THIS_STMT
4845         and REWRITE_THIS_STMT are false.
4846         Assume that all the operands in the statement are in
4847         normal form.
4848         (rewrite_add_phi_arguments): Don't use PHI_REWRITTEN.
4849         (rewrite_virtual_phi_arguments): Remove.
4850         (invalidate_name_tags): Remove.
4851         (register_new_update_single, register_new_update_set,
4852         rewrite_update_init_block, replace_use,
4853         rewrite_update_fini_block, rewrite_update_stmt,
4854         rewrite_update_phi_arguments): New.
4855         rewrite_blocks): Remove argument 'fix_virtual_phis'.
4856         Add arguments 'entry', 'what' and 'blocks'.
4857         Initialize the dominator walker according to 'what' and
4858         'blocks'.
4859         Start the dominator walk at 'entry'.
4860         (mark_def_site_blocks): Add argument 'interesting_blocks'.
4861         Use it to configure the dominator walker.
4862         (rewrite_into_ssa): Remove argument 'all'.
4863         Make internal.
4864         (rewrite_all_into_ssa): Remove.
4865         (rewrite_def_def_chains): Remove.
4866         (mark_def_interesting, mark_use_interesting,
4867         prepare_phi_args_for_update, prepare_block_for_update,
4868         prepare_def_site_for, prepare_def_sites,
4869         dump_names_replaced_by, debug_names_replaced_by,
4870         dump_repl_tbl, debug_repl_tbl, init_update_ssa,
4871         delete_update_ssa, create_new_def_for,
4872         register_new_name_mapping, mark_sym_for_renaming,
4873         mark_set_for_renaming, need_ssa_update_p,
4874         name_registered_for_update_p, ssa_names_to_replace,
4875         release_ssa_name_after_update_ssa,
4876         insert_updated_phi_nodes_for, update_ssa): New.
4877         * tree-loop-linear.c (linear_transform_loops): Call
4878         update_ssa instead of rewrite_into_ssa.
4879         * tree-optimize.c (vars_to_rename): Remove.
4880         Update all users.
4881         (init_tree_optimization_passes): Replace
4882         pass_redundant_phi with pass_copy_prop.
4883         Add pass_vrp.
4884         Replace pass_ccp with pass_store_ccp.
4885         Add pass_store_copy_prop after pass_store_ccp.
4886         (execute_todo): If the TODO_ flags don't include updating
4887         the SSA form, assert that it does not need to be updated.
4888         Call update_ssa instead of rewrite_into_ssa and
4889         rewrite_def_def_chains.
4890         If TODO_verify_loops is set, call verify_loop_closed_ssa.
4891         (tree_rest_of_compilation):
4892         * tree-pass.h (TODO_dump_func, TODO_ggc_collect,
4893         TODO_verify_ssa, TODO_verify_flow, TODO_verify_stmts,
4894         TODO_cleanup_cfg): Renumber.
4895         (TODO_verify_loops, TODO_update_ssa,
4896         TODO_update_ssa_no_phi, TODO_update_ssa_full_phi,
4897         TODO_update_ssa_only_virtuals): Define.
4898         (pass_copy_prop, pass_store_ccp, pass_store_copy_prop, pass_vrp):
4899         Declare.
4900         * tree-phinodes.c (make_phi_node): Update documentation.
4901         (remove_all_phi_nodes_for): Remove.
4902         (find_phi_node_for): New.
4903         * tree-pretty-print.c (dump_generic_node): Handle ASSERT_EXPR.
4904         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Likewise.
4905         (interpret_rhs_modify_expr): Likewise.
4906         * tree-sra.c (decide_instantiations): Mark all symbols in
4907         SRA_CANDIDATES for renaming.
4908         (mark_all_v_defs_1): Rename from mark_all_v_defs.
4909         (mark_all_v_defs): New function.  Update all users to call it
4910         with the whole list of scalarized statements, not just the
4911         first one.
4912         * tree-ssa-alias.c (count_ptr_derefs): Make extern.
4913         (compute_flow_insensitive_aliasing): If the tag is
4914         unmodifiable and the variable isn't or vice-versa, don't
4915         make them alias of each other.
4916         (setup_pointers_and_addressables): If the type tag for
4917         VAR is about to change, mark the old one for renaming.
4918         (add_type_alias): New.
4919         * tree-ssa-ccp.c: Document SSA-CCP and STORE-CCP.
4920         (ccp_lattice_t): Rename from latticevalue.
4921         (value): Remove.  Update all users.
4922         (const_val): New local variable.
4923         (do_store_ccp): New local variable.
4924         (dump_lattice_value): Handle UNINITIALIZED.
4925         (debug_lattice_value): New.
4926         (get_default_value): Re-write.
4927         (set_lattice_value): Re-write.
4928         (def_to_varying): Remove.  Update all users.
4929         (likely_value): Return VARYING for statements that make
4930         stores when STORE_CCP is false.
4931         Return VARYING for any statement other than MODIFY_EXPR,
4932         COND_EXPR and SWITCH_EXPR.
4933         (ccp_initialize): Re-write.
4934         (replace_uses_in, replace_vuse_in, substitute_and_fold):
4935         Move to tree-ssa-propagate.c.
4936         (ccp_lattice_meet): Handle memory stores when
4937         DO_STORE_CCP is true.
4938         (ccp_visit_phi_node): Likewise.
4939         (ccp_fold): Likewise.
4940         (evaluate_stmt): Likewise.
4941         (visit_assignment): Likewise.
4942         (ccp_visit_stmt): Likewise.
4943         (execute_ssa_ccp): Add argument 'store_ccp'.  Copy it
4944         into DO_STORE_CCP.
4945         (do_ssa_ccp): New.
4946         (pass_ccp): Use it.
4947         (do_ssa_store_ccp): New.
4948         (gate_store_ccp): New.
4949         (pass_store_ccp): Declare.
4950         * tree-ssa-copy.c: Include tree-ssa-propagate.h.
4951         (may_propagate_copy): Reformat.
4952         Don't abort if ORIG is a virtual and DEST isn't.
4953         If NEW does not have alias information but DEST does,
4954         copy it.
4955         (copy_of, cached_last_copy_of, do_store_copy_prop, enum
4956         copy_prop_kind, which_copy_prop): Declare.
4957         (stmt_may_generate_copy, get_copy_of_val,
4958         get_last_copy_of, set_copy_of_val, dump_copy_of,
4959         copy_prop_visit_assignment, copy_prop_visit_cond_stmt,
4960         copy_prop_visit_stmt, copy_prop_visit_phi_node,
4961         init_copy_prop, fini_copy_prop, execute_copy_prop,
4962         gate_copy_prop, do_copy_prop, gate_store_copy_prop,
4963         store_copy_prop): New.
4964         (pass_copy_prop, pass_store_copy_prop): Declare.
4965         * tree-ssa-dom.c (struct opt_stats_d): Add fields
4966         'num_const_prop' and 'num_copy_prop'.
4967         (cprop_operand): Update them.
4968         (dump_dominator_optimization_stats): Dump them.
4969         (tree_ssa_dominator_optimize): Call update_ssa instead of
4970         rewrite_into_ssa.
4971         (loop_depth_of_name): Declare extern.
4972         (simplify_cond_and_lookup_avail_expr): Guard against NULL
4973         values for LOW or HIGH.
4974         (cprop_into_successor_phis): Only propagate if NEW != ORIG.
4975         (record_equivalences_from_stmt): Call expr_computes_nonzero.
4976         (cprop_operand): Only propagate if VAL != OP.
4977         * tree-ssa-dse.c (dse_optimize_stmt): Mark symbols in removed
4978         statement for renaming.
4979         * tree-ssa-loop-im.c (move_computations): Call update_ssa.
4980         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call
4981         add_type_alias if necessary.
4982         Call mark_new_vars_to_rename.
4983         (tree_ssa_iv_optimize): If new symbols need to be renamed,
4984         mark every statement updated, call update_ssa and
4985         rewrite_into_loop_closed_ssa.
4986         * tree-ssa-loop-manip.c (add_exit_phis): Do not remove DEF_BB
4987         from LIVEIN if VAR is a virtual.
4988         * tree-ssa-loop.c (tree_loop_optimizer_init): Call update_ssa.
4989         * tree-ssa-operands.c (get_expr_operands): Handle ASSERT_EXPR.
4990         (get_call_expr_operands): Reformat statement.
4991         (add_stmt_operand): Don't create V_MAY_DEFs for read-only
4992         symbols.
4993         * tree-ssa-propagate.c (ssa_prop_init): Initialize
4994         SSA_NAME_VALUE for every name.
4995         (first_vdef, stmt_makes_single_load, stmt_makes_single_store,
4996         get_value_loaded_by): New.
4997         (replace_uses_in, replace_vuses_in, replace_phi_args_in,
4998         substitute_and_fold): Move from tree-ssa-ccp.c.
4999         * tree-ssa-propagate.h (struct prop_value_d, prop_value_t,
5000         first_vdef, stmt_makes_single_load, stmt_makes_single_store,
5001         get_value_loaded_by, replace_uses_in, substitute_and_fold):
5002         Declare.
5003         * tree-ssa.c (verify_use): Fix error message.
5004         (propagate_into_addr, replace_immediate_uses, get_eq_name,
5005         check_phi_redundancy, kill_redundant_phi_nodes,
5006         pass_redundant_phi): Remove.  Update all users.
5007         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
5008         add_type_alias, if necessary.
5009         * tree-vectorizer.h (struct _stmt_vect_info): Update
5010         documentation for field 'memtag'.
5011         * tree-vrp.c: New file.
5012         * tree.def (ASSERT_EXPR): Define.
5013         * tree.h (ASSERT_EXPR_VAR): Define.
5014         (ASSERT_EXPR_COND): Define.
5015         (SSA_NAME_VALUE_RANGE): Define.
5016         (struct tree_ssa_name): Add field 'value_range'.
5017         (PHI_REWRITTEN): Remove.
5018         (struct tree_phi_node): Remove field 'rewritten'.
5019         * doc/invoke.texi (-fdump-tree-storeccp, -ftree-copy-prop,
5020         -ftree-store-copy-prop): Document.
5021         * doc/tree-ssa.texi: Remove broken link to McCAT's compiler.
5022         Document usage of update_ssa.
5023
5024 2005-04-08  David Edelsohn  <edelsohn@gnu.org>
5025
5026         PR target/20814
5027         * config/rs6000/predicates.md (altivec_register_operand): Accept
5028         SUBREG.
5029         (and64_operand): Do not limit CONST_INT to mask64_operand.
5030         (and64_2_operand): Do not limit CONST_INT to mask64_1or2_operand.
5031         (and_operand): Do not limit CONST_INT to mask_operand.
5032
5033 2005-04-09  Hans-Peter Nilsson  <hp@axis.com>
5034
5035         PR rtl-optimization/20466
5036         * flow.c (invalidate_mems_from_set): Handle a MEM by checking it
5037         for overlap of the address of each list member.
5038         (mark_set_1): Call invalidate_mems_from_set for MEMs too.
5039
5040 2005-04-08  Mike Stump  <mrs@apple.com>
5041
5042         * config/darwin.c (indirect_data): Fix typo in strncmp logic.
5043
5044         * config/rs6000/rs6000.c (rs6000_emit_prologue): Use 5 nops,
5045         instead of 4.
5046
5047 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
5048
5049         * c-tree.h (C_LANG_TREE_NODE_CHAIN_NEXT): Remove.
5050
5051         * function.c (push_function_context_to): Don't set
5052         contains_functions.
5053         * function.h (function): Remove contains_functions.
5054         (current_function_contains_functions): Remove.
5055
5056         * function.h (function): Remove instrument_entry_exit.
5057         (current_function_instrument_entry_exit): Remove.
5058
5059         * function.h (nonlocal_labels): Remove.
5060
5061         * tree.h (STRIP_MAIN_TYPE_NOPS): Remove.
5062
5063         * genattrtab.c (attr_desc): Remove negative_ok and unsigned_p.
5064         (check_attr_value, write_attr_get, write_expr_attr_cache,
5065         find_attr, make_internal_attr): Don't reference negative_ok or
5066         unsigned_p.
5067         * genattrtab.h (ATTR_NEGATIVE_OK, ATTR_UNSIGNED,
5068         ATTR_FUNC_UNITS, ATTR_BLOCKAGE): Remove.
5069         (ATTR_STATIC): Adjust the value.
5070
5071         * c-common.h (C_ARTIFICIAL_STRING_P): Remove.
5072
5073 2005-04-08  Ulrich Weigand  <uweigand@de.ibm.com>
5074
5075         * config/s390/tpf.h (ASM_SPEC): Define.
5076
5077 2005-04-08  Kazu Hirata  <kazu@cs.umass.edu>
5078
5079         * tree-flow.h: Remove the prototype for
5080         redirect_immediate_uses.
5081         (TDFA_USE_OPS, TDFA_USE_VOPS): Remove.
5082
5083 2005-04-08  Richard Earnshaw  <richard.earnshaw@arm.com>
5084
5085         * arm.c (arm_const_double_by_parts): New function.
5086         * arm-protos.h (arm_const_double_by_parts): Add prototype.
5087         * arm.md (define_split for 64-bit constants): Add another one.
5088
5089 2005-04-08  Andrew MacLeod  <amacleod@redhat.com>
5090
5091         * tree-ssa-operands.c (correct_use_link): Remove linear scan.
5092
5093 2005-04-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5094
5095         * system.h: Revert last change.
5096
5097 2005-04-08  Richard Sandiford  <rsandifo@redhat.com>
5098
5099         * config/xtensa/xtensa.h (target_flags, MASK_NO_FUSED_MADD)
5100         (MASK_CONST16, TARGET_NO_FUSED_MADD, TARGET_CONST16)
5101         (TARGET_SWITCHES): Delete.
5102         * config/xtensa/xtensa.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
5103         * config/xtensa/xtensa.md (muladdsf3, mulsubsf3): Check
5104         TARGET_FUSED_MADD instead of !TARGET_NO_FUSED_MADD.
5105         * config/xtensa/xtensa.opt: New file.
5106
5107 2005-04-08  Ben Elliston  <bje@au.ibm.com>
5108
5109         * config/fp-bit.c: Include L_mul_tf in #endif comment.
5110         * config/fp-bit.h: Tidy comments.
5111
5112 2005-04-07  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
5113
5114         * system.h: Poison PARAMS.
5115
5116 2005-04-07  Richard Sandiford  <rsandifo@redhat.com>
5117
5118         * config/vax/vax.h (target_flags, MASK_UNIX_ASM, MASK_VAXC_ALIGNMENT)
5119         (MASK_G_FLOAT, TARGET_UNIX_ASM, TARGET_VAXC_ALIGNMENT, TARGET_G_FLOAT)
5120         (TARGET_SWITCHES): Delete.
5121         * config/vax/vax.c (TARGET_DEFAULT_TARGET_FLAGS): Override default.
5122         * config/vax/vax.opt: New file.
5123
5124 2005-04-07  Daniel Berlin  <dberlin@dberlin.org>
5125
5126         * tree-ssa-dse.c (dse_optimize_stmt): Fix incorrect comment.
5127
5128 2005-04-07  Ian Lance Taylor  <ian@airs.com>
5129
5130         * config/iq2000/iq2000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Don't
5131         define.
5132         * config/mips/mips.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Likewise.
5133         * config/sparc/sparc.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE):
5134         Likewise.
5135
5136 2005-04-07  Kazu Hirata  <kazu@cs.umass.edu>
5137
5138         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Consider
5139         all immediate uses in PHI nodes.
5140
5141 2005-04-07  Richard Earnshaw  <richard.earnshaw@arm.com>
5142
5143         * arm.c (arm_const_double_inline_cost): Handle any constant by
5144         using gen_lowpart and gen_highpart_mode.
5145         (note_invalid_constants): All constants in an RTX with a constraint
5146         that permits memory are now pushed to the constant pool.
5147         (output_move_double): Delete code to handle reg to reg and
5148         constant to reg moves.
5149         (const_double_needs_minipool, output_mov_immediate): Delete.
5150         * arm.h (EXTRA_CONSTRAINT_STR_ARM): All 'D' variants now handle
5151         CONST_INT and CONST_VECTOR.
5152         * arm.md (ANY64): New mode macro.
5153         (arm_movdi): Split reg-reg and const-reg moves.  Simplify constraints.
5154         (movdf_soft_insn): Split reg-reg and const-reg moves.
5155         (split patterns for 64-bit constant and register moves): New.
5156         * cirrus.md (cirrus_arm_movdi): Split reg-reg and const-reg moves.
5157         (cirrus_movdf_hard_insn): Likewise.
5158         * fpa.md (movdf_fpa): Likewise.
5159         * iwmmxt.md (iwmmxt_arm_movdi): Likewise.
5160         (movv8qi_internal, movv4hi_internal, movv2si_internal): Fix
5161         constraints.
5162         (movv2si_internal_2): Likewise.
5163         * vfp.md (arm_movdi_vfp): Split reg-reg and const-reg moves.
5164         (movdf_vfp): Likewise.
5165         * arm-protos.h (output_mov_immediate): Delete prototype.
5166
5167 2005-04-07  Joseph S. Myers  <joseph@codesourcery.com>
5168
5169         PR target/20093
5170         * simplify-rtx.c (simplify_unary_operation_1): Check
5171         SUBREG_PROMOTED_UNSIGNED_P (op) > 0 for zero-extension.
5172
5173 2005-04-06  James E Wilson  <wilson@specifixinc.com>
5174
5175         PR target/20717
5176         * cgraphunit.c (record_call_1, case FDESC_EXPR): Handle same as
5177         ADDR_EXPR.
5178
5179 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
5180
5181         * coverage.h (GCOV_TYPE_NODE): Delete.
5182         * coverage.c (coverage_counter_alloc, tree_coverage_counter_ref)
5183         (build_ctr_info_type): Use get_gcov_type () instead of GCOV_TYPE_NODE.
5184         * tree-profile.c (tree_gen_edge_profiler, tree_gen_interval_profiler)
5185         (tree_gen_pow2_profiler, tree_gen_one_value_profiler): Likewise.
5186         * value-prof.c (tree_divmod_fixed_value_transform): Delete.
5187
5188 2004-04-06  Richard Sandiford  <rsandifo@redhat.com>
5189
5190         PR other/20792
5191         * Makefile.in (gcc.pot): Remove options.c dependency.
5192         * optc-gen.awk: Don't quote help strings with N_().
5193
5194 2005-04-06  James A. Morrison  <phython@gcc.gnu.org>
5195
5196         * c-common.c (handle_malloc_atttribute): Only set DECL_IS_MALLOC if
5197         the function returns a pointer type.
5198
5199 2005-04-06  Daniel Berlin  <dberlin@dberlin.org>
5200
5201         * params.def (PARAM_SALIAS_MAX_IMPLICIT_FIELDS): New
5202         * params.h (SALIAS_MAX_IMPLICIT_FIELDS): New
5203         * doc/invoke.texi: Documnet salias-max-implicit-fields.
5204         * tree-ssa-alias.c (struct used_part): Add implicit_uses and
5205         explicit_uses members.
5206         (get_or_create_used_part_for): Initialize new fields.
5207         (fieldoff_compare): New function.
5208         (create_overlap_variables_for): Count number of fields, use
5209         heuristic to determine whether to create subvars for vars with
5210         only implicit uses.
5211         Sort the field list by offset and avoid creating duplicate SFT's.
5212
5213 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
5214
5215         * c.opt (-F): Remove trailing whitespace from help string.
5216         (-finput-charset): Use a tab to separate the switch name and help
5217         string.
5218         * common.opt (-fsched-stalled-insns, -fsched-stalled-insns-dep)
5219         (-ftree-vectorizer-verbose): Likewise.
5220
5221 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
5222
5223         * tree-ssa-sink.c (nearest_common_dominator_of_uses): Look at
5224         a PHI argument where a use occurs instead of all PHI arguments.
5225
5226 2005-04-06  Joseph S. Myers  <joseph@codesourcery.com>
5227
5228         * c-decl.c (finish_decl): Apply pending #pragma weak regardless of
5229         scope.
5230
5231 2005-04-06  Kazu Hirata  <kazu@cs.umass.edu>
5232
5233         * cse.c, tree-flow-inline.h, tree-flow.h, tree-ssa-operands.c,
5234         tree-ssa-sink.c, tree.h, config/bfin/bfin.c,
5235         config/bfin/bfin.h: Fix comment typos.
5236
5237 2005-04-06  Ranjit Mathew  <rmathew@hotmail.com>
5238
5239         * doc/install.texi: Update the URL for Jacks.
5240         * doc/sourcebuild.texi: Likewise.
5241
5242 2005-04-06  Eric Botcazou  <ebotcazou@libertysurf.fr>
5243
5244         PR target/17245
5245         * config/sparc/sparc.c (legitimate_address_p): Remove 'imm2'.
5246         Revert 2004-10-08 patch.  Reject TFmode LO_SUM in 32-bit mode.
5247
5248 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
5249
5250         * Makefile.in (LIBGCC2_CFLAGS): Revert -pipe change.
5251
5252 2005-04-06  Richard Sandiford  <rsandifo@redhat.com>
5253
5254         * config/v850/v850-protos.h (override_options): Delete.
5255         * config/v850/v850.h (target_flags, MASK_GHS, MASK_LONG_CALLS, MASK_EP)
5256         (MASK_PROLOG_FUNCTION, MASK_DEBUG, MASK_V850, MASK_V850E)
5257         (MASK_SMALL_SLD, MASK_BIG_SWITCH, MASK_NO_APP_REGS, MASK_DISABLE_CALLT)
5258         (MASK_STRICT_ALIGN, MASK_US_BIT_SET, MASK_US_MASK_SET, TARGET_GHS)
5259         (TARGET_LONG_CALLS, TARGET_EP, TARGET_PROLOG_FUNCTION, TARGET_V850)
5260         (TARGET_BIG_SWITCH, TARGET_DEBUG, TARGET_V850E, TARGET_US_BIT_SET)
5261         (TARGET_SMALL_SLD, TARGET_DISABLE_CALLT, TARGET_NO_APP_REGS)
5262         (TARGET_STRICT_ALIGN, TARGET_SWITCHES, TARGET_OPTIONS)
5263         (OVERRIDE_OPTIONS): Delete.
5264         (MASK_CPU): Redefine as MASK_V850 | MASK_V850E.
5265         (small_memory_info): Remove the value field.
5266         (CONDITIONAL_REGISTER_USAGE): Check !TARGET_APP_REGS rather than
5267         TARGET_NO_APP_REGS.
5268         * config/v850/v850.c (small_memory): Remove the value field.
5269         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5270         (override_options): Delete.
5271         (v850_handle_memory_option, v850_handle_option): New functions.
5272         * config/v850/v850.opt: New file.
5273
5274 2005-04-06  Geoffrey Keating  <geoffk@apple.com>
5275
5276         * config.host: Add a section for generic hosts, and a subsection
5277         for Darwin.  Add a case for x86-darwin.  Update ppc-darwin case.
5278         * config/host-darwin.c: New, split out of config/rs6000/host-darwin.c.
5279         * config/host-darwin.h: New.
5280         * config/x-darwin: New.
5281         * config/i386/host-i386-darwin.c: New.
5282         * config/i386/x-darwin: New.
5283         * config/rs6000/host-darwin.c: Include host-darwin.h.
5284         (darwin_rs6000_gt_pch_get_address): Move to config/host-darwin.c.
5285         (darwin_rs6000_gt_pch_use_address): Likewise.
5286         * config/rs6000/x-darwin: Change name of .o built, update
5287         dependencies for changes to rs6000/host-darwin.c.
5288
5289 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
5290
5291         PR target/17824
5292         * config/c4x/c4x.h (ASM_PROG, LD_PROG): Remove.
5293
5294 2005-04-06  Dorit Naishlos  <dorit@il.ibm.com>
5295
5296         * tree-vect-analyze.c (vect_analyze_loop_form): Call
5297         split_loop_exit_edge instead of loop_split_edge_with.
5298
5299 2005-04-06  Paolo Bonzini  <bonzini@gnu.org>
5300
5301         * config/rs6000/altivec.md (UNSPEC_VSLW, UNSPEC_SUBS,
5302         UNSPEC_SET_VSCR): New constants, used throughout.
5303         (*andc3_v4sf): New.
5304         (altivec_vspltisb, altivec_vsplitish, altivec_vsplitisw):
5305         Replace with...
5306         (altivec_vspltis<VI_char>): ... this pattern, using
5307         a QImode const_int_operand for the immediate.
5308         (abs<mode>2, absv4sf2, altivec_abss_<mode>): Rewrite as
5309         define_expands.
5310
5311 2005-04-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
5312
5313         PR target/17822
5314         * config/avr/t-avr (AR_FOR_TARGET,RANLIB_FOR_TARGET): Remove.
5315
5316 2005-04-06  Kelley Cook  <kcook@gcc.gnu.org>
5317
5318         * Makefile.in (LIBGCC2_CFLAGS): Compile with -pipe.
5319
5320 2005-04-06  Ben Elliston  <bje@au.ibm.com>
5321
5322         * gcc.c: Correct comment about DEFAULT_SWITCH_TAKES_ARG and
5323         DEFAULT_WORD_SWITCH_TAKES_ARG which incorrectly reported these
5324         macros as living in "this file" and not gcc.h.
5325
5326 2005-04-06  Ben Elliston  <bje@au.ibm.com>
5327
5328         * doc/invoke.texi (Optimize Options): Mention -ftree-lrs, not
5329         -ftree-live_range_split.  Perhaps renamed at some point?
5330
5331 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
5332
5333         PR target/20625
5334         * tree-ssa-loop-ivopts.c (generic_type_for): New function.
5335         (add_candidate_1): Use generic_type_for instead of unsigned_type_for.
5336
5337 2005-04-06  Zdenek Dvorak  <dvorakz@suse.cz>
5338
5339         * tree-flow.h (number_of_iterations_cond): Declaration removed.
5340         * tree-ssa-loop-niter.c (number_of_iterations_cond): Made static.
5341         (number_of_iterations_special): New function.
5342         (number_of_iterations_exit): Use number_of_iterations_special.
5343         Use simplify_using_outer_evolutions only at -O3.
5344         (number_of_iterations_cond, tree_simplify_using_condition,
5345         simplify_using_initial_conditions, loop_niter_by_eval,
5346         compare_trees, can_count_iv_in_wider_type_bound,
5347         simplify_using_outer_evolutions): Use fold_build.
5348
5349 2005-04-05  Thomas Fitzsimmons  <fitzsim@redhat.com>
5350
5351         * doc/install.texi (Configuration): Document --with-java-home.
5352
5353 2005-04-05  Richard Henderson  <rth@redhat.com>
5354
5355         PR target/20342
5356         PR target/20447
5357         * config/i386/i386.c (print_operand): Handle vector zeros.
5358         (ix86_split_to_parts): Handle CONST_VECTOR.
5359         (ix86_hard_regno_mode_ok): Allow MMX modes in general regs.
5360         (ix86_modes_tieable_p): Use ix86_hard_regno_mode_ok to decide
5361         what modes to tie for MMX and SSE registers.
5362         * config/i386/i386.h (MMX_REG_MODE_P): Remove.
5363         * config/i386/i386.md: Extend move 0 -> xor peephole to apply
5364         to vector modes as well.
5365         * config/i386/predicates.md (const0_operand): Handle VOIDmode
5366         properly as an input mode.
5367
5368 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
5369
5370         * tree-ssa-operands.c (verify_abort): Use %p for pointers.
5371
5372 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
5373
5374         * tree-pretty-print.c (dump_generic_node): Use %p for pointer.
5375
5376 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
5377
5378         * config/i386/i386.c (init_cumulative_args): For -m32 -mfpmath=sse
5379         and local functions, set sse_nregs to 8 and float_in_sse.
5380         (function_arg_advance, function_arg): If float_in_sse, pass
5381         SFmode and DFmode arguments in SSE registers.
5382         * config/i386/i386.h (CUMULATIVE_ARGS): Add float_in_sse field.
5383
5384         * config/i386/i386.c (ix86_value_regno): Only optimize local functions
5385         of -funit-at-a-time.
5386
5387 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
5388
5389         * config/i386/i386-protos.h (ix86_function_value): Accept two
5390         arguments, like the target macro.
5391         * config/i386/i386.h (FUNCTION_VALUE): Pass both arguments.
5392         * config/i386/i386.c (ix86_function_value): Accept the second
5393         argument of the target macro.
5394         (ix86_function_ok_for_sibcall): Pass a function pointer to
5395         ix86_function_value.
5396         (ix86_function_value, ix86_libcall_value) [!TARGET_64BIT]: Adjust
5397         call to ix86_value_regno).
5398         (ix86_value_regno): Add support for returning floating point values
5399         in SSE registers.
5400
5401 2005-04-05  Jakub Jelinek  <jakub@redhat.com>
5402
5403         PR tree-optimization/20076
5404         * tree-inline.c (inline_forbidden_p_1): Prevent inlining functions
5405         that call __builtin_return or __builtin_apply_args.
5406
5407 2005-04-05  Andrew MacLeod  <amacleod@redhat.com>
5408
5409         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use update_stmt.
5410         Use immediate use iterator.
5411         (stmt_is_bumper_for_loop): Use immediate use iterator.
5412         * predict.c (strip_builtin_expect): Use update_stmt.
5413         * tree-cfg.c (update_modified_stmts): New. Call update_stmt_if_modified
5414         on all elements of a STATEMENT_LIST.
5415         (bsi_insert_before, bsi_insert_after): Call update_modified_stmts.
5416         (bsi_remove): Remove imm_use links and mark the stmt as modified.
5417         (bsi_replace): Mark stmt as modified and the update it.
5418         * tree-complex.c (update_complex_assignment): Call mark_stmt_modified.
5419         (expand_complex_libcal): Call update_stmt.
5420         (expand_complex_comparison): Call mark_stmt_modified.
5421         (expand_complex_operations_1): Call update_stmt_if_modified.
5422         (expand_vector_operations_1): Call mark_stmt_modified.
5423         * tree-dfa.c (compute_immediate_uses, free_df_for_stmt, free_df,
5424         compute_immediate_uses_for_phi, compute_immediate_uses_for_stmt,
5425         add_immediate_use, redirect_immediate_use,
5426         redirect_immediate_uses, dump_immediate_uses, debug_immediate_uses,
5427         dump_immediate_uses_for, debug_immediate_uses_for): Delete.
5428         (mark_new_vars_to_rename): Call update_stmt.
5429         * tree-dump.c (dump_option_value_in): Add "stmtaddr".
5430         * tree-flow-inline.h (modify_stmt): Rename to mark_stmt_modified.
5431         Ignore PHI nodes.
5432         (unmodify_stmt): Delete.
5433         (update_stmt): New.  Force an update of a stmt.
5434         (update_stmt_if_modified): update a stmt if it is out of date.
5435         (get_stmt_operands): Verify stmt is NOT modified.
5436         (stmt_modified_p): Update comment.
5437         (delink_imm_use): Remove a use node from its immuse list.
5438         (link_imm_use_to_list): Link a use node to a specific list.
5439         (link_imm_use): Link a node to the correct list.
5440         (set_ssa_use_from_ptr): Set a use node to a specific value, and insert
5441         it in the correct list, if appropriate.
5442         (link_imm_use_stmt): Link a use node, and set the stmt pointer.
5443         (relink_imm_use): Link a use node in place of another node in a list.
5444         (relink_imm_use_stmt): LInk a node in place of another node, and set
5445         the stmt pointer.
5446         (end_safe_imm_use_traverse): New.  Terminate a safe immuse iterator.
5447         (end_safe_imm_use_p): New.  Check for the end of a safe immuse iterator.
5448         (first_safe_imm_use): New.  Initialize a safe immuse iterator.
5449         (next_safe_imm_use): New.  Proceed to next safe immuse iterator value.
5450         (end_readonly_imm_use_p): New.  Check for end of a fast immuse iterator.
5451         (first_readonly_imm_use): New.  Initialize a fast immuse iterator.
5452         (next_readonly_imm_use): New.  Get the next fast immuse iterator value.
5453         (has_zero_uses): New.  Return true if there are no uses of a var.
5454         (has_single_use): New.  Return true if there is only a single use of a
5455         variable.
5456         (single_imm_use): New.  Return the simgle immediate use.
5457         (num_imm_uses): New.  Return the number of immediate uses.
5458         (get_v_must_def_ops): Use is now a pointer.
5459         (use_operand_p, get_v_may_def_op_ptr, get_vuse_op_ptr,
5460         get_v_must_def_kill_ptr, get_phi_arg_def_ptr): Return the address of
5461         the use node.
5462         (get_immediate_uses, num_immediate_uses, immediate_use): Delete.
5463         (delink_stmt_imm_use): Delink all immuses from a stmt.
5464         (phi_arg_index_from_use): New.  Return a phi arg index for a use.
5465         * tree-flow.h (struct dataflow_d): Delete.
5466         (immediate_use_iterator_d): New.  Immediate use iterator struct.
5467         (FOR_EACH_IMM_USE_FAST): New.  Macro for read only immuse iteration.
5468         (FOR_EACH_IMM_USE_SAFE): New.  Macro for write-safe immuse iteration.
5469         (BREAK_FROM_SAFE_IMM_USE): New.  Macro for earlyu exit from write-safe
5470         iteration.
5471         (struct stmt_ann_d): Remove dataflow_t from struct.
5472         * tree-if-conv.c (tree_if_conversion).  Don't call free_df.
5473         (if_convertible_phi_p): Use FAST immuse iterator.
5474         (if_convertible_loop_p): Don't call compute_immediate_uses.
5475         (replace_phi_with_cond_modify_expr): Call update_stmt.
5476         * tree-into-ssa.c (mark_def_sites, ssa_mark_def_sites): Call
5477         update_stmt_if_modified.
5478         (rewrite_all_into_ssa): Initialize ssa operands.
5479         * tree-loop-linear.c (linear_transform_loops): Don't call free_df or
5480         compute_immediate_uses.
5481         * tree-optimize.c (execute_todo): Call verify_ssa whenever the
5482         ssa_property is available.
5483         (execute_one_pass):  Change parameters passed to execute_todo.
5484         * tree-outof-ssa.c (rewrite_trees): Don't call modify_stmt.
5485         (remove_ssa_form): Call fini_ssa_operands.
5486         (insert_backedge_copies): Delete call to modify_stmt.
5487         * tree-phinodes.c (make_phi_node): Initialize use nodes.
5488         (release_phi_node): Delink any use nodes before releasing.
5489         (resize_phi_node): Relink any use nodes.
5490         (remove_phi_arg_num): Delink the use node.
5491         (remove_phi_node): Release the ssa_name AFTER releasing the phi node.
5492         (remove_all_phi_nodes_for): Release phi node first.
5493         * tree-pretty-print.c (dump_generic_node): Print stmt address.
5494         * tree-sra.c (mark_all_v_defs): Call update_stmt_if_modified.
5495         (scalarize_use, scalarize_copy): Call update_stmt.
5496         * tree-ssa-alias.c (compute_may_aliases): Update all modified stmts.
5497         (compute_points_to_and_addr_escape): Call mark_stmt_modified.
5498         * tree-ssa-cpp.c (need_imm_uses_for): Delete.
5499         (ccp_initialize): Remove call to compute_immediate_uses.
5500         (substitute_and_fold, execute_fold_all_builtins): Call update_stmt.
5501         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Update all modified
5502         stmts.
5503         (simplify_cond_and_lookup_avail_expr): Call mark_stmt_modified.
5504         (simplify_switch_and_lookup_avail_expr): Call mark_stmt_modified.
5505         (eliminate_redundant_computations): Call mark_stmt_modified.
5506         (cprop_operand): Call mark_stmt_modified.
5507         (optimize_stmt): Call update_stmt_if_modified and mark_stmt_modified.
5508         * tree-ssa-dse.c (fix_phi_uses, fix_stmt_v_may_defs): Delete.
5509         (dse_optimize_stmt): Use new immuse interface.
5510         (tree_ssa_dse): Remove calls to compute_immediate_uses and free_df.
5511         * tree-ssa-forwprop.c (need_imm_uses_for): Delete.
5512         (substitute_single_use_vars): Use new immuse interface.
5513         (tree_ssa_forward_propagate_single_use_vars): Remove calls to free_df
5514         and compute_immediate_uses.
5515         * tree-ssa-loop-im.c (single_reachable_address): Use new immuse
5516         interface.
5517         (rewrite_mem_refs): Call update_stmt.
5518         (determine_lsm): Remove call to compute_imm_uses and free_df.
5519         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Call update_stmt.
5520         (try_unroll_loop_completely): Call update_stmt.
5521         * tree-ssa-loop-ivopts.c (rewrite_address_base): Call update_stmt.
5522         (rewrite_use_compare): Call update_stmt.
5523         (compute_phi_arg_on_exit): Insert each stmt before trying to process.
5524         (rewrite_use) : Call update_stmt.
5525         * tree-ssa-loop-manip.c (verify_loop_closed_ssa): Add arg to call.
5526         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Call
5527         update_stmt.
5528         * tree-ssa-operands.c (NULL_USE_OPERAND_P): Remove declaration.
5529         (allocate_use_optype, allocate_vuse_optype): Adjust allocation size.
5530         (free_uses, free_vuses, free_v_may_defs, free_v_must_defs): Delink
5531         use nodes.
5532         (initialize_vuse_operand): New.  Initialize a vuse operand.
5533         (initialize_v_may_def_operand): New.  Initialize a maydef operand.
5534         (initialize_v_must_def_operand): New.  Initialize a mustdef operand.
5535         (finalize_ssa_defs): Use stmt parameter.
5536         (correct_use_link): Ensure a use node is in the correct list, and has
5537         the correct stmt pointer.
5538         (finalize_ssa_uses, finalize_ssa_v_may_defs, finalize_ssa_vuses,
5539         finalize_ssa_v_must_defs): Also initialize use nodes.
5540         (finalize_ssa_stmt_operands): Pass extra stmt operands.
5541         (build_ssa_operands): Seperate parsing from final operand construction.
5542         (parse_ssa_operands): New.  Parse entry point for operand building.
5543         (swap_tree_operands): New.  Swap 2 tree operands.
5544         (update_stmt_operands): Ranamed from get_stmt_operands.  Always builds
5545         operands.
5546         (get_expr_operands): Call swap_tree_operands when needed.
5547         (copy_virtual_operands): Use initialize routines for virtual use ops.
5548         (create_ssa_artficial_load_stmt): Add extra stmt parameter.
5549         (verify_abort): New.  Issue imm_use error.
5550         (verify_imm_links): New Verify imm_use links for a var.
5551         (dump_immediate_uses_for): New.  Dump imm_uses for a var to file.
5552         (dump_immediate_uses): New.  Dump imm_uses for all vars to file.
5553         (debug_immediate_uses): New.  Dump imm_uses for all vars to stderr.
5554         (debug_immediate_uses_for): New.  Dump imm_uses for a var to stderr.
5555         * tree-ssa-operands.h (struct use_operand_ptr): Delete.
5556         (NULL_USE_OPERAND_P) Define.
5557         (use_optype_d, v_def_use_operand_type, vuse_optype_d): Add immediate
5558         use node.
5559         (struct vuse_operand_type): New struct.
5560         (SET_USE): Call set_ssa_use_from_ptr.
5561         (USE_STMT): Define.
5562         (PHI_ARG_INDEX_FROM_USE): Define.
5563         * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Set the phi
5564         argument via SET_USE, not PHI_ARG_DEF_TREE.
5565         * tree-ssa-pre.c (eliminate): Call update_stmt.
5566         * tree-ssa-propagate.c (cfg_blocks_get): Use imm_use iterators.  Don't
5567         call free_df.
5568         * tree-ssa-sink.c (all_immediate_uses_same_place): Use imm_use iterator.
5569         (nearest_common_dominator_of_uses): Use imm_use iterator.
5570         (statement_sink_location): Use imm_use iterator and interface.
5571         (execute_sink_code): Don't call compute_immediate_uses or free-df.
5572         * tree-ssa-threadupdate.c (create_edge_and_update_destination_phis): Use
5573         PHI_ARG_DEF, not PHI_ARG_DEF_TREE.
5574         * tree-ssa.c (verify_use, verify_phi_args): Verify some imm_use info.
5575         (verify_ssa): Ensure no stmt is marked modify after optimization pass
5576         if new parameter is true.
5577         (init_tree_ssa): Don't initialize operand cache here.
5578         (delete_tree_ssa): Don't destroy operand cache here.
5579         (propagate_into_addr): Pass in a use pointer, return true if anything
5580         was changed.
5581         (replace_immediate_uses): Use imm_use iterator, call update_stmt.
5582         (check_phi_redundancy): Use imm_use iterator.
5583         (kill_redundant_phi_nodes): Don't call compute_immediate_uses or
5584         free_df.
5585         * tree-ssanames.c (make_ssa_name): Initialize imm_use node.
5586         (release_ssa_name): Delink node and all elements in its imm_use list.
5587         * tree-tailcall.c (adjust_return_value): Call update_stmt.
5588         * tree-vect-analyze.c (vect_stmt_relevant_p): Use imm_use iterator.
5589         * tree-vectorizer.c (need_imm_uses_for): Delete.
5590         (vectorize_loops): Dont call compute_immediate_uses or free_df.
5591         * tree.h (struct ssa_imm_use_d): Define.
5592         (SSA_NAME_IMM_USE_NODE): Define.
5593         (struct tree_ssa_name): Add imm_use node.
5594         (PHI_DF): Delete.
5595         (PHI_ARG_IMM_USE_NODE): Define.
5596         (struct phi_arg_d): Add imm_use node.
5597         (struct tree_phi_node): Remove struct dataflow_d element.
5598         (TDF_STMTADDR): Define.
5599
5600 2005-04-05  Dale Johannesen  <dalej@apple.com>
5601
5602         * doc/invoke.texi (Optimization Options):  Remove
5603         duplicate -fcse-follow-jumps.  Add -fweb.
5604         (-ftree-lim):  Fix spelling (-ftree-loop-im, invariants).
5605         (-fivcanon):  Fix spelling (-ftree-loop-ivcanon).
5606
5607 2005-04-05  Per Bothner  <per@bothner.com>
5608
5609         * tree-ssa.c (execute_early_warn_uninitialized): Pass context node
5610         to talk_tree as 'data' parameter, rather than EXPR_LOCUS.
5611         (warn_uninit): Get EXPR_LOCUS from context now instead.
5612         This fixes a USE_MAPPED_LOCATION testsuite failure.
5613
5614         * tree-ssa.c (warn_uninitialized_var): Remove useless local.
5615
5616 2005-04-05  Per Bothner  <per@bothner.com>
5617
5618         * c-decl.c (finish_function): If USE_MAPPED_LOCATION set the location
5619         of the artification 'return 0' in main() to BUILTINS_LOCATION.
5620         * tree-cfg.c (remove_bb): Check that location isn't BUILTINS_LOCATION
5621         before warning.
5622
5623 2004-04-05  Devang Patel  <dpatel@apple.com>
5624
5625         * config/rs600/altivec.md (altivec_vsr<VI_char>): Rename to ..
5626         (lhsr<mode>3): ... new name.
5627         (altivec_vsra<VI_char>): Rename to ..
5628         (ashr<mode>3): ... new name.
5629         * config/rs6000/rs6000.c (builtin_description): Rename shift
5630         operations.
5631
5632 2004-04-05  Paolo Bonzini  <bonzini@gnu.org>
5633
5634         * combine.c (RTL_HOOKS_GEN_LOWPART_NO_EMIT): Use
5635         gen_lowpart_for_combine.
5636         * cse.c (gen_lowpart_if_possible): Move...
5637         * rtlhooks.c (gen_lowpart_if_possible): ... here.  Also try
5638         gen_lowpart_SUBREG.
5639         (gen_lowpart_no_emit_general): Use it.
5640
5641 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
5642
5643         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Undefine before
5644         overriding.
5645
5646 2005-04-05  Paolo Bonzini  <bonzini@gnu.org>
5647
5648         * system.h: Fix typo.
5649
5650 2005-04-05  Bernd Schmidt  <bernd.schmidt@analog.com>
5651
5652         * config/bfin/bfin-modes.def: New file.
5653         * config/bfin/bfin-protos.h: New file.
5654         * config/bfin/bfin.c: New file.
5655         * config/bfin/bfin.h: New file.
5656         * config/bfin/bfin.md: New file.
5657         * config/bfin/bfin.opt: New file.
5658         * config/bfin/crti.s: New file.
5659         * config/bfin/crtn.s: New file.
5660         * config/bfin/elf.h: New file.
5661         * config/bfin/lib1funcs.asm: New file.
5662         * config/bfin/predicates.md: New file.
5663         * config/bfin/t-bfin: New file.
5664         * config/bfin/t-bfin-elf: New file.
5665         * doc/extend.texi (exception_handler, kspisusp, nesting, nmi_handler):
5666         Document new attributes.
5667         (interrupt, interrupt_handler, saveall): Update documentation for
5668         these attributes.
5669         * doc/install.texi (Specific): Add entry for the Blackfin.
5670         * doc/invoke.texi (Blackfin Options): New section.
5671         * doc/md.texi (Blackfin family): New section to document constraints.
5672         * config.gcc: Add bfin*-* and bfin*-elf configurations.
5673
5674 2005-04-05  Olivier Hainque  <hainque@adacore.com>
5675
5676         * config/mips/iris6.h (DWARF_FRAME_RETURN_COLUMN): Redefine to
5677         match what the system unwinder expects.
5678         * config/mips/mips.c (mips_frame_set): If we're saving the return
5679         address register and the dwarf return address column number differs
5680         from the hard register number, adjust the note reg to refer to the
5681         former.
5682
5683 2004-04-05  Richard Sandiford  <rsandifo@redhat.com>
5684
5685         * config/mn10300/mn10300-protos.h (mn10300_override_options): Declare.
5686         * config/mn10300/mn10300.h (target_flags, TARGET_MULT_BUG)
5687         (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
5688         (processor_type): New enum.
5689         (mn10300_processor): New variable.
5690         (TARGET_AM33, TARGET_AM33_2): Redefine in terms of mn10300_processor.
5691         (PROCESSOR_DEFAULT, OVERRIDE_OPTIONS): New macros.
5692         * config/mn10300/linux.h (TARGET_SWITCHES, TARGET_DEFAULT): Delete.
5693         (PROCESSOR_DEFAULT): New macro.
5694         * config/mn10300/mn10300.c (mn10300_processor): New variable.
5695         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
5696         (mn10300_handle_option, mn10300_override_options): New functions.
5697         * config/mn10300/mn10300.opt: New file.
5698
5699 2005-04-05  Eric Botcazou  <ebotcazou@libertysurf.fr>
5700             Sebastian Pop <sebastian.pop@cri.ensmp.fr>
5701
5702         PR tree-optimization/19903
5703         * tree-chrec.c (chrec_convert): Return chrec_dont_know for constants
5704         that don't fit in their type after conversion.
5705
5706 2005-04-05  Uros Bizjak <uros@kss-loka.si>
5707
5708         PR target/20421
5709         * config/i386/i386.md (frndintxf2_floor, frndintxf2_ceil)
5710         (frndintxf2_trunc, frndintxf2_mask_pm): Add FLAGS_REG clobber.
5711         Allocate local stack slots here.  Set ix86_optimize_mode_switching.
5712         flag here. Implement using define_insn_and_split.
5713         (frndintxf2_floor_i387, frndintxf2_ceil_i387, frndintxf2_trunc_i387)
5714         (frndintxf2_mask_pm_i387): New insn patterns.
5715         (floorsf2, floordf2, floorxf2): Remove local stack slot allocations.
5716         Do not set ix86_optimize_mode_switching flag.
5717         (ceilsf2, ceildf2, ceilxf2): Same.
5718         (btruncsf2, btruncdf2, btruncxf2): Same.
5719         (nearbyintsf2, nearbyintdf2, nearbyintxf2): Same.
5720
5721 2005-04-05  Ian Lance Taylor  <ian@airs.com>
5722
5723         PR debug/9963
5724         * config/i386/cygming.h (ASM_OUTPUT_EXTERNAL): Pass DECL to
5725         i386_pe_record_external_function.
5726         (i386_pe_record_external_function): Update declaration.
5727         * config/i386/winnt.c (struct extern_list): Add decl field.
5728         (i386_pe_record_external_function): Add decl parameter.
5729         (i386_pe_file_end): Check TREE_ASM_WRITTEN on decl, not
5730         identifier.
5731         * config/i386/i386-protos.h (i386_pe_record_external_function):
5732         Update declaration.
5733
5734 2005-04-05  Kazu Hirata  <kazu@cs.umass.edu>
5735
5736         * config/m68k/m68k-protos.h: Add a prototype for
5737         valid_dbcc_comparison_p_2.
5738         * config/m68k/m68k.c (not_sp_operand, symbolic_operand,
5739         extend_operator, const_uint32_operand, const_sint32_operand,
5740         general_src_operand, nonimmediate_src_operand,
5741         memory_src_operand, post_inc_operand, pre_dec_operand,
5742         pcrel_address): Move to predicates to predicates.md.
5743         * config/m68k/m68k.h (PREDICATE_CODES): Remove.
5744         * config/m68k/m68k.md: Include predicates.md.
5745         * config/m68k/predicates.md: New.
5746
5747 2005-04-04  Roger Sayle  <roger@eyesopen.com>
5748
5749         * config/i386/i386.md (*truncdfsf2_i387_1): New pattern.
5750
5751         * fold-const.c (maybe_lvalue_p): Delete orphaned comment.
5752
5753 2005-04-04  Ian Lance Taylor  <ian@airs.com>
5754
5755         * c-typeck.c (struct c_switch): Rename switch_stmt field to
5756         switch_expr.
5757         (c_start_case): Build SWITCH_EXPR, not SWITCH_STMT.
5758         (do_case): Use SWITCH_COND rather than SWITCH_STMT_COND.
5759         (c_finish_case): Use SWITCH_BODY rather than SWITCH_STMT_BODY.
5760         Call c_do_switch_expr_warnings rather than c_do_switch_warnings.
5761         * c-common.c (c_do_switch_warnings_1): New static function broken
5762         out of c_do_switch_warnings.
5763         (c_do_switch_warnings): Call c_do_switch_warnings_1.
5764         (c_do_switch_expr_warnings): New function.
5765         * c-common.h (c_do_switch_expr_warnings): Declare.
5766
5767 2005-04-04  David Edelsohn  <edelsohn@gnu.org>
5768             Daniel Jacobowitz  <dan@codesourcery.com>
5769
5770         * tree-eh.c (tree_could_trap_p): Allow non-constant floating point
5771         trapping divide.
5772         * rtlanal.c (may_trap_p): Same.
5773
5774 2005-04-04  Dale Johannesen  <dalej@apple.com>
5775
5776         * ChangeLog:  remove reference to ChangeLog.12.
5777
5778 2005-04-05  Hans-Peter Nilsson  <hp@axis.com>
5779
5780         CRIS epilogue as RTL.
5781         * config/cris/cris.md: Change all 0 in unspec 0 to
5782         CRIS_UNSPEC_PLT.
5783         (CRIS_UNSPEC_PLT, CRIS_UNSPEC_FRAME_DEALLOC): New constants.
5784         ("*cris_load_multiple", "cris_frame_deallocated_barrier"): New
5785         patterns.
5786         ("return"): Change to define_expand.  Call cris_expand_return for
5787         actual expansion.
5788         ("*return_expanded"): New pattern.
5789         ("epilogue"): New define_expand.
5790         * config/cris/cris.h (PREDICATE_CODES): Add
5791         cris_load_multiple_op.
5792         * config/cris/cris.c (ASSERT_PLT_UNSPEC): Correct test for unspec
5793         type.
5794         (enum cris_retinsn_type): New.
5795         (struct machine_function): New member return_type.
5796         (TARGET_ASM_FUNCTION_EPILOGUE): Don't override.
5797         (cris_target_asm_function_epilogue): Remove, moving RTLified
5798         contents to...
5799         (cris_expand_epilogue): New function.
5800         (cris_reg_saved_in_regsave_area, cris_movem_load_rest_p,
5801         (cris_gen_movem_load, cris_load_multiple_op)
5802         (cris_return_address_on_stack_for_return, cris_expand_return): New
5803         functions.
5804         (cris_target_asm_function_prologue)
5805         (cris_initial_frame_pointer_offset): Call
5806         cris_reg_saved_in_regsave_area instead of complicated expression.
5807         Call cris_return_address_on_stack instead of an expression.
5808         (cris_print_operand) <case 'o', case 'O'>: New cases.
5809         (cris_return_address_on_stack): Change return-type to bool.
5810         (cris_simple_epilogue): Ditto.  Return false if registers are
5811         saved.
5812         * config/cris/cris-protos.h (cris_simple_epilogue)
5813         (cris_return_address_on_stack): Adjust prototype return type.
5814         (cris_gen_movem_load, cris_expand_epilogue, cris_expand_return)
5815         (cris_return_address_on_stack_for_return): New prototypes.
5816
5817 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
5818
5819         * config/frv/frv.h (PREDICATE_CODES): Add CONST to
5820         gpr_or_int12_operand.
5821
5822         * config/frv/frv-protos.h: Add a prototype to
5823         frv_legitimate_memory_operand and frv_const_unspec_p.
5824         (frv_unspec): Move from frv.c.
5825         * config/frv/frv.c (frv_unspec): Move to frv-protos.h.
5826         (frv_const_unspec_p, frv_legitimate_memory_operand_): Export.
5827         (ldd_address_operand, fdpic_fptr_operand, frv_load_operand,
5828         gpr_or_fpr_operand, gpr_or_int12_operand,
5829         gpr_fpr_or_int12_operand, fpr_or_int6_operand,
5830         gpr_or_int10_operand, gpr_or_int_operand, int12_operand,
5831         int6_operand, int5_operand, uint5_operand, uint4_operand,
5832         uint1_operand, int_2word_operand, uint16_operand,
5833         upper_int16_operand, integer_register_operand,
5834         gpr_no_subreg_operand, fpr_operand, even_reg_operand,
5835         odd_reg_operand, even_gpr_operand, odd_gpr_operand,
5836         quad_fpr_operand, even_fpr_operand, odd_fpr_operand,
5837         dbl_memory_one_insn_operand, dbl_memory_two_insn_operand,
5838         move_destination_operand, movcc_fp_destination_operand,
5839         frv_function_symbol_referenced_p, move_source_operand,
5840         condexec_dest_operand, condexec_source_operand,
5841         reg_or_0_operand, lr_operand, fdpic_operand, got12_operand,
5842         const_unspec_operand, gpr_or_memory_operand,
5843         gpr_or_memory_operand_with_scratch, fpr_or_memory_operand,
5844         icc_operand, fcc_operand, cc_operand, icr_operand,
5845         fcr_operand, cr_operand, call_operand, sibcall_operand,
5846         symbolic_operand, relational_operator,
5847         integer_relational_operator, float_relational_operator,
5848         ccr_eqne_operator, minmax_operator,
5849         condexec_si_binary_operator, condexec_si_media_operator,
5850         condexec_si_divide_operator, condexec_si_unary_operator,
5851         condexec_sf_conv_operator, condexec_sf_add_operator,
5852         condexec_memory_operand, intop_compare_operator, acc_operand,
5853         even_acc_operand, quad_acc_operand, accg_operand: Move to
5854         predicates.md.
5855         * config/frv/frv.h (PREDICATE_CODES): Remove.
5856         * config/frv/frv.md: Include predicates.md.
5857         * config/frv/predicates.md: New.
5858
5859 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
5860
5861         PR target/19537
5862         * Makefile.in (tree-ssa-loop-ivopts.o): Depend on langhooks.h.
5863         * tree-ssa-loop-ivopts.c: Include langhooks.h.
5864         (add_standard_iv_candidates_for_size): New function, extracting code
5865         from add_standard_iv_candidates and parameterizing it by type size.
5866         (add_standard_iv_candidates): Use add_standard_iv_candidates_for_size.
5867
5868 2004-04-04  Richard Sandiford  <rsandifo@redhat.com>
5869
5870         * system.h (GCOV_SIZE_TYPE): Unposion.
5871         * gcov-io.h (GCOV_TYPE_NODE): Delete, replacing with...
5872         (GCOV_TYPE_SIZE): ...this new macro.
5873         * coverage.h (get_gcov_type, GCOV_TYPE_NODE): Declare.
5874         * coverage.c (get_gcov_type, get_gcov_unsigned_t): New functions.
5875         (rtl_coverage_counter_ref): Use GCOV_TYPE_SIZE.
5876         (build_fn_info_type, build_fn_info_value, build_ctr_info_type)
5877         (build_ctr_info_value, build_gcov_info): Use get_gcov_unsigned_t
5878         instead of unsigned_intSI_type_node.
5879         * rtl-profile.c (rtl_gen_interval_profiler, rtl_gen_pow2_profiler)
5880         (rtl_gen_one_value_profiler_no_edge_manipulation)
5881         (rtl_gen_const_delta_profiler): Use GCOV_TYPE_SIZE.
5882         * value-prof.c: Include coverage.h.
5883
5884 2005-04-02  Daniel Berlin  <dberlin@dberlin.org>
5885             Diego Novillo <dnovillo@redhat.com>
5886
5887         Fix PR tree-optimization/20703
5888         Fix PR tree-optimization/20725
5889
5890         * tree-ssa-pre.c (phi_translate): Handle tcc_comparison.
5891         (create_expression_by_pieces): Ditto.
5892         (valid_in_set): Ditto. Also handle tcc_declaration.
5893         (find_or_generate_expression): Handle comparison class.
5894         (insert_into_preds_of_block): Ditto.
5895         (insert_aux): Ditto.
5896         (create_value_expr_from): Handle comparison class, recursively
5897         handle reference nodes.
5898         (compute_avail): Handle comparison classes, rewrite a little cleaner.
5899         (execute_pre): Fix spacing.
5900         (do_fre): Renamed to execute_fre.
5901
5902 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
5903
5904         * doc/invoke.texi (SPARC options): Document that
5905         -mlittle-endian is not supported on Linux either.
5906
5907 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
5908
5909         PR target/4198
5910         PR target/12027
5911         * config.gcc (Obsolete configurations): Remove
5912         sparclite-*-coff*, sparclite-*-elf* and sparc86x-*-elf*.
5913         (sparclite-*-coff*): Delete.
5914         (sparclite-*-elf*): Likewise.
5915         (sparc86x-*-elf*): Likewise.
5916         (target_cpu_default) <sparc*-*-*>: Remove sparc86x.
5917         * config/sparc/lite.h: Delete.
5918         * config/sparc/litecoff.h: Likewise.
5919         * config/sparc/liteelf.h: Likewise.
5920         * config/sparc/sp86x-elf.h: Likewise.
5921         * config/sparc/t-sparclite: Likewise.
5922         * config/sparc/t-sp86x: Likewise.
5923
5924 2005-04-04  Adrian Straetling  <straetling@de.ibm.com>
5925
5926         * config/s390/s390-protos.h: (s390_comparison,
5927         s390_alc_comparison, s390_slb_comparison, const0_operand,
5928         consttable_operand, larl_operand, s_operand,
5929         shift_count_operand, bras_sym_operand, load_multiple_operation,
5930         store_multiple_operation, s390_plus_operand): Remove prototypes.
5931         (s390_legitimate_address_without_index_p): New prototype.
5932         * config/s390/s390.c: (SYMBOL_FLAG_ALIGN1, DISP_IN_RANGE): Move
5933         to s390.h.
5934         (s390_comparison, s390_alc_comparison, s390_slb_comparison,
5935         const0_operand, consttable_operand, larl_operand, s_operand,
5936         shift_count_operand, bras_sym_operand, load_multiple_operation,
5937         store_multiple_operation, s390_plus_operand): Move to
5938         predicates.md.
5939         (check_mode): Remove.
5940         (s390_branch_condition_mask): Remove 'static'. Move prototype to
5941         s390-protos.h.
5942         (s390_legitimate_address_without_index_p): New.
5943         * config/s390/s390.h (PREDICATE_CODES): Remove.
5944         * config/s390/s390.md: Include predicates.md.
5945         * config/s390/predicates.md: New.
5946
5947 2005-04-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
5948
5949         PR target/20446
5950         * config/sparc/sparc.h (NEED_INDICATE_EXEC_STACK): Define to 0.
5951         * config/sparc/linux.h (TARGET_ASM_FILE_END): Delete.
5952         (NEED_INDICATE_EXEC_STACK): Define to 1.
5953         * config/sparc/linux64.h (TARGET_ASM_FILE_END): Delete.
5954         (NEED_INDICATE_EXEC_STACK): Define to 1.
5955         * config/sparc/sparc.c (TARGET_ASM_FILE_END): Set to sparc_file_end.
5956         (add_pc_to_pic_symbol): Rename into pic_helper_symbol.
5957         (add_pc_to_pic_symbol_name): Rename into pic_helper_symbol_name.
5958         (pic_helper_emitted_p): New global.
5959         (emit_pic_helper): New function extracted from...
5960         (load_pic_register): ...here.  Add 'delay_pic_helper' parameter.
5961         Do not call emit_pic_helper if delay_pic_helper is true.
5962         (sparc_expand_prologue): Pass 'false' to load_pic_register.
5963         (sparc_output_mi_thunk): Pass 'true' to load_pic_register.
5964         (sparc_file_end): New function.
5965
5966 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
5967
5968         * config/mcore/mcore-protos.h: Remove the prototypes for
5969         mcore_arith_reg_operand, mcore_general_movsrc_operand,
5970         mcore_general_movdst_operand, mcore_reload_operand,
5971         mcore_arith_J_operand, mcore_arith_K_operand,
5972         mcore_arith_K_operand_not_0, mcore_arith_M_operand,
5973         mcore_arith_K_S_operand, mcore_arith_imm_operand,
5974         mcore_arith_any_imm_operand, mcore_arith_O_operand,
5975         mcore_literal_K_operand, mcore_addsub_operand,
5976         mcore_compare_operand, mcore_load_multiple_operation,
5977         mcore_store_multiple_operation, mcore_call_address_operand.
5978         Add a prototype for const_ok_for_mcore.
5979         * config/mcore/mcore.c (mcore_call_address_operand,
5980         mcore_general_movsrc_operand, mcore_general_movdst_operand,
5981         mcore_arith_reg_operand, mcore_reload_operand,
5982         mcore_arith_J_operand, mcore_arith_K_operand,
5983         mcore_arith_K_operand_not_0, mcore_arith_K_S_operand,
5984         mcore_arith_M_operand, mcore_arith_imm_operand,
5985         mcore_arith_any_imm_operand, mcore_arith_O_operand,
5986         mcore_literal_K_operand, mcore_addsub_operand,
5987         mcore_compare_operand, mcore_load_multiple_operation,
5988         mcore_store_multiple_operation): Move to predicates.md.
5989         (const_ok_for_mcore): Export.
5990         * config/mcore/mcore.h (PREDICATE_CODES): Remove.
5991         * config/mcore/mcore.md: Include predicates.md.
5992         * config/mcore/predicates.md: New.
5993
5994         * config/mcore/predicates.md: Fix a comment typo.
5995
5996 2005-04-04  Andreas Krebbel  <krebbel1@de.ibm.com>
5997             Adrian Straetling  <straetling@de.ibm.com>
5998
5999         * config/s390/2064.md ("z_mul", "z_inf"): New insn reservations.
6000         * config/s390/2084.md ("x_mul_hi", "x_mul_sidi", "x_div"): Likewise.
6001         * config/s390/s390.md ("imulhi", "imulsi", "imuldi"): Added to "type"
6002         attribute.
6003         ("imul"): Removed from "type" attribute.
6004         ("*muldi3_sign", "muldi3"): Changed type to imuldi.
6005         ("mulsi3/1", "mulsi3/3", "mulsi/4", "mulsidi3", "umulsidi3"):
6006         Changed type to imulsi.
6007         ("*mulsi3_sign", "mulsi3/2"): Changed type to imulhi.
6008
6009 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
6010
6011         * config/mcore/mcore.h (target_flags, HARDLIT_BIT, ALIGN8_BIT, DIV_BIT)
6012         (RELAX_IMM_BIT, W_FIELD_BIT, OVERALIGN_FUNC_BIT, CGDATA_BIT)
6013         (SLOW_BYTES_BIT, LITTLE_END_BIT, M340_BIT, TARGET_HARDLIT)
6014         (TARGET_DIV, TARGET_RELAX_IMM, TARGET_W_FIELD, TARGET_OVERALIGN_FUNC)
6015         (TARGET_CG_DATA, TARGET_SLOW_BYTES, TARGET_LITTLE_END, TARGET_M340)
6016         (TARGET_SWITCHES, mcore_stack_increment_string)
6017         (TARGET_OPTIONS): Delete.
6018         (TARGET_DEFAULT, OPTIMIZATION_OPTIONS): Use MASK_* constants rather
6019         than *_BIT constants.
6020         (TARGET_8ALIGN): #undef old definition before redefining to 1.
6021         * config/mcore/mcore.c (mcore_stack_increment_string): Delete.
6022         (TARGET_DEFAULT_TARGET_FLAGS): Override default to TARGET_DEFAULT.
6023         (mcore_override_options): Delete mcore_stack_increment code.
6024         Change use of M340_BIT to MASK_M340.
6025         * config/mcore/mcore.opt: New file.
6026
6027 2005-04-04  Ian Lance Taylor  <ian@airs.com>
6028
6029         * config/arm/arm.c (replace_symbols_in_block): Remove static
6030         function.
6031
6032 2005-04-04  Kazu Hirata  <kazu@cs.umass.edu>
6033
6034         * config/fr30/fr30-protos.h: Remove the prototypes for
6035         stack_add_operand, add_immediate_operand,
6036         high_register_operand, low_register_operand, call_operand,
6037         di_operand, and nonimmediate_di_operand.
6038         * config/fr30/fr30.c (stack_add_operand,
6039         add_immediate_operand, high_register_operand,
6040         low_register_operand, call_operand, di_operand,
6041         nonimmediate_di_operand): Move to predicates.md.
6042         * config/fr30/fr30.h (PREDICATE_CODES): Remove.
6043         * config/fr30/fr30.md: Include predicates.md.
6044         * config/fr30/predicates.md: New.
6045
6046         * config/mcore/mcore.h (PREDICATE_CODES): Add SYMBOL_REF and
6047         LABEL_REF to mcore_general_movsrc_operand.  Add SYMBOL_REF to
6048         mcore_call_address_operand.
6049
6050         * config/sh/sh.h (PREDICATE_CODES): Add CONST to
6051         general_movsrc_operand.
6052
6053 2005-04-04  Alan Modra  <amodra@bigpond.net.au>
6054
6055         * passes.c (rest_of_handle_final): NULL unlikely_text_section_name
6056         after freeing.
6057
6058 2005-04-04  Richard Earnshaw  <richard.earnshaw@arm.com>
6059
6060         PR target/14812
6061         * arm.c (arm_select_cc_mode): Return CC_Zmode when comparing against
6062         a negated value.
6063
6064 2005-04-04  Richard Henderson  <rth@redhat.com>
6065             Jakub Jelinek  <jakub@redhat.com>
6066
6067         PR rtl-optimization/16104
6068         * fold-const.c (fold_unary): Fix folding of vector conversions.
6069
6070 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
6071
6072         * config.gcc (xstormy16-*-elf): Set extra_options.
6073         * config/stormy16/stormy16.h (target_flags, TARGET_SWITCHES): Delete.
6074         * config/stormy16/stormy16.opt: New file.
6075
6076 2005-04-04  Richard Sandiford  <rsandifo@redhat.com>
6077
6078         * config/pdp11/pdp11.h (target_flags, TARGET_SWITCHES, TARGET_DEFAULT)
6079         (TARGET_FPU, TARGET_SOFT_FLOAT, TARGET_AC0, TARGET_NO_AC0, TARGET_45)
6080         (TARGET_BCOPY_BUILTIN, TARGET_INT16, TARGET_INT32, TARGET_FLOAT32)
6081         (TARGET_FLOAT64, TARGET_ABSHI_BUILTIN, TARGET_BRANCH_EXPENSIVE)
6082         (TARGET_BRANCH_CHEAP, TARGET_SPLIT, TARGET_NOSPLIT)
6083         (TARGET_UNIX_ASM): Delete.
6084         (TARGET_40_PLUS): Redefine in terms of TARGET_40 and TARGET_45.
6085         * config/pdp11/2bsd.h (TARGET_UNIX_ASM_DEFAULT): Use MASK_UNIX_ASM.
6086         * config/pdp11/pdp11.c (pdp11_handle_option): New function.
6087         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
6088         * config/pdp11/pdp11.opt: New file.
6089
6090 2005-04-03  Roger Sayle  <roger@eyesopen.com>
6091             Alexandre Oliva  <aoliva@redhat.com>
6092
6093         PR c++/19199
6094         * fold-const.c (non_lvalue): Split tests into...
6095         (maybe_lvalue_p): New function.
6096         (fold_cond_expr_with_comparison): Preserve lvalue-ness for the
6097         C++ front-end prior to lowering into gimple form.
6098
6099 2005-04-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6100
6101         * builtins.def (BUILT_IN_STPNCPY, BUILT_IN_STRCASECMP,
6102         BUILT_IN_STRNCASECMP): New.
6103         * doc/extend.texi: Document stpncpy, strcasecmp, strncasecmp
6104         and strndup.
6105
6106 2005-04-03  Richard Earnshaw  <richard.earnshaw@arm.com>
6107
6108         PR target/14812
6109         * arm.md (addsi3_compare0_for_combiner): Delete.
6110         (addsi3_compare0_scratch_for_combiner): Delete.
6111         (cmpsi_neg_shiftsi): Delete.
6112         (compare_negsi_si): New pattern.
6113         (cmpsi_negshiftsi_si): New pattern.
6114         (negated_cbranchsi4): Restrict to equality_operator.
6115
6116         * arm.md (movhi_insn_arch4): delete trailing white space from assembler
6117         template.
6118
6119 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
6120
6121         * cfghooks.c, cfgrtl.c, modulo-sched.c, config/i386/winnt.c:
6122         Fix comment typos.
6123
6124         * doc/install.texi: Fix a typo.
6125
6126 2005-04-03  Steven Bosscher  <stevenb@suse.de>
6127
6128         PR middle-end/20648
6129         * bb-reorder.c (duplicate_computed_gotos): Do not unfactor
6130         a computed goto if the edge to the computed goto block has
6131         incoming abnormal edges.  Clarify how the function works.
6132
6133 2005-04-03  Nathan Sidwell  <nathan@codesourcery.com>
6134
6135         * params.c (set_param_value): Use gcc_assert & gcc_unreachable.
6136         * passes.c (open_dump_file, rest_of_handle_final): Likewise.
6137         * postreload-gcse.c (expr_equiv_p, oprs_unchanged_p,
6138         hash_scan_set, reg_set_between_after_reload_p,
6139         reg_used_between_after_reload_p, get_avail_load_store_reg,
6140         eliminate_partially_redundant_load): Likewise.
6141         * postreload.c (reload_cse_simplify_set,
6142         reload_combine_note_use): Likewise.
6143         * predict.c (predict_insn, expected_value_to_br_prob,
6144         propagate_freq, expensive_function_p): Likewise.
6145         * print-rtl.c (print_rtx): Likewise.
6146         * profile.c (instrument_edges, instrument_values,
6147         compute_branch_probabilities, branch_prob, union_groups,
6148         tree_register_profile_hooks, rtl_register_profile_hooks): Likewise.
6149         * protoize.c (in_system_include_dir, file_could_be_converted,
6150         file_normally_convertible, gen_aux_info_file, seek_to_line,
6151         do_cleaning): Likewise.
6152         * tree-ssa-alias.c (collect_points_to_info_r): Likewise.
6153         * tree-ssa-ccp.c (execute_fold_all_builtins): Likewise.
6154         * tree-ssa-loop-ivopts.c (produce_memory_decl_rtl): Likewise.
6155
6156 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
6157
6158         * cfg.c (clear_bb_flags): Don't clear BB_DISABLE_SCHEDULE.
6159         * modulo-sched.c (undo_replace_buff_elem): New structure.
6160         (kernel_number_of_cycles, ps_unschedule_node,
6161         undo_generate_reg_moves,free_undo_replace_buff,
6162         undo_permute_partial_schedule,  loop_single_full_bb_p,
6163         SIMPLE_SMS_LOOP_P, loop_canon_p, canon_loop,
6164         build_loops_structure, get_sched_window): New.
6165         (generate_reg_moves): Return undo_replace_buff_elem and other
6166         fixes.
6167         (generate_prolog_epilog): Remove old loop versioning.
6168         (sms_schedule): Use loop information and loop_version.
6169         (sms_schedule_by_order): Split part of it to get_sched_window.
6170         * passes.c (rest_of_handle_sms): call cfg_layout_initialize
6171         cfg_layout_finalize and free_dominance_info before/after SMS.
6172
6173 2005-04-03 Mostafa Hagog <mustafa@il.ibm.com>
6174
6175         * cfghooks.c (lv_flush_pending_stmts,
6176         cfg_hook_duplicate_loop_to_header_edge, extract_cond_bb_edges,
6177         lv_adjust_loop_header_phi, lv_add_condition_to_bb): New.
6178         * cfghooks.h (cfg_hook_duplicate_loop_to_header_edge,
6179         lv_add_condition_to_bb,
6180         lv_adjust_loop_header_phi, extract_cond_bb_edges,
6181         flush_pending_stmts): New in cfg_hooks structure.
6182         (cfg_hook_duplicate_loop_to_header_edge, lv_flush_pending_stmts,
6183         extract_cond_bb_edges, lv_adjust_loop_header_phi,
6184         lv_add_condition_to_bb): New declarations.
6185         * cfgloop.h (duplicate_loop_to_header_edge): Change return type to
6186         bool.
6187         (loop_version): Declare.
6188         * cfgloopmanip.c (cfghooks.h): Include.
6189         (duplicate_loop_to_header_edge): Change return type to bool.
6190         (loop_version, lv_adjust_loop_entry_edge): Move here.
6191         * cfgrtl.c (cfgloop.h): Include.
6192         (rtl_verify_flow_info_1): Fix.
6193         (rtl_lv_add_condition_to_bb, rtl_extract_cond_bb_edges): New.
6194         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add hooks to
6195         initialization.
6196         * tree-cfg.c (tree_lv_adjust_loop_header_phi,
6197         tree_lv_add_condition_to_bb): New.
6198         (tree_cfg_hooks): Add new hooks to initialization.
6199         * tree-ssa-loop-manip.c (lv_adjust_loop_header_phi,
6200         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Remove.
6201
6202 2005-04-03  Kazu Hirata  <kazu@cs.umass.edu>
6203
6204         * config/stormy16/stormy16.h (PREDICATE_CODES): Add SUBREG to
6205         xstormy16_below100_or_register,
6206         xstormy16_splittable_below100_or_register, and
6207         nonimmediate_nonstack_operand.
6208
6209         * config/stormy16/stormy16-protos.h: Remove the prototypes for
6210         xstormy16_ineqsi_operator, equality_operator,
6211         inequality_operator, shift_operator,
6212         xstormy16_below100_operand, xstormy16_below100_or_register,
6213         xstormy16_splittable_below100_or_register,
6214         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand.
6215         * config/stormy16/stormy16.c (xstormy16_ineqsi_operator,
6216         equality_operator, inequality_operator,
6217         xstormy16_below100_operand, xstormy16_below100_or_register,
6218         xstormy16_splittable_below100_or_register,
6219         xstormy16_onebit_set_operand, xstormy16_onebit_clr_operand,
6220         nonimmediate_nonstack_operand, shift_operator): Move to
6221         predicates.md.
6222         * config/stormy16/stormy16.h (PREDICATE_CODES): Remove.
6223         * config/stormy16/stormy16.md: Include predicates.md.
6224         * config/stormy16/predicates.md: New.
6225
6226 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
6227
6228         * config/iq2000/iq2000.c (uns_arith_operand, arith_operand,
6229         small_int, large_int, reg_or_0_operand, simple_memory_operand,
6230         equality_op, cmp_op, pc_or_label_operand, call_insn_operand,
6231         move_operand, power_of_2_operand): Move to predicates.md.
6232         * config/iq2000/iq2000.h (SPECIAL_MODE_PREDICATES,
6233         PREDICATE_CODE): Remove.
6234         * config/iq2000/iq2000.md: Include predicates.md.
6235         * config/iq2000/predicates.md: New.
6236
6237 2005-04-02  Richard Sandiford  <rsandifo@redhat.com>
6238
6239         * config/m68hc11/m68hc11.h (target_flags, MASK_SHORT)
6240         (MASK_AUTO_INC_DEC, MASK_M6811, MASK_M6812, MASK_M68S12)
6241         (MASK_NO_DIRECT_MODE, MASK_MIN_MAX, MASK_LONG_CALLS)
6242         (TARGET_SHORT, TARGET_M6811, TARGET_M6812, TARGET_M68S12)
6243         (TARGET_AUTO_INC_DEC, TARGET_MIN_MAX, TARGET_NO_DIRECT_MODE)
6244         (TARGET_LONG_CALLS, TARGET_SWITCHES, TARGET_OPTIONS)
6245         (SUBTARGET_SWITCHES, SUBTARGET_OPTIONS, m68hc11_regparm_string)
6246         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
6247         (TARGET_M68HC11): Delete.
6248         (TARGET_DEFAULT): Change the default setting from MASK_M6811 to 0.
6249         * config/m68hc11/m68hc12.h (TARGET_M68HC12): Delete.
6250         * config/m68hc11/m68hc11.c (m68hc11_regparm_string)
6251         (m68hc11_reg_alloc_order, m68hc11_soft_reg_count)
6252         (nb_soft_regs): Delete.
6253         (TARGET_DEFAULT_TARGET_FLAGS): Override default with TARGET_DEFAULT.
6254         (m68hc11_override_options): Remove the code that caters for MASK_M6811
6255         and MASK_M6812 being set simultaneously.  Change the code that sets
6256         the default m68hc11_soft_reg_count to use integers instead of strings.
6257         (m68hc11_conditional_register_usage, hard_regno_mode_ok): Use
6258         m68hc11_soft_reg_count (which now has an int type) as the number
6259         of soft registers.
6260         * config/m68hc11/m68hc11.opt: New file.
6261
6262 2005-04-02  Kazu Hirata  <kazu@cs.umass.edu>
6263
6264         * config/fr30/fr30.h (PREDICATE_CODES): Remove
6265         fp_displacement_operand, sp_displacement_operand.
6266
6267         * config/m68hc11/m68hc11-protos.h: Add a prototype for
6268         m68hcc_auto_inc_p.
6269         Remove the prototypes for tst_operand, cmp_operand,
6270         stack_register_operand, d_register_operand,
6271         hard_addr_reg_operand, splitable_operand,
6272         m68hc11_logical_operator, m68hc11_arith_operator,
6273         m68hc11_non_shift_operator, m68hc11_shift_operator,
6274         m68hc11_unary_operator, m68hc11_eq_compare_operator,
6275         non_push_operand, hard_reg_operand, and
6276         reg_or_some_mem_operand.
6277         * config/m68hc11/m68hc11.c (m68hcc_auto_inc_p): Make it
6278         extern.
6279         (tst_operand, cmp_operand, non_push_operand,
6280         splitable_operand, reg_or_some_mem_operand,
6281         stack_register_operand, d_register_operand,
6282         hard_addr_reg_operand, hard_reg_operand,
6283         m68hc11_eq_compare_operator, m68hc11_logical_operator,
6284         m68hc11_arith_operator, m68hc11_non_shift_operator,
6285         m68hc11_shift_operator, m68hc11_unary_operator): Move to
6286         predicates.md.
6287         * config/m68hc11/m68hc11.h (PREDICATE_CODES): Remove.
6288         * config/m68hc11/m68hc11.md: Include predicates.md.
6289         * config/m68hc11/predicates.md: New.
6290
6291 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
6292
6293         PR debug/19345
6294         * dwarf2out.c (add_abstract_origin_attribute): Revert accidental
6295         change checked in along with 2005-03-03's patch for debug/20253.
6296         * tree-inline.c (remap_type): Remap TYPE_STUB_DECL.
6297         (remap_decl): Insert type decl in map earlier.
6298
6299 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
6300
6301         PR tree-optimization/20640
6302         * tree-ssa-dce.c (remove_dead_stmt): Don't redirect edge to
6303         post-dominator if it has phi nodes.
6304         (eliminate_unnecessary_stmts): Remove dead phis in all blocks
6305         before dead statements.
6306
6307 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
6308
6309         PR middle-end/20491
6310         * final.c (alter_subreg): Don't call subreg_regno for a non-REG.
6311
6312 2005-04-02  Alexandre Oliva  <aoliva@redhat.com>
6313
6314         PR rtl-optimization/20290
6315         * loop.c (for_each_insn_in_loop): Don't assume the loop body runs
6316         in every iteration if the entry point is the exit test.
6317
6318 2005-04-02  Hans-Peter Nilsson  <hp@axis.com>
6319
6320         * config/cris/cris.md (attribute "length"): Define.
6321
6322 2005-04-02  Geoffrey Keating  <geoffk@apple.com>
6323
6324         * config/rs6000/predicates.md (indexed_or_indirect_operand): New.
6325         (word_offset_memref_operand): New.
6326         * config/rs6000/rs6000-protos.h (word_offset_memref_operand): Delete.
6327         (indexed_or_indirect_operand): Delete.
6328         * config/rs6000/rs6000.c (word_offset_memref_operand): Delete.
6329         (indexed_or_indirect_operand): Delete.
6330
6331         * config/rs6000/t-darwin8: Comment out ppc64 multilib.
6332
6333         PR 20650
6334         * config/rs6000/rs6000.md (fix_truncdfsi2): Make destination
6335         a register.
6336
6337         * config/rs6000/t-darwin (TARGET_LIBGCC2_CFLAGS): Add -pipe.
6338         * config/t-darwin (TARGET_LIBGCC2_CFLAGS): Likewise.
6339
6340 2005-04-01  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
6341
6342         * gcc/config/vax/vax.md: Spellcheck, fix whitespace.
6343
6344 2005-04-01  Ian Lance Taylor  <ian@airs.com>
6345
6346         * gcc.c: Don't include <sys/resource.h> or declare getrusage.
6347         (rus, prus): Remove static variables.
6348         (execute): Use pex_run/pex_get_status rather than pexecute/pwait.
6349         (process_command): Permit report_times and use_pipes together.
6350
6351 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
6352
6353         * c-decl.c (validate_proto_after_old_defn): Look at
6354         TYPE_MAIN_VARIANT of argument types.
6355
6356 2005-04-01  Paul Brook  <paul@codesourcery.com>
6357
6358         * config/arm/arm.c (thumb_call_via_label): Include space for SP.
6359         (arm_output_function_epilogue): Allow call_via_SP.
6360         (thumb_call_via_reg, arm_file_end): Ditto.
6361         * config/arm/arm.h (struct machine_function): Include space for SP.
6362         (thumb_call_via_label): Update declaration.
6363
6364 2005-04-01  Ian Lance Taylor  <ian@airs.com>
6365
6366         * final.c (final_scan_insn): Revert part of 2005-03-30 patch: when
6367         doing a peephole optimization, once again put any notes in the
6368         proper position.
6369
6370 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
6371
6372         * bb-reorder.c, fold-const.c, varasm.c: Fix comment typos.
6373
6374 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
6375
6376         * local-alloc.c (update_equiv_regs): Use gcc_assert, gcc_unreachable.
6377         (block_alloc, find_free_reg): Likewise.
6378         * loop-doloop.c (doloop_modify): Likewise.
6379         * loop-invariant.c (record_use): Likewise.
6380         * loop-iv.c (get_biv_step_1, get_biv_step, iv_analyze,
6381         get_iv_value, canon_condition, eliminate_implied_condition,
6382         eliminate_implied_condition, simplify_using_initial_values,
6383         shorten_into_mode, canonicalize_iv_subregs,
6384         iv_number_of_iterations): Likewise.
6385         * loop-unroll.c (expand_var_during_unrolling): Likewise.
6386         * loop-unswitch.c (compare_and_jump_seq, unswitch_single_loop,
6387         unswitch_loop): Likewise.
6388         * loop.c (INSN_LUID, loop_optimize, rtx_equal_for_loop_p,
6389         move_movables, replace_call_address, find_and_verify_loops,
6390         rtx_equal_for_prefetch_p, fold_rtx_mult_add, loop_iterations,
6391         record_giv, final_giv_value, general_induction_var,
6392         simplify_giv_expr, extension_within_bounds_p, try_copy_prop,
6393         loop_giv_dump): Likewise.
6394
6395         * gcov-io.h (GCOV_CHECK, GCOV_CHECK_READING,
6396         GCOV_CHECK_WRITING): Remove.
6397         (gcov_position, gcov_rewrite): Use gcc_assert.
6398         * gcov-io.c (gcov_open, gcov_write_words, gcov_write_length,
6399         gcov_read_words, gcov_sync, gcov_seek): Use gcc_assert.
6400         * libgcov.c (__gcov_merge_single, __gcov_merge_delta): Use
6401         gcc_assert.
6402
6403 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
6404
6405         * tree-inline.c: Fix a typo.
6406
6407 2005-04-01  Nathan Sidwell  <nathan@codesourcery.com>
6408
6409         * configure.ac (enable-checking): Explicitly set all variables for
6410         collective switch values.  Alphabetize variables. Rename
6411         ac_checking_valgrind to ac_valgrind_checking.  Allow 'none' as
6412         synonym for 'no'.
6413         * doc/install.texi (enable-checking): Update documentation.
6414         * configure: Rebuilt.
6415
6416 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
6417
6418         * tree-inline.c (copy_body_r): Use CONSTANT_CLASS_P where
6419         possible.
6420
6421 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
6422
6423         * arm.c (adjacent_mem_locations): Reject volatile memory refs.
6424         Also reject cases where this pattern will cause load delay stalls
6425         unless optimizing for size and it will produce a shorter sequence.
6426         * arm.md (arith_adjacent_mem): Make better use of ldm addressing
6427         variants to avoid pre-adjusting the base when possible.
6428
6429 2005-04-01  Richard Earnshaw  <richard.earnshaw@arm.com>
6430
6431         * arm.md (minmax_arithsi): Reject all eliminable registers, not just
6432         the frame and argument pointers.
6433         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec): Likewise.
6434         (loadqisi_preinc, loadqisi_predec, strsi_preinc): Likewise.
6435         (strsi_predec, loadsi_preinc, loadsi_predec): Likewise.
6436         (strqi_shiftpreinc, strqi_shiftpredec, loadqi_shiftpreinc): Likewise.
6437         (loadqi_shiftpredec, strsi_shiftpreinc, strsi_shiftpredec): Likewise.
6438         (loadsi_shiftpreinc, loadsi_shiftpredec): Likewise.
6439
6440 2005-04-01  Danny Smith  <dannysmith@users.sourceforge.net>
6441
6442         * config/i386/cygming.h (SUBTARGET_ATTRIBUTE_TABLE): Define,
6443         with entry for selectany attribute.
6444         * config/i386/i386-protos.h (ix86_handle_selectany_attribute):
6445         Declare.
6446         * config/i386/winnt.c (ix86_handle_selectany_attribute): Define.
6447         (i386_pe_asm_named_section): Handle sections generated by
6448         selectany attribute.
6449         * doc/extend.texi (selectany): Document attribute.
6450
6451 2005-04-01  Paolo Bonzini  <bonzini@gnu.org>
6452             Jan Hubicka  <jh@suse.cz>
6453
6454         * config/i386/i386.c (ix86_decompose_address): Look inside SUBREGs
6455         to fix addresses involving EBP and ESP.
6456         (aligned_operand, legitimate_address_p, ix86_address_cost): Be prepared
6457         for SUBREGed registers.
6458         (legitimate_address_p): Accept SUBREGed registers.
6459
6460 2005-04-01  Jakub Jelinek  <jakub@redhat.com>
6461
6462         PR c++/19406
6463         * dwarf2out.c (gen_type_die_for_member): Handle FIELD_DECL.
6464         (dwarf2out_imported_module_or_decl): Use gen_type_die_for_member
6465         for FIELD_DECLs.
6466
6467 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
6468
6469         * doc/contrib.texi, doc/invoke.texi, doc/tm.texi: Fix typos.
6470
6471 2005-04-01  James E Wilson  <wilson@specifixinc.com>
6472
6473         PR c++/20505
6474         * dwarf2out.c (rtl_for_decl_init): New function.
6475         (rtl_for_decl_location): Extracted from here.
6476         (tree_add_const_value_attribute): Call rtl_for_decl_init and
6477         add_const_value_attribute.  Delete initializer_constant_valid_p call.
6478
6479 2005-04-01  Kazu Hirata  <kazu@cs.umass.edu>
6480
6481         * cgraphunit.c, dbxout.c, flow.c, gcse.c, gimplify.c,
6482         lambda-code.c, loop.c, machmode.def, mips-tfile.c,
6483         modulo-sched.c, passes.c, postreload-gcse.c, tree-eh.c,
6484         tree-ssa-ccp.c, varasm.c, config/frv/frv.c, config/frv/frv.h,
6485         config/frv/frv.md, config/i386/i386.c, config/i386/i386.h,
6486         config/i386/i386.md, config/rs6000/predicates.md,
6487         config/rs6000/rs6000.c, config/s390/fixdfdi.h,
6488         config/s390/s390.c, config/stormy16/stormy16.c,
6489         config/stormy16/stormy16.md, config/vax/vax.md: Fix comment
6490         typos.
6491
6492 2005-04-01  Joseph S. Myers  <joseph@codesourcery.com>
6493
6494         PR c/17855
6495         * gimplify.c (gimplify_expr): Create a temporary for lvalue
6496         COND_EXPR and CALL_EXPR.
6497
6498 2005-03-31  Vladimir Makarov  <vmakarov@redhat.com>
6499
6500         PR target/20632
6501         * genautomata.c (first_cycle_unit_presence): Check all alternative
6502         states for unit presence.
6503
6504         * doc/md.texi: Remove remark about impossibility to query unit
6505         presence in non nondeterministic automaton state.
6506
6507         * config/ia64/ia64.c (get_template): Change order of unit querying.
6508
6509 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
6510
6511         * tree-ssa-dom.c (cprop_into_successor_phis): Remove an
6512         obsolete comment.
6513
6514 2005-03-31  Zdenek Dvorak  <dvorakz@suse.cz>
6515
6516         * cfgloopanal.c (mark_loop_exit_edges): Clean EDGE_LOOP_EXIT
6517         flag for edges outside any loops.
6518
6519 2005-03-31  Janis Johnson  <janis187@us.ibm.com>
6520
6521         * doc/sourcebuild.texi (Test Directives): Describe cleanup-* procs.
6522
6523 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
6524
6525         * tree-ssa-alias.c: Follow spelling conventions.
6526         * doc/tree-ssa.texi: Fix a typo.
6527
6528 2005-03-31  J"orn Rennecke <joern.rennecke@st.com>
6529
6530         * postreload-gcse.c: Include target.h.
6531         (gcse_after_reload_main): Return early if we cannot modify jumps.
6532         * Makefile.in (postreload-gcse.o): Depend on $(TARGET_H).
6533
6534 2005-03-31  David Edelsohn  <edelsohn@gnu.org>
6535
6536         * tree-ssa-loop-im.c (stmt_cost): Add RDIV_EXPR to list of
6537         expensive operations.
6538
6539 2005-03-31  Ian Lance Taylor  <ian@airs.com>
6540
6541         * collect2.c (lderrout): New variable.
6542         (collect_exit): Dump ldout to stdout.  Dump and unlink lderrout,
6543         if it is set, to stderr.
6544         (handler): Unlink lderrout if it is set.
6545         (dump_file): Add "to" parameter.  Change all callers.
6546         (main): Initialize lderrout.
6547         (collect_execute): Add errname parameter.  Change all callers.
6548         Rename redir parameter to outname.  Never pass
6549         PEX_STDERR_TO_STDOUT to pex_run.
6550         * collect2.h (collect_execute, dump_file): Update declarations.
6551         * tlink.c (tlink_execute): Add errname parameter.  Change all
6552         callers.
6553         (do_tlink): Check lderrout as well as ldout.
6554
6555 2005-03-31  Caroline Tice  <ctice@apple.com>
6556
6557         * Makefile.in (varasm.o): Add basic-block.h to list of requirements.
6558         (bb-reorder.o): Add errors.h to list of requirements.
6559         (STAGEFEEDBACK_FLAGS_TO_PASS): Add -freorder-blocks-and-partition to
6560         profiledbootstrap flags.
6561         * bb-reorder.c (errors.h): Add new include.
6562         (struct bbro_basic_block_data_def): Add new field, in_trace.
6563         (add_unlikely_executed_notes):  Remove function.
6564         (mark_bb_for_unlikely_executed_section): Remove function.
6565         (insert_section_boundary_note): New function.
6566         (verify_hot_cold_block_grouping): New function.
6567         (push_to_next_round_p): Remove variables and tests that push all
6568         cold blocks to last round.
6569         (find_traces): Remove code that added extra round of trace finding
6570         when doing partitioning.
6571         (find_traces_1_round) :  Remove variable last_round;  add code to
6572         update new struct field, in_trace; correct trace_length where it was
6573         incorrect before (after call to copy_bb); change code that pushed all
6574         cold blocks to last round. Instead verify that all blocks going into
6575         a trace belong in the same partition.
6576         (connect_traces): Modify to connect the traces in two passes, if the
6577         function contains both hot and cold blocks.  The first pass connects
6578         all the traces for blocks in the partition that the first block in
6579         the function belongs to; the second pass connnects all the traces
6580         containing blocks that belong in the other partition.
6581         (find_rarely_executed_basic_blocks_and_crossing_edges):  Remove
6582         code that automatically put the first block in a function into the
6583         hot partition if the function had any hot blocks.
6584         (fix_crossing_unconditional_branches): Check number of succ edges
6585         before attempting to get one.
6586         (fix_edges_for_rarely_executed_code):  Update comment describing
6587         function.
6588         (reorder_basic_blocks):  Add code to initialize new field (in_trace);
6589         remove call to add_unlikely_executed_notes; add call to
6590         verify_hot_cold_block_grouping.
6591         (duplicate_computed_gotos): Don't change computed goto if it's a
6592         crossing edge.
6593         (partition_hot_cold_basic_blocks):  Update function comment.
6594         * cfgcleanup.c (try_simplify_condjump): Remove redundacy from
6595         condition.
6596         (try_forward_edges): Likewise.
6597         (merge_blocks_move_predecessor_nojumps): Likewise.
6598         (merge_blocks_move_successor_nojumps): Likewise.
6599         (merge_blocks_move): Likewise.
6600         (try_crossjump_bb): Likewise.
6601         * cfglayout.c (update_unlikely_executed_notes): Remove function.
6602         (fixup_reorder_chain): Remove code for adding UNLIKELY_EXECUTED_CODE
6603         notes to cold bb's; remove call to update_unlikely_executed_notes.
6604         (duplicate_insn_chain):  change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
6605         NOTE_INSN_SWITCH_TEXT_SECTIONS.
6606         * cfglayout.h (scan_ahead_for_unlikely_executed_note): Remove
6607         function declaration.
6608         * cfgrtl.c (can_delete_note_p): Remove UNLIKELY_EXECUTED_CODE note
6609         from consideration.
6610         (rtl_can_merge_blocks): Remove redundancy from condition.
6611         (try_redirect_by_replacing_jump): Likewise.
6612         (force_nonfallthru_and_redirect): Remove code for adding
6613         UNLIKELY_EXECUTED_CODE notes to cold bb's.
6614         (commit_one_edge_insertion): Likewise.
6615         (cfg_layout_can_merge_blocks_p): Remove redundancy from condition.
6616         * dbxout.c (FORCE_TEXT): Replace function_section with
6617         current_function_section.
6618         (struct dbx_debug_h): Add do_nothing function for new debug_hooks
6619         function, switch_text_section.
6620         (struct xcoff_debug): Likewise.
6621         (dbxout_function_end): Add code to put out label diffs for both
6622         hot and cold sections.
6623         * debug.c (struct do_nothing_debug_hooks): Add do_nothing function
6624         for new debug_hooks funciton, switch_text_section..
6625         * debug.h (struct gcc_debug_hooks):  Add new function to debug_hooks,
6626         switch_text_section.
6627         * dwarf2out.c (struct dw_fde_struct):  Add five new fields:
6628         dw_fde_hot_section_label, dw_fde_hot_section_end_label,
6629         dw_fde_unlikely_section_label, dw_fde_unlikely_section_end_label and
6630         dw_fde_switched_sections.
6631         (output_call_frame_info):  Add test to see if function switches text
6632         sections in the middle; if so, use appropriate extra hot and cold
6633         section labels to compute size deltas for the hot and cold sections.
6634         (dwarf2out_begin_prologue): Add code to initialize new fields in
6635         dw_fde_struct.
6636         (dwarf2out_switch_text_section): New function (invoked through
6637         debug_hook); updates new fields in dw_fde_struct appropriately and
6638         increments separate_line_info_table_in_use.
6639         (dwarf2_debug_hooks): Initialize switch_text_section function to be
6640         dwarf2out_switch_text_section.
6641         (struct var_loc_node): Add new field, section_label.
6642         (output_aranges): Add code to check whether in hot or cold section and
6643         use the appropriate label in calculating deltas.
6644         (output_ranges): Likewise.
6645         (output_line_info): Add code to check which section we're in and
6646         use appropriate hot/cold label.
6647         (add_location_or_constant_value_attribute): Likewise.
6648         (gen_subprogam_die): Modify arange attributes to use correct labels.
6649         (dwarf2out_begin_block): Change call to function_section into call to
6650         current_function_section.
6651         (dwarf2out_end_block): Likewise.
6652         (dwarf2out_source_line): Likewise.
6653         (dwarf2out_var_location): Add code to check whether in hot or cold
6654         section and use the appropriate label.
6655         * except.c (output_function_exception_table): Change call to
6656         function_section into call to current_function_section.
6657         * final.c (profile_function): Likewise.
6658         (scan_ahead_for_unlikely_executed_note): Remove function.
6659         (final_scan_insn):  Remove calls to
6660         scan_ahead_for_unlikely_executed_note, and related code for switching
6661         to cold section, except for the single time
6662         NOTE_INSN_SWITCH_TEXT_SECTIONS may be encountered;  add calls to
6663         debug_hooks->switch_text_sections; replace appropriate calls to
6664         function_section with calls to current_function_section.
6665         * ifcvt.c (find_if_case_1): Remove redundancy from condition, add
6666         test_bb to condition.
6667         (find_if_case_2): Likewise.
6668         * insn-notes.def: Change NOTE_INSN_UNLIKELY_EXECUTED_CODE to
6669         NOTE_INSN_SWITCH_TEXT_SECTIONS.  Update comment appropriately.
6670         * opts.c (decode_options): Change warning about hot/cold partitioning
6671         with exceptionss to inform (so as not to cause bootstrap failures);
6672         remove warning about partitioning with DWARF debug info.
6673         * output.h (current_function_section): Add new function decl.
6674         (insert_section_boundary_note): Likewise.
6675         (enum in_section): Move this declaration here from varasm.c.
6676         (unlikely_section_label): Likewise.
6677         (unlikely_text_section_name): Likewise.
6678         (last_text_section_name): New global variable.
6679         (last_text_section): Likewise.
6680         (hot_section_label): Likewise.
6681         (hot_section_end_label): Likewise.
6682         (cold_section_end_label): Likewise.
6683         * passes.c (rest_of_handle_final): Free unlikely_text_section_name.
6684         * print-rtl.c (print_rtx): Change NOTE_INSN_UNLIKELY_EXECUTED_CODE
6685         to NOTE_INSN_SWITCH_TEXT_SECTIONS.
6686         * reg-stack.c (emit_swap_insn): Remove UNLIKELY_EXECUTED_CODE note
6687         insn from consideration.
6688         * sdbout.c (sdb_debug_hooks): Add do_nothing for new function,
6689         switch_text_section.
6690         * varasm.c (basic-block.h): Add new include.
6691         (unlikely_section_label_printed): Remove global variable.
6692         (unlikely_section_label): Make global variable not be static any more.
6693         (unlikely_text_section_name): Likewise.
6694         (hot_section_end_label): New global variable (not static)
6695         (first_function_block_is_cold): Likewise.
6696         (hot_section_label): Likewise.
6697         (cold_section_end_label): Likewise..
6698         (last_text_section): New global variable, not static.
6699         (last_text_section_name): New global variable, not static.
6700         (initialize_cold_section_name): New function.
6701         (enum in_section): Move declaration to output.h.
6702         (text_section): Update last_text_section.
6703         (unlikely_text_section): Replace code to determine cold section name
6704         with call to initialize_cold_section_name; Add code to update
6705         last_text_section; remove code for printing out label.
6706         (named_section_real): Add code to update last_text_section and
6707         last_text_section_name as appropriate.
6708         (function_section): Change test for 'unlikely' to depend on
6709         first_function_block_is_cold (moved old test to
6710         current_function_section).
6711         (current_function_section): New function.
6712         (assemble_start_function): Move code that frees
6713         unlikely_text_section_name; initialize hot_section_end_label;
6714         print hot and cold section labels at the start of the function;
6715         set first_function_block_is_cold, if appropriate; initialize l
6716         ast_text_section; add call to insert_section_boundary_note.
6717         (assemble_end_function):  Add code to write out hot and cold section
6718         end labels.
6719         *vmsdbgout.c (vmsdbg_debug_hooks): Add do_nothing for new function,
6720         switch_text_section.
6721         * config/darwin.c (machopic_select_section): Replace incorrect
6722         function in base_funs; update reloc for cold sections if necessary.
6723         * config/darwin.h (SECTION_FUNCTION):  Add code to update
6724         last_text_section if appropriate.
6725         (text_unlikely_section): Remove.
6726         * config/sparc/sparc.c (sparc_output_deferred_case_vectors): Likewise.
6727         * config/stormy16/stormy16.c (stormy_16_output_addr_vec): Likewise.
6728         * config/xtensa/xtensa.c (override_options): Turn off hot/cold
6729         partitioning for this architecture.
6730
6731 2005-03-31  Olivier Hainque  <hainque@adacore.com>
6732
6733         * dwarf2out.c (dwarf2out_frame_finish): Honor DWARF2_FRAME_INFO
6734         defined and non-zero.
6735
6736 2005-03-31  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6737
6738         PR c++/18644
6739         * doc/invoke.texi (-Wsynth): Don't document, as it now is void of
6740         semantics.
6741
6742 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
6743
6744         PR target/20611
6745         * config/rs6000/rs6000.md (load_toc_v4_PIC_1b): Remove inline
6746         label operand.  Remove (use (unspec..)).  Don't emit a label on
6747         the offset word.
6748         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Don't
6749         generate inline label for load_toc_v4_PIC_1b.
6750         (rs6000_emit_load_toc_table): Likewise.
6751
6752 2005-03-31  Kazu Hirata  <kazu@cs.umass.edu>
6753
6754         * config.gcc: Obsolete i860-*-sysv4*, ip2k-*-elf,
6755         ns32k-*-netbsdelf*, and ns32k-*-netbsd*.
6756
6757 2005-03-29  Devang Patel  <dpatel@apple.com>
6758
6759         * tree-sra.c (decide_block_copy): Disable scalarization of
6760         sub-elements.
6761
6762 2005-03-30  Stuart Hastings  <stuart@apple.com>
6763             Dale Johannesen  <dalej@apple.com>
6764
6765         * Makefile.in (print-tree.o):  Depend on tree-iterator.h.
6766         * print-tree.c (print_node):  Add case STATEMENT_LIST.
6767
6768 2005-03-31  Alan Modra  <amodra@bigpond.net.au>
6769
6770         * config.gcc (cpu_is_64bit): Set for 64-bit powerpc cpus.
6771         (powerpc64-*-linux*): Use it.  Rearrange tm_file assignment.
6772         (powerpc-*-linux*): Build a biarch compiler when --enable-targets
6773         is given with "powerpc64*" or "all", or when --with-cpu chooses
6774         a 64-bit cpu.
6775
6776 2005-03-30  James E. Wilson  <wilson@specifixinc.com>
6777
6778         PR debug/20268
6779         * dwarf2out.c (add_high_low_attributes): New function, extracted from
6780         gen_lexical_block_die.
6781         (gen_lexical_block_die, gen_inlined_subroutine_die): Call it.
6782
6783 2005-03-31  Jan Hubicka  <jh@suse.cz>
6784
6785         2004-11-02  Jan Hubicka  <jh@suse.cz>
6786
6787         * cgraph.c (cgraph_varpool_node_name): New function.
6788         (dump_cgraph_varpool_node): New function.
6789         (dump_varpool): New function.
6790         * cgraphunit.c (cgraph_optimize): Dump varpool.
6791
6792         2004-10-16  Jan Hubicka  <jh@suse.cz>
6793
6794         * cgraph.c (decide_is_variable_needed): New function.
6795         (cgraph_varpool_finalize_decl): Use it.
6796         * cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
6797         unit-at-a-time.
6798         * final.c (output_addr_const): Do not call mark_referenced.
6799         * passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
6800         always go via cgraph.
6801         * toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
6802         (check_global_declarations): Ifdef out code clearing DECL_RTL.
6803         * tree-optimize.c (execute_inline): Mark functions called.
6804         * i386.c (output_pic_addr_const): Do not call mark_decl_referenced.
6805
6806         2004-10-11  Jan Hubicka  <jh@suse.cz>
6807
6808         * cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
6809         (cgraph_varpool_last_needed_node): New static variable.
6810         (enqueue_needed_varpool_node): Break out from ...; add items to the
6811         end of queue; update first pointers.
6812         (cgraph_varpool_mark_needed_node): ... here.
6813         (cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
6814         (cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
6815         * cgraph.h (cgraph_varpool_node): Add analyzed field.
6816         (cgraph_varpool_first_unanalyzed_node): Declare.
6817         * cgraphunit.c: Include output.h.
6818         (cgraph_varpool_analyze_pending_decls): New function.
6819         (cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
6820         for errors, analyze pending decls.
6821         (cgraph_finalize_compilation_unit): Only analyze decls.
6822         (cgraph_optimize): Assemble the decls after expanding.
6823
6824 2005-03-30  Daniel Berlin  <dberlin@dberlin.org>
6825
6826         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Make sure
6827         subvars get marked properly in tags for grouping.
6828         (add_pointed_to_var): Mark only actual pointed to
6829         variables/subvars in addresses needed.
6830         (create_overlap_variables_for): Clear call clobbered on original
6831         variable.
6832         * tree-ssa-operands.c (get_asm_expr_operands): Don't let regular
6833         addresable vars with subvars into list.
6834         * tree-ssa.c (verify_ssa_name): Verify original is not used where
6835         subvar should be.
6836
6837 2005-03-30  Richard Henderson  <rth@redhat.com>
6838
6839         * cgraph.h (struct cgraph_node): Add alias.
6840         * varasm.c (assemble_alias): Set it.
6841         * cgraphunit.c (cgraph_assemble_pending_functions): Check it and
6842         avoid calling cgraph_expand_function.
6843
6844 2005-03-30  Tom Tromey  <tromey@redhat.com>
6845
6846         * tree.def (FILE_TYPE): Removed.
6847         * typeclass.h (enum type_class): Removed file_type_class.
6848         * dwarf2out.c (is_base_type): Updated.
6849         (gen_type_die): Likewise.
6850         * dbxout.c (dbxout_type): Updated.
6851         * builtins.c (type_to_class): Updated.
6852         * tree.c (type_contains_placeholder_1): Updated.
6853         * config/sparc/sparc.c (sparc_type_code): Updated.
6854         * config/ia64/ia64.c (hfa_element_mode): Updated.
6855         * expr.c (count_type_elements): Updated.
6856         * stor-layout.c (layout_type): Updated.
6857         * tree-inline.c (remap_type): Updated.
6858         * tree-pretty-print.c (dump_generic_node): Updated.
6859
6860 2005-03-30 Fariborz Jahanian <fjahanian@apple.com>
6861
6862         * builtins.c (expand_builtin_powi): Fix mode of
6863         2nd argument to match int.
6864         * libgcc2.h (__powisf2, __powidf2, __powixf2, __powitf2): Change
6865         2nd argument type to int.
6866         * libgcc2.c: Change prototype of __powi* functions to use
6867         int.
6868
6869 2005-03-30  Dale Johannesen  <dalej@apple.com>
6870
6871         PR middle-end/19225
6872         * calls.c (expand_call):  Flush pending deferrals before
6873         throwing call.
6874
6875 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
6876
6877         PR c/772
6878         PR c/17913
6879         * c-tree.h (C_DECL_UNJUMPABLE_STMT_EXPR,
6880         C_DECL_UNDEFINABLE_STMT_EXPR, struct c_label_list, struct
6881         c_label_context, label_context_stack): New.
6882         * c-decl.c (define_label): Check for jumps into statement
6883         expressions.  Add label to list of defined labels.
6884         (start_function): Push context on label_context_stack.
6885         (finish_function): Pop context from label_context_stack.
6886         * c-typeck.c (label_context_stack): New.
6887         (c_finish_goto_label): Check for jumps into statement
6888         expressions.  Add label to list of jumped to labels.
6889         (struct c_switch): Add blocked_stmt_expr.
6890         (c_start_case): Initialize it.
6891         (do_case): Check it.
6892         (c_finish_case): Verify !blocked_stmt_expr.
6893         (c_begin_stmt_expr):  Push context on label_context_stack.
6894         Increment blocked_stmt_expr.  Mark labels jumped to from outside
6895         as undefinable.
6896         (c_finish_stmt_expr): December blocked_stmt_expr.  Mark labels
6897         defined in the statement expression and no longer jumpable to.
6898         Mark labels jumped to from just outside the statement expression
6899         as again definable.  Pop context from label_context_stack.
6900         * doc/extend.texi (Statement Exprs): Update.
6901
6902 2005-03-30  Joseph S. Myers  <joseph@codesourcery.com>
6903
6904         PR c/20368
6905         * c-decl.c (start_function): Check for old_decl being
6906         error_mark_node.
6907
6908 2005-03-30  Ian Lance Taylor  <ian@airs.com>
6909
6910         * final.c (final): Remove prescan parameter.  Change all callers.
6911         (final_scan_insn): Remove prescan parameter.  Change all callers.
6912
6913 2005-03-30  Kazu Hirata  <kazu@cs.umass.edu>
6914
6915         * tree-vectorizer.c: Fix comment typos.
6916
6917 2005-03-30  Sebastian Pop  <pop@cri.ensmp.fr>
6918
6919         * tree-scalar-evolution.c (instantiate_parameters_1): Return
6920         as soon as a chrec_dont_know is detected.
6921
6922 2005-03-31  Danny Smith  <dannysmith@users.sourceforge.net>
6923
6924         Merge from csl-arm-branch.
6925         2004-02-12  Mark Mitchell  <mark@codesourcery.com>
6926
6927         * tlink.c (recompile_files): Do not assume that "rename" can
6928         overwrite an existing file.
6929
6930 2005-03-31  Paolo Bonzini  <bonzini@gnu.org>
6931
6932         * gcc/configure.ac (TL_AC_GNU_MAKE_GCC_LIB_PATH): Remove.
6933         * gcc/configure: Regenerate.
6934
6935 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
6936
6937         * doc/install.texi: Update binutils requirement for powerpc*-linux.
6938
6939         * config/rs6000/rs6000.c (rs6000_arg_partial_bytes): Update comments.
6940
6941         * calls.c (struct arg_data): Update "partial" comment.
6942         (load_register_parameters): Update "nregs" comment.
6943
6944 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
6945
6946         * config/iq2000/iq2000.h (target_flags, MASK_GPOPT, MASK_EMBEDDED_DATA)
6947         (MASK_UNINIT_CONST_IN_RODATA, TARGET_EMBEDDED_DATA, TARGET_SWITCHES)
6948         (TARGET_DEFAULT, TARGET_CPU_DEFAULT, SUBTARGET_TARGET_OPTIONS)
6949         (TARGET_OPTIONS, iq2000_cpu_string, iq2000_arch_string): Delete.
6950         (TARGET_DEBUG_MODE, TARGET_DEBUG_A_MODE, TARGET_DEBUG_B_MODE)
6951         (TARGET_DEBUG_C_MODE, TARGET_DEBUG_D_MODE): Define to 0 rather
6952         than target_flags & 0.
6953         * config/iq2000/iq2000.c (iq2000_cpu_string, iq2000_arch_string)
6954         (iq2000_arch, iq2000_parse_cpu): Delete.
6955         (TARGET_HANDLE_OPTION): Override default.
6956         (iq2000_handle_option): New function.
6957         (override_options): Remove -march= and -mcpu= handling.
6958         * config/iq2000/iq2000.opt: New file.
6959
6960 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
6961
6962         * config/c4x/c4x-protos.h (c4x_rpts_cycles, c4x_cpu_version): Delete.
6963         * config/c4x/c4x.h (SMALL_MEMORY_FLAG, MPYI_FLAG, FAST_FIX_FLAG)
6964         (RPTS_FLAG, C3X_FLAG, TI_FLAG, PARANOID_FLAG, MEMPARM_FLAG, DEVEL_FLAG)
6965         (RPTB_FLAG, BK_FLAG, DB_FLAG, DEBUG_FLAG, HOIST_FLAG)
6966         (LOOP_UNSIGNED_FLAG, FORCE_FLAG, PRESERVE_FLOAT_FLAG)
6967         (PARALLEL_INSN_FLAG, PARALLEL_MPY_FLAG, ALIASES_FLAG, C30_FLAG)
6968         (C31_FLAG, C32_FLAG, C33_FLAG, C40_FLAG, C44_FLAG, TARGET_SWITCHES)
6969         (TARGET_DEFAULT, TARGET_SMALL, TARGET_MPYI, TARGET_FAST_FIX)
6970         (TARGET_RPTS, TARGET_TI, TARGET_PARANOID, TARGET_MEMPARM, TARGET_DEVEL)
6971         (TARGET_RPTB, TARGET_BK, TARGET_DB, TARGET_DEBUG, TARGET_HOIST)
6972         (TARGET_LOOP_UNSIGNED, TARGET_FORCE, TARGET_PRESERVE_FLOAT)
6973         (TARGET_PARALLEL, TARGET_PARALLEL_MPY, TARGET_ALIASES)
6974         (c4x_rpts_cycles_string, c4x_cpu_version_string)
6975         (TARGET_OPTIONS): Delete.
6976         (c4x_rpts_cycles, c4x_cpu_version): Declare.
6977         (TARGET_C3X, TARGET_C30, TARGET_C31, TARGET_C32, TARGET_C33)
6978         (TARGET_C40, TARGET_C44): Redefine in terms of c4x_cpu_version.
6979         * config/c4x/c4x.c (c4x_rpts_cycles_string): Delete.
6980         (c4x_cpu_version_string): Delete.
6981         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
6982         (c4x_handle_option): New function.  Map -m3x and -m4x options to the
6983         equivalent -mcpu= option.
6984         (c4x_override_options): Remove -mrpts= and -mcpu= handling from here.
6985         Deal with the extra conditions in the old TARGET_MPYI, TARGET_RPTB,
6986         TARGET_DB, TARGET_PARALLEL and TARGET_PARALLEL_MPY macros by setting
6987         or clearing the appropriate MASK_* bit.
6988         (c4x_file_start): Use c4x_cpu_version.
6989         * config/c4x/c4x.opt: New file.
6990
6991 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
6992
6993         * doc/options.texi: Document the new MaskExists flag.
6994         * opth-gen.awk: Don't output MASK and TARGET macros for Mask(...)
6995         if the option has the MaskExists flag.
6996
6997 2005-03-30  Richard Sandiford  <rsandifo@redhat.com>
6998
6999         * opt-functions.awk (flag_set_p, test_flag): New functions.
7000         (switch_flags): Use them.
7001         * opth-gen.awk: Use flag_set_p to check for flags.
7002         * optc-gen.awk: Likewise.  Use opt_args to check for Init(...) flags.
7003
7004 2005-03-30  Ian Lance Taylor  <ian@airs.com>
7005
7006         * config.host (i[34567]86-*-mingw32*): Don't set
7007         host_can_use_collect2 to no.
7008
7009 2005-03-30  Alan Modra  <amodra@bigpond.net.au>
7010
7011         PR target/20203
7012         * builtins.c (get_memory_rtx): Expand address exp using EXPAND_NORMAL.
7013         Remove convert_memory_address call duplicating that in memory_address.
7014
7015 2005-03-29  Richard Henderson  <rth@redhat.com>
7016
7017         PR c/20519
7018         * c-decl.c (c_finish_incomplete_decl): Update complete_array_type call.
7019         (build_compound_literal): Likewise.  Propagate decl type into the
7020         initializer.
7021         (finish_decl): Likewise.  Use new return value from complete_array_type
7022         for zero sized arrays.
7023         (complete_array_type): Move ...
7024         * c-common.c (complete_array_type): ... here.  Change first argument
7025         to pointer-to-type-node.  Consistently use sizetype for the index
7026         except for zero sized arrays.  Detect zero sized arrays for pedantic
7027         mode diagnostics.  Create a new type node instead of modifying the
7028         old node in place.
7029         * c-tree.h (complete_array_type): Move decl ...
7030         * c-common.h (complete_array_type): ... here.
7031
7032 2005-03-29  Richard Henderson  <rth@redhat.com>
7033
7034         PR tree-opt/19108
7035         * tree-sra.c (generate_element_init_1): Handle RANGE_EXPR.
7036
7037 2005-03-29  Kazu Hirata  <kazu@cs.umass.edu>
7038
7039         * builtin-types.def, c-convert.c, c-format.c, ddg.c, debug.c,
7040         debug.h, et-forest.c, et-forest.h, gcov.c, rtl-profile.c,
7041         rtlhooks-def.h, rtlhooks.c, sdbout.c, tree-inline.h,
7042         tree-profile.c, tsystem.h, value-prof.h: Update copyright.
7043
7044 2005-03-29  Eric Christopher  <echristo@redhat.com>
7045
7046         * config/mips/mips.c (mips_gimplify_va_arg_expr): Update for
7047         truthvalue conversion removal.
7048
7049 2005-03-29  Ian Lance Taylor  <ian@airs.com>
7050
7051         PR bootstrap/14316
7052         * collect2.c: Never include <vfork.h>.
7053         (VFORK_STRING, vfork): Don't define.
7054         (pid): Remove global variable.
7055         (handler): Call raise instead of kill (getpid(), ...).
7056         (collect_wait): Add pex parameter.  Change all callers.  Use
7057         pex_get_status rather than pwait.
7058         (do_wait): Add pex parameter.  Change all callers.
7059         (collect_execute): Return struct pex_obj * rather than void.  Use
7060         pex routines rather than pexecute.
7061         (fork_execute): Get pex_obj from collect_execute, and pass it to
7062         do_wait.
7063         (scan_prog_file): Use pex routines rather than pipe/vfork/exec.
7064         Only declare quit_handler if SIGQUIT is defined.
7065         (scan_libraries): Likewise.
7066         * collect2.h (collect_execute): Update declaration.
7067         (collect_wait): Update declaration.
7068         * tlink.c (tlink_execute): Get pex_obj from collect_execute, and
7069         pass it to collect_wait.
7070
7071 2005-03-29  Joseph S. Myers  <joseph@codesourcery.com>
7072
7073         PR c/20672
7074         * c-parser.c (c_parser_compound_statement_nostart): Give error
7075         message for EOF instead of just setting parser->error.
7076
7077 2005-03-29  Dorit Naishlos  <dorit@il.ibm.com>
7078
7079         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard): Removed.
7080         (slpeel_update_phi_nodes_for_guard1): New function.
7081         (slpeel_update_phi_nodes_for_guard2): New function.
7082         (slpeel_tree_peel_loop_to_edge): Call above new functions instead
7083         of slpeel_update_phi_nodes_for_guard.
7084         (vectorize_loops): Remove call to loop_closed_rewrite.
7085         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Remove
7086         assertion.
7087
7088 2005-03-29  Richard Sandiford  <rsandifo@redhat.com>
7089
7090         * config/m32r/little.h (TARGET_ENDIAN_DEFAULT): Delete.
7091         (TARGET_LITTLE_ENDIAN): New macro.
7092         * config/m32r/m32r.h (SUBTARGET_SWITCHES, target_flags)
7093         (TARGET_RELAX_MASK, TARGET_DEBUG_MASK, TARGET_DEBUG)
7094         (TARGET_ALIGN_LOOPS_MASK, TARGET_ALIGN_LOOPS)
7095         (TARGET_LOW_ISSUE_RATE_MASK, TARGET_LOW_ISSUE_RATE)
7096         (TARGET_BRANCH_COST_MASK, TARGET_BRANCH_COST, TARGET_M32RX_MASK)
7097         (TARGET_M32RX, TARGET_M32R2_MASK, TARGET_M32R2, LITTLE_ENDIAN_BIT)
7098         (TARGET_ENDIAN_DEFAULT, SUBTARGET_SWITCHES, TARGET_DEFAULT)
7099         (TARGET_SWITCHES, m32r_model_string, m32r_sdata_string)
7100         (m32r_cache_flush_trap_string, SUBTARGET_OPTIONS)
7101         (TARGET_OPTIONS): Delete.
7102         (M32R_MODEL_DEFAULT, M32R_SDATA_DEFAULT): Turn into enums.
7103         (CACHE_FLUSH_TRAP): Turn into an integer.
7104         (TARGET_LITTLE_ENDIAN): Define to 0 by default.
7105         (INITIALIZE_TRAMPOLINE): Check m32r_cache_trap >= 0 to see if
7106         -mflush-trap is in use.
7107         * config/m32r/m32r.c (m32r_model_string, m32r_sdata_string)
7108         (m32r_cache_flush_trap_string): Delete.
7109         (m32r_model) Initialize to M32R_MODEL_DEFAULT.
7110         (m32r_sdata): Likewise M32R_SDATA_DEFAULT.
7111         (m32r_cache_trap): Likewise CACHE_FLUSH_TRAP.
7112         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7113         (m32r_handle_option): New function.  Move -mflush-trap=, -mflush-func=,
7114         -mmodel= and -msdata= handling from...
7115         (m32r_init): ...here.
7116         * config/m32r/m32r.opt: New file.
7117
7118 2005-03-29  Keith Besaw  <kbesaw@us.ibm.com>
7119
7120         * tree-ssanames.c (duplicate_ssa_name_ptr_info): New function.
7121         (duplicate_ssa_name): Call duplicate_ssa_name_ptr_info.
7122         * tree-vect-analyze.c (vect_object_analysis): additional parm
7123         pass back a "struct ptr_info_def *" with the points-to info.
7124         (vect_analyze_data_refs): set the STMT_VINFO_PTR_INFO for the
7125         statement using info returned from vect_object_analysis.
7126         * tree-vect-transform.c (update_vuses_to_preheader): New function.
7127         (vect_create_data_ref_ptr): Remove updates to vars_to_rename
7128         for virtual uses and defs when creating a replacement vector
7129         reference.  Call duplicate_ssa_name_ptr_info to define points-to
7130         info for vector pointer replacement using STMT_VINFO_PTR_INFO.
7131         (vectorizable_store): copy_virtual_operands and update
7132         definition statements.
7133         (vectorizable_load): copy_virtual_operands.  Remove call to
7134         mark_call_clobbered_vars_to_rename for call to "const" builtin.
7135         * tree-vectorizer.c (vectorize_loops): Remove calls to
7136         rewrite_into_ssa and bitmap_clear (vars_to_rename).
7137         (new_stmt_vec_info): initialize STMT_VINFO_PTR_INFO for stmt.
7138         * tree-vectorizer.h (_stmt_vec_info): add field ptr_info and
7139         define macro STMT_VINFO_PTR_INFO for use in accessing.
7140         * tree.h add export of duplicate_ssa_name_ptr_info.
7141         * rs6000.c (altivec_init_builtins): Declare builtin function
7142         __builtin_altivec_mask_for_load to be "const".
7143
7144 2005-03-29  Jakub Jelinek  <jakub@redhat.com>
7145
7146         PR middle-end/20622
7147         * cgraph.h (struct cgraph_varpool_node): Add alias field.
7148         * cgraph.c (cgraph_varpool_assemble_pending_decls): Don't call
7149         assemble_variable on aliases.
7150         * varasm.c (assemble_alias): Set node->alias.
7151         * toplev.c (wrapup_global_declarations): Don't call
7152         rest_of_decl_compilation on aliases again.
7153
7154 2005-03-29  Paul Brook  <paul@codesourcery.com>
7155
7156         * config/arm/arm-protos.h (arm_dbx_register_number): Add prototype.
7157         * config/arm/arm.c (arm_dbx_register_number): New function.
7158         * config/arm/arm.h (IS_FPA_REGNUM, DBX_REGISTER_NUMBER): Define.
7159
7160 2005-03-29  Eric Botcazou  <ebotcazou@libertysurf.fr>
7161
7162         PR middle-end/20263
7163         * varasm.c (make_decl_rtl) [ASM_DECLARE_REGISTER_GLOBAL]: Use
7164         the DECL_NAME, not the DECL_ASSEMBLER_NAME.
7165
7166 2005-03-29  Dale Johannesen <dalej@apple.com>
7167
7168         * Makefile.in (value-prof.o): New dependencies on $(DIAGNOSTIC_H)
7169         $(TREE_H) and $(COVERAGE_H).
7170         * coverage.c (compute_checksum): Use DECL_NAME not DECL_ASSEMBLER_NAME.
7171         * opts.c (common_handle_option): Enable tree-based value transforms.
7172         * toplev.c (process_options): Ditto.
7173         * value-prof.h (struct histogram_value_t): Redefine. "Adjust" below
7174         refers to references to this type.
7175         * tree-flow.h: (struct stmt_ann_d): Add histograms field.
7176         * rtl-profile.c (rtl_gen_interval_profiler): Adjust. Remove checks
7177         for may_be_more, may_be_less.
7178         (rtl_gen_pow2_profiler): Adjust.
7179         (rtl_gen_one_value_profiler_no_edge_manip): Adjust.
7180         (rtl_gen_one_value_profiler): Adjust.
7181         (rtl_gen_const_delta_profiler): Adjust.
7182         * tree-profile.c (tree_gen_interval_profiler): Implement.
7183         (tree_gen_pow2_profiler): Ditto.
7184         (tree_gen_one_value_profiler): Ditto.
7185         (tree_profiling): New.
7186         (pass_tree_profile): Reference it.
7187         * value-prof.c: Include tree-flow.h, tree-flow-inline.h, diagnostic.h,
7188         tree.h, gcov-io.h.
7189         (insn_divmod_values_to_profile): Rename to
7190         rtl_divmod_values_to_profile. Adjust.
7191         (insn_values_to_profile): Rename to rtl_values_to_profile. Adjust.
7192         (insn_prefetch_values_to_profile): Adjust.
7193         (rtl_value_profile_transformations): Adjust.
7194         (gen_divmod_fixed_value): Rename to rtl_divmod_fixed_value.
7195         (gen_mod_pow2): Rename to rtl_mod_pow2.
7196         (gen_mod_subtract): Rename to rtl_mod_subtract.
7197         (divmod_fixed_value_transform): Rename to
7198         rtl_divmod_fixed_value_transform.
7199         (mod_pow2_value_transform): Rename to rtl_mod_pow2_value_transform.
7200         (mod_subtract_transform): Rename to rtl_mod_subtract_transform.
7201         (rtl_find_values_to_profile): Adjust.
7202         (tree_value_profile_transformations): Implement.
7203         (tree_divmod_values_to_profile): New.
7204         (tree_values_to_profile): New.
7205         (tree_divmod_fixed_value): New.
7206         (tree_mod_pow2): New.
7207         (tree_mod_subtract): New.
7208         (tree_divmod_fixed_value_transform): New.
7209         (tree_mod_pow2_value_transform): New.
7210         (tree_mod_subtract_transform): New.
7211         (tree_find_values_to_profile): Implement.
7212         * profile.c (instrument_values):  Free histograms.
7213         (compute_value_histograms): Adjust. Implement tree version.
7214
7215 2005-03-29  Uros Bizjak  <uros@kss-loka.si>
7216
7217         * reg-stack.c (subst_stack_regs_pat): Handle <UNSPEC_FIST> case.
7218         * config/i386/i386.c (output_fix_trunc): Add new round_mode
7219         variable.  Output "fldcw" depending on round_mode.
7220         * config/i386/i386.md (UNSPEC_FIST): New.
7221         (fistdi2, fistdi2_with_temp, fist<mode>2, fist<mode>2_with_temp):
7222         New isns patterns to implement lrint and llrint built-ins as x87
7223         intrinsic function.
7224         (fistdi2, fist<mode>2 splitters): New splitters.
7225         (lrint<mode>2): New expanders.
7226
7227 2005-03-28  Ian Lance Taylor  <ian@airs.com>
7228
7229         * config/arc/arc.c (arc_output_function_epilogue): Pass prescan as
7230         0 when calling final_scan_insn.
7231
7232 2005-03-28  Jan Hubicka  <jh@suse.cz>
7233
7234         PR middle-end/20635
7235         * varasm.c (mark_decl_referenced): Do not mark extern inline functions
7236         as needed.
7237
7238         * tree-inline.c (estimate_num_insns_1): Use declaration to discover argument
7239         types where possible.
7240
7241 2005-03-26  Per Bothner  <per@bothner.com>
7242
7243         Make -f[no-]show-column also control non-cpp diagnostics.
7244         * c.opt (fshow-column): Move option from here ...
7245         * common.opt (fshow-column): ... to here.
7246         * diagnostic.c (diagnostic_build_prefix): Only print column number
7247         if flag_show_column.
7248
7249 2005-03-27  Steven Bosscher  <stevenb@suse.de>
7250
7251         * vax-protos.h (vax_output_int_move, vax_output_int_add,
7252         vax_output_conditional_branch): New prototypes.
7253         * vax.c (vax_output_int_move, vax_output_int_add): New functions,
7254         extracted from vax.md mov and add patterns.
7255         (vax_output_conditional_branch): New function to output conditional
7256         branch instructions.
7257         * vax.md: Use mode macros for arithmetic and mov patterns.
7258         Use code macros for the jump patterns.
7259
7260 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
7261
7262         * Makefile.in (libbackend.o): Depend on version files;
7263         add custom generation command.
7264
7265 2005-03-26  Andrew Pinski  <pinskia@physics.uc.edu>
7266
7267         PR target/20636
7268         * config/rs6000/rs6000.md (extendsfdf2_fpr): Check to make
7269         sure that we have a REG before getting its REGNO.
7270
7271 2005-03-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
7272
7273         * builtin-types.def (BT_FN_STRING_CONST_STRING_SIZE): New.
7274         * builtins.def (BUILT_IN_STRNDUP): New.
7275
7276 2005-03-25  Pat Haugen  <pthaugen@us.ibm.com>
7277
7278         PR tree-optimization/20470
7279         * fold-const.c (fold_cond_expr_with_comparison): Recognize/fold
7280         ABS(x-y).
7281
7282 2005-03-25  Mike Stump  <mrs@apple.com>
7283
7284         * config/darwin.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Don't allow 0
7285         sized objects.
7286
7287 2005-03-25  Geoffrey Keating  <geoffk@apple.com>
7288
7289         * config/rs6000/darwin-fallback.c: Don't include <ucontext.h>.
7290         Use our own structure definitions.
7291
7292         * config/rs6000/rs6000.md (UNSPEC constants): Add UNSPEC_STFIWX.
7293         (fix_truncdfsi2): Allow registers or memory as destination.
7294         When TARGET_PPC_GFXOPT, generate simplified pattern.
7295         (fix_truncdfsi2_internal): Use define_insn_and_split.
7296         (fix_truncdfsi2_internal_gfxopt): New.
7297         (fctiwz): Don't confuse register allocation by giving it no choices.
7298         (stfiwx): New.
7299         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'Z'.
7300         (EXTRA_MEMORY_CONSTRAINT): Likewise.
7301         * config/rs6000/rs6000.c (indexed_or_indirect_operand): New.
7302         * config/rs6000/rs6000-protos.h (indexed_or_indirect_operand): New.
7303
7304 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
7305
7306         * dominance.c (free_dominance_info): Speed up by freeing et
7307         data structures without maintaining other nodes.
7308         * et-forest.c (et_free_tree_force): New.
7309         * et-forest.h: Add a prototype for et_free_tree_force.
7310
7311         * tree.c (get_set_constructor_bits,
7312         get_set_constructor_bytes): Remove.
7313         * tree.h: Remove the corresponding prototypes.
7314
7315 2005-03-25  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
7316
7317         PR target/15491
7318         * vax.c (vax_rtx_costs_1): Merge with vax_rtx_costs.
7319         (vax_rtx_costs): Return false when passed unsupported rtx's.  Handle
7320         FLOAT_EXTEND, FLOAT_TRUNCATE and TRUNCATE.  Fix costs for POST_INC,
7321         PRE_DEC, NEG and NOT.
7322
7323 2005-03-25  Kazu Hirata  <kazu@cs.umass.edu>
7324
7325         * fold-const.c: Convert uses of fold (build (...)) to
7326         fold_buildN.
7327
7328 2005-03-25  Zdenek Dvorak  <dvorakz@suse.cz>
7329
7330         PR rtl-optimization/20249
7331         * cse.c (insert_regs): Do not record equivalence of registers in
7332         different modes.
7333
7334 2005-03-24  Kazu Hirata  <kazu@cs.umass.edu>
7335
7336         * emit-rtl.c (reverse_comparison): Remove.
7337         * rtl.h: Remove the corresponding prototype.
7338
7339 2005-03-24  James E Wilson  <wilson@specifixinc.com>
7340
7341         * doc/install.texi (--enable-altivec): Delete docs.
7342
7343 2005-03-24  David Edelsohn  <edelsohn@gnu.org>
7344
7345         * config/rs6000/predicates.md (easy_fp_constant): Return 0 for
7346         SFmode and DFmode before reload when
7347         flag_unsafe_math_optimizations not enabled.
7348
7349 2005-03-24  Geoffrey Keating  <geoffk@apple.com>
7350
7351         * c.opt (fvisibility-inlines-hidden): Allow for ObjC++.
7352
7353         * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Add
7354         MASK_128BIT_LONG_DOUBLE, MASK_ALIGN_DOUBLE.
7355
7356 2005-03-24  Nathan Sidwell  <nathan@codesourcery.com>
7357
7358         * configure.ac (enable-checking): Add 'runtime' option.
7359         * doc/install.texi (enable-checking): Document 'runtime' checking.
7360         * tsystem.h (gcc_assert, gcc_unreachable): Define.
7361         * config.in: Regenerated.
7362         * configure: Regenerated.
7363
7364 2005-03-23  Uros Bizjak  <uros@kss-loka.si>
7365
7366         * optabs.h (enum optab_index): Remove OTI_llrint.
7367         (llrint_optab): Remove macro.
7368         * optabs.c (init_optabs): Remove llrint_optab initialization.
7369         * genopinit.c (optabs): Remove llrint_optab implementation.
7370         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LLRINT{,F,L}
7371         using lrint_optab.
7372
7373 2005-03-24  Alexandre Oliva  <aoliva@redhat.com>
7374
7375         PR rtl-optimization/20532
7376         * simplify-rtx.c (simplify_binary_operation_1): Protect from
7377         overflow when adding coefficients for PLUS or MINUS.
7378         (simplify_binary_operation_1): Handle CONST_DOUBLE exact power of
7379         two as multiplier.
7380
7381 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
7382
7383         * langhooks.h (truthvalue_conversion): Remove.
7384         * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
7385         LANG_HOOKS_TRUTHVALUE_CONVERSION.
7386         * system.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Poison.
7387         * gimplify.c (gimple_boolify): Don't use truthvalue_conversion.
7388         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Remove.
7389
7390 2005-03-23  Kazu Hirata  <kazu@cs.umass.edu>
7391
7392         * params.def: Fix a typo.
7393         * config/mips/mips.c: Follow the spelling convensions.
7394         * doc/invoke.texi: Fix typos.
7395
7396 2005-03-23  Daniel Berlin  <dberlin@dberlin.org>
7397
7398         Fix PR tree-optimization/20601
7399
7400         * tree-ssa-pre.c (insert_aux): Add missing condition to
7401         constification.
7402
7403 2005-03-23  Ian Lance Taylor  <ian@airs.com>
7404
7405         * final.c (final_scan_insn): Don't remove no-op instructions.
7406         * reload1.c (reload): Remove simple no-op instructions even when
7407         not optimizing.
7408
7409 2005-03-23  Dorit Naishlos  <dorit@il.ib.com>
7410
7411         PR tree-optimization/20501
7412         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Debug print
7413         reporting that peeling for alignment is applied moved to...
7414         * (vect_analyze_data_refs_alignment): Here.
7415
7416 2005-03-23  Ian Lance Taylor  <ian@airs.com>
7417
7418         * reorg.c (dbr_schedule): Remove #if 0 code to call final.
7419
7420 2005-03-23  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
7421
7422         * config.gcc (alpha*-dec-osf[45]*): Remove target_cpu_default.
7423         Define TARGET_SUPPORT_ARCH except on Tru64 UNIX V4.0A.
7424
7425 2005-03-23  Hans-Peter Nilsson  <hp@axis.com>
7426
7427         * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Adjust wording to not
7428         imply that this is called once, independent of asms in code.
7429         Adjust to now being pased output and input lists.  Mention helper
7430         function decl_overlaps_hard_reg_set_p.
7431         * hooks.c (hook_tree_tree_tree_tree_3rd_identity): Rename from
7432         hook_tree_tree_identity and to take three trees, returning third.
7433         * hooks.h (hook_tree_tree_tree_tree_3rd_identity): Adjust the
7434         prototype.
7435         * stmt.c: include hard-reg-set.h before tree.h.
7436         (decl_overlaps_hard_reg_set_p): New function, broken out from...
7437         (decl_conflicts_with_clobbers_p): Call
7438         decl_overlaps_hard_reg_set_p.
7439         (expand_asm_operands): Pass output and input lists in call to
7440         targetm.md_asm_clobbers.
7441         * target-def.h (TARGET_MD_ASM_CLOBBERS): Define as
7442         hook_tree_tree_tree_tree_3rd_identity.
7443         * target.h (struct gcc_target.md_asm_clobbers): Take three tree
7444         parameters.
7445         * tree.h [HARD_CONST] (decl_overlaps_hard_reg_set_p): Prototype.
7446         * config/i386/i386.c (ix86_md_asm_clobbers): Adjust to three
7447         parameters, first two unused.
7448         * config/cris/cris.c (cris_md_asm_clobbers): Adjust to added
7449         parameters.  Only add MOF to clobbers if there's no 'h' mentioned
7450         in constraint letters and MOF is not mentioned as a asm-declared
7451         register in neither of the input and output lists.
7452
7453 2005-03-23  DJ Delorie  <dj@redhat.com>
7454
7455         * optabs.c (expand_binop): Make sure the first subword's result
7456         gets stored.
7457
7458 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
7459
7460         * c-common.c (c_common_truthvalue_conversion): Adjust comment.
7461         Call c_common_truthvalue_conversion rather than
7462         lang_hooks.truthvalue_conversion.
7463         * c-convert.c (convert): Call c_objc_common_truthvalue_conversion.
7464         * c-objc-common.c (c_objc_common_truthvalue_conversion): Move to
7465         c-typeck.c.
7466         * c-objc-common.h (LANG_HOOKS_TRUTHVALUE_CONVERSION): Change to
7467         c_common_truthvalue_conversion.
7468         * c-parser.c (c_parser_paren_condition, c_parser_for_statement,
7469         c_parser_conditional_expression, c_parser_binary_expression): Call
7470         c_objc_common_truthvalue_conversion.
7471         * c-typeck.c (build_unary_op): Call
7472         c_objc_common_truthvalue_conversion.
7473         (build_conditional_expr): Do not call
7474         lang_hooks.truthvalue_conversion.
7475         (build_binary_op): Call c_common_truthvalue_conversion.
7476         (c_objc_common_truthvalue_conversion): Moved from
7477         c-objc-common.c.  Call default_function_array_conversion instead
7478         of default_conversion.
7479
7480 2005-03-23  Joseph S. Myers  <joseph@codesourcery.com>
7481
7482         * c-common.h (default_conversion): Remove.
7483         (perform_integral_promotions): Add.
7484         * c-tree.h (default_conversion): Add.
7485         * c-typeck.c (perform_integral_promotions): New, split out from
7486         default_conversion.
7487         * c-common.c (check_case_value): Use perform_integral_promotions,
7488         not default_conversion.
7489         (c_add_case_label): Don't continue processing case label after
7490         found to be pointer.
7491
7492 2005-03-23  Mark Mitchell  <mark@codesourcery.com>
7493
7494         * gcc.c (do_spec_1): Do not add a -L path for a directory in
7495         the prefix list if we have already added a multilib directory
7496         based on that path.
7497         (main): Do not add MD_EXEC_PREFIX to the list of directories to
7498         search with -L.
7499
7500 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
7501
7502         * reload1.c (indirect_symref_ok, reload_obstack): Make them
7503         static.
7504         * reload.h: Remove the prototype for indirect_symref_ok.
7505
7506         * reload1.c (indirect_symref_ok): Make it global.
7507         * reload.h: Add a prototype for indirect_symref_ok.
7508
7509 2005-03-22  Kaz Kojima  <kkojima@gcc.gnu.org>
7510
7511         * config/sh/sh.md (ashlhi3): Rename to *ashlhi3_n and add a new
7512         ashlhi3 expander.
7513
7514 2005-03-22  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
7515
7516         * tree.h (DECL_IGNORED_P, DECL_IN_SYSTEM_HEADER): Clarify comments.
7517
7518 2005-03-22  Daniel Berlin  <dberlin@dberlin.org>
7519
7520         * c-opts.c (c_common_parse_file): Only start/end main source file
7521         if debug hooks says the writer wants it.
7522         * dbxout.c (dbx_debug_hooks): Add start_end_main_source_file
7523         member.
7524         (xcoff_debug_hooks): Ditto.
7525         * debug.c (do_nothing_hooks): Ditto.
7526         * debug.h (gcc_debug_hooks): Ditto.
7527         * dwarf2out.c (dwarf2_debug_hooks): Ditto.
7528         * sdbout.c (sdb_debug_hooks): Ditto.
7529         * vmsdbgout.c (vmsdbg_debug_hooks): Ditto.
7530
7531 2005-03-22  Mark Mitchell  <mark@codesourcery.com>
7532
7533         * doc/extend.texi: Deprecate C++ min/max operators.
7534
7535 2005-03-22  Zdenek Dvorak  <dvorakz@suse.cz>
7536
7537         * tree-ssa-loop-ivopts.c (determine_iv_cost): Do not try to preserve
7538         artificial original candidates.
7539
7540 2005-03-22  Richard Guenther <rguenth@tat.physik.uni-tuebingen.de>
7541             Jan Hubicka  <jh@suse.cz>
7542             Steven Bosscher <stevenb@suse.de>
7543
7544         * cgraphunit.c (cgraph_estimate_size_after_inlining): Compute
7545         call cost based on argument sizes.
7546         (cgraph_mark_inline_edge): Avoid inline unit from shrinking by
7547         inlining.
7548         * params.def: (max-inline-inssn-single): Set to 450.
7549         (max-inline-insns-auto): Set to 90.
7550         (max-inline-insns-recursive): Set to 450
7551         (max-inline-insns-recursive-auto): Set to 450.
7552         (large-function-insns): Set to 2700.
7553         (inline-call-cost): New parameter.
7554         * tree-inline.c (estimate_move_cost): New function.
7555         (estimate_num_insns_1): Compute move sizes costs by estimate_move_cost
7556         for non-gimple-regs, set cost to 0 for gimple-regs.  Compute call size
7557         based on arguments.
7558         * tree-inline.h (estimate_move_cost): Declare.
7559         * invoke.texi: (max-inline-inssn-single): Change default to 450.
7560         (max-inline-insns-auto): Change default to 90.
7561         (max-inline-insns-recursive): Change default to 450
7562         (max-inline-insns-recursive-auto): Change default to 450.
7563         (large-function-insns): Change default to 2700.
7564         (inline-call-cost): Document new parameter.
7565
7566 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
7567
7568         * config/i860/i860.h (target_flags, TARGET_XP, TARGET_SWITCHES)
7569         (TARGET_DEFAULT): Delete.
7570         * config/i860/i860.opt: New file.
7571
7572 2005-03-22  Richard Sandiford  <rsandifo@redhat.com>
7573
7574         * config/frv/frv-protos.h (frv_branch_cost_string, frv_branch_cost_int)
7575         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
7576         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
7577         (frv_sched_lookahead): Delete.
7578         * config/frv/frv.h (MASK_DEFAULT_ALLOC_CC): Move to frv.c.
7579         (target_flags, MASK_GPR_32, MASK_FPR_32, MASK_SOFT_FLOAT)
7580         (MASK_ALLOC_CC, MASK_DWORD, MASK_DOUBLE, MASK_MEDIA, MASK_MULADD)
7581         (MASK_LIBPIC, MASK_ACC_4,  MASK_PACK, MASK_LONG_CALLS)
7582         (MASK_ALIGN_LABELS, MASK_LINKED_FP, MASK_BIG_TLS, MASK_DEBUG_ARG)
7583         (MASK_DEBUG_ADDR, MASK_DEBUG_STACK, MASK_DEBUG, MASK_DEBUG_LOC)
7584         (MASK_DEBUG_COND_EXEC, MASK_NO_COND_MOVE, MASK_NO_SCC)
7585         (MASK_NO_COND_EXEC, MASK_NO_VLIW_BRANCH, MASK_NO_MULTI_CE)
7586         (MASK_FDPIC, MASK_INLINE_PLT, MASK_GPREL_RO, MASK_DEFAULT)
7587         (TARGET_GPR_32, TARGET_FPR_32, TARGET_SOFT_FLOAT, TARGET_ALLOC_CC)
7588         (TARGET_DWORD, TARGET_DOUBLE, TARGET_MEDIA, TARGET_MULADD)
7589         (TARGET_LIBPIC, TARGET_ACC_4, TARGET_DEBUG_ARG, TARGET_DEBUG_ADDR)
7590         (TARGET_DEBUG_STACK, TARGET_DEBUG, TARGET_DEBUG_LOC)
7591         (TARGET_DEBUG_COND_EXEC, TARGET_NO_COND_MOVE, TARGET_NO_SCC)
7592         (TARGET_NO_COND_EXEC, TARGET_NO_VLIW_BRANCH, TARGET_NO_MULTI_CE)
7593         (TARGET_NO_NESTED_CE, TARGET_FDPIC, TARGET_INLINE_PLT, TARGET_BIG_TLS)
7594         (TARGET_GPREL_RO, TARGET_PACK, TARGET_LONG_CALLS, TARGET_ALIGN_LABELS)
7595         (TARGET_LINKED_FP, TARGET_GPR_64, TARGET_FPR_64, TARGET_HARD_FLOAT)
7596         (TARGET_FIXED_CC, TARGET_COND_MOVE, TARGET_SCC, TARGET_COND_EXEC)
7597         (TARGET_VLIW_BRANCH, TARGET_MULTI_CE, TARGET_NESTED_CE, TARGET_ACC_8)
7598         (TARGET_SWITCHES, TARGET_OPTIONS, DEFAULT_CONDEXEC_TEMPS)
7599         (DEFAULT_BRANCH_COST, DEFAULT_CONDEXEC_INSNS): Delete.
7600         * config/frv/frv.c (frv_branch_cost_string, frv_branch_cost_int)
7601         (frv_cpu_string, frv_condexec_insns_str, frv_condexec_insns)
7602         (frv_condexec_temps_str, frv_condexec_temps, frv_sched_lookahead_str)
7603         (frv_sched_lookahead): Delete.
7604         (MASK_DEFAULT_ALLOC_CC): Moved from frv.h.
7605         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Override defaults.
7606         (frv_handle_option): New function.  Move -mcpu= handling from...
7607         (frv_override_options): ...here.  Remove handling of other
7608         TARGET_OPTIONS.
7609         (frv_ifcvt_modify_tests): Check !TARGET_COND_EXEC instead of
7610         TARGET_NO_COND_EXEC and !TARGET_NESTED_CE to TARGET_NO_NESTED_CE.
7611         (frv_ifcvt_modify_multiple_tests): Likewise !TARGET_MULTI_CE
7612         and TARGET_NO_MULTI_CE.
7613         (frv_for_each_packet): Likewise TARGET_NO_VLIW_BRANCH and
7614         !TARGET_VLIW_BRANCH.
7615         * config/frv/frv.opt: New file.
7616
7617 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
7618
7619         * fold-const.c (fold_ternary): Take decomposed arguments of
7620         CALL_EXPR.
7621         (fold): Update a call to fold_ternary.
7622
7623         * fold-const.c (fold_build1, fold_build2, fold_build3): New.
7624         * tree.h: Add corresponding prototypes.
7625
7626 2005-03-22  Jakub Jelinek  <jakub@redhat.com>
7627
7628         PR target/20561
7629         * cfglayout.c (reemit_insn_block_notes): Don't put block notes in
7630         between jump table and its label.
7631         * final.c (shorten_branches): Handle notes in between ADDR_VEC
7632         resp. ADDR_DIFF_VEC and the label preceeding it.
7633         (final_scan_insn): Likewise.  Ensure ADDR_VEC resp. ADDR_DIFF_VEC
7634         is emitted in the right section.
7635
7636 2005-03-22  Kazu Hirata  <kazu@cs.umass.edu>
7637
7638         * fold-const.c (fold_unary, fold_binary): Update comments
7639         about arguments.
7640
7641 2005-03-22  Hans-Peter Nilsson  <hp@axis.com>
7642
7643         PR rtl-optimization/20527
7644         * combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
7645         REG_INC note, test that the register also isn't mentioned in PRED
7646         or SUCC.
7647
7648 2005-03-22  Ben Elliston  <bje@au.ibm.com>
7649
7650         * dwarf2out.c (dwarf_type_encoding_name): Remove unused prototype
7651         and definition.
7652
7653 2005-03-21  Mike Stump  <mrs@apple.com>
7654
7655         * varasm.c (default_assemble_visibility): Remove extra ().
7656
7657 2005-03-21  Roger Sayle  <roger@eyesopen.com>
7658
7659         PR middle-end/20557
7660         * bb-reorder.c (duplicate_computed_gotos): Use can_duplicate_block_p
7661         to determine whether a block can be duplicated, rather than test
7662         whether the block contains noncopyable insns ourselves.
7663
7664 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
7665
7666         * config/i860/i860.h (PREDICATE_CODES): Remove nonexistent
7667         predicates.
7668
7669 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
7670
7671         * config/ip2k/ip2k.h (target_flags, TARGET_SWITCHES): Delete.
7672
7673 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
7674
7675         * config/fr30/fr30.h (TARGET_SMALL_MODEL_MASK, TARGET_SMALL_MODEL)
7676         (TARGET_DEFAULT, target_flags, TARGET_SWITCHES): Delete.
7677         * config/fr30/fr30.opt: New file.
7678
7679 2005-03-18  Daniel Berlin  <dberlin@dberlin.org>
7680
7681         Fix PR tree-optimization/20542
7682
7683         * tree-flow-inline.h (overlap_subvar): Move to here.
7684         * tree-ssa-operands.c: From here.
7685         * tree-flow.h (overlap_subvar): Declare.
7686         * tree-ssa-alias.c (add_pointed_to_var): Use overlap_subvar here.
7687         * tree-ssa-loop-im.c (is_call_clobbered_ref): Return proper answer
7688         for variables with subvars.
7689
7690 2005-03-21 Mostafa Hagog <mustafa@il.ibm.com>
7691
7692         PR middle-end/20177
7693         * ddg.c (create_ddg_dependence): Ignore reg-anti dependency.
7694         * modulo-sched.c (const_iteration_count): Return on NULL
7695         pre-header.
7696         (print_node_sched_params): Return on NULL dump_file.
7697         (generate_reg_moves): Handle reg-anti dependencies and disregard
7698         closing branch when generating register moves.
7699         (sms_schedule): Mark the SMSed block dirty.
7700         * passes.c (rest_of_handle_sms): Call update_life_info for all
7701         basic-blocks.
7702         * testsuite/gcc.dg/20050321-1.c: New test.
7703
7704 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
7705
7706         * config/xtensa/lib1funcs.asm (__mulsi3): Use symbolic name for ACCLO.
7707         * config/xtensa/xtensa.md (movsi_internal, movhi_internal,
7708         movqi_internal): Likewise.
7709
7710 2005-03-21  Bob Wilson  <bob.wilson@acm.org>
7711
7712         * config/xtensa/xtensa-protos.h: (xtensa_simm7, xtensa_uimm8,
7713         xtensa_uimm8x2, xtensa_uimm8x4, xtensa_ai4const, xtensa_lsi4x4,
7714         xtensa_b4const): Delete prototypes.
7715         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b, xtensa_b4constu,
7716         xtensa_mask_immediate, xtensa_mem_offset): Update prototypes.
7717         (xtensa_b4const_or_zero, xtensa_const_ok_for_letter_p,
7718         xtensa_extra_constraint): New prototypes.
7719         (add_operand, arith_operand, nonimmed_operand, mem_operand,
7720         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
7721         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
7722         move_operand, const_float_1_operand, fpmem_offset_operand,
7723         branch_operator, ubranch_operator, boolean_operator): Delete prototypes.
7724         * config/xtensa/xtensa.c (b4const_or_zero): Rename to ...
7725         (xtensa_b4const_or_zero): ...this.  Change return type to bool and
7726         argument type to HOST_WIDE_INT.
7727         (xtensa_simm8, xtensa_simm8x256, xtensa_simm12b,
7728         xtensa_mask_immediate): Likewise.
7729         (xtensa_uimm8, xtensa_uimm8x2, xtensa_uimm8x4, xtensa_b4const):
7730         Likewise.  Also make these functions static.
7731         (xtensa_simm7, xtensa_ai4const, xtensa_lsi4x4): Delete.
7732         (xtensa_const_ok_for_letter_p): New.
7733         (add_operand, arith_operand, nonimmed_operand, mem_operand,
7734         mask_operand, extui_fldsz_operand, sext_operand, sext_fldsz_operand,
7735         lsbitnum_operand, branch_operand, ubranch_operand, call_insn_operand,
7736         move_operand, const_float_1_operand, fpmem_offset_operand,
7737         branch_operator, ubranch_operator, boolean_operator): Move to
7738         predicates.md.
7739         (smalloffset_mem_p): Inline code from xtensa_lsi4x4.
7740         (xtensa_mem_offset): Change return type to bool.
7741         (xtensa_extra_constraint): New.
7742         (gen_int_relational): Update type of const_range_p function pointer.
7743         Use xtensa_b4const_or_zero.
7744         * config/xtensa/xtensa.h (CONST_OK_FOR_LETTER_P): Define to
7745         xtensa_const_ok_for_letter_p.  Update comments.
7746         (EXTRA_CONSTRAINT): Define to xtensa_extra_constraint.
7747         (PREDICATE_CODES): Delete.
7748         * config/xtensa/xtensa.md: Include predicates.md.
7749         * config/xtensa/predicates.md: New file.
7750
7751 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
7752
7753         * config/v850/v850-protos.h: Remove the prototypes for
7754         reg_or_int9_operand, reg_or_const_operand,
7755         pattern_is_ok_for_prepare, pattern_is_ok_for_dispose,
7756         reg_or_0_operand, reg_or_int5_operand, call_address_operand,
7757         movsi_source_operand, power_of_two_operand,
7758         not_power_of_two_operand, special_symbolref_operand,
7759         pattern_is_ok_for_prologue, pattern_is_ok_for_epilogue, and
7760         register_is_ok_for_epilogue.
7761         * config/v850/v850.c (reg_or_0_operand, reg_or_int5_operand,
7762         reg_or_int9_operand, reg_or_const_operand,
7763         call_address_operand, special_symbolref_operand,
7764         movsi_source_operand, power_of_two_operand,
7765         not_power_of_two_operand, register_is_ok_for_epilogue,
7766         pattern_is_ok_for_epilogue, pattern_is_ok_for_prologue,
7767         pattern_is_ok_for_dispose, pattern_is_ok_for_prepare): Move to
7768         predicates.md.
7769         * config/v850/v850.h (PREDICATE_CODES): Remove.
7770         * config/v850/v850.md: Include predicates.md.
7771         * config/v850/predicates.md: New.
7772
7773 2005-03-21  Zack Weinberg  <zack@codesourcery.com>
7774
7775         * Makefile.in (BASEVER, DEVPHASE, DATESTAMP)
7776         (BASEVER_c, DEVPHASE_c, DATESTAMP_c)
7777         (BASEVER_s, DEVPHASE_s, DATESTAMP_s, version): Set with :=.
7778         (itoolsdir, itoolsdatadir): Move definition above new first use.
7779         (install-itoolsdirs): New rule.
7780         (install-mkheaders): Depend on install-itoolsdirs, not
7781         install-include-dir.
7782
7783 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
7784
7785         * tree-into-ssa.c: Remove obsolete comments.
7786
7787 2005-03-21  Richard Guenther  <rguenth@gcc.gnu.org>
7788
7789         * tree-ssa-loop.c (gate_tree_complete_unroll): Run complete
7790         unrolling if -fpeel-loops is specified, too.
7791         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely):
7792         Remove superfluous check for flag_unroll_loops.
7793
7794 2005-03-21  Uros Bizjak  <uros@kss-loka.si>
7795
7796         * optabs.h (enum optab_index): Add new OTI_lrint and OTI_llrint.
7797         (lrint_optab, llrint_optab): Define corresponding macros.
7798         * optabs.c (init_optabs): Initialize lrint_optab and llrint_optab.
7799         * genopinit.c (optabs): Implement lrint_optab using lrintsi2
7800         pattern and llrint_optab using llrintdi2 patterns.
7801         * builtins.c (expand_builtin_mathfn): Handle BUILT_IN_LRINT{,F,L}
7802         using lrint_optab and BUILT_IN_LLRINT{,F,L} using llrint_optab.
7803         (expand_builtin): Expand BUILT_IN_LRINT{,F,L} and
7804         BUILT_IN_LLRINT{,F,L} using expand_builtin_mathfn if
7805         flag_unsafe_math_optimizations is set.
7806
7807 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
7808
7809         * combine.c (combine_simplify_rtx, simplify_if_then_else,
7810         simplify_logical, if_then_else_cond, known_cond,
7811         simplify_comparison): Adjust calls to reverse_comparison.
7812         Don't use combine_reversed_comparison_code).
7813         (combine_reversed_comparison_code): Remove.
7814         (reversed_comparison): Using reversed_comparison_code, move it...
7815         * jump.c (reversed_comparison): ... here.
7816         * rtl.h (reversed_comparison): Add prototype.
7817
7818 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
7819
7820         * builtins.c (fold_builtin): Take decomposed arguments of
7821         CALL_EXPR.
7822         * fold-const.c (fold_ternary): Update a call to fold_builtin.
7823         * gimplify.c (gimplify_call_expr): Likewise.
7824         * tree-ssa-ccp.c (ccp_fold, ccp_fold_builtin): Likewise.
7825         * tree.h: Update the prototype of fold_builtin.
7826
7827 2005-03-21  Paolo Bonzini  <bonzini@gnu.org>
7828
7829         * rtl.h (struct rtx_hooks): Add gen_lowpart_no_emit.
7830         * rtlhooks.c (gen_lowpart_no_emit_general): New.
7831         * rtlhooks-def.h (gen_lowpart_no_emit_general): Declare.
7832         (RTL_HOOKS_GEN_LOWPART_NO_EMIT): New.
7833         * simplify-rtx.c (simplify_binary_operation_1): Use it.
7834
7835 2005-03-21  Kazu Hirata  <kazu@cs.umass.edu>
7836
7837         * builtins.c (fold_builtin_1): Take decomposed arguments of
7838         CALL_EXPR.
7839         (fold_builtin): Update a call to fold_builtin_1.
7840
7841 2005-03-21  Nathan Sidwell  <nathan@codesourcery.com>
7842
7843         PR other/20564
7844         * gcov.c (output_lines): Only output function block summary when
7845         outputting branch information.
7846         * doc/gcov.texi: Document format of preamble and additional block
7847         information lines.
7848
7849 2005-03-21  Richard Sandiford  <rsandifo@redhat.com>
7850
7851         * libgcc2.h (LIBGCC2_HAS_SF_MODE): New macro.
7852         (LIBGCC2_HAS_DF_MODE, LIBGCC2_HAS_TF_MODE, LIBGCC2_HAS_XF_MODE): Make
7853         the defaults false if BITS_PER_UNIT != 8.
7854         (SFtype, SCtype, __fixsfdi, __floatdisf, __fixunssfSI, __fixunssfDI)
7855         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE rather
7856         than BITS_PER_UNIT != 8.
7857         (L_fixdfdi, L_fixsfdi, L_fixtfdi, L_fixunsdfdi, L_fixunsdfsi)
7858         (L_fixunssfdi, L_fixunssfsi, L_fixunstfdi, L_fixunsxfdi, L_fixunsxfsi)
7859         (L_fixxfdi, L_floatdidf, L_floatdisf, L_floatditf, L_floatdixf): Remove
7860         #undefs.
7861         * libgcc2.c (__fixunssfDI, __fixsfdi, __floatdisf, __fixunssfSI)
7862         (__powisf2, __divsc3, __mulsc3): Guard with LIBGCC2_HAS_SF_MODE.
7863
7864 2005-03-20  Roger Sayle  <roger@eyesopen.com>
7865
7866         PR middle-end/20539
7867         * fold-const.c (fold_binary): Fix type mismatch between
7868         TRUTH_{AND,OR,XOR}_EXPR nodes an their operands' types.
7869         (fold_binary) <TRUTH_XOR_EXPR>: Avoid calling invert_truthvalue
7870         for non-truth-valued expressions.
7871
7872         * c-common.c (c_common_truthvalue_conversion): Handle ERROR_MARK
7873         and FUNCTION_DECL in the main switch.
7874         <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR, TRUTH_OR_EXPR,
7875         TRUTH_XOR_EXPR>: When changing the result type of these tree nodes,
7876         we also need to convert their operands to match.
7877         <TRUTH_NOT_EXPR>: Likewise.
7878
7879 2005-03-21  Joseph S. Myers  <joseph@codesourcery.com>
7880
7881         * c-common.c (lvalue_or_else): Replace by lvalue_error; only give
7882         diagnostic without checking whether an lvalue.
7883         * c-common.h (lvalue_p): Remove.
7884         (enum lvalue_use): Update comment.
7885         (lvalue_or_else): Replace by lvalue_error.
7886         * c-typeck.c (lvalue_p): Make static.
7887         (lvalue_or_else): New.  Call lvalue_error.
7888
7889 2005-03-21  Alan Modra  <amodra@bigpond.net.au>
7890
7891         * config/rs6000/rs6000.c (rs6000_parm_start): New function.
7892         (function_arg_advance): Use rs6000_parm_start.
7893         (function_arg, rs6000_arg_partial_bytes): Likewise.
7894
7895 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
7896
7897         * c-common.c (check_case_value): Adjust comment about stripping
7898         NOPs.
7899         (handle_vector_size_attribute): Don't strip NON_LVALUE_EXPR.
7900         * c-typeck.c (default_conversion, convert_arguments,
7901         build_modify_expr, convert_for_assignment, store_init_value,
7902         digest_init): Use STRIP_TYPE_NOPS instead of stripping nops
7903         manually.  Remove inaccurate comments.
7904
7905 2005-03-20  Roger Sayle  <roger@eyesopen.com>
7906             Joseph S. Myers  <joseph@codesourcery.com>
7907
7908         * varasm.c (do_assemble_alias): Restore comment describing function.
7909         Annotate the target parameter as potentially unused.
7910
7911 2005-03-20  Marek Michalkiewicz  <marekm@amelek.gda.pl>
7912
7913         PR target/18551
7914         * config/avr/avr.c (avr_output_function_prologue): Do not use
7915         current_function_name() in a label, use a local label instead.
7916
7917 2005-03-20  David Edelsohn  <edelsohn@gnu.org>
7918
7919         * config/rs6000/rs6000.c (rs6000_generate_compare): Test
7920         flag_finite_math_only, not flag_unsafe_math_optimizations.
7921
7922 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
7923
7924         * builtins.c (fold_builtin_1): Update a call to
7925         targetm.fold_builtin.
7926         * hooks.c (hook_tree_tree_bool_null): Rename to
7927         hook_tree_tree_tree_bool_null.  Take one more argument of type
7928         tree.
7929         * hooks.h: Update the prototype of hook_tree_tree_bool_null.
7930         * target-def.h (TARGET_FOLD_BUILTIN): Define it as
7931         hook_tree_tree_tree_bool_null.
7932         * target.h (gcc_target): Update the prototype of fold_builtin.
7933         * config/alpha/alpha.c (alpha_fold_builtin): Take decomposed
7934         arguments of CALL_EXPR.
7935         * doc/tm.texi (TARGET_FOLD_BUILTIN): Update.  Mention the
7936         new prototype.
7937
7938 2005-03-20  Jan Hubicka  <jh@suse.cz>
7939
7940         * cgraph.h (cgraph_node): Add prev_clone pointer.
7941         * cgraph.c (cgraph_remove_node): Remove from doubly linked chain.
7942         (cgraph_clone_node): Produce doubly linked chain.
7943
7944 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
7945
7946         * c-common.c (handle_aligned_attribute, check_function_sentinel,
7947         get_nonnull_operand, handle_sentinel_attribute,
7948         check_function_arguments_recurse): Do not strip NOPS from
7949         INTEGER_CSTs.
7950         * c-decl.c (check_bitfield_type_and_width, build_enumerator):
7951         Likewise.
7952         * c-format.c (get_constant): Likewise.
7953         * c-parser.c (c_parser_postfix_expression): Likewise.
7954         * c-typeck.c (set_init_index): Likewise.
7955         (convert_arguments): Don't check for NOP_EXPR containing integer
7956         constant.
7957
7958 2005-03-20  Kazu Hirata  <kazu@cs.umass.edu>
7959
7960         * builtins.c (fold_fixed_mathfn, fold_builtin_trunc,
7961         fold_builtin_floor, fold_builtin_ceil, fold_builtin_lround):
7962         Take decomposed arguments of CALL_EXPR.
7963         (fold_builtin_1): Update calls to the functions mentioned
7964         above.
7965
7966 2005-03-20  Joseph S. Myers  <joseph@codesourcery.com>
7967
7968         * c-decl.c (check_bitfield_type_and_width): Require bit-field
7969         width to have integer type.
7970         (build_enumerator): Require enumerator value to have integer type.
7971
7972 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
7973
7974         * doc/extend.texi (__builtin_inf): Move statement about INFINITY
7975         to __builtin_inff.
7976
7977 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
7978
7979         * c.opt (ansi, std=iso9899:1990, std=iso9899:1999,
7980         std=iso9899:199x): Correct descriptions.
7981
7982 2005-03-19  Joseph S. Myers  <joseph@codesourcery.com>
7983
7984         * config.gcc: Consistently use solaris2.1[0-9]* instead of
7985         solaris2.1[0-9].
7986
7987 2005-03-19  Kazu Hirata  <kazu@cs.umass.edu>
7988
7989         * builtins.c (fold_builtin_memcpy): Take decomposed arguments
7990         of CALL_EXPR.
7991         (expand_builtin_memcpy, fold_builtin_1): Update calls to
7992         fold_builtin_memcpy.
7993
7994         * builtins.c (fold_trunc_transparent_mathfn): Take decomposed
7995         arguments of CALL_EXPR.
7996         (fold_builtin_trunc, fold_builtin_floor, fold_builtin_ceil,
7997         fold_builtin_found, fold_builtin_1): Update calls to
7998         fold_trunc_transparent_mathfn.
7999
8000 2005-03-19  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8001
8002         PR middle-end/20493
8003         * fold-const.c (fold_widened_comparison): Don't optimize casts of
8004         function pointers on targets that require function pointer
8005         canonicalization.
8006         (fold_sign_changed_comparison): Likewise.
8007
8008 2005-03-19  Bernd Schmidt  <bernd.schmidt@analog.com>
8009
8010         * combine.c (try_combine): When changing the mode of a hard reg, make
8011         sure that doing so is valid.
8012
8013 2005-03-19  Richard Sandiford  <rsandifo@redhat.com>
8014
8015         * config/avr/avr.c (avr_init_stack, avr_mcu_name): Make static.
8016         (TARGET_HANDLE_OPTION): Override default.
8017         (avr_handle_option): New function.
8018         * config/avr/avr.h (MASK_ALL_DEBUG, MASK_ORDER_1, MASK_INSN_SIZE_DUMP)
8019         (MASK_ORDER_2, MASK_NO_TABLEJUMP, MASK_INT8, MASK_NO_INTERRUPTS)
8020         (MASK_CALL_PROLOGUES, MASK_TINY_STACK, MASK_SHORT_CALLS)
8021         (TARGET_ORDER_1, TARGET_ORDER_2, TARGET_INT8, TARGET_NO_INTERRUPTS)
8022         (TARGET_INSN_SIZE_DUMP, TARGET_CALL_PROLOGUES, TARGET_TINY_STACK)
8023         (TARGET_NO_TABLEJUMP, TARGET_SHORT_CALLS, TARGET_ALL_DEBUG)
8024         (TARGET_SWITCHES, avr_init_stack, avr_mcu_name)
8025         (TARGET_OPTIONS): Delete.
8026         * config/avr/avr.opt: New file.
8027
8028 2005-03-18  2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
8029
8030         * config/m32r/m32r-protos.h: Remove the prototypes for
8031         call_address_operand, symbolic_operand, seth_add3_operand,
8032         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
8033         reg_or_uint16_operand, reg_or_cmp_int16_operand,
8034         two_insn_const_operand, move_src_operand,
8035         move_double_src_operand, move_dest_operand,
8036         eqne_comparison_operator, signed_comparison_operator,
8037         large_insn_p, conditional_move_operand, carry_compare_operand,
8038         m32r_block_immediate_operand, extend_operand,
8039         reg_or_eq_int16_operand, int8_operand, and
8040         reg_or_zero_operand.
8041         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
8042         seth_add3_operand, int8_operand, cmp_int16_operand,
8043         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
8044         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
8045         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
8046         move_double_src_operand, move_dest_operand,
8047         eqne_comparison_operator, signed_comparison_operator,
8048         extend_operand, small_insn_p, large_insn_p,
8049         conditional_move_operand, carry_compare_operand,
8050         m32r_block_immediate_operand): Move to predicates.md.
8051         (MAX_MOVE_BYTES): Move to m32r.h.
8052         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
8053         * config/m32r/m32r.md: Include predicates.md.
8054         * config/m32r/predicates.md: New.
8055
8056 2005-03-18  James E Wilson  <wilson@specifixinc.com>
8057
8058         PR c++/19769
8059         * dwarf2out.c (declare_in_namespace): Ignore decls with an abstract
8060         origin.
8061
8062 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
8063
8064         * config/mn10300/mn10300-protos.h: Remove the prototypes for
8065         call_address_operand, const_8bit_operand.
8066         * config/mn10300/mn10300.c (call_address_operand,
8067         const_8bit_operand, const_1f_operand): Move to predicates.md.
8068         * config/mn10300/mn10300.h (PREDICATE_CODES): Remove.
8069         * config/mn10300/mn10300.md: Include predicates.md.
8070         * config/mn10300/predicates.md: New.
8071
8072 2005-03-18  Joseph S. Myers  <joseph@codesourcery.com>
8073
8074         * c-common.c, c-decl.c, c-format.c, c-typeck.c: Use %D for
8075         declarations in diagnostics and %E for identifiers, not %s.
8076
8077 2005-03-18  Jan Hubicka  <jh@suse.cz>
8078             Dale Johannesen  <dalej@apple.com>
8079
8080         * basic-block.h (scale_bbs_frequencies_int,
8081         scale_bbs_frequencies_gcov_type): Declare.
8082         * cfg.c (RDIV): New macro.
8083         (update_bb_frequency_for_threading): Fix.
8084         * basic-block.h (scale_bbs_frequencies_int,
8085         scale_bbs_frequencies_gcov_type): New.
8086         * cfgloopmanip.c (scale_bbs_frequencies): Kill.
8087         (scale_loop_frequencies, duplicate_loop_to_header_edge): Use
8088         scale_bbs_frequencies_int.
8089         * tree-ssa-loop-ch.c (copy_loop_headers): Fix profiling info.
8090
8091 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
8092
8093         * config/m32r/m32r-protos.h: Remove the prototypes for
8094         call_address_operand, symbolic_operand, seth_add3_operand,
8095         cmp_int16_operand, uint16_operand, reg_or_int16_operand,
8096         reg_or_uint16_operand, reg_or_cmp_int16_operand,
8097         two_insn_const_operand, move_src_operand,
8098         move_double_src_operand, move_dest_operand,
8099         eqne_comparison_operator, signed_comparison_operator,
8100         large_insn_p, conditional_move_operand, carry_compare_operand,
8101         m32r_block_immediate_operand, extend_operand,
8102         reg_or_eq_int16_operand, int8_operand, and
8103         reg_or_zero_operand.
8104         * config/m32r/m32r.c (call_address_operand, symbolic_operand,
8105         seth_add3_operand, int8_operand, cmp_int16_operand,
8106         uint16_operand, reg_or_int16_operand, reg_or_uint16_operand,
8107         reg_or_eq_int16_operand, reg_or_cmp_int16_operand,
8108         reg_or_zero_operand, two_insn_const_operand, move_src_operand,
8109         move_double_src_operand, move_dest_operand,
8110         eqne_comparison_operator, signed_comparison_operator,
8111         extend_operand, small_insn_p, large_insn_p,
8112         conditional_move_operand, carry_compare_operand,
8113         m32r_block_immediate_operand): Move to predicates.md.
8114         (MAX_MOVE_BYTES): Move to m32r.h.
8115         * config/m32r/m32r.h (PREDICATE_CODES): Remove.
8116         * config/m32r/m32r.md: Include predicates.md.
8117         * config/m32r/predicates.md: New.
8118
8119         * config/pa/pa-protos.h: Add prototypes for magic_milli and
8120         shadd_constant_p.
8121         * config/pa/pa.c (reg_or_0_operand, call_operand_address,
8122         symbolic_operand, symbolic_memory_operand,
8123         reg_or_0_or_nonsymb_mem_operand, reg_before_reload_operand,
8124         indexed_memory_operand, move_dest_operand, move_src_operand,
8125         prefetch_cc_operand, prefetch_nocc_operand,
8126         reg_or_cint_move_operand, pic_label_operand, fp_reg_operand,
8127         arith_operand, arith11_operand, pre_cint_operand,
8128         post_cint_operan, arith_double_operand, ireg_or_int5_operand,
8129         ireg_operand, int5_operand, uint5_operand, int11_operand,
8130         uint32_operand, arith5_operand, and_operand, ior_operand,
8131         lhs_lshift_operand, lhs_lshift_cint_operand, arith32_operand,
8132         pc_or_label_operand, div_operand, plus_xor_ior_operator,
8133         shadd_operand, movb_comparison_operator,
8134         cmpib_comparison_operator): Move to predicates.md.
8135         (magic_milli, shadd_constant_p): Make it extern.
8136         * config/pa/pa.h (PREDICATE_CODES): Remove.
8137         * config/pa/pa.md: Include predicates.md.
8138         * config/pa/predicates.md: New.
8139
8140         * config/v850/v850.h (PREDICATE_CODES): Remove a nonexistent
8141         predicate.
8142
8143 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
8144
8145         * hooks.c, hooks.h, intl.c, opts.h, prefix.c, tree-gimple.c,
8146         config/alpha/ev4.md, config/alpha/ev5.md, config/alpha/ev6.md,
8147         config/alpha/freebsd.h, config/alpha/linux.h,
8148         config/alpha/netbsd.h, config/alpha/osf5.h,
8149         config/alpha/vms.h, config/arc/arc.c, config/arc/arc.h,
8150         config/h8300/h8300-protos.h, config/h8300/h8300.c,
8151         config/h8300/h8300.h, config/ia64/unwind-ia64.c,
8152         doc/cppopts.texi: Update copyright.
8153
8154 2005-03-18  Jan Hubicka  <jh@suse.cz>
8155
8156         PR middle-end/20225
8157         * cgraph.c (cgraph_mark_reachable_node): Assert that it is not called
8158         too late.
8159         * varasm.c (find_decl_and_mark_needed): Mark needed only when not
8160         called too late.
8161
8162 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
8163
8164         * tree-into-ssa.c (find_idf): Use VEC_quick_push instead of
8165         VEC_safe_push.
8166
8167 2005-03-18  Paolo Bonzini  <bonzini@gnu.org>
8168
8169         * combine.c (gen_binary): Remove.
8170         (known_cond, simplify_shift_const, find_split_point,
8171         combine_simplify_rtx, simplify_if_then_else, simplify_set,
8172         simplify_logical, expand_field_assignment, extract_left_shift,
8173         force_to_mode, if_then_else_cond, apply_distributive_law,
8174         simplify_and_const_int, simplify_shift_const, gen_lowpart_for_combine,
8175         simplify_comparison, reversed_comparison): Replace with
8176         simplify_gen_binary, simplify_gen_relational or
8177         distribute_and_simplify_rtx.
8178         (distribute_and_simplify_rtx): New function.
8179
8180 2005-03-18  Alexey Neyman  <alex.neyman@auriga.ru>
8181             Paolo Bonzini  <gcc.gnu.org>
8182
8183         * calls.c (setjmp_call_p, special_function_p): Update comments
8184         at the head of the functions.
8185
8186 2005-03-18  Jan Hubicka  <jh@suse.cz>
8187
8188         * tree-cfg.c (fold_cond_expr_cond): Use boolean types for condition.
8189
8190         * cgraph.c (cgraph_remove_node): Avoid loop in code deciding whether
8191         function body should be released; do not proactively release function
8192         bodies in non-unit-at-a-time mode.
8193
8194 2005-03-18  Ralf Corsepius  <ralf.corsepius@rtems.org>
8195
8196         * config/i386/t-rtems-i386 (MULTILIBS): Remove k6, athlon,
8197         mno-fp-ret-in-387 multilib variants.
8198
8199 2005-03-18  Richard Sandiford  <rsandifo@redhat.com>
8200
8201         * common.opt (m): Remove.
8202         * opts.c (handle_option): Pass 'm' options to set_target_switch if
8203         table lookup fails.
8204         (common_handle_option): Remove OPT_m case.
8205
8206 2005-03-18  Kazu Hirata  <kazu@cs.umass.edu>
8207
8208         * builtins.c (fold_builtin_bitop): Take decomposed arguments
8209         of CALL_EXPR.
8210         (fold_builtin_1): Update a call to fold_builtin_bitop.
8211
8212         * builtins.c (fold_builtin_signbit): Take decomposed arguments
8213         of CALL_EXPR.
8214         (fold_builtin_1): Update a call to fold_builtin_signbit.
8215
8216 2005-03-17  Dorit Naishlos  <dorit@il.ibm.com>
8217
8218         PR tree-optimization/20474
8219         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Check the
8220         size_type of the relevant pointer. Check for COMPLETE_TYPE_P.
8221
8222 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
8223
8224         * config/h8300/h8300-protos.h: Remove prototypes for
8225         general_operand_src, general_operand_dst, single_one_operand,
8226         single_zero_operand, call_insn_operand,
8227         two_insn_adds_subs_operand, small_call_insn_operand,
8228         jump_address_operand, bit_operand, bit_memory_operand,
8229         stack_pointer_operand, const_int_gt_2_operand,
8230         const_int_ge_8_operand, const_int_qi_operand,
8231         const_int_hi_operand, incdec_operand, bit_operator,
8232         nshift_operator, eqne_operator, gtle_operator,
8233         gtuleu_operator, iorxor_operator.
8234         Add prototypes for h8sx_shift_type h8sx_classify_shift and
8235         h8300_ldm_stm_parallel.
8236         * config/h8300/h8300.c (h8sx_shift_type,): Move to
8237         h8300-protos.h.
8238         (SYMBOL_FLAG_FUNCVEC_FUNCTION, SYMBOL_FLAG_EIGHTBIT_DATA,
8239         SYMBOL_FLAG_TINY_DATA): Move to h8300.h.
8240         (h8300_ldm_stm_parallel): Make it extern.
8241         (h8300_ldm_parallel, h8300_stm_parallel,
8242         h8300_return_parallel, general_operand_src,
8243         general_operand_dst, h8300_dst_operand, h8300_src_operand,
8244         nibble_operand, reg_or_nibble_operand, single_one_operand,
8245         single_zero_operand, call_insn_operand,
8246         two_insn_adds_subs_operand, small_call_insn_operand,
8247         jump_address_operand, bit_operand, bit_memory_operand,
8248         stack_pointer_operand, const_int_gt_2_operand,
8249         const_int_ge_8_operand, const_int_qi_operand,
8250         const_int_hi_operand, incdec_operand, eqne_operator,
8251         gtle_operator, gtuleu_operator, iorxor_operator, bit_operator,
8252         h8sx_binary_memory_operator, h8sx_unary_memory_operator,
8253         h8sx_unary_shift_operator, h8sx_binary_shift_operator,
8254         nshift_operator): Move to predicates.md.
8255         * config/h8300/h8300.h (PREDICATE_CODES): Remove.
8256         * config/h8300/h8300.md: Include predicates.md.
8257         * config/h8300/predicates.md: New.
8258
8259 2005-03-17  Richard Henderson  <rth@redhat.com>
8260
8261         * config.gcc (ia64*-*-hpux*): Add extra_options.
8262         * config/ia64/hpux.h (SUBTARGET_SWITCHES): Remove.
8263         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
8264         * config/ia64/ia64.c (ia64_fixed_range_string): Remove.
8265         (ia64_tls_size_string, ia64_tune_string): Remove.
8266         (ia64_tune): Init to PROCESSOR_ITANIUM2.
8267         (TARGET_DEFAULT_TARGET_FLAGS): New.
8268         (TARGET_HANDLE_OPTION): New.
8269         (ia64_override_options): Move options parsing ...
8270         (ia64_handle_option): ... here.  New.
8271         * config/ia64/ia64.h (target_flags, MASK_BIG_ENDIAN, MASK_GNU_AS,
8272         MASK_GNU_LD, MASK_NO_PIC, MASK_VOL_ASM_STOP, MASK_ILP32,
8273         MASK_REG_NAMES, MASK_NO_SDATA, MASK_CONST_GP, MASK_AUTO_PIC,
8274         MASK_INLINE_FLOAT_DIV_LAT, MASK_INLINE_FLOAT_DIV_THR,
8275         MASK_INLINE_INT_DIV_LAT, MASK_INLINE_INT_DIV_THR,
8276         MASK_INLINE_SQRT_LAT, MASK_INLINE_SQRT_THR, MASK_DWARF2_ASM,
8277         MASK_EARLY_STOP_BITS, TARGET_BIG_ENDIAN, TARGET_GNU_AS, TARGET_GNU_LD,
8278         TARGET_NO_PIC, TARGET_VOL_ASM_STOP, TARGET_ILP32, TARGET_REG_NAMES,
8279         TARGET_NO_SDATA, TARGET_CONST_GP, TARGET_AUTO_PIC,
8280         TARGET_INLINE_FLOAT_DIV_LAT, TARGET_INLINE_FLOAT_DIV_THR,
8281         TARGET_INLINE_INT_DIV_LAT, TARGET_INLINE_INT_DIV_THR,
8282         TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_INT_DIV, TARGET_INLINE_SQRT_LAT,
8283         TARGET_INLINE_SQRT_THR, TARGET_INLINE_SQRT, TARGET_DWARF2_ASM,
8284         TARGET_EARLY_STOP_BITS): Remove.
8285         (TARGET_ILP32): Default false.
8286         (TARGET_SWITCHES, SUBTARGET_SWITCHES, TARGET_OPTIONS): Remove.
8287         (enum ia64_inline_type): New.
8288         (TARGET_DEFAULT): Remove MASK_INLINE_FLOAT_DIV_THR.
8289         * config/ia64/ia64.md: Update for new definitions of
8290         TARGET_INLINE_INT_DIV, TARGET_INLINE_FLOAT_DIV, TARGET_INLINE_SQRT.
8291         * config/ia64/ia64.opt: New file.
8292         * config/ia64/ilp32.opt: New file.
8293
8294 2005-03-17  H.J. Lu  <hongjiu.lu@intel.com>
8295
8296         PR target/18380
8297         * config/ia64/unwind-ia64.c (_Unwind_FindTableEntry): Removed.
8298
8299 2005-03-17  Kazu Hirata  <kazu@cs.umass.edu>
8300
8301         * config/h8300/h8300.c (h8300_init_once): Use MASK_H8300S_1
8302         instead of MASK_H8300S.
8303         * config/h8300/h8300.h (target_flags, MASK_H8300S, MASK_MAC,
8304         MASK_INT32, MASK_ADDRESSES, MASK_QUICKCALL, MASK_SLOWBYTE,
8305         MASK_NORMAL_MODE, MASK_RELAX, MASK_H8300H, MASK_ALIGN_300,
8306         MASK_H8300SX, TARGET_INT32, TARGET_ADDRESSES,
8307         TARGET_QUICKCALL, TARGET_SLOWBYTE, TARGET_H8300H,
8308         TARGET_H8300XS, TARGET_NORMAL_MODE, TARGET_ALIGN_300,
8309         TARGET_SWITCHES): Remove.
8310         (TARGET_H8300S): Redefine interms of TARGET_H8300S_1 and
8311         TARGET_H8300SX.
8312         * config/h8300/h8300.opt: New.
8313
8314         * config/alpha/alpha.opt, config/arc/arc.opt,
8315         config/h8300/h8300.opt, config/mips/mips.opt: Add copyright
8316         notices.
8317
8318 2005-03-17  Ian Lance Taylor  <ian@airs.com>
8319
8320         * gmon.c: Remove.
8321
8322 2005-03-17  Richard Sandiford  <rsandifo@redhat.com>
8323
8324         * config/arc/arc.c (arc_cpu_string): Make static.  Default to "base"
8325         (arc_text_string, arc_data_string, arc_rodata_string): Make static.
8326         (TARGET_HANDLE_OPTION): Override default.
8327         (arc_handle_option): New function.
8328         (arc_init): Remove code to set arch_cpu_string.
8329         * config/arc/arc.h (target_flags, TARGET_MASK_MANGLE_CPU)
8330         (TARGET_MANGLE_CPU, TARGET_MASK_MANGLE_CPU_LIBGCC)
8331         (TARGET_MANGLE_CPU_LIBGCC, TARGET_MASK_ALIGN_LOOPS, TARGET_ALIGN_LOOPS)
8332         (TARGET_MASK_BIG_ENDIAN, TARGET_BIG_ENDIAN, TARGET_MASK_NO_COND_EXEC)
8333         (TARGET_NO_COND_EXEC, TARGET_SWITCHES, TARGET_DEFAULT)
8334         (SUBTARGET_SWITCHES, arc_cpu_string, arc_text_string, arc_data_string)
8335         (arc_rodata_string, TARGET_OPTIONS): Delete.
8336         * config/arc/arc.opt: New file.
8337
8338 2005-03-17  Richard Henderson  <rth@redhat.com>
8339
8340         * doc/extend.texi (Weak Pragmas): New section.
8341         (attribute alias): Clarify that target must be in the same
8342         translation unit.
8343
8344 2005-03-17  Richard Henderson  <rth@redhat.com>
8345
8346         * config/alpha/alpha.opt: New file.
8347         * config/alpha/alpha.c (alpha_tune): New.  Rename all existing uses
8348         of alpha_cpu.
8349         (alpha_cpu_string, alpha_tune_string, alpha_tp_string,
8350         alpha_fprm_string, alpha_fptm_string): Make static.
8351         (alpha_tls_size_string): Remove.
8352         (alpha_handle_option): New.
8353         (override_options): Update for alpha_cpu/alpha_tune split.
8354         (alpha_file_start): Likewise.
8355         (TARGET_DEFAULT_TARGET_FLAGS): New.
8356         (TARGET_HANDLE_OPTION): New.
8357         * config/alpha/alpha.h (alpha_tune): Declare.
8358         (MASK_FP, MASK_FPREGS, TARGET_FPREGS, MASK_GAS, TARGET_GAS,
8359         MASK_IEEE_CONFORMANT, TARGET_IEEE_CONFORMANT, MASK_IEEE, TARGET_IEEE,
8360         MASK_IEEE_WITH_INEXACT, TARGET_IEEE_WITH_INEXACT, MASK_BUILD_CONSTANTS,
8361         TARGET_BUILD_CONSTANTS, MASK_FLOAT_VAX, TARGET_FLOAT_VAX, MASK_BWX,
8362         TARGET_BWX, MASK_MAX, TARGET_MAX, MASK_FIX, TARGET_FIX, MASK_CIX,
8363         TARGET_CIX, MASK_EXPLICIT_RELOCS, TARGET_EXPLICIT_RELOCS,
8364         MASK_SMALL_DATA, TARGET_SMALL_DATA, MASK_TLS_KERNEL, TARGET_TLS_KERNEL,
8365         MASK_SMALL_TEXT, TARGET_SMALL_TEXT, MASK_LONG_DOUBLE_128,
8366         TARGET_LONG_DOUBLE_128, MASK_CPU_EV5, TARGET_CPU_EV5, MASK_CPU_EV6,
8367         TARGET_CPU_EV6, MASK_SUPPORT_ARCH): Remove.
8368         (TARGET_SWITCHES, TARGET_OPTIONS): Remove.
8369         (TARGET_DEFAULT): Remove MASK_FP.
8370         (TARGET_FP): Redefined based on TARGET_SOFT_FP.
8371         (TARGET_SUPPORT_ARCH): Default on if HAVE_AS_EXPLICIT_RELOCS.
8372         (alpha_cpu_string, alpha_tune_string, alpha_fprm_string,
8373         alpha_fptm_string, alpha_tp_string, alpha_mlat_string,
8374         alpha_tls_size_string): Remove.
8375         * config/alpha/alpha.md (prefetch): Use alpha_cpu.
8376         (attribute tune): Rename from attribute cpu.
8377         * config/alpha/ev4.md: Update to match.
8378         * config/alpha/ev5.md, config/alpha/ev6.md: Likewise.
8379         * config/alpha/freebsd.h (TARGET_DEFAULT): Remove MASK_FP.
8380         * config/alpha/linux.h (TARGET_DEFAULT): Likewise.
8381         * config/alpha/netbsd.h (TARGET_DEFAULT): Likewise.
8382         * config/alpha/osf5.h (TARGET_DEFAULT): Likewise.
8383         * config/alpha/vms.h (TARGET_DEFAULT): Likewise.
8384
8385 2005-03-16  James E. Wilson  <wilson@specifixinc.com>
8386
8387         * config/ia64/ia64.c (issue_nops_and_insn): Check first_insn attribute,
8388         and return without creating new state if before_nops_num is nonzero.
8389         * config/ia64/ia64.md (first_insn): New attribute.
8390         (alloc): Set it to yes.
8391
8392 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
8393
8394         * tree-vectorizer.c (new_vec_stmt_info): Initialize
8395         STMT_VINFO_SUBVARS to NULL.
8396         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
8397
8398 2005-03-16 Dale Johannesen  <dalej@apple.com>
8399
8400         * rtlanal.c (find_first_parameter_load):  Rewrite to
8401         return actual first param load or the call if none,
8402         instead of first in block, when not all loads exist.
8403
8404 2005-03-16  Roger Sayle  <roger@eyesopen.com>
8405
8406         * optabs.c (expand_copysign_absneg): Make static.
8407         * optabs.h (expand_copysign_absneg): Delete prototype.
8408         * config/rs6000/rs6000.md (copysigntf3): Delete pattern.
8409
8410 2005-03-16  Richard Henderson  <rth@redhat.com>
8411
8412         PR middle-end/15700
8413         * varasm.c (struct alias_pair): Rename from struct output_def_pair.
8414         (alias_pairs): Rename from output_defs.
8415         (find_decl_and_mark_needed): Split out from assemble_alias.
8416         (do_assemble_alias): New.
8417         (assemble_output_def): Remove.
8418         (finish_aliases_1, finish_aliases_2): New.
8419         (process_pending_assemble_output_defs): Remove.
8420         (assemble_alias): Defer aliases for which we don't yet have a
8421         non-external decl for the target symbol.
8422         * passes.c (rest_of_decl_compilation): Register variables with cgraph.
8423         * cgraphunit.c (cgraph_finalize_compilation_unit): Use finish_aliases_1.
8424         * toplev.c (compile_file): Use finish_aliases_2 instead of
8425         process_pending_assemble_output_defs.
8426         * tree.h (finish_aliases_1, finish_aliases_2): Declare.
8427         (process_pending_assemble_output_defs): Remove.
8428
8429 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
8430
8431         Fix PR tree-optimization/20489
8432
8433         * tree-ssa-alias.c (push_fields_onto_fieldstack): DTRT
8434         for empty structures.
8435
8436 2005-03-16  Daniel Berlin  <dberlin@dberlin.org>
8437
8438         Fix PR tree-optimization/20490
8439
8440         * tree-ssa-pre.c (create_expression_by_pieces): Use
8441         force_gimple_operand on result of fold.
8442
8443 2005-03-16  Andrew Pinski  <pinskia@physics.uc.edu>
8444
8445         * config/i386/emmintrin.h (_mm_extract_epi16): Correct the number
8446         of closing parenthesis.
8447
8448 2005-03-16  Kazu Hirata  <kazu@cs.umass.edu>
8449
8450         * builtins.c (expand_movstr): Update a call to
8451         fold_builtin_strcpy.
8452         (expand_builtin_strncpy): Update a call to
8453         fold_builtin_strncpy.
8454         (fold_builtin_strcpy, fold_builtin_strncpy): Take decomosed
8455         arguments of CALL_EXPR.
8456         (fold_builtin_1): Update calls to fold_builtin_strcpy and
8457         fold_builtin_strncpy.
8458         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
8459         * tree.h: Update the prototypes of fold_builtin_strcpy and
8460         fold_builtin_strncpy.
8461
8462 2005-03-16  Steven Bosscher  <stevenb@suse.de>
8463             Dorit Naishlos  <dorit@il.ibm.com>
8464
8465         * tree-vect-analyze.c (vect_enhance_data_refs_alignment): Copy
8466         UNITS_PER_SIMD_WORD to a local variable to avoid a "division by zero"
8467         error.
8468
8469 2005-03-16  Steven Bosscher  <stevenb@suse.de>
8470
8471         * tree-inline.c (walk_type_fields, walk_tree,
8472         walk_tree_without_duplicates): Move from here...
8473         * tree.c: ...to here.
8474
8475 2005-03-15  Zack Weinberg  <zack@codesourcery.com>
8476
8477         * BASE-VER, DATESTAMP, DEV-PHASE: New files.
8478         * Makefile.in (gcc_version, gcc_version_trigger, ): Delete.
8479         (BASEVER, DEVPHASE, DATESTAMP, BASEVER_c, DEVPHASE_c, DATESTAMP_c)
8480         (BASEVER_s, DEVPHASE_s, DATESTAMP_s): New variables.
8481         (version): Define using $(BASEVER_c).
8482         (Makefile, config.status, build/gcov-iov.o): No longer depends on
8483         version.c.
8484         (version.o): Depend on version files; add custom generation command.
8485         (prefix.o): Define BASEVER on command line.
8486         (s-iov): Depend on version files; adjust command.
8487         (TEXI_CPP_FILES, TEX_IGCC_FILES, TEXI_GCCINT_FILES, TEXI_CPPINT_FILES):
8488         Add gcc-vers.texi.
8489         (gcc-vers.texi): New rule.
8490         (doc/%.info, doc/%.dvi): Add -I . to command line.
8491         (doc/gccinstall.dvi): Likewise.
8492         (PACKAGE): Delete.  All uses replaced with "gcc".
8493         * aclocal.m4: Do not include gcc-version.m4.
8494         * configure.ac: Do not invoke TL_AC_GCC_VERSION.
8495         Do not AC_SUBST nor AC_DEFINE PACKAGE or VERSION.
8496         Set is_release based on contents of DEV-PHASE.
8497         Set gcc_version based on contents of BASE-VER.
8498         Define WIN32_REGISTRY_KEY only if the user overrode the default.
8499         * config.in, configure: Regenerate.
8500         * gccbug.in: Determine version of GCC in use at runtime.
8501         * gcov-iov.c: Get version number and development phase from
8502         command line, not by including version.c.
8503         * intl.c: Replace all uses of PACKAGE with "gcc".
8504         * libada-mk.in: Delete unused "gcc_version" variable.
8505         * prefix.c: Default WIN32_REGISTRY_KEY to BASEVER.
8506         * version.c: (VERSUFFIX): New hook for redistributors; adjust
8507         commentary to match.
8508         (version_string): Put together from pieces.
8509         * config/alpha/x-vms: Do not use $(gcc_version).
8510         * config/i386/t-nwld: Likewise.
8511         * doc/include/gcc-common.texi: Include gcc-vers.texi for
8512         version-GCC and DEVELOPMENT.
8513
8514 2005-03-15  Roger Sayle  <roger@eyesopen.com>
8515
8516         PR tree-optimization/17454
8517         * tree.c (tree_size): Add case for TREE_BINFO.
8518         * fold-const.c (fold_checksum_tree): Only clear the overloaded
8519         field TYPE_CACHED_VALUES if TYPE_CACHED_VALUES_P is set.
8520
8521 2005-03-15  Roger Sayle  <roger@eyesopen.com>
8522
8523         * optabs.c (expand_doubleword_mult): Avoid clobbering op0 and
8524         op1 whilst expanding the signed widenening multiply variant.
8525
8526 2005-03-15  Richard Sandiford  <rsandifo@redhat.com>
8527
8528         * toplev.c (display_target_options): Avoid unused variable warning if
8529         TARGET_SWITCHES and TARGET_OPTIONS are both undefined.
8530         * config/mips/mips.c (mips_arch_string, mips_tune_string): Make static.
8531         (mips_isa_string, mips_abi_string, mips_fix_vr4130_string): Delete.
8532         (mips_isa): Initialize to MIPS_ABI_DEFAULT.
8533         (mips_isa_info): New variable.
8534         (mips_parse_cpu): Remove the first argument and leave the caller
8535         to report errors.
8536         (TARGET_HANDLE_OPTION): Override default.
8537         (mips_handle_option): New function.  Move option validation code from...
8538         (override_options): ...here.  Update calls to mips_parse_cpu.
8539         * config/mips/mips.h (mips_arch_string, mips_tune_string)
8540         (mips_isa_string, mips_abi_string, TARGET_OPTIONS)
8541         (SUBTARGET_TARGET_OPTIONS): Delete.
8542         * config/mips/mips.opt (mabi=, march=, mflush-func=, mips)
8543         (mno-flush-func, mtune=): New options.
8544
8545 2005-03-15  Roger Sayle  <roger@eyesopen.com>
8546             Richard Henderson  <rth@redhat.com>
8547
8548         * real.c (c4x_single_format, c4x_extended_format): Provide values
8549         for signbit_ro for c4x's single and extended floating point formats.
8550         * optabs.c (expand_copysign): Use the floating point format's
8551         signbit_ro for expanding via expand_copysign_absneg, and it's
8552         signbit_rw field for expanding via expand_copysign_bit.
8553
8554 2005-03-15  Dorit Naishlos  <dorit@il.ibm.com>
8555
8556         * tree-vectorizer.h (unknown_alignment_for_access_p): Replaced by
8557         known_alignment_for_access_p.
8558         (known_alignment_for_access_p): New.
8559         (do_peeling_for_alignment): Field made int instead of bool and renamed
8560         to peeling_for_alignment.
8561         (LOOP_DO_PEELING_FOR_ALIGNMENT): Renamed to LOOP_PEELING_FOR_ALIGNMENT.
8562         * tree-vect-analyze.c (vect_determine_vectorization_factor): New. This
8563         functionality used to be in vect_analyze_operations.
8564         (vect_analyze_operations): Code to determine vectorization factor was
8565         moved to vect_determine_vectorization_factor.
8566         (vect_enhance_data_refs_alignment): Update to correct alignment when it
8567         is known instead of -1.  Set LOOP_PEELING_FOR_ALIGNMENT to peeling
8568         factor.
8569         (vect_analyze_loop): Call vect_determine_vectorization_factor (used to
8570         be part of vect_analyze_operations).
8571         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Use fold when
8572         creating the guard condition, as the number of iterations may be
8573         constant.
8574         (slpeel_tree_peel_loop_to_edge): Use new name of
8575         LOOP_DO_PEELING_FOR_ALIGNMENT. Set it to 0 instead of false.
8576         * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Handle known
8577         alignment case more efficiently. Use LOOP_PEELING_FOR_ALIGNMENT.
8578         (vect_do_peeling_for_alignment): Use fold.
8579         (vect_transform_loop): Use new name of LOOP_DO_PEELING_FOR_ALIGNMENT.
8580
8581         (vect_update_inits_of_dr): Renamed to
8582         vect_update_init_of_dr.
8583         (vect_update_inits_of_drs): Use new name of vect_update_inits_of_dr.
8584         (vectorizable_store): Fix assertion to use == instead of =.
8585
8586 2005-03-15  Daniel Jacobowitz  <dan@codesourcery.com>
8587
8588         * config/arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't clear
8589         call_used_regs for wCG registers.
8590
8591 2005-03-15  Ulrich Weigand  <uweigand@de.ibm.com>
8592
8593         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
8594         for non-offsettable memory references to cope with outstanding reload
8595         replacements, take 2.
8596
8597 2005-03-15  Uros Bizjak  <uros@kss-loka.si>
8598
8599         PR target/18668
8600         * config/i386/i386.h (x86_fisttp): New.
8601         (TARGET_FISTTP): New macro.
8602         * config/i386/i386.c (x86_fisttp): Set for NOCONA.
8603         (output_fix_trunc): Add fisttp parameter.  Generate fisttp x87
8604         instruction when fisttp flag is set.
8605         * config/i386/i386-protos.h (output_fix_trunc): Change declaration.
8606
8607         * config/i386/i386.md (type attribute): Add fisttp.
8608         (unit attribute): Set to i387 for fisttp type.
8609         (X87MODEF, X87MODEI, SSEMODEF, SSEMODEI24): New mode macros.
8610         (fix_truncxfdi2, fix_truncxfsi2): Generate fisttp patterns for
8611         TARGET_FISTTP.
8612         (fix_truncdfdi2, fix_truncsfdi2, fix_truncdfsi2, fix_truncsfsi2):
8613         Generate fisttp patterns for TARGET_FISTTP. Implement using mode
8614         macros.
8615         (fix_truncxfhi2, fix_truncdfhi2, fix_truncsfhi2): Generate fisttp
8616         patterns for TARGET_FISTTP.  Enable patterns for
8617         (TARGET_FISTTP && !TARGET_SSE_MATH). Implement using mode macros.
8618         (fix_trunc<mode>_i387_fisttp_1, fix_trunc<mode>_i387_fisttp,
8619         fix_trunc<mode>_i387_fisttp_with_temp): New instruction patterns to
8620         implement fisttp x87 insn.
8621         (fix_trunc*_i387_fisttp splitters): New patterns.
8622         (*fix_truncdi_i387, *fix_truncsi_i387, *fix_trunchi_i387):
8623         Rename to *fix_trunc<mode>_i387_1.  Implement using mode macros.
8624         Disable patterns for TARGET_FISTTP.  Add comment about FLAGS_REG
8625         clobber.
8626         (fix_truncdi_memory, fix_truncdi_nomemory, fix_trunchi_nomemory):
8627         Rename to fix_trunc<mode>_i387 and fix_trunc<mode>_i387_with_temp.
8628         Implement using mode macros. Disable patterns for TARGET_FISTTP.
8629         (fix_truncsi_memory, fix_truncsi_nomemory, fix_trunchi_memory,
8630         fix_trunchi_nomemory): Rename to fix_trunc<mode>_i387 and
8631         fix_trunc<mode>_i387_with_temp. Implement using mode macros.
8632         Disable patterns for TARGET_FISTTP.
8633         (fix_trunc*_i387 splitters): Implement usign mode macros.
8634         (fix_truncdfdi_sse, fix_truncsfdi_sse, fix_truncdfsi_sse,
8635         fix_truncsfsi_sse): Disable for (TARGET_FISTTP && !TARGET_SSE_MATH).
8636         (fix_trunx*_sse peephole2s): Implement using mode macros.
8637
8638 2005-03-15  J"orn Rennecke <joern.rennecke@st.com>
8639
8640         PR rtl-optimization/20291
8641         * combine.c (try_combine): If splitting fails, re-try with
8642         original combined pattern, i.e. before clobber stripping.
8643
8644 2005-03-14  Eric Christopher  <echristo@redhat.com>
8645
8646         * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Change for
8647         STACK_GROWS_DOWNWARD.
8648
8649 2005-03-14  Roger Sayle  <roger@eyesopen.com>
8650
8651         * real.h (struct real_format): Split the signbit field into two
8652         two fields, signbit_ro and signbit_rw.
8653         * real.c (ieee_single_format, mips_single_format, ieee_double_format,
8654         mips_double_format, ieee_extended_motorola_format,
8655         ieee_extended_intel_96_format, ieee_extended_intel_96_round_53_format,
8656         ieee_extended_intel_128_format, ibm_extended_format,
8657         mips_extended_format, ieee_quad_format, mips_quad_format,
8658         vax_f_format, vax_d_format, vax_g_format, i370_single_format,
8659         i370_double_format, c4x_single_format, c4x_extended_format,
8660         real_internal_format): Update initializers for new field.
8661         * builtins.c (expand_builtin_signbit): Use signbit_ro field of the
8662         real_format structure.
8663         * optabs.c (expand_absneg_bit, expand_copysign): Use signbit_rw
8664         field of the real_format structure.
8665
8666 2005-03-14  Daniel Berlin <dberlin@dberlin.org>
8667
8668         Fix PR tree-optimization/20458
8669
8670         * tree-flow-inline.h (mark_call_clobbered): Don't fiddle
8671         DECL_EXTERNAL on STRUCT_FIELD tags.
8672         (clear_call_clobbered): Ditto.
8673         * tree-ssa-operands.c (note_addressable): Make sure the original
8674         variable doesn't slip into the addressable list if we have
8675         subvars.
8676         * tree-tailcall.c (suitable_for_tail_opt_p): Look at STRUCT_FIELD
8677         tags too.
8678
8679 2005-03-14  Geoffrey Keating  <geoffk@apple.com>
8680
8681         * doc/cppopts.texi (-fexec-charset): Add concept index entry.
8682         (-fwide-exec-charset): Likewise.
8683         (-finput-charset): Likewise.
8684         * doc/invoke.texi (Warning Options): Document -Wnormalized=.
8685         * c-opts.c (c_common_handle_option): Handle -Wnormalized=.
8686         * c.opt (Wnormalized): New.
8687
8688 2005-03-14  Devang Patel  <dpatel@apple.com>
8689
8690         * doc/invoke.texi: Add reference to Visibility document.
8691
8692 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
8693
8694         * config.gcc (mips*-*-*): Rename MASK_SPLIT_ADDRS to
8695         MASK_SPLIT_ADDRESSES.
8696         * config/mips/mips.h (target_flags, mips_fix_vr4130_string): Delete.
8697         (MASK_INT64, MASK_LONG64, MASK_SPLIT_ADDR, MASK_NO_FUSED_MADD)
8698         (MASK_EXPLICIT_RELOCS, MASK_MEMCPY, MASK_SOFT_FLOAT)
8699         (MASK_FLOAT64, MASK_ABICALLS, MASK_XGOT, MASK_LONG_CALLS)
8700         (MASK_64BIT, MASK_EMBEDDED_DATA, MASK_BIG_ENDIAN)
8701         (MASK_SINGLE_FLOAT, MASK_MAD, MASK_4300_MUL_FIX, MASK_MIPS16)
8702         (MASK_NO_CHECK_ZERO_DIV, MASK_BRANCHLIKELY)
8703         (MASK_UNINIT_CONST_IN_RODATA, MASK_FIX_R4000, MASK_FIX_R4400)
8704         (MASK_FIX_SB1, MASK_FIX_VR4120, MASK_VR4130_ALIGN)
8705         (MASK_FP_EXCEPTIONS, MASK_DIVIDE_BREAKS, MASK_PAIRED_SINGLE)
8706         (MASK_MIPS3D, MASK_SYM32, MASK_DEBUG, MASK_DEBUG_D)
8707         (MASK_MIPS_TFILE, TARGET_INT64, TARGET_LONG64, TARGET_FLOAT64)
8708         (TARGET_64BIT, TARGET_SPLIT_ADDRESSES, TARGET_DEBUG_MODE)
8709         (TARGET_DEBUG_D_MODE, TARGET_MEMCPY, TARGET_ABICALLS)
8710         (TARGET_XGOT, TARGET_SOFT_FLOAT, TARGET_HARD_FLOAT)
8711         (TARGET_LONG_CALLS, TARGET_EMBEDDED_DATA)
8712         (TARGET_UNINIT_CONST_IN_RODATA, TARGET_BIG_ENDIAN)
8713         (TARGET_SINGLE_FLOAT, TARGET_DOUBLE_FLOAT, TARGET_MAD)
8714         (TARGET_FUSED_MADD, TARGET_4300_MUL_FIX, TARGET_CHECK_ZERO_DIV)
8715         (TARGET_DIVIDE_TRAPS, TARGET_BRANCHLIKELY, TARGET_FIX_SB1)
8716         (TARGET_FIX_R4000, TARGET_FIX_R4400, TARGET_FIX_VR4120)
8717         (TARGET_FIX_VR4130, TARGET_VR4130_ALIGN, TARGET_FP_EXCEPTIONS)
8718         (TARGET_PAIRED_SINGLE_FLOAT, TARGET_MIPS3D, TARGET_SYM32)
8719         (TARGET_EXPLICIT_RELOCS): Delete.
8720         (TARGET_SWITCHES, SUBTARGET_TARGET_SWITCHES): Delete.
8721         (TARGET_OPTIONS): Remove entry for -mfix-vr4130.
8722         * config/mips/mips.c (TARGET_DEFAULT_TARGET_FLAGS): Define.
8723         (override_options): Set MASK_LONG64 if -mint64 is given and no
8724         -mlongXX option is.  Complain about -mint64 -mlong32.
8725         (override_options, CMP_BUILTINS, mips_bdesc, sb1_desc): Rename
8726         MASK_PAIRED_SINGLE to MASK_PAIRED_SINGLE_FLOAT.
8727         * config/mips/mips.opt: New file.
8728
8729 2005-03-14  Richard Sandiford  <rsandifo@redhat.com>
8730
8731         * config.gcc (extra_options): New variable for listing option files.
8732         Add ${cpu_type}/${cpu_type}.opt to it if that file exists.
8733         * configure.ac (extra_opt_files): New AC_SUBST variable.
8734         (tm_file_list, tm_include_list): Include options.h first.
8735         * configure: Regenerate.
8736         * Makefile.in (extra_opt_files, ALL_OPT_FILES): New variables.
8737         (s-options): Use $(ALL_OPT_FILES) instead of $(lang_opt_files)
8738         (s-options-h): New rule.
8739         (options.h): Depend on it.
8740         (TEXI_GCCINT_FILES): Add options.texi.
8741         * hooks.h (hook_bool_size_t_constcharptr_int_true): Declare.
8742         * hooks.c (hook_bool_size_t_constcharptr_int_true): New function.
8743         * target.h (gcc_target): Add default_target_flags and handle_option.
8744         * target-def.h (TARGET_DEFAULT_TARGET_FLAGS)
8745         (TARGET_HANDLE_OPTION): New macros.
8746         (TARGET_INITIALIZER): Include them.
8747         * opt-functions.awk (opt_args, nth_arg): New functions.
8748         (switch_flags): Handle the "Target" flag.
8749         (var_args): Delete.
8750         (var_name): Use opt_args and nth_arg.
8751         (var_set, var_ref): Likewise.  Handle "Mask" and "InverseMask".
8752         * opth-gen.awk: Declare target_flags.  Declare MASK_* and TARGET_*
8753         macros for the "Mask" and "InverseMask" options.
8754         * opts.h (cl_var_cond): New enum.
8755         (cl_option): Replace the "has_set_value" and "set_value" fields with
8756         "var_cond" and "var_value".
8757         (CL_TARGET): New macro.
8758         (option_enabled, print_filtered_help): Declare.
8759         (decode_options): Move definition.
8760         * opts.c (handle_option): Search for the original option before
8761         removing any "no-" prefix.  Handle CL_TARGET.  Adjust for the new
8762         var_cond and var_value fields.  Use targetm.handle_option to handle
8763         target options.
8764         (decode_options): Set target_flags to targetm.default_target_flags.
8765         (print_filtered_help): Make global.  Handle CL_TARGET.
8766         (option_enabled): New function.
8767         * toplev.c (target_switches): Guard with #ifdef TARGET_SWITCHES.
8768         (display_target_options, set_target_switch, print_switch_values)
8769         (default_pch_valid_p): Guard uses of target_switches with
8770         #ifdef TARGET_SWITCHES.  Also...
8771         (display_target_options): Display the CL_TARGET entries in cl_options.
8772         (set_target_option): Don't complain about the "" option when
8773         TARGET_SWITCHES is undefined.
8774         (print_switch_values): Use option_enabled.
8775         (default_pch_valid_p): Check cl_options[] when looking for something
8776         that has changed the value of target_flags.
8777         * c.opt: Remove documentation from top of file.
8778         * doc/gccint.texi: Add an "Options" chapter.  Include options.texi.
8779         * doc/sourecebuild.texi: Refer to the new options documentation
8780         instead of c.opt.  Document machine-specific .opt files.
8781         * doc/tm.texi (target_flags): Say that this variable is declared
8782         by options.h.
8783         (TARGET_DEFAULT_TARGET_FLAGS, TARGET_HANDLE_OPTION): Document.
8784         (TARGET_SWITCHES, TARGET_OPTIONS): Refer to the option files as
8785         an alternative.
8786         * doc/options.texi: New file.
8787
8788 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
8789
8790         PR middle-end/18628
8791         * cse.c (fold_rtx_mem): Don't fold a load from a jumptable into a
8792         register.
8793
8794 2005-03-14  Alexandre Oliva  <aoliva@redhat.com>
8795
8796         PR c++/20280
8797         * gimplify.c (gimplify_cond_expr): Add fallback argument.  Use a
8798         temporary variable of pointer type if an lvalues is required.
8799         (gimplify_modify_expr_rhs): Request an rvalue from it.
8800         (gimplify_expr): Pass fallback on.
8801
8802 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
8803
8804         * cfgbuild.c: Update comments.
8805
8806 2005-03-14  Roger Sayle  <roger@eyesopen.com>
8807
8808         PR rtl-optimization/17236
8809         * optabs.c (expand_doubleword_mult): New helper function split out
8810         from expand_binop.  Permute the order in which instructions are
8811         emitted to minimize the number of simultaneously live registers.
8812         (expand_binop): Call expand_doubleword_mult to synthesize a double
8813         word multiplication.
8814
8815 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
8816
8817         * basic-block.h: Update the prototypes of cached_make_edge and
8818         rtl_make_eh_edge.
8819         * cfg.c (cached_make_edge): Take edge_cache representing one
8820         row of the adjacency matrix of edges.
8821         * cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
8822         (make_edges): Initialize edge_cache to represent one row of
8823         the adjacency matrix of edges.
8824
8825 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
8826
8827         * tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
8828         New functions.
8829         (tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
8830         Remove unused removed_phis variable.
8831         (conditional_replacement): Use build1/build2.
8832         (abs_replacement): Use last_and_only_stmt and build1/build2.
8833
8834 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
8835
8836         * builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
8837         ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
8838         * builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
8839         (BUILT_IN_PREFETCH): Set the NOVOPS attribute.
8840         * c-common.c (handle_novops_attribute): New function.
8841         (c_common_attribute_table): Add "no vops" entry.
8842         * c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
8843         * calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
8844         * tree-ssa-operands.c (get_call_expr_operands): Do not
8845         create virtual operands for calls with ECF_NOVOPS flag.
8846         * tree.h (DECL_IS_NOVOPS): New macro.
8847         (struct tree_decl): Add novops_flag.
8848         (ECF_NOVOPS): New constant.
8849
8850 2005-03-14  Uros Bizjak  <uros@kss-loka.si>
8851
8852         PR target/17688
8853         * config/i386/i386.c (x86_use_himode_fiop): New.
8854         (x86_use_simode_fiop): Rename from x86_use_fiop.
8855         * config/i386/i386.h (x86_use_himode_fiop): Declare.
8856         (TARGET_USE_HIMODE_FIOP): New.
8857         (x86_use_simode_fiop): Rename from x86_use_fiop.
8858         (TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.
8859
8860         * config/i386/i386.md (X87MODEI12): New mode macro define.
8861         (*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
8862         to implement x87 FP compare with HImode input operands.
8863         (*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
8864         Use X87MODEI12 mode macro to handle HImode input operands.
8865         (*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
8866         *fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
8867         Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
8868         *fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
8869         macro to implement x87 operators with HImode input operands.
8870         (fop splitters): Use X87MODEI12 mode macro to handle HImode
8871         input operands.
8872
8873 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
8874
8875         * tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
8876         integer_zerop.
8877         * tree-gimple.c (is_gimple_min_invariant): Consider overflowed
8878         constants invariant.
8879
8880 2005-03-14  Zdenek Dvorak  <dvorakz@suse.cz>
8881
8882         * basic-block.h (BB_VISITED): Removed.
8883         * cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.
8884
8885 2005-03-14  Falk Hueffner  <falk@debian.org>
8886
8887         PR bootstrap/20424
8888         * config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.
8889
8890 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
8891
8892         * ggc-zone.c: Fix comment typos.
8893
8894         * alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
8895         stringpool.c, config/mips/mips-protos.h: Update copyright.
8896
8897 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
8898
8899         * config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
8900         throughout with its typedef, "rtx".
8901         * config/rs6000/rs6000.c: Likewise.  Formatting fixes.
8902         (rs6000_tls_symbol_ref_1): Remove inline keyword.
8903         * config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
8904         regs in comment to match code.
8905
8906 2005-03-14  Kazu Hirata  <kazu@cs.umass.edu>
8907
8908         * except.c (check_handled): Make it static.
8909         * except.h: Remove the corresponding prototype.
8910
8911         * function.c (get_func_frame_size): Make it static.
8912         * function.h: Remove the corresponding type.
8913
8914         * regclass.c (reg_class_superclasses, reg_class_subclasses):
8915         Make them static.
8916         * hard-reg-set.h: Remove the corresponding declarations.
8917
8918         * tree-cfg.c (verify_stmts): Check that
8919         bb_for_stmt (stmt) == bb for every PHI node and statement.
8920
8921 2005-03-14  Alan Modra  <amodra@bigpond.net.au>
8922
8923         * config.gcc: Remove excess indentation.
8924         (powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.
8925
8926 2005-03-13  Roger Sayle  <roger@eyesopen.com>
8927
8928         PR middle-end/19331
8929         * tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
8930         * fold-const.c (fold_sign_changed_comparison): Likewise.
8931         (fold_binary): Optimize comparisons against widened operands if
8932         the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.
8933
8934 2005-03-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
8935
8936         * config/sparc/sparc.c (struct_value_alias_set): New global variable.
8937         (sparc_override_options): Initialize it.
8938         (sparc_struct_value_rtx): Set it on the MEM to be returned.
8939
8940 2005-03-13  David Edelsohn  <edelsohn@gnu.org>
8941
8942         * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
8943         (reg_or_none500mem_operand): New predicate.
8944         (zero_reg_mem_operand): New predicate.
8945         * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
8946         to reg_or_none500mem_operand.
8947         (extendsfdf2_fpr): Add MEM alternative.
8948         (extenddftf2_internal): Change operand2 predicate to
8949         zero_reg_mem_operand.
8950
8951 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
8952
8953         * ggc-zone.c: Rewritten.
8954
8955         * alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
8956         if there are none.
8957         * configure.ac: Define GGC_ZONE for --with-gc=zone.
8958         * config.in: Regenerated.
8959         * configure: Regenerated.
8960         * gengtype.c (write_types_process_field, write_func_for_structure):
8961         Pass new argument to gt_pch_note_object.
8962         * ggc-common.c (struct ptr_data): Add TYPE.
8963         (gt_pch_note_object): Take TYPE argument and save it.
8964         (call_count): Update call to ggc_pch_count_object.
8965         (call_alloc): Update call to ggc_pch_alloc_object.
8966         (gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
8967         file.
8968         * ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
8969         * ggc-page.c (rtl_zone, tree_zone, garbage_zone)
8970         (ggc_alloc_zone_stat): Delete.
8971         (ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
8972         * ggc.h (gt_pch_note_object, ggc_pch_count_object)
8973         (ggc_pch_alloc_object): Update prototypes.
8974         (garbage_zone): Delete.
8975         (tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
8976         GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
8977         pointers.
8978         (tree_id_zone): New variable.
8979         (ggc_alloc_cleared_zone): Remove unused.
8980         (ggc_alloc_zone): Define.
8981         (ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
8982         * rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
8983         ggc_alloc_zone_stat.
8984         * stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
8985         * tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
8986         (tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
8987         (make_node_stat): Likewise.  Use tree_id_zone.
8988
8989 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
8990             Joseph S. Myers  <joseph@codesourcery.com>
8991
8992         * configure.ac: Check for MIPS TLS.
8993         * configure: Regenerated.
8994         * config/mips/mips-protos.h (enum mips_symbol_type): Add
8995         SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
8996         SYMBOL_GOTTPREL, and SYMBOL_TPREL.
8997         * config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
8998         (TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
8999         (mips_classify_symbol, mips_symbolic_constant_p)
9000         (mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
9001         (mips_tls_operand_p, mips_call_tls_get_addr)
9002         (mips_legitimize_tls_address, mips_cannot_force_const_mem)
9003         (mips_tls_symbol_ref_1): New functions.
9004         (mips_legitimize_address, mips_legitimize_const_move): Call
9005         mips_legitimize_tls_address.
9006         (override_options): Handle V1_REG and TLS symbols.  Disable TLS
9007         for MIPS16.
9008         * config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
9009         (REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
9010         (mips_char_to_class): Document V1_REG.
9011         (HAVE_AS_TLS): Provide default.
9012         * config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
9013         constants.
9014         (load_got<mode>): Renamed from *load_got<mode>.  Allow when
9015         !TARGET_ABICALLS.
9016         (tls_get_tp_<mode>): New instruction.
9017
9018 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
9019
9020         * configure.ac: Update checks for target tools.
9021         * configure: Regenerated.
9022
9023 2005-03-13  Daniel Jacobowitz  <dan@codesourcery.com>
9024
9025         * varasm.c (decl_tls_model): Check flag_shlib instead of flag_pic.
9026
9027 2005-03-13  Roger Sayle  <roger@eyesopen.com>
9028
9029         * expmed.c (expand_mult): Use synthetic multiplication sequences for
9030         more classes of DImode multiplication by constant.  Allow both
9031         multiplication by small negative constants (by performing a
9032         multiplication by a positive constant and negating the result) and
9033         multiplications by large powers of two, by using a left shift.
9034
9035 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
9036
9037         * tree-into-ssa.c (find_idf): Speed up by putting the indexes
9038         of basic blocks into work_stack.
9039
9040         * builtin-attrs.def, c-lex.c, c-pragma.h, reg-stack.c,
9041         config/mips/vr.h: Update copyright.
9042
9043         * c-decl.c (c_init_decl_processing): Remove useless calls to
9044         build_function_type.
9045
9046         * builtins.c (fold_trunc_transparent_mathfn,
9047         fold_fixed_mathfn, fold_builtin_atan, fold_builtin_trunc,
9048         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
9049         fold_builtin_lround, fold_builtin_bitop, fold_builtin_memcpy,
9050         fold_builtin_strcpy, fold_builtin_strncpy,
9051         fold_builtin_signbit): Use TYPE (TYPE (fndecl)) instead of
9052         TREE_TYPE (exp).
9053
9054         * builtins.c (expand_builtin_mathfn_3): Remove local variable
9055         before_call.
9056
9057         * lambda-code.c (lambda_compute_auxillary_space): Remove local
9058         variable determinant.
9059
9060         * tree-cfg.c (group_case_labels): Remove local variable type.
9061
9062         * tree-ssa-live.c (build_tree_conflict_graph): Remove local
9063         variable ann.
9064
9065         * tree-ssa-phiopt.c (value_replacement): Remove local variable
9066         result.
9067
9068 2005-03-13  Andy Hutchinson  <HutchinsonAndy@netscape.net>
9069
9070         PR target/18251
9071         * config/avr/avr.md (movmemhi): Rewrite as RTL loop.
9072         (*movmemqi_insn): Delete.
9073         (*movmemhi): Delete.
9074
9075 2005-03-13  Kazu Hirata  <kazu@cs.umass.edu>
9076
9077         * builtins.c (fold_builtin_classify): Take decomposed
9078         arguments of CALL_EXPR.
9079         (fold_builtin_1): Update a call to fold_builtin_classify.
9080
9081 2005-03-13  Joseph S. Myers  <joseph@codesourcery.com>
9082
9083         PR c/20402
9084         * c-parser.c (c_parser_struct_or_union_specifier): Don't fall
9085         through into call to parser_xref_tag after parse error.
9086         (c_parser_struct_declaration): Consistently return NULL_TREE on
9087         error.
9088
9089 2005-03-12  Daniel Berlin  <dberlin@dberlin.org>
9090
9091         * tree-flow-inline.h (ref_contains_array_ref): New function.
9092         (lookup_subvars_for_var): Ditto.
9093         (get_subvars_for_var): Ditto.
9094         (var_can_have_subvars): Ditto.
9095
9096         * tree-flow.h (mem_tag_kind): Add STRUCT_FIELD.
9097         (struct subvar): New type.
9098
9099         * tree-dfa.c (okay_component_ref_for_subvars): New function.
9100
9101         * tree-optimize.c (init_tree_optimization_passes): Call
9102         pass_create_structure_vars.
9103
9104         * tree-ssa-alias.c: Include vec.h.
9105         (init_alias_info): Don't auto-clear call clobbered on struct-field
9106         tags.
9107         (compute_flow_insensitive_aliasing): Handle subvars.
9108         (group_aliases): Handle STRUCT_FIELD aliases.
9109         (setup_pointers_and_addressables): Ditto.
9110         Don't mark variables non-addressable if they still have
9111         addressable subvars.
9112         Also mark subvars addressable when the real variable is marked
9113         addressable.
9114         (add_pointed_to_var): Try to prune the pointed-to set by only
9115         pointing to subvars when possible.
9116         Otherwise, make sure we set addresses_needed and pt_vars to
9117         properly include subvars.
9118         (bitpos_of_field): New function.
9119         (push_fields_onto_fieldstack): Ditto.
9120         (get_or_create_used_part_for): Ditto.
9121         (create_overlap_variables_for): Ditto.
9122         (find_used_portions): Ditto.
9123         (create_structure_vars): Ditto.
9124         (pass_create_structure_vars): New structure.
9125
9126         * tree-ssa-operands.c (finalize_ssa_v_must_defs): Remove assert.
9127         (get_expr_operands): Handle subvars.  Also try to turn
9128         COMPONENT_REF accesses into must-defs now that we can accurately
9129         portray it.
9130         (note_addressable): Try to only mark as addressable those subvars
9131         we know a COMPONENT_REF touches.
9132         (overlap_subvar): New function.
9133
9134         * tree-vect-analyze.c (vect_object_analysis): Add new parameter.
9135         Handle subvar storing.
9136         (vect_address_analysis): Update caller of vect_object_analysis.
9137
9138         * tree-vect-transform.c (vect_create_data_ref_ptr): Copy subvars.
9139
9140         * tree-vectorizer.h (struct _stmt_vec_info): Add subvars member.
9141         (STMT_VINFO_SUBVARS): New macro.
9142
9143         * common.opts: add flag_tree_salias.
9144
9145         * opts.c (decode_options): flag_tree_salias defaults to on.
9146
9147         * doc/invoke.texi: Document fdump-tree-svars and -ftree-salias.
9148
9149         * doc/tree-ssa.texi: Document structural alias analysis.
9150
9151 2005-03-12  Steven Bosscher  <stevenb@suse.de>
9152
9153         * tree-cfg.c (make_goto_expr_edges): Don't use error_mark_node.
9154         * tree-ssa-dce.c (mark_stmt_necessary): Don't check for it.
9155         * tree-ssa-operands.c (get_expr_operands): Likewise.
9156         (get_expr_operands): Likewise for ERROR_MARK.
9157
9158 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
9159
9160         * tree-ssa.c (kill_redundant_phi_nodes): Remove local variable
9161         var.
9162
9163         * tree-ssa-phiopt.c (tree_ssa_phiopt): Remove local variable
9164         removed_phis.
9165
9166         * tree-ssa-pre.c (compute_avail): Remove local variable val.
9167         (mark_operand_necessary): Remove local variable ver.
9168
9169         * tree-vect-transform.c (vect_get_new_vect_var): Remove local
9170         variable prefix_len.
9171
9172         * value-prof.c (mod_subtract_transform): Remove local variable
9173         value.
9174
9175         * builtins.c (fold_builtin_exponent): Take decomposed
9176         arguments of CALL_EXPR.
9177         (fold_builtin_1): Update a call to fold_builtin_exponent.
9178
9179         * builtins.c (fold_builtin_logarithm): Take decomposed
9180         arguments of CALL_EXPR.
9181         (fold_builtin_1): Update a call to fold_builtin_logarithm.
9182
9183         * c-decl.c (c_init_decl_processing): Remove local variables
9184         ptr_ftype_void and ptr_ftype_ptr.
9185
9186         * gimplify.c (gimplify_expr): Remove local variables r0 and
9187         r1.
9188
9189         * reg-stack.c (move_for_stack_reg): Remove local variable
9190         push_insn.
9191         (compare_for_stack_reg): Remove local variable flags_user.
9192         (convert_regs_1): Remove local variable deleted.
9193
9194         * tree-if-conv.c (tree_if_convert_cond_expr): Remove local
9195         variable new_cond.
9196         (combine_blocks): Remove local variables exits and new_e.
9197
9198         * tree-inline.c (expand_call_inline): Remove local variable
9199         decl.
9200
9201         * tree-ssa-live.c (create_ssa_var_map,
9202         calculate_live_on_entry): Remove local variable snn.
9203
9204 2005-03-12  Geoffrey Keating  <geoffk@apple.com>
9205
9206         * c-lex.c (c_lex_with_flags): Add parameter to call to
9207         cpp_spell_token.
9208
9209 2005-03-11  Per Bothner  <per@bothner.com>
9210
9211         * c-tree.h (struct c_declarator): New id_loc field.
9212         * c-pragma.h (c_lex_with_flags): Take position reference.
9213         * c-lex.c (c_lex_with_flags): Set passed-in location from cpp token,
9214         iff USE_MAPPED_LOCATION. (Type doesn't match otherwise.)
9215         (c_lex): Pass dummy location to c_lex_with_flags.
9216         * c-parser.c (c_lex_one_token): Set c_token's location using
9217         c_lex_with_flags, instead of input_location, which might be "ahead".
9218         (c_parser_direct_declarator): Set declarator's id_loc from
9219         c_token's id_loc.
9220         * c-decl.c (grokdeclarator): Set DECL_SOURCE_LOCATION from
9221         declarator's id_loc, rather than probably-imprecise input_location.
9222         (build_id_declarator): Initialize c_declarator's id_loc field.
9223
9224 2005-03-11  Roger Sayle  <roger@eyesopen.com>
9225
9226         PR middle-end/20419
9227         * builtins.c (expand_builtin_signbit): Force the signbit's word
9228         into an integer register to avoid SUBREGs of floating point modes.
9229
9230 2005-03-12  Kazu Hirata  <kazu@cs.umass.edu>
9231
9232         * cfglayout.c, loop-doloop.c, profile.c, target-def.h,
9233         target.h, targhooks.c, tracer.c, tree-ssa-loop-ch.c,
9234         tree-ssa-loop-unswitch.c, tree-ssa-loop.c, vec.c, vmsdbgout.c,
9235         config/m32r/m32r.md, config/xtensa/xtensa.h: Update copyright.
9236
9237 2005-03-11  David Edelsohn  <edelsohn@gnu.org>
9238
9239         PR rtl-optimization/20306
9240         * expr.c (emit_move_complex): Set try_int false if mode is
9241         MODE_COMPLEX_FLOAT and mov_optab exists for inner mode.  Only try
9242         emit_block_move if try_int is true.
9243
9244 2005-03-11  Richard Henderson  <rth@redhat.com>
9245
9246         PR target/20415
9247         * config/i386/mmx.md (vec_dupv4hi): Fix predicate.
9248         * config/i386/i386.c (ix86_expand_vector_init_duplicate): Update
9249         to match.
9250
9251 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
9252
9253         * config/mips/mips.h (mips_fix_vr4130_string): Declare.
9254         (TARGET_FIX_VR4130): New macro.
9255         (TARGET_OPTIONS): Add -mfix-vr4130.
9256         (ISA_HAS_MACCHI): New macro.
9257         (ASM_SPEC): Add -mfix-vr4130.
9258         * config/mips/mips.c (mips_fix_vr4130_string): New variable.
9259         (override_options): Handle mips_fix_vr4130_string.
9260         (mips_avoid_hazards): Clear all_noreorder_p
9261         if we're working around VR4130 errata and the macc alternatives
9262         are not available.
9263         * config/mips/mips.md (mfhilo_<mode>): Turn into a define_expand.
9264         (*mfhilo_<mode>, *mfhilo_<mode>_macc): New insns.
9265         * config/mips/vr.h (DEFAULT_VR_ARCH): Set to mfix-vr4130.
9266         (MULTILIB_DEFAULTS): Remove leading "march=".
9267         (DRIVER_SELF_SPECS): Likewise.  Make -mfix-vr4130 imply -march=vr4130
9268         if no architecture option is given.
9269         * config/mips/t-vr (MULTILIB_OPTIONS): Use -mfix-vr4130 for the
9270         VR4130 multilibs.
9271         (MULTILIB_MATCHES): Map -march=vr4130 to the -mfix-vr4130 multilibs.
9272         * doc/invoke.texi: Document -mfix-vr4130.
9273
9274 2005-03-11  Richard Sandiford  <rsandifo@redhat.com>
9275
9276         * config/mips/mips.c (override_options): Only warn about -mint64
9277         deprecation if TARGET_INT64.
9278
9279 2005-03-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9280
9281         * builtin-attrs.def (ATTR_NONNULL_LIST, ATTR_NOTHROW_NONNULL,
9282         ATTR_CONST_NOTHROW_NONNULL, ATTR_PURE_NOTHROW_NONNULL,
9283         ATTR_MALLOC_NOTHROW_NONNULL): New "nonnull" attribute lists which
9284         are non-specific regarding the nonnull parameter positions.
9285         (ATTR_NONNULL_1_2, ATTR_NONNULL_1_4, ATTR_NOTHROW_NONNULL_1_2,
9286         ATTR_NOTHROW_NONNULL_1_4, ATTR_CONST_NOTHROW_NONNULL_1,
9287         ATTR_PURE_NOTHROW_NONNULL_1, ATTR_PURE_NOTHROW_NONNULL_1_2,
9288         ATTR_MALLOC_NOTHROW_NONNULL_1): Delete.
9289
9290         * builtins.def: Use the non-specific "nonnull" attibute lists.
9291
9292 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
9293
9294         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
9295         single_pred_edge, single_succ, single_pred): Improve comments.
9296
9297 2005-03-11  Zdenek Dvorak  <dvorakz@suse.cz>
9298
9299         * basic-block.h (single_succ_p, single_pred_p, single_succ_edge,
9300         single_pred_edge, single_succ, single_pred): New inline functions.
9301         * bb-reorder.c (rotate_loop, find_traces_1_round,
9302         add_labels_and_missing_jumps, fix_up_fall_thru_edges,
9303         duplicate_computed_gotos): Use the single_succ/pred functions.
9304         * cfganal.c (forwarder_block_p): Ditto.
9305         * cfgbuild.c (compute_outgoing_frequencies): Ditto.
9306         * cfgcleanup.c (try_simplify_condjump, try_forward_edges,
9307         outgoing_edges_match, try_crossjump_to_edge, try_optimize_cfg,
9308         merge_seq_blocks): Ditto.
9309         * cfghooks.c (split_edge, tidy_fallthru_edges): Ditto.
9310         * cfglayout.c (fixup_reorder_chain): Ditto.
9311         * cfgloop.c (mark_single_exit_loops, update_latch_info,
9312         canonicalize_loop_headers, verify_loop_structure): Ditto.
9313         * cfgloopmanip.c (remove_path, unloop, loop_delete_branch_edge,
9314         mfb_update_loops, create_preheader, force_single_succ_latches,
9315         create_loop_notes): Ditto.
9316         * cfgrtl.c (rtl_can_merge_blocks, try_redirect_by_replacing_jump,
9317         force_nonfallthru_and_redirect, rtl_tidy_fallthru_edge,
9318         commit_one_edge_insertion, purge_dead_edges,
9319         cfg_layout_can_merge_blocks_p): Ditto.
9320         * except.c (sjlj_emit_function_enter): Ditto.
9321         * flow.c (init_propagate_block_info): Ditto.
9322         * function.c (thread_prologue_and_epilogue_insns): Ditto.
9323         * gcse.c (find_implicit_sets, bypass_conditional_jumps,
9324         insert_insn_end_bb): Ditto.
9325         * ifcvt.c (merge_if_block, find_if_block, find_if_case_1,
9326         find_if_case_2): Ditto.
9327         * lambda-code.c (perfect_nestify): Ditto.
9328         * lcm.c (optimize_mode_switching): Ditto.
9329         * loop-doloop.c (doloop_modify): Ditto.
9330         * loop-init.c (loop_optimizer_init): Ditto.
9331         * loop-iv.c (simplify_using_initial_values): Ditto.
9332         * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
9333         * loop-unswitch.c (unswitch_loop): Ditto.
9334         * modulo-sched.c (generate_prolog_epilog): Ditto.
9335         * predict.c (combine_predictions_for_insn, estimate_probability,
9336         tree_estimate_probability, last_basic_block_p,
9337         estimate_bb_frequencies): Ditto.
9338         * profile.c (branch_prob): Ditto.
9339         * regrename.c (copyprop_hardreg_forward): Ditto.
9340         * sched-rgn.c (is_cfg_nonregular, find_rgns, update_live): Ditto.
9341         * tracer.c (layout_superblocks): Ditto.
9342         * tree-cfg.c (tree_can_merge_blocks_p, tree_merge_blocks,
9343         cfg_remove_useless_stmts_bb, cleanup_control_flow,
9344         cleanup_control_expr_graph, disband_implicit_edges,
9345         tree_find_edge_insert_loc, bsi_commit_edge_inserts,
9346         tree_verify_flow_info, tree_make_forwarder_block,
9347         tree_forwarder_block_p, remove_forwarder_block,
9348         remove_forwarder_block_with_phi, merge_phi_nodes): Ditto.
9349         * tree-if-conv.c (tree_if_conversion): Ditto.
9350         * tree-mudflap.c (mf_build_check_statement_for): Ditto.
9351         * tree-ssa-dce.c (remove_dead_stmt): Ditto.
9352         * tree-ssa-dom.c (dom_opt_finalize_block): Ditto.
9353         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p,
9354         copy_loop_headers): Ditto.
9355         * tree-ssa-loop-im.c (loop_commit_inserts): Ditto.
9356         * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Ditto.
9357         * tree-ssa-loop-manip.c (split_loop_exit_edge, ip_normal_pos,
9358         lv_adjust_loop_entry_edge, tree_ssa_loop_version): Ditto.
9359         * tree-ssa-loop-niter.c (simplify_using_initial_conditions): Ditto.
9360         * tree-ssa-loop-unswitch.c (simplify_using_entry_checks): Ditto.
9361         * tree-ssa-phiopt.c (tree_ssa_phiopt, value_replacement): Ditto.
9362         * tree-ssa-pre.c (compute_antic_aux, insert_aux, init_pre): Ditto.
9363         * tree-ssa-threadupdate.c (redirect_edges): Ditto.
9364         * tree-tailcall.c (independent_of_stmt_p, find_tail_calls,
9365         eliminate_tail_call, tree_optimize_tail_calls_1): Ditto.
9366         * tree-vect-analyze.c (vect_analyze_loop_form): Ditto.
9367         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
9368         * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard,
9369         slpeel_add_loop_guard): Ditto.
9370
9371 2005-03-11  James A. Morrison  <phython@gcc.gnu.org>
9372
9373         PR tree-optimization/15784
9374         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
9375         and -1 - A to ~A.
9376
9377         * stmt.c (expand_case): Don't change index_type.  Convert minval
9378         to the proper type.
9379
9380         PR tree-optimization/20130
9381         * fold-const.c (fold): Fold x * -1 into -x.
9382
9383 2005-03-11  Kaz Kojima  <kkojima@gcc.gnu.org>
9384
9385         PR rtl-optimization/20331
9386         * rtlanal.c (modified_between_p): Check its address first for MEM.
9387         (modified_in_p): Likewise.
9388
9389 2005-03-11  Joseph S. Myers  <joseph@codesourcery.com>
9390
9391         * config.gcc (hppa*64*-*-hpux11*): Use pa/t-hpux-shlib.
9392
9393 2005-03-10  Steven Bosscher  <stevenb@suse.de>
9394
9395         * expr.c (expand_expr_real_1): If possible, use a conditional
9396         move for expanding MIN_EXPR and MAX_EXPR.
9397         Use temp for moving around rtx-en.
9398
9399 2005-03-10  Andrew Pinski  <pinskia@physics.uc.edu>
9400
9401         PR rtl-opt/20412
9402         * simplify-rtx.c (simplify_relational_operation_1): Fix typo - check the
9403         correct mode.
9404
9405 2005-03-10  Roger Sayle  <roger@eyesopen.com>
9406
9407         * builtins.c (expand_builtin_signbit): Extend to handle floating
9408         point modes wider than the largest integer type, using the
9409         operand_subword_force function to obtain the signbit's word.
9410
9411 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
9412
9413         PR target/20322
9414         * combine.c (try_combine): If recog_for_combine added CLOBBERs
9415         to NEWI2PAT, fail to combine if they are used by NEWPAT.
9416
9417 2005-03-10  Aldy Hernandez  <aldyh@redhat.com>
9418
9419         * doc/invoke.texi: Add 8540 to list of cpus in rs6000 cpu section.
9420
9421 2005-03-10  Kazu Hirata  <kazu@cs.umass.edu>
9422
9423         * tree-outof-ssa.c (analyze_edges_for_bb): Make the return
9424         type void.
9425         (perform_edge_inserts): Unconditionally call
9426         free_dominator_info.
9427
9428         * tree-outof-ssa.c (analyze_edges_for_bb): Update a comment.
9429
9430 2005-03-10  Bob Wilson  <bob.wilson@acm.org>
9431
9432         * config/xtensa/xtensa.h (MEMBER_TYPE_FORCES_BLK): Define.
9433
9434 2005-03-10  Nathan Sidwell  <nathan@codesourcery.com>
9435
9436         * bitmap.c (bitmap_copy): Remove manual loop unrolling.
9437
9438         * value-prof.c (rtl_find_values_to_profile): Use gcc_assert and
9439         gcc_unreachable.
9440         (rtl_register_value_prof_hooks,
9441         tree_value_profile_transformations,
9442         tree_register_value_prof_hooks): Likewise.
9443         * var-tracking.c (stack_adjust_offset_pre_post,
9444         variable_htab_free, variable_union, dataflow_set_different_2,
9445         count_uses, variable_was_changed, set_frame_base_location,
9446         set_variable_part, emit_note_insn_var_location, vt_emit_notes,
9447         vt_add_function_parameters): Likewise.
9448         * varasm.c (named_section_real, named_section, make_decl_rtl,
9449         asm_emit_uninitialised, assemble_integer, decode_addr_const,
9450         const_hash_1, compare_constant, copy_constant, force_const_mem,
9451         output_constant_pool_2, output_constant_pool_1, output_constant,
9452         output_constructor, make_decl_one_only, decl_tls_model,
9453         default_no_named_section, default_elf_select_section_1,
9454         default_unique_section_1): Likewise.
9455         * vec.c (vec_gc_o_reserve, vec_heap_o_reserve): Likewise.
9456         * vmsdbgout.c (addr_const_to_string): Likewise.
9457
9458         PR c++/20375
9459         * function.c (struct assign_parm_data_one): Remove last_named
9460         field.
9461         (assign_parm_find_data_types): Don't determine last_named.
9462         Reorder named_parm determination.
9463         (assign_parms): Only setup varargs on the last non-varadic
9464         parameter.
9465
9466 2005-03-10  Kazuhiro Inaoka  <inaoka.lazuhiro@renesas.com>
9467
9468         * config/m32r/m32r.md (load_sda_base_32): New pattern.  Loads
9469         sda base address on medium model.
9470
9471 2005-03-10  Zdenek Dvorak  <dvorakz@suse.cz>
9472
9473         * Makefile.in (tree-optimize.o): Add CFGLOOP_H dependence.
9474         * cfgloop.c (flow_loop_nodes_find): Export.
9475         * cfgloop.h (flow_loop_nodes_find, fix_loop_structure):
9476         Declare.
9477         * cfgloopmanip.c (fix_loop_structure): New function.
9478         * predict.c (predict_loops): Clean up the loops information.
9479         * tree-cfg.c (cleanup_tree_cfg_loop): New function.
9480         (tree_can_merge_blocks_p, remove_bb, tree_forwarder_block_p): Respect
9481         loop structure.
9482         * tree-flow.h (cleanup_tree_cfg_loop): Declare.
9483         (rewrite_into_loop_closed_ssa): Declaration changed.
9484         * tree-loop-linear.c (linear_transform_loops): Add argument to
9485         rewrite_into_loop_closed_ssa call.
9486         * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9487         * tree-ssa-loop-im.c (move_computations): Ditto.
9488         * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
9489         * tree-vectorizer.c (vectorize_loops): Ditto.
9490         * tree-optimize.c: Include cfgloop.h.
9491         (execute_todo): Choose whether to call cleanup_tree_cfg or
9492         cleanup_tree_cfg_loop.
9493         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables,
9494         (tree_unroll_loops_completely): Enable cleanup_tree_cfg_loop call.
9495         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Enable
9496         cleanup_tree_cfg_loop call.
9497         * tree-ssa-loop-manip.c (find_uses_to_rename_bb): New function.
9498         (find_uses_to_rename, rewrite_into_loop_closed_ssa): Support
9499         work on part of cfg.
9500
9501 2005-03-10  Jakub Jelinek  <jakub@redhat.com>
9502
9503         PR inline-asm/20314
9504         * gimplify.c (gimplify_asm_expr): Handle input/output constraints
9505         with multiple alternatives.
9506
9507         * stmt.c (parse_output_constraint): Fix a typo.
9508
9509 2005-03-09  Bob Wilson  <bob.wilson@acm.org>
9510
9511         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Use "no-transform"
9512         assembly directive instead of deprecated "no-generics".
9513
9514 2005-03-09  Ulrich Weigand  <uweigand@de.ibm.com>
9515
9516         * config/s390/s390.c (s390_secondary_output_reload_class): Adapt check
9517         for non-offsettable memory references to cope with outstanding reload
9518         replacements.
9519         * config/s390/s390.md ("reload_outti"): Call find_replacement to
9520         avoid losing outstanding address reloads.
9521         ("reload_outdi", "reload_outdf"): Likewise.
9522
9523 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9524
9525         * builtins.c (fold_builtin_cbrt, fold_builtin_pow): Rearrange
9526         code.  Add more cbrt transformations.
9527
9528 2005-03-09  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
9529
9530         * fold-const.c (fold_unary_to_constant): Add FIX_ROUND_EXPR case.
9531
9532 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
9533
9534         * fold-const.c (fold_unary, fold_binary, fold_ternary): Return
9535         NULL_TREE when a given tree is not simplified.
9536         (fold): Return the original tree when any of the functions
9537         mentioned above NULL_TREE.
9538
9539         * fold-const.c (fold_unary, fold_binary): Take decomposed
9540         arguments, code, type, op0, and op1 in case of fold_binary.
9541         (fold): Update calls to fold_unary and fold_binary.
9542
9543 2005-03-09  Roger Sayle  <roger@eyesopen.com>
9544
9545         * builtins.c (fold_builtin_unordered_cmp): Change prototype to take
9546         a fndecl and an arglist instead of a CALL_EXPR, exp.
9547
9548 2005-03-09  Kazu Hirata  <kazu@cs.umass.edu>
9549
9550         * cfglayout.c (fixup_reorder_chain): Remove old_bb.
9551
9552         * cfgrtl.c (cfg_layout_merge_blocks): Remove new_e.
9553
9554         * expr.c (expand_assignment): Remove orig_to_rtx.
9555
9556         * fold-const.c (int_const_binop): Remove no_overflow.
9557
9558         * ifcvt.c (noce_emit_move_insn): Remove inmode.
9559
9560         * loop-iv.c (get_biv_step_1): Remove lhs.
9561
9562         * loop-unroll.c (analyze_insns_in_loop): Remove preheader.
9563
9564         * real.c (real_nan): Remove neg.
9565
9566         * function.c (thread_prologue_and_epilogue_insns): Remove i
9567         and newinsn.
9568
9569         * tree-data-ref.c (array_base_name_differ_p): Remove ta and
9570         tb.
9571
9572         * tree-eh.c (tree_could_trap_p): Remove idx.
9573
9574         * tree-into-ssa.c (ann): Remove ann.
9575
9576         * tree-outof-ssa.c (num_nodes): Remove num_nodes.
9577
9578         * tree-sra.c (decide_block_copy): Remove inst_count.
9579
9580         * tree-ssa-alias.c (may_alias_p): Remove v_ann.
9581
9582         * tree-ssa-loop-im.c (lhs): Remove.
9583
9584         * cfgbuild.c (state, STATE, SET_STATE,
9585         BLOCK_USED_BY_TABLEJUMP, FULL_STATE): Move just before
9586         make_edges.
9587         (make_edges): Speed up by skipping blocks with BLOCK_ORIGINAL.
9588         (find_basic_blocks): Set the state of each basic block to
9589         BLOCK_NEW.
9590
9591 2005-03-08  Jeff Law  <law@redhat.com>
9592
9593         * tree-cfg.c (cleanup_control_flow): If removal of a computed
9594         goto results in the removal of edges in the CFG, then we need
9595         to recompute dominators.
9596
9597 2005-03-09  Ben Elliston  <bje@au.ibm.com>
9598
9599         * c-common.c (c_do_switch_warnings): Comment fix.
9600
9601 2005-03-08  Julian Brown  <julian@codesourcery.com>
9602
9603         * Patch from 2005-03-08 reverted for causing regressions and
9604         ppc-darwin bootstrap failure.
9605
9606 2005-03-08  Fariborz Jahanian <fjahanian@apple.com>
9607
9608         * config/rs6000/rs6000.c (invalid_arg_for_unprototyped_fn):
9609         Define the real function for ppc-darwin.
9610         * c-typeck.c (convert_arguments): Check for target-specific
9611         invalid argument call to unprototyped function.
9612         * target-def.h (TARGET_INVALID_ARG_FOR_UNPROTOTYPED_FN):
9613         New Macro.
9614         * target.h (invalid_arg_for_unprototyped_fn): New field
9615         in struct calls.
9616         * targhooks.c (hook_invalid_arg_for_unprototyped_fn): New
9617         default target hook.
9618         * targhooks.h (hook_invalid_arg_for_unprototyped_fn):
9619         Declare.
9620
9621 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
9622
9623         * c-typeck.c (constructor_stack, constructor_range_stack,
9624         initializer_stack): Make them static.
9625
9626         * cfg.c (rbi_pool): Make it static.
9627
9628         * gimple-low.c (lower_stmt_body): Make it static.
9629         * tree-flow.h: Remove the corresponding prototype.  Don't
9630         declare lower_data.
9631
9632         * sched-deps.c (cache_size): Make it static.
9633
9634         * stor-layout.c (lang_adjust_rli): Make it static.
9635
9636 2005-03-08  Julian Brown  <julian@codesourcery.com>
9637
9638         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
9639         from being used for symbols with vague linkage when
9640         HAVE_GAS_COMDAT_GROUP is true.
9641
9642 2005-03-08  J"orn Rennecke <joern.rennecke@st.com>
9643
9644         * jump.c (invert_jump_1): Don't call redirect_jump_1 with
9645         nlabel == JUMP_LABEL (jump).
9646
9647 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
9648
9649         * c-common.c, c-opts.c, combine.c, cse.c, dojump.c,
9650         gimplify.c, tree-dfa.c, tree-ssa-loop-ivopts.c,
9651         tree-ssa-phiopt.c, tree-ssa-pre.c, tree-ssa-sink.c,
9652         tree-vect-analyze.c, tree.def, tree.h: Fix comment formatting.
9653
9654 2005-03-08  Alexey Neyman  <alex.neyman@auriga.ru>
9655
9656         PR c/14411
9657         * calls.c (flags_from_decl_or_type): Handle eturns_twice' attribute.
9658         * c-common.c (handle_returns_twice): New function.
9659         (c_common_attribute_table): Declare eturns_twice' attribute.
9660         * doc/extend.texi: Document eturns_twice' attribute.
9661         * tree.h (DECL_IS_RETURNS_TWICE): New macro.
9662         (struct tree_decl): Add returns_twice_flag.
9663
9664 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
9665
9666         * tree-ssa-phiopt.c: Fix a comment typo.
9667
9668         * c-semantics.c, cfghooks.c, diagnostic.h, loop-iv.c,
9669         loop-unswitch.c, modulo-sched.c, stor-layout.c, tree-gimple.h,
9670         config/i386/cygwin1.c, doc/cfg.texi, doc/objc.texi: Update
9671         copyright.
9672
9673 2005-03-08  Richard Henderson  <rth@redhat.com>
9674
9675         * config/alpha/alpha.c (code_for_builtin): Replace special-case
9676         builtin codes with ctzdi2, clzdi2, popcountdi2.
9677         (struct alpha_builtin_def): Add is_const.
9678         (zero_arg_builtins, one_arg_builtins, two_arg_builtins): Init it.
9679         (alpha_v8qi_u, alpha_v8qi_s, alpha_v4hi_u, alpha_v4hi_s): New.
9680         (alpha_init_builtins): Init them.  Set nothrow and const attributes
9681         on builtins.
9682         (alpha_fold_builtin_cmpbge, alpha_fold_builtin_zapnot,
9683         alpha_fold_builtin_extxx, alpha_fold_builtin_insxx,
9684         alpha_fold_builtin_mskxx, alpha_fold_builtin_umulh,
9685         alpha_fold_vector_minmax, alpha_fold_builtin_perr,
9686         alpha_fold_builtin_pklb, alpha_fold_builtin_pkwb,
9687         alpha_fold_builtin_unpkbl, alpha_fold_builtin_unpkbw,
9688         alpha_fold_builtin_cttz, alpha_fold_builtin_ctlz,
9689         alpha_fold_builtin_ctpop, alpha_fold_builtin): New.
9690         (TARGET_FOLD_BUILTIN): New.
9691         * config/alpha/alpha.md (UNSPEC_CTTZ): Remove.
9692         (UNSPEC_CTLZ, UNSPEC_CTPOP): Remove.
9693         (ffsdi2): Use ctz.
9694         (cttz, builtin_cttz, builtin_ctlz, builtin_ctpop): Remove.
9695
9696 2005-03-08  Ira Rosen  <irar@il.ibm.com>
9697
9698         PR tree-optimization/20122
9699         * tree-vect-analyze.c (vect_object_analysis): Analyze initial
9700         condition of access function instead of base.
9701
9702 2005-03-07  Jeff Law  <law@redhat.com>
9703             Steven Bosscher  <stevenb@suse.de>
9704
9705         * tree-cfg.c (find_taken_edge_computed_goto): New function.
9706         (find_taken_edge): Call find_taken_edge_computed_goto as
9707         appropriate.  Allow any gimple invariant rather than just
9708         INTEGER_CST for VAL.
9709         (cleanup_control_flow): Cleanup a computed goto which has turned
9710         into a simple goto.
9711         (tree_merge_blocks): If block B has any forced labels, move
9712         them to the start of block A.
9713         * tree-ssa-dom.c (thread_across_edge): Allow threading across
9714         computed gotos as well.
9715         * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Handle
9716         removal of unnecessary computed gotos too.
9717         (lookup_redirection_data): Fix type of INSERT argument.  Callers
9718         updated.
9719
9720 2005-03-08  Kazu Hirata  <kazu@cs.umass.edu>
9721
9722         * tree-ssa-phiopt.c: Update copyright.  Fix indentations.
9723         Remove trailing spaces.
9724
9725         * gimplify.c (gimple_push_bind_expr, gimple_pop_bind_expr,
9726         unshare_all_trees): Make them static.
9727         * tree-gimple.h: Remove the corresponding prototypes.
9728
9729         * diagnostic.h: Remove unused prototype
9730         debug_output_buffer.
9731         * modulo-sched.c: Remove unused prototype
9732         set_row_column_for_ps.
9733
9734         * tree-ssa-phiopt.c (tree_ssa_phiopt,
9735         replace_phi_edge_with_variable): Remove unused variable i.
9736
9737 2005-03-07  Per Bothner  <per@bothner.com>
9738
9739         * tree.h (DECL_IS_BUILTIN): Reverted my patch from earlier today.
9740
9741 2005-03-06  Andrew Pinski  <pinskia@physics.uc.edu>
9742
9743         PR tree-opt/17671
9744         * tree-ssa-phiopt.c (tree_ssa_phiopt): Rewrite so we base the
9745         bbs on the COND_EXPR instead of the PHI_NODEs.
9746         (candidate_bb_for_phi_optimization): Remove.
9747         (replace_phi_with_stmt): Rename to ...
9748         (replace_phi_edge_with_variable): this and change so that we
9749         replace the phi argument instead of removing the PHI.
9750         (conditional_replacement): Change so we deal with PHI with more
9751         than two arguments.
9752         (value_replacement): Likewise.
9753         (abs_replacement): Likewise.
9754
9755 2005-03-07  Aldy Hernandez  <aldyh@redhat.com>
9756
9757         * config/rs6000/rs6000-protos.h: Rename output_e500_flip_eq_bit to
9758         output_e500_flip_gt_bit.
9759
9760         * config/rs6000/rs6000.c (print_operand): case D: Print out bit 31
9761         as bit 31.
9762         (rs6000_generate_compare): Fix logic to look at the correct bits.
9763         (output_e500_flip_eq_bit): Rename to output_e500_flip_gt_bit.
9764         Look at GT bit.
9765         (rs6000_emit_sCOND): Rename gen_e500_flip_eq_bit to
9766         gen_e500_flip_gt_bit.  Rename gen_move_from_CR_eq_bit to
9767         gen_move_from_CR_gt_bit.
9768
9769         * config/rs6000/rs6000.md ("move_from_CR_eq_bit"): Change bit
9770         ("move_from_CR_eq_bit"): Rename to move_from_CR_gt_bit.
9771         (UNSPEC_MV_CR_EQ): Rename to UNSPEC_MV_CR_GT.
9772
9773         * config/rs6000/spe.md ("e500_cr_ior_compare"): New.
9774         (E500_CR_IOR_COMPARE): New constant.
9775
9776 2005-03-08  Earl Chew <earl_chew@agilent.com>
9777             David Billinghurst <David.Billinghurst@riotinto.com>
9778
9779         * config/i386/host-cygwin.c: New file to support precompiled
9780         headers on cygwin
9781         * config/i386/x-cygwin: Use host-cygwin.c on cygwin host
9782         * config.host: Use above files for cygwin host.
9783
9784 2005-03-07  David Edelsohn  <edelsohn@gnu.org>
9785
9786         * fold-const.c (fold_binary_op_with_conditional_arg): Fix typo
9787         ordering ops from earlier change.
9788
9789 2005-03-07  Per Bothner  <per@bothner.com>
9790
9791         Various fixes to allow us to again build if --enable-mapped-location:
9792         * c-decl.c (finish_function): Use SET_EXPR_LOCATION instead of
9793         unavailable annotate_with_file_line, if USE_MAPPED_LOCATION.
9794         * tree-cfg.c (remove_bb): If USE_MAPPED_LOCATION, change type of
9795         local variable loc. Change logic appropriately.
9796         * tree-vect-transform.c (vect_finish_stmt_generation): Use
9797         EXPR_LOCATION rather than EXPR_LOCUS if USE_MAPPED_LOCATION.
9798         * c-parser.c (c_parser_for_statement): Initialize loc variable.
9799         * tree.h (DECL_IS_BUILTIN): Temporarily revert definition of
9800         DECL_IS_BUILTIN in the USE_MAPPED_LOCATION because of jc1 issues.
9801
9802 2005-03-07  Richard Sandiford  <rsandifo@redhat.com>
9803
9804         PR rtl-optimization/19683
9805         * reload1.c (choose_reload_regs): Pass the number of bits, not the
9806         number of bytes, to smallest_int_for_mode.  Fix arguments to
9807         REG_CANNOT_CHANGE_MODE_P.
9808
9809 2005-03-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
9810
9811         * reorg.c (relax_delay_slots): Check that the jump is
9812         conditional before trying to invert it.
9813
9814 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
9815
9816         * bb-reorder.c (max_entry_frequency, max_entry_frequency):
9817         Make them static.
9818
9819         * calls (stack_arg_under_construction): Make it static.
9820
9821         * flow.c (regs_live_at_setjmp): Make it static.
9822         * flow.h: Remove the corresponding prototype.
9823
9824         * reload1.c (reload_startobj, reload_firstobj,
9825         something_needs_operands_changed, reload_inherited,
9826         reload_inheritance_insn, reload_override_in,
9827         reload_spill_index): Make them static.
9828
9829         * recog.c (verify_changes): Make it static.
9830         * recog.h: Remove the corresponding prototype.
9831
9832         * cfgbuild.c (find_sub_basic_blocks): Remove.
9833         * basic-block.h: Remove the corresponding prototype.
9834         * cfgexpand.c, cfgrtl.c: Don't mention find_sub_basic_blocks
9835         in comments.
9836         * doc/cfg.texi: Don't mention find_sub_basic_blocks.
9837
9838         * tree-ssa-operands.c (check_build_stmt): Remove.
9839
9840         * stor-layout.c (set_alignment): Remove.
9841         * tree.h: Remove the corresponding prototype.
9842
9843         * tree-ssa-pre.c (has_abnormal_preds): Make it static.
9844
9845         * tree-ssa-dce.c (control_dependence_map,
9846         visited_control_parents): Make them static.
9847
9848         * cfghooks.c (verify_flow_info): Remove local variable
9849         num_bb_notes.
9850
9851         * cfgrtl.c (rtl_verify_flow_info_1): Remove local variable
9852         last_bb_seen.
9853
9854         * loop-unswitch.c (unswitch_loop): Remove local variable src.
9855
9856 2005-03-07  David Billinghurst <David.Billinghurst@riotinto.com>
9857
9858         * config/i386/cygwin1.c(mingw_scan): Use xstrdup in calls to putenv.
9859
9860 2005-03-07  Joseph S. Myers  <joseph@codesourcery.com>
9861
9862         * config/ia64/hpux.h (LINK_SPEC): Add -z.
9863         * config/ia64/ia64.c (ia64_function_value): Return a REG not a
9864         PARALLEL for an empty structure.
9865
9866 2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
9867
9868         * fold-const.c (fold_binary): Remove handling of RANGE_EXPR.
9869
9870         * fold-const.c (fold_binary): Unroll the very first "for"
9871         loop.
9872
9873 2005-03-06  David Edelsohn  <edelsohn@gnu.org>
9874
9875         * config/rs6000/predicates.md (branch_comparison_operator): Remove
9876         redundant match_code test.
9877         (scc_comparison_operator): Swap match_operand and match_code
9878         tests.
9879         (branch_positive_comparison_operator): Same.
9880         (trap_comparison_operator): Use comparison_operator and swap with
9881         match_code test.
9882
9883 2005-03-06  Marek Michalkiewicz  <marekm@amelek.gda.pl>
9884
9885         PR target/20288
9886         * config/avr/avr.c (print_operand): Add 'p' and 'r'.
9887         (out_movhi_r_mr): Read low byte of volatile MEM first.
9888         (out_movhi_mr_r): Write high byte of volatile MEM first.
9889
9890 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
9891
9892         * cselib.c (reg_values, reg_values_size): Make them static.
9893
9894         * cse.c (cse_reg_info_table): Make it static.
9895
9896         * fold-const.c (fold_unary): Use build1 instead of copy_node.
9897
9898 2005-03-06  Zdenek Dvorak  <dvorakz@suse.cz>
9899
9900         * cse.c (find_best_addr): Use canon_for_address.
9901
9902 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
9903
9904         * cse.c (fold_rtx_subreg, fold_rtx_mem): New.
9905         (fold_rtx): Call fold_rtx_subreg and fold_rtx_mem to handle
9906         SUBREG and MEM, respectively.
9907
9908         * fold-const.c (fold_binary): Use code instead of t.
9909
9910         * fold-const.c (optimize_minmax_comparison): Take decomposed
9911         arguments code, type, op0, and op1 instead of t.
9912         (fold_binary): Update a call to optimize_minmax_comparison.
9913
9914         * fold-const.c (fold_range_test): Take decomposed arguments
9915         code, type, op0, and op1 instead of t.
9916         (fold_binary): Update a call to fold_range_test.
9917
9918         * fold-const.c (fold_binary_op_with_conditional_arg): Take
9919         decomposed arguments code, type, op0, and op1 instead of t.
9920         (fold_binary): Update a call to fold_range_test.
9921
9922 2005-03-06  Kazu Hirata  <kazu@cs.umass.edu>
9923
9924         * fold-const.c (fold_binary): Avoid directly using the original
9925         expression t as much as possible.
9926
9927 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
9928
9929         * c-semantics.c (build_stmt): Use TYPE_P instead of
9930         IS_NON_TYPE_CODE_CLASS.
9931         * tree.h (IS_NON_TYPE_CODE_CLASS): Remove.
9932         (NON_TYPE_CHECK): Use TYPE_P instead of
9933         IS_NON_TYPE_CODE_CLASS.
9934
9935         * fold-const.c (fold): Remove handling of binary expressions.
9936
9937 2005-03-05  James A. Morrison  <phython@gcc.gnu.org>
9938
9939         * doc/c-tree.texi: Wrap comments in @r{}.
9940         * doc/cpp.texi: Likewise.
9941         * doc/cppinternals.texi: Likewise.
9942         * doc/extend.texi: Likewise.
9943         * doc/md.texi: Likewise.
9944         * doc/objc.texi: Likewise.
9945         * doc/sourcebuild.texi: Likewise.
9946         * doc/tm.texi: Likewise.
9947         * doc/tree-ssa.texi
9948
9949 2005-03-05  Kazu Hirata  <kazu@cs.umass.edu>
9950
9951         * predict.c (apply_return_prediction): Standardize PHI chain
9952         walking.
9953         * tree-ssa.c (ssa_redirect_edge): Likewise.
9954
9955         * genattrtab.c, genemit.c, genoutput.c, genrecog.c,
9956         gensupport.c, jump.c, tree-phinodes.c, unwind-dw2-fde-glibc.c:
9957         Update copyright.
9958
9959         * tree-phinodes.c (remove_phi_node): Drop the last argument.
9960         * tree-flow.h: Adjust the prototype for remove_phi_node.
9961         * lambda-code.c (perfect_nestify): Adjust a call to
9962         remove_phi_node.
9963         * tree-cfg.c
9964         (remove_phi_nodes_and_edges_for_unreachable_block): Likewise.
9965         * tree-outof-ssa.c (eliminate_virtual_phis, remove_ssa_form):
9966         Likewise.
9967         * tree-ssa-dce.c (remove_dead_phis): Likewise.
9968         * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
9969         * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
9970         * tree-ssa.c (kill_redundant_phi_nodes): Likewise.
9971
9972         * combine.c (simplify_and_const_int): Use gen_int_mode instead
9973         of GEN_INT (trunc_int_for_mode (...)).
9974         * loop-iv.c (iv_number_of_iterations): Likewise.
9975         * postreload.c (reload_cse_move2add): Likewise.
9976         * simplify-rtx.c (simplify_const_unary_operation,
9977         simplify_const_binary_operation): Likewise.
9978         * stor-layout.c (get_mode_bounds): Likewise.
9979
9980         * fold-const.c (fold_binary): New.
9981         (fold): Call fold_binary on binary expressions.
9982
9983 2005-03-05  Richard Sandiford  <rsandifo@redhat.com>
9984
9985         * doc/invoke.texi: Document new MIPS -msym32 and -mno-sym32 options.
9986         * config/mips/mips.h (MASK_SYM32, TARGET_SYM32): New macros.
9987         (TARGET_SWITCHES): Add -msym32 and -mno-sym32.
9988         (ABI_HAS_64BIT_SYMBOLS): Set to false if TARGET_SYM32.
9989         (ASM_SPEC): Pass down -msym32 and -mno-sym32.
9990
9991 2005-03-04  Devang Patel  <dpatel@apple.com>
9992
9993         PR tree-optimization/18815
9994         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
9995         loops with zero exit edges.
9996
9997 2005-03-04  Devang Patel  <dpatel@apple.com>
9998
9999         * doc/invoke.texi: Remove reference to webpage that does not exist.
10000
10001 2005-03-04  John David Anglin  <dave.danglin@nrc-cnrc.gc.ca>
10002             Joseph S. Myers  <joseph@codesourcery.com>
10003
10004         PR c++/19797
10005         * pa/elf.h, pa64-hpux.h, som.h (ASM_OUTPUT_EXTERNAL_REAL): Define.
10006         (ASM_OUTPUT_EXTERNAL): Call pa_hpux_asm_output_external.
10007         * pa-protos.h (pa_hpux_asm_output_external): Add prototype.
10008         * pa.c (get_plabel): Change argument to symbol_ref.  Call
10009         maybe_get_identifier instead of get_identifier.
10010         (pa_hpux_asm_output_external, pa_hpux_file_end): New functions.
10011         (struct deferred_plabel): Replace name field with symbol field.
10012         (TARGET_ASM_FILE_END): Define as pa_hpux_file_end if
10013         ASM_OUTPUT_EXTERNAL_REAL is defined.
10014         (output_global_address): Use output_addr_const for output of all
10015         symbol_refs.
10016         (output_deferred_plabels): Use symbol_ref instead of name for address
10017         output.
10018         * pa.h (SYMBOL_FLAG_REFERENCED, SYMBOL_REF_REFERENCED_P,
10019         ASM_OUTPUT_SYMBOL_REF): New macros.
10020         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Use assemble_name_raw.  Update
10021         comment.
10022         (ASM_WEAKEN_LABEL): Use targetm.asm_out.globalize_label to globalize
10023         label.
10024
10025 2005-03-05  Joseph S. Myers  <joseph@codesourcery.com>
10026
10027         * config.gcc (hppa*64*-*-hpux11*): Use pa/pa-hpux1111.h for
10028         *-*-hpux11.[1-9]*, not just for *-*-hpux11.11.
10029
10030 2005-03-04  Jeff Law  <law@redhat.com>
10031
10032         * basic-block.h (rediscover_loops_after_threading): Declare.
10033         * tree-ssa-dom.c: Include cfgloop.h.
10034         (tree_ssa_dominator_optimize): Discover loops and some basic
10035         properties.  Remove forwarder blocks recreated by loop header
10036         canonicalization.  Also mark backedges in the CFG.
10037         * tree-ssa-threadupdate.c: Include cfgloop.h
10038         (rediscover_loops_after_threading): Define.
10039         (struct local_info): New field, JUMP_THREADED.
10040         (prune_undesirable_thread_requests): New function.
10041         (redirect_edges): Clear EDGE_ABNORMAL.  If edges were threaded
10042         then record that fact for the callers of redirct_edges.
10043         (thread_block): If BB has incoming backedges, then call
10044         prune_undesirable_thraed_requests.    Note when we are
10045         going to have to rediscover loop information.  Return a
10046         boolean indicating if any jumps were threaded.
10047         (thread_through_all_blocks): Bubble up boolean indicating
10048         if any jumps were threaded.
10049         * Makefile.in (tree-ssa-dom.o): Depend on cfgloop.h
10050         (tree-ssa-threadupdate.o): Similarly.
10051
10052 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
10053
10054         * fold-const.c (fold_ternary): Unroll the "for" loop to
10055         extract operands.
10056
10057 2005-03-04  Andrew Haley  <aph@redhat.com>
10058
10059         * unwind-dw2-fde-glibc.c (struct
10060         unw_eh_callback_data.check_cache): New field.
10061         (frame_hdr_cache): New.
10062         (_Unwind_IteratePhdrCallback): Add ext_dl_phdr_info.
10063         Cache frame header info.
10064
10065 2005-03-04  Richard Sandiford  <rsandifo@redhat.com>
10066
10067         * rtl.h (copy_rtx_ptr_loc, print_rtx_ptr_loc, join_c_conditions)
10068         (print_c_condition): Declare.
10069         * read-rtl.c (ptr_loc): New structure.
10070         (ptr_locs, ptr_loc_obstack, joined_conditions)
10071         (joined_conditions_obstack): New variables.
10072         (leading_ptr_hash, leading_ptr_eq_p, set_rtx_ptr_loc)
10073         (get_rtx_ptr_loc, copy_rtx_ptr_loc, print_rtx_ptr_loc)
10074         (join_c_conditions, print_c_condition): New functions.
10075         (apply_macro_to_string): Associate the new string with the same
10076         source location as the old one.
10077         (add_condition_to_string): Use join_c_conditions.
10078         (read_string): Use set_rtx_ptr_loc to record a filename and line
10079         number for the string.
10080         (read_rtx): Initialize the new variables above.
10081         * genattrtab.c (write_test_expr, write_attr_value): Use
10082         print_c_condition.
10083         * genconditions.c (write_header): Don't define MAYBE_EVAL.  Move its
10084         comment above the GCC_VERSION check.
10085         (write_one_condition): Use print_rtx_ptr_loc and print_c_condition.
10086         Inline the definition of MAYBE_EVAL.
10087         * genemit.c (gen_expand, gen_split): Use print_rtx_ptr_loc.
10088         * genoutput.c (process_template): Likewise.
10089         * genpreds.c (write_predicate_subfunction): Likewise.
10090         (write_predicate_expr): Use print_c_condition.
10091         * genrecog.c (write_cond): Likewise.
10092         * gensupport.c (process_rtx): Use join_c_conditions to join the
10093         conditions of a define_insn_and_split.  Record a source location
10094         for the string after the "&&".
10095         (alter_test_for_insn): Use join_c_conditions.
10096
10097 2005-03-04  Andrew Pinski  <pinskia@physics.uc.edu>
10098
10099         Revert for now:
10100         2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
10101         PR tree-optimization/15784
10102         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
10103         and -1 - A to ~A.
10104
10105 2005-03-04  Ben Elliston  <bje@au.ibm.com>
10106
10107         * gcc.c (option_map): Add --coverage.
10108         (LINK_COMMAND_SPEC): Pass -lgcov for `coverage'.
10109         (cc1_options): Pass -fprofile-arcs -ftest-coverage for `coverage'.
10110         * config/darwin.h: Pass -lgcov for `coverage'.
10111         * doc/invoke.texi (Debugging Options): Document --coverage.
10112
10113 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
10114
10115         * gcse.c (bypass_block): Use find_edge wherever possible.
10116
10117 2005-03-03  Daniel Berlin <dberlin@dbrelin.org>
10118
10119         Fix PR debug/20253
10120
10121         * c-opts.c (c_common_parse_file): Call start_source_file
10122         and end_source_file at the approriate times.
10123
10124         * dwarf2out.c (dwarf2out_finish): Don't auto-end
10125         the main file, it will be done for us now.
10126
10127 2005-03-04  Kazu Hirata  <kazu@cs.umass.edu>
10128
10129         * fold-const.c (fold_ternary): New.
10130         (fold): Call fold_ternary on ternary expressions.  Remove
10131         handling of ternary expressions.
10132
10133 2005-03-03  James A. Morrison  <phython@gcc.gnu.org>
10134
10135         PR tree-optimization/15784
10136         * fold-const.c (fold): Fold ~A + 1 to -A.  Fold -A - 1
10137         and -1 - A to ~A.
10138
10139 2005-03-03  David Edelsohn  <edelsohn@gnu.org>
10140
10141         * config/rs6000/predicates.md (branch_comparison_operator):
10142         Convert from C block to conditional format.
10143
10144 2005-03-03  Jan Hubicka  <jh@suse.cz>
10145
10146         * tree-dfa.c (add_referenced_var): Don't walk initializer of external
10147         and non-constant public variables.
10148
10149 2005-03-03  Kazu Hirata  <kazu@cs.umass.edu>
10150
10151         * tree-cfg.c (stmt_starts_bb_p): Clean up by replacing code
10152         with LABEL_EXPR.
10153
10154         * cfgexpand.c (construct_exit_block): Use EDGE_PRED instead of
10155         EDGE_I.
10156
10157         * tree-phinodes.c (remove_phi_node): Clean up by factoring out
10158         calls to release_ssa_name and release_phi_node.
10159
10160         * fold-const.c (fold): Remove handling of unary expressions.
10161
10162         * fold-const.c (fold_unary): Avoid directly using the original
10163         expression t as much as possible.
10164
10165 2005-03-03  Roger Sayle  <roger@eyesopen.com>
10166             Andrew Pinski  <pinskia@physics.uc.edu>
10167
10168         * jump.c (redirect_exp_1): If nlabel is a NULL pointer create a
10169         RETURN rtx, and not a LABEL_REF containing a NULL pointer.
10170
10171 2005-03-03  Hans-Peter Nilsson  <hp@axis.com>
10172
10173         Describe special registers SRP and MOF as allocatable registers.
10174         * config/cris/cris.c (cris_md_asm_clobbers): New function.
10175         (TARGET_MD_ASM_CLOBBERS): Define to cris_md_asm_clobbers.
10176         (cris_conditional_register_usage): Enable CRIS_MOF_REGNUM if
10177         TARGET_HAS_MUL_INSNS.
10178         (cris_print_operand) <case 'd'>: New case.
10179         <case REG>: Allow CRIS_MOF_REGNUM and CRIS_SRP_REGNUM.
10180         * config/cris/cris.h (CRIS_PC_REGNUM, CRIS_SRP_REGNUM): Don't
10181         define.
10182         (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS)
10183         (REG_ALLOC_ORDER): Update for MOF.
10184         (enum reg_class): New members MOF_REGS, GENERAL_REGS and
10185         SPECIAL_REGS.
10186         (GENERAL_REGS): No longer a define of ALL_REGS.
10187         (REGNO_REG_CLASS, REG_CLASS_CONTENTS, REG_CLASS_NAMES)
10188         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
10189         Adjust accordingly.
10190         (CRIS_SPECIAL_REGS_CONTENTS): New macro.
10191         (REG_CLASS_FROM_LETTER): Allocate 'h' and 'x'.
10192         (SECONDARY_RELOAD_CLASS): Define.
10193         (STACK_POINTER_REGNUM): Define as CRIS_SP_REGNUM.
10194         (FRAME_POINTER_REGNUM): Define as CRIS_FP_REGNUM.
10195         (ARG_POINTER_REGNUM): Define as CRIS_AP_REGNUM.
10196         (STATIC_CHAIN_REGNUM): Define as CRIS_STATIC_CHAIN_REGNUM.
10197         (REGISTER_MOVE_COST): Define.
10198         (PIC_OFFSET_TABLE_REGNUM): Define in terms of CRIS_GOT_REGNUM.
10199         * config/cris/cris.md (CRIS_GOT_REGNUM, CRIS_STATIC_CHAIN_REGNUM)
10200         (CRIS_FP_REGNUM, CRIS_SP_REGNUM, CRIS_SRP_REGNUM, CRIS_AP_REGNUM)
10201         (CRIS_MOF_REGNUM): New define_constants.
10202         ("*movsi_internal", "movhi", "movqi", "movsf"): Add alternatives for
10203         special registers.
10204         ("reload_inhi", "reload_outhi", "reload_inqi", "reload_outqi"):
10205         New patterns.
10206         ("umulhisi3", "umulqihi3", "mulsi3", "mulqihi3", "mulhisi3")
10207         ("mulsidi3", "umulsidi3", "smulsi3_highpart", "umulsi3_highpart"):
10208         Adjust for MOF being properly described as a register.
10209         (indir_to_reg_split): Name this split.  Conditionalize on the
10210         destination register being a general register.
10211         (movei): Conditionalize on on operands 0 and 1 having the same
10212         register class.
10213
10214 2005-03-03  Alan Modra  <amodra@bigpond.net.au>
10215
10216         PR target/20277
10217         * config/rs6000/rs6000.c (rs6000_override_options): Don't allow
10218         -mcpu to override any other explicitly given flags.
10219
10220 2005-03-02  J"orn Rennecke <joern.rennecke@st.com>
10221
10222         * recog.c (verify_changes, confirm_change_group): New functions,
10223         broken out of apply_change_group.
10224         (apply_change_group): Use them.
10225         * recog.h (verify_change, confirm_change_group): Declare.
10226         * rtl.h (redirect_jump_2): Declare.
10227         * jump.c (redirect_exp, invert_exp): Delete.
10228         (invert_exp_1): Take second parameter.  Return value.  Changed caller.
10229         (redirect_jump_2): New function, broken out of redirect_jump.
10230         (redirect_jump): Use redirect_jump_1 and redirect_jump_2.
10231         (invert_jump): Use invert_jump_1 and redirect_jump_2.
10232         * ifcvt.c (dead_or_predicable): Use redirect_jump_2.
10233
10234 2005-03-02  Geoffrey Keating  <geoffk@apple.com>
10235
10236         * varasm.c (named_section): Use xstrdup rather than doing it by
10237         hand.
10238
10239         * config/darwin8.h (LIB_SPEC): Switch -lmx and -lSystem.
10240
10241 2005-03-02  Devang Patel  <dpatel@apple.com>
10242
10243         Undo PR tree-optimization/18815 fix.
10244
10245 2005-03-02  Devang Patel  <dpatel@apple.com>
10246
10247         PR tree-optimization/18815
10248         * tree-if-conv.c (combine_blocks): Adjust loop header edges for
10249         loops with zero exit edges.
10250
10251 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
10252
10253         * cfg.c (connect_src, connect_dest, disconnect_src,
10254         disconnct_dest): New.
10255         (unchecked_make_edge, remove_edge, redirect_edge_succ,
10256         redirect_edge_pred): Use the new functions.
10257
10258         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Call
10259         free_dominance_info only when needed.
10260
10261 2005-03-02  David Edelsohn  <edelsohn@gnu.org>
10262
10263         PR target/20276
10264         * config/rs6000/predicates.md (reg_or_cint64_operand): Fix typo.
10265         (reg_or_sub_cint64_operand): Same.
10266
10267 2005-03-02  Jeff Law  <law@redhat.com>
10268
10269         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Fix setting of
10270         CFG_ALTERED in the main DOM iteration loop.
10271
10272 2005-03-02  Mark Mitchell  <mark@codesourcery.com>
10273
10274         PR c++/19916
10275         * varasm.c (initializer_constant_valid_p): Allow conversions
10276         between OFFSET_TYPEs.  Tidy.
10277
10278 2005-03-02  Hans-Peter Nilsson  <hp@axis.com>
10279
10280         * config/cris/cris.md ("return"): Remove epilogue delay list
10281         sanity check.
10282
10283 2005-03-02  Daniel Jacobowitz  <dan@codesourcery.com>
10284
10285         * config/arm/linux-elf.h (ARM_FUNCTION_PROFILER): Do not use (PLT)
10286         for Thumb.
10287         * config/arm/netbsd-elf.h (ARM_FUNCTION_PROFILER): Likewise.
10288
10289 2005-03-02  Kazu Hirata  <kazu@cs.umass.edu>
10290
10291         * cfgloop.h, cfgloopanal.c, cfgloopmanip.c, conflict.c,
10292         loop-init.c, loop-unroll.c, print-tree.c, reg-notes.def,
10293         config/m68k/m68k.c, config/mips/mips.h,
10294         config/rs6000/rs6000-protos.h, doc/contrib.texi,
10295         doc/include/gcc-common.texi: Update copyright.
10296
10297         PR middle-end/18029 and PR middle-end/18030
10298         * expr.c (optimize_bitfield_assignment_op): Add a special case
10299         to handle BIT_IOR_EXPR and BIT_XOR_EXPR.
10300
10301         * fold-const.c (fold_unary): New.
10302         (fold): Call fold_unary on unary expressions.
10303
10304 2005-03-02  Richard Guenther  <rguenth@gcc.gnu.org>
10305
10306         * cgraph.h (struct cgraph_edge): Add prev_caller and
10307         prev_callee fields.
10308         (cgraph_node_remove_callees): Export.
10309         * cgraph.c (cgraph_create_edge): Initialize prev_caller
10310         and prev_callee.
10311         (cgraph_edge_remove_callee): New function.
10312         (cgraph_edge_remove_caller): Likewise.
10313         (cgraph_remove_edge): Use.
10314         (cgraph_redirect_edge_callee): Likewise.
10315         (cgraph_node_remove_callees): New function.
10316         (cgraph_node_remove_callers): Likewise.
10317         (cgraph_remove_node): Use.
10318         * tree-optimize.c (tree_rest_of_compilation): Use
10319         cgraph_node_remove_callees instead of manual loop.
10320         * cgraphunit.c (cgraph_finalize_function): Likewise.
10321         (cgraph_expand_function): Likewise.
10322         (cgraph_remove_unreachable_nodes): Likewise.
10323
10324 2005-03-02  Joseph S. Myers  <joseph@codesourcery.com>
10325
10326         PR c/8927
10327         * c-tree.h (undeclared_variable, build_external_ref): Add extra
10328         argument.
10329         * c-decl.c (undeclared_variable): Take location as argument.
10330         * c-typeck.c (build_external_ref): Likewise.
10331         * c-parser.c (c_parser_postfix_expression): Pass location of
10332         identifier to build_external_ref.
10333
10334 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
10335
10336         * config/rs6000/rs6000.md (cceq splitter): Use operand mode, not
10337         CCEQ mode for branch_positive_comparison_operator test.
10338         * config/rs6000/predicates (branch_comparison_operator): Revert to
10339         define_predicate.
10340         (scc_comparison_operator): Same.
10341         (branch_positive_comparison_operator): Same.
10342
10343 2005-03-01  Hans-Peter Nilsson  <hp@axis.com>
10344
10345         * config/cris/cris.c (cris_eligible_for_epilogue_delay)
10346         (cris_delay_slots_for_epilogue): Remove.
10347         (save_last): Move into cris_target_asm_function_epilogue.
10348         (cris_target_asm_function_epilogue): Remove tests for file being
10349         NULL.
10350         * config/cris/cris-protos.h (cris_eligible_for_epilogue_delay)
10351         (cris_delay_slots_for_epilogue): Remove prototypes.
10352         * config/cris/cris.h (DELAY_SLOTS_FOR_EPILOGUE)
10353         (ELIGIBLE_FOR_EPILOGUE_DELAY): Do not define.
10354
10355 2005-03-01  David Edelsohn  <edelsohn@gnu.org>
10356
10357         * config/rs6000/predicates.md (branch_comparison_operator): Change
10358         to define_special_predicate.
10359         (scc_comparison_operator): Same.
10360         (branch_positive_comparison_operator): Same.
10361
10362 2005-03-01  Daniel Berlin <dberlin@dberlin.org>
10363
10364         * Makefile.in (tree-ssa-sink.o): New.
10365         (OBJS-common): Add tree-ssa-sink.o.
10366         * common.opt: Add -ftree-sink
10367         * opts.c (decode_options): flag_tree_sink is set at O1 or higher.
10368         * timevar.def (TV_TREE_SINK): new timevar.
10369         * tree-flow.h (is_hidden_global_store): Prototype.
10370         * tree-optimize.c (init_tree_optimization_passes): Add
10371         pass_sink_code.
10372         * tree-pass.h (pass_sink_code): New.
10373         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Move checking
10374         for non-obvious global store store to is_hidden_global_store, and
10375         call that new function.
10376         * tree-ssa-sink.c: New file.
10377         * doc/invoke.texi: Document -fdump-tree-sink and -ftree-sink.
10378         * doc/passes.texi: Document forward store motion.
10379         * testsuite/gcc.dg/tree-ssa/ssa-sink-1.c: New test
10380         * testsuite/gcc.dg/tree-ssa/ssa-sink-2.c: New test
10381         * testsuite/gcc.dg/tree-ssa/ssa-sink-3.c: New test
10382         * testsuite/gcc.dg/tree-ssa/ssa-sink-4.c: New test
10383
10384 2005-03-01  Per Bothner  <per@bothner.com>
10385
10386         * diagnostic.c (diagnostic_build_prefix): If USE_MAPPED_LOCATION
10387         and we have a non-zero column-number, add it to the message.
10388         Also factor out the diagnostic_kind_text.
10389
10390 2005-03-01  Zdenek Dvorak  <dvorakz@suse.cz>
10391
10392         * cfgloop.c (flow_loop_entry_edges_find, flow_loop_exit_edges_find,
10393         flow_loop_pre_header_scan, flow_loop_pre_header_find,
10394         flow_loop_scan): Removed.
10395         (flow_loop_dump): Do not dump removed fields.
10396         (flow_loop_free): Do not free removed fields.
10397         (flow_loops_find): Flags argument removed.  Do not call flow_loop_scan.
10398         (loop_exit_edge_p): New function.
10399         * cfgloop.h (struct loop): Removed fields pre_header, pre_header_edges,
10400         num_pre_header_edges, entry_edges, num_entries, exit_edges,
10401         num_exits, exits_doms.
10402         (LOOP_TREE, LOOP_PRE_HEADER, LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES,
10403         LOOP_EDGES, LOOP_ALL): Removed.
10404         (flow_loop_scan): Declaration removed.
10405         (loop_exit_edge_p, mark_loop_exit_edges): Declare.
10406         * cfgloopmanip.c (create_loop_notes): Do not pass flags to
10407         flow_loops_find.
10408         * ifcvt.c (mark_loop_exit_edges): Moved to cfgloopanal.c.
10409         (if_convert): Call flow_loops_find and flow_loops_free
10410         when calling mark_loop_exit_edges.
10411         * cfgloopanal.c (mark_loop_exit_edges): Moved from
10412         ifcvt.c.  Removed the flow_loops_find, flow_loops_free and
10413         free_dominance_info calls.
10414         * loop-init.c (flow_loops_find): Ditto.
10415         * passes.c (rest_of_handle_branch_prob): Ditto.
10416         * lambda-code.c (perfect_nestify): Do not call flow_loops_find.
10417         * loop-unroll.c (analyze_insns_in_loop): Do not use
10418         EDGE_LOOP_EXIT.
10419         * predict.c (predict_loops): Do not call flow_loop_scan.
10420         Use get_loop_exit_edges.
10421         (tree_estimate_probability): Do not pass flags to flow_loops_find.
10422         * tree-if-conv.c (bb_with_exit_edge_p): Take loop as argument.
10423         Do not use EDGE_LOOP_EXIT.
10424         (tree_if_convert_cond_expr, if_convertible_modify_expr_p): Pass loop
10425         to bb_with_exit_edge_p.
10426         (if_convertible_loop_p): Do not call flow_loop_scan.  Use
10427         loop->single_exit.  Do not use EDGE_LOOP_EXIT.  Pass loop
10428         to bb_with_exit_edge_p.
10429         (combine_blocks): Pass loop to bb_with_exit_edge_p.  Do not use
10430         EDGE_LOOP_EXIT.
10431         * tree-loop-linear.c (linear_transform_loops): Do not call
10432         flow_loop_scan.  Use loop->single_exit.
10433         * tree-vect-analyze.c (vect_analyze_operations): Use loop->single_exit.
10434         (vect_analyze_loop_form): Do not call flow_loop_scan.
10435         * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Use
10436         loop->single_exit.
10437         (vect_do_peeling_for_loop_bound): Use loop_preheader_edge and
10438         loop->single_exit.
10439         * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
10440         slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
10441         slpeel_tree_duplicate_loop_to_edge_cfg,
10442         slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
10443         Use loop_preheader_edge and loop->single_exit.  Do not call
10444         flow_loop_scan.
10445
10446 2005-03-01  Nick Clifton  <nickc@redhat.com>
10447
10448         * config/arm/arm.c (thumb_find_work_register): Check all of the
10449         argument registers to see if they are free, and a couple of
10450         special cases where the last argument register but can be proved
10451         to be available during the function's prologue.
10452         (print_multi_reg, arm_compute_save_reg0_reg12_mask,
10453         output_return_instruction, emit_multi_reg_push, thumb_pushpop,
10454         thumb_unexpanded_epilogue): Use unsigned long as the type for the
10455         register bit-mask.
10456         (thumb_compute_save_reg_mask): Likewise.  Also use
10457         thumb_find_work_register() to ensure that there is agreement about
10458         which work register is going to be used in the prologue.
10459         (thumb_output_function_prologue): Use unsigned long as the type
10460         for the register bit-mask.  Also delay pushing the link register if
10461         other high registers are going to be pushed.
10462         (thumb_compute_save_reg_mask, emit_multi_reg_push,
10463         print_multi-reg, number_of_first_bit_set, thumb_pushpop): Remove
10464         redundant prototypes.
10465
10466 2005-02-28  John David Anglin  <dave.anglin#nrc-cnrc.gc.ca>
10467
10468         PR target/19819
10469         * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow allow hard registers during
10470         and after reload in REG+REG indexed addresses without REG_POINTER
10471         set in the base and not set in the index.
10472
10473 2005-02-28  Kaz Kojima  <kkojima@gcc.gnu.org>
10474
10475         * config/sh/linux.h (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX):
10476         Don't undefine here.
10477         (HANDLE_PRAGMA_PACK_PUSH_POP): Delete.
10478         (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC): Likewise.
10479         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
10480         (LIB_SPEC, LINK_EH_SPEC, STARTFILE_SPEC, ENDFILE_SPEC,
10481         LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED, TARGET_C99_FUNCTIONS):
10482         Delete.
10483         * config.gcc (sh*-*-linux*): Use config/linux.h.
10484
10485 2005-02-28  Dale Johannesen  <dalej@apple.com>
10486             Stan Shebs  <shebs@apple.com>
10487
10488         Rewrite of 64-bit Darwin structure-by-value pass/return.
10489         * config/rs6000/rs6000.h (CUMULATIVE_ARGS): New fields
10490         intoffset, use_stack, named.
10491         * config/rs6000/rs6000.c (rs6000_darwin64_function_arg):  Remove.
10492         (rs6000_darwin64_record_arg_advance_flush):  New.
10493         (rs6000_darwin64_record_arg_advance_recurse): New.
10494         (rs6000_darwin64_record_arg_flush):  New.
10495         (rs6000_darwin64_record_arg_recurse):  New.
10496         (rs6000_darwin64_record_arg):  New.
10497         (rs6000_return_in_memory):  Remove AGGREGATE_TYPE_P check.
10498         (function_arg_boundary):  Handle 128-bit aligned structs.
10499         (function_arg_advance):  Rewrite darwin64 struct handling.
10500         (function_arg):  Call rs6000_darwin64_record_arg.
10501         (function_arg_partial_nregs):  Handle darwin64 structs.
10502         (rs6000_darwin64_function_value):  Remove.
10503         (rs6000_function_value):  Call rs6000_darwin64_record_arg.
10504
10505 2005-02-28  Roger Sayle  <roger@eyesopen.com>
10506
10507         PR tree-optimization/20216
10508         * tree-chrec.c (tree_fold_factorial): Delete.
10509         (tree_fold_binomial): Change argument list to take a return type
10510         and change the type of K to unsigned int.  Rewrite to avoid explicit
10511         evaluation of factorials, and (recursively) calling fold to perform
10512         compile-time arithmetic.  Return NULL on (internal) overflow.
10513         (chrec_evaluate): Change type of K to an unsigned int.  Avoid
10514         calling tree_fold_binomial unnecessarily.  Return chrec_dont_know
10515         if any intermediate calculation overflows.
10516         (chrec_apply): Update call to chrec_evaluate.
10517
10518 2005-02-28  James E Wilson  <wilson@specifixinc.com>
10519
10520         * config/mips/mips.h (NO_PROFILE_COUNTERS): Define.
10521
10522 2005-02-28  Joseph S. Myers  <joseph@codesourcery.com>
10523
10524         PR c/20245
10525         * c-parser.c (c_parser_compound_statement): Return error_mark_node
10526         instead of NULL_TREE on error.
10527
10528 2005-02-28  David Edelsohn  <edelsohn@gnu.org>
10529
10530         * config/rs6000/rs6000.c (EASY_VECTOR_15): Remove.
10531         (EASY_VECTOR_15_ADD_SELF): Remove.
10532         (num_insns_constant_wide): Not static.
10533         (validate_condition_mode): Not static.
10534         (toc_relative_expr_p): Not static.
10535         (legitimate_indirect_address_p): Not static.
10536         (macho_lo_sum_memory_operand): Not static.
10537         (invalid_e500_subreg): Not static.
10538         (easy_vector_same): Not static.
10539         (easy_vector_splat_const): Not static.
10540         (RS6000_SYMBOL_REF_TLS_P): Remove.
10541         (any_operand): Delete.
10542         (any_parallel_operand): Delete.
10543         (count_register_operand): Delete.
10544         (altivec_register_operand): Delete.
10545         (xer_operand): Delete.
10546         (s8bit_cint_operand): Delete.
10547         (short_cint_operand): Delete.
10548         (u_short_cint_operand): Delete.
10549         (non_short_cint_operand): Delete.
10550         (exact_log2_cint_operand): Delete.
10551         (gpc_reg_operand): Delete.
10552         (cc_reg_operand): Delete.
10553         (cc_reg_not_cr0_operand): Delete.
10554         (reg_or_short_operand): Delete.
10555         (reg_or_neg_short_operand): Delete.
10556         (reg_or_aligned_short_operand): Delete.
10557         (reg_or_u_short_operand): Delete.
10558         (reg_or_cint_operand): Delete.
10559         (reg_or_arith_cint_operand): Delete.
10560         (reg_or_add_cint64_operand): Delete.
10561         (reg_or_sub_cint64_operand): Delete.
10562         (reg_or_logical_cint_operand): Delete.
10563         (got_operand): Delete.
10564         (got_no_const_operand): Delete.
10565         (easy_fp_constant): Delete.
10566         (easy_vector_constant): Delete.
10567         (easy_vector_constant_add_self): Delete.
10568         (zero_constant): Delete.
10569         (zero_fp_constant): Delete.
10570         (volatile_mem_operand): Delete.
10571         (offsettable_mem_operand): Delete.
10572         (mem_or_easy_const_operand): Delete.
10573         (add_operand): Delete.
10574         (non_add_cint_operand): Delete.
10575         (logical_operand): Delete.
10576         (non_logical_cint_operand): Delete.
10577         (mask_operand): Delete.
10578         (mask_operand_wrap): Delete.
10579         (mask64_operand): Delete.
10580         (mask64_2_operand): Delete.
10581         (and64_operand): Delete.
10582         (and64_2_operand): Delete.
10583         (and_operand): Delete.
10584         (reg_or_mem_operand): Delete.
10585         (lwa_operand): Delete.
10586         (symbol_ref_operand): Delete.
10587         (call_operand): Delete.
10588         (current_file_function_operand): Delete.
10589         (input_operand): Delete.
10590         (rs6000_nonimmediate_operand): Delete.
10591         (rs6000_tls_symbol_ref): Delete.
10592         (save_world_operation): Delete.
10593         (restore_world_operation): Delete.
10594         (load_multiple_operation): Delete.
10595         (store_multiple_operation): Delete.
10596         (vrsave_operation): Delete.
10597         (mfcr_operation): Delete.
10598         (mtcrf_operation): Delete.
10599         (lmw_operation): Delete.
10600         (stmw_operation): Delete.
10601         (branch_comparison_operator): Delete.
10602         (branch_positive_comparison_operator): Delete.
10603         (scc_comparison_operator): Delete.
10604         (trap_comparison_operator): Delete.
10605         (boolean_operator): Delete.
10606         (boolean_or_operator): Delete.
10607         (min_max_operator): Delete.
10608         * config/rs6000/rs6000.h (RS6000_SYMBOL_REF_TLS_P): Move to here.
10609         (EASY_VECTOR_15): Moved to here.
10610         (EASY_VECTOR_15_ADD_SELF): Move to here.
10611         (PREDICATE_CODES): Delete.
10612         * config/rs6000/rs6000-protos.h: Delete predicate functions.
10613         Declare functions no longer static.
10614         * config/rs6000/predicates.md: New.
10615         * config/rs6000/rs6000.md: Include predicates.md
10616
10617 2005-02-28  Kazu Hirata  <kazu@cs.umass.edu>
10618
10619         * calls.c (emit_call_1): Don't use  REG_ALWAYS_RETURN.
10620         (emit_library_call_value_1): Don't use LCT_ALWAYS_RETURN and
10621         REG_ALWAYS_RETURN.
10622         * cfgrtl.c (need_fake_edge_p): Likewise.
10623         * combine.c (distribute_notes): Likewise.
10624         * emit-rtl.c (try_split): Likewise.
10625         * recog.c (peephole2_opimize): Likewise.
10626         * reg-notes.def (ALWAYS_RETURN): Remove.
10627         * rtl.h (LCT_ALWAYS_RETURN): Remove.
10628         * tree-cfg.c (need_fake_edge_p): Don't use ECF_ALWAYS_RETURN.
10629         * tree.h (ECF_ALWAYS_RETURN): Remove.
10630
10631 2005-02-28  Roger Sayle  <roger@eyesopen.com>
10632
10633         PR middle-end/19874
10634         * tree-ssa.c (tree_ssa_useless_type_conversion_1): A conversion
10635         between different machine modes is never a "useless" conversion.
10636
10637 2005-02-28  Geert Bosch  <bosch@gnat.com>
10638
10639         PR ada/15977
10640         * doc/contrib.texi: List contributors for Ada front end
10641
10642 2005-02-28 Paolo Bonzini <bonzini@gnu.org>
10643
10644         * simplify-rtx.c (simplify_unary_operation_1,
10645         simplify_const_unary_operation): New, extracted from...
10646         (simplify_unary_operation): ... this one.
10647         (simplify_binary_operation_1,
10648         simplify_const_binary_operation): New, extracted from...
10649         (simplify_binary_operation): ... this one.
10650         * rtl.h (simplify_const_unary_operation,
10651         simplify_const_binary_operation): Add prototypes.
10652
10653 2005-02-28  Julian Brown  <julian@codesourcery.com>
10654
10655         * config/elfos.h: Revert my patch from 2005-02-25 since it broke
10656         building libjava and caused PR regression/20228.
10657
10658 2005-02-28  Paolo Bonzini  <bonzini@gnu.org>
10659
10660         PR bootstrap/17383
10661         * Makefile.in (host_subdir): New.
10662         (build_objdir): New.  Replace ../$(build_subdir) with it throughout.
10663         * configure: Regenerate.
10664
10665 2005-02-27  Zack Weinberg  <zack@codesourcery.com>
10666
10667         * config/alpha/t-osf4, config/arm/t-netbsd, config/ia64/t-hpux
10668         * config/pa/t-hpux-shlib (SHLIB_INSTALL): Create the
10669         installation directory first.
10670
10671 2005-02-28  Hans-Peter Nilsson  <hp@axis.com>
10672
10673         PR target/19065.
10674         * config/cris/cris.h (EXTRA_CONSTRAINT_Q): Accept only (mem (reg)),
10675         not including (reg). Do not check for reg being CRIS_PC_REGNUM.
10676         (EXTRA_MEMORY_CONSTRAINT): Define as 'Q'.
10677         * config/cris/cris.md: Tweak comments referring to Q.
10678         ("cmpsi", "cmphi", "cmpqi", "*movsi_internal", "movhi")
10679         ("movstricthi", "movqi", "movstrictqi", "movsf", "addsi3")
10680         ("addhi3", "addqi3", "subsi3", "subhi3", "subqi3")
10681         ("*expanded_andsi", "*expanded_andhi", "*andhi_lowpart", "andqi3")
10682         ("*andqi_lowpart", "iorsi3", "iorhi3", "iorqi3", "uminsi3"):
10683         Insert spaces in constraints to align alternatives vertically for
10684         readability.
10685         ("cmphi"): Ditto.  Add separate alternative for operand 0 "r",
10686         operand 1: "M".
10687
10688 2005-02-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10689
10690         PR rtl-optimization/17728
10691         * pa.md (mulsi3, divsi3, udivsi3, modsi3): Change predicate for
10692         operand 0 from general_operand to move_dest_operand.
10693
10694 2005-02-26  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10695
10696         * pa/elf.h, pa/som.h (ASM_OUTPUT_EXTERNAL): Use assemble_name_raw
10697         instead of trying to save and restore TREE_SYMBOL_REFERENCED.
10698         * pa/pa64-hpux.h (ASM_OUTPUT_TYPE_DIRECTIVE): Define.
10699         (ASM_OUTPUT_EXTERNAL): Don't save and restore TREE_SYMBOL_REFERENCED.
10700
10701 2005-02-26  Nathanael Nerode  <neroden@gcc.gnu.org>
10702
10703         * configure.ac: Rename cc_for_cross_gnattools to host_cc_for_libada.
10704         * configure: Regenerate.
10705         * libada-mk.in: Remove CC; rename
10706         cc_for_cross_gnattools / cc_set_by_configure to host_cc_for_libada.
10707
10708 2005-02-26  Andrew Pinski  <pinskia@physics.uc.edu>
10709
10710         PR tree-opt/20188
10711         * tree-ssa-alias.c (count_uses_and_derefs): If we have TREE_LIST
10712         for the lhs, also walk over the tree.  Likewise for rhs.
10713
10714 2005-02-26  Zdenek Dvorak  <dvorakz@suse.cz>
10715
10716         * tree-ssa-dom.c (simple_iv_increment_p): New function.
10717         (simplify_rhs_and_lookup_avail_expr, eliminate_redundant_computations):
10718         Do not propagate value of iv before increment over the increment.
10719
10720 2005-02-25  Joseph S. Myers  <joseph@codesourcery.com>
10721
10722         * c-parser.c: New file.
10723         * c-parse.in: Remove.
10724         * Makefile.in (c-parse.o-warn, c-parse.o, c-parse.c, c-parse.y):
10725         Remove.
10726         (c-parser.o): Add dependencies.
10727         (C_AND_OBJC_OBJC, C_OBJS, gcc.srcextra, GTFILES, distclean,
10728         maintainer-clean, TAGS): Update.
10729         * c-config-lang.in (gtfiles): Update.
10730         * gengtype-lex.l: Don't handle "@@".
10731         * stub-objc.c (objc_get_class_ivars, objc_build_throw_stmt,
10732         objc_build_synchronized, objc_begin_try_stmt,
10733         objc_begin_catch_clause, objc_finish_catch_clause,
10734         objc_build_finally_clause, objc_finish_try_stmt): New.
10735         * c-tree.h (struct c_declspecs): Add declspecs_seen_p and
10736         type_seen_p.
10737         (c_parse_init): Update comment.
10738         * c-decl.c (c_init_decl_processing): Update comment.
10739         (build_null_declspecs, declspecs_add_qual, declspecs_add_type,
10740         declspecs_add_scspec, declspecs_add_attrs): Initialize and update
10741         new c_declspecs members.
10742
10743 2005-02-25  Julian Brown  <julian@codesourcery.com>
10744
10745         * config/elfos.h (MAKE_DECL_ONE_ONLY): Redefined to stop DECL_WEAK
10746         from being used for symbols with vague linkage when
10747         HAVE_GAS_COMDAT_GROUP is true.
10748
10749 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
10750
10751         * doc/include/gcc-common.texi (version-GCC): Update to 4.1.
10752
10753 2005-02-25  Steve Ellcey  <sje@cup.hp.com>
10754
10755         PR target/19930
10756         * doc/tm.texi (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Document.
10757         (LIBGCC2_HAS_DF_MODE): New.
10758         (LIBGCC2_HAS_XF_MODE): New.
10759         (LIBGCC2_HAS_TF_MODE): New.
10760         * libgcc2.h (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
10761         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
10762         * libgcc2.c (LIBGCC2_HAS_XF_MODE): New name for HAVE_XFMODE.
10763         (LIBGCC2_HAS_TF_MODE): New name for HAVE_TFMODE.
10764         (LIBGCC2_HAS_DF_MODE): New name for HAVE_DFMODE.
10765         * config/ia64/t-ia64 (LIB1ASMFUNCS): Remove __compat
10766         and add _fixtfdi, _fixunstfdi, _floatditf
10767         * lib1funcs.asm: Remove L__compat. Add L_fixtfdi,
10768         L_fixunstfdi, L_floatditf.
10769         * config/ia64/hpux.h (LIBGCC2_HAS_XF_MODE): Define.
10770         (LIBGCC2_HAS_TF_MODE): Define.
10771
10772 2005-02-25  Diego Novillo  <dnovillo@redhat.com>
10773
10774         PR tree-optimization/20204
10775         * tree-into-ssa.c (insert_phi_nodes_for): Do not use
10776         REWRITE_THIS_STMT markers on PHI nodes.
10777         (rewrite_initialize_block): Likewise.
10778
10779 2005-02-25  Mark Mitchell  <mark@codesourcery.com>
10780
10781         * version.c (version_string): Update to 4.1.
10782
10783 2005-02-25  Paolo Carlini  <pcarlini@suse.de>
10784
10785         * doc/extend.texi (5.24 Declaring Attributes of Functions)<noreturn>:
10786         Clarify that the alternative way doesn't work in GNU C++.
10787
10788 2005-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
10789
10790         PR tree-optimization/19937
10791         * tree-ssa-loop-ivopts.c (rewrite_use_compare): Cast the final value
10792         to the type of the induction variable.
10793
10794 2005-02-25  Kaz Kojima  <kkojima@gcc.gnu.org>
10795
10796         PR rtl-optimization/20117
10797         * bb-reorder.c (duplicate_computed_gotos): Don't duplicate
10798         the block including noncopyable insn.
10799
10800 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
10801
10802         * cse.c (delete_trivially_dead_insns): Speed up by minimizing
10803         calls to find_reg_note.
10804
10805 2005-02-24  Richard Henderson  <rth@redhat.com>
10806
10807         PR tree-opt/20127
10808         * tree-sra.c (instantiate_element): Copy TREE_THIS_VOLATILE from
10809         the type.
10810
10811 2005-02-24  Fariborz Jahanian <fjahanian@apple.com>
10812
10813         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Check for
10814         vector types if to use base reg for misaligned non-word ld/std.
10815
10816 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
10817
10818         PR target/14619
10819         * config/cris/cris.c (cris_target_asm_function_prologue): Create
10820         dwarf2 label manually and put it after, not before the prologue.
10821
10822 2005-02-24  David Edelsohn  <edelsohn@gnu.org>
10823
10824         PR target/19019
10825         * reload.c (operands_match_p): Only increment register number for
10826         SCALAR_INT_MODE_P modes in multiple hard registers.
10827
10828         * config/rs6000/rs6000.md (trunctfdf2): Remove register constraints.
10829         Fix formatting.
10830
10831 2005-02-24  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10832
10833         * ChangeLog.5: Fix log message typo(s).
10834         * ChangeLog.7: Likewise.
10835         * ChangeLog.tree-ssa: Likewise.
10836         * cfgexpand.c: Fix comment typo(s).
10837         * conflict.c: Likewise.
10838         * defaults.h: Likewise.
10839         * dwarf2out.c: Likewise.
10840         * gcse.c: Likewise.
10841         * ggc-page.c: Likewise.
10842         * tree-eh.c: Likewise.
10843         * tree-ssa-dom.c: Likewise.
10844
10845 2005-02-24  Jakub Jelinek  <jakub@redhat.com>
10846
10847         PR target/19019
10848         * mklibgcc.in: Pass -DSHARED when compiling all *_s${objext} objects.
10849         * config/rs6000/darwin-ldouble.c: Only use the .symver directives
10850         if SHARED is defined.
10851
10852         PR target/20196
10853         * config/rs6000/rs6000.md (LTU, GTU sCC splitters): Add earlyclobber,
10854         allow splitting only if operands 0 and 3 don't overlap.
10855
10856 2005-02-24  Richard Henderson  <rth@redhat.com>
10857
10858         PR middle-end/19953
10859         * builtins.c (fold_builtin_complex_mul, fold_builtin_complex_div): New.
10860         (fold_builtin_1): Call them.
10861         * fold-const.c (fold_complex_mult_parts): Split out from ...
10862         (fold_complex_mult): ... here.  Fix typo in both imaginary case.
10863         (fold_complex_div_parts, fold_complex_div): New.
10864         (fold): Use them.
10865         * tree.h (fold_complex_mult_parts, fold_complex_div_parts): Declare.
10866
10867 2005-02-24  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10868
10869         * tree-ssa-ccp.c (visit_assignment): Verify that result of
10870         VIEW_CONVERT_EXPR is_gimple_min_invariant.
10871
10872         * print-tree.c (print_node_brief): Print LABEL_DECL_UID.
10873         (print_node): Likewise.
10874         Print TYPE_SIZES_GIMPLIFIED.
10875
10876 2005-02-24  Hans-Peter Nilsson  <hp@axis.com>
10877
10878         * config/cris/cris.md ("umulhisi3", "umulqihi3", "mulsi3")
10879         ("mulqihi3", "mulhisi3", "mulsidi3", "umulsidi3"): Mark input
10880         operands as commutative in constraints.
10881
10882 2005-02-24  Diego Novillo  <dnovillo@redhat.com>
10883
10884         * tree-into-ssa.c: Re-organize internal functions.
10885
10886 2005-02-24  Richard Henderson  <rth@redhat.com>
10887
10888         PR middle-end/18902
10889         * c-opts.c (c_common_post_options): Set flag_complex_method to 2
10890         for c99.
10891         * common.opt (fcx-limited-range): New.
10892         * opts.c (set_fast_math_flags): Set flag_cx_limited_range.
10893         * toplev.c (flag_complex_method): Initialize to 1.
10894         (process_options): Set flag_complex_method to 0 if
10895         flag_cx_limited_range.
10896         * doc/invoke.texi (-fcx-limited-range): New.
10897
10898 2005-02-24  Kazu Hirata  <kazu@cs.umass.edu>
10899
10900         * cse.c (delete_trivially_dead_insns): Speed up by using
10901         NEXT_INSN and PREV_INSN directly instead of next_real_insn and
10902         prev_real_insn.
10903
10904 2005-02-24  Andrea Tarani  <andrea.tarani@gilbarco.com>
10905
10906         * config/m68k/m68k.c (m68k_save_reg): Also save A5 for non-leaf
10907         functions when -mid-shared-library is being used.
10908
10909 2005-02-23  Daniel Jacobowitz  <dan@codesourcery.com>
10910
10911         * doc/tm.texi (LINK_LIBGCC_SPECIAL): Remove.
10912         (LINK_LIBGCC_SPECIAL_1): Don't mention it.
10913         * gcc.c: Don't check for LINK_LIBGCC_SPECIAL.
10914         * system.h: Poison LINK_LIBGCC_SPECIAL.
10915
10916 2005-02-23  James E Wilson  <wilson@specifixinc.com>
10917
10918         * gengtype.c (note_insn_name): Make 1 element larger.
10919
10920 2005-02-23  Roger Sayle  <roger@eyesopen.com>
10921
10922         PR target/20018
10923         PR rtl-optimization/20097
10924         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
10925         BImode SUBREGs of SImode registers which confuse the ia64 backend.
10926
10927 2005-02-23  David Edelsohn  <edelsohn@gnu.org>
10928
10929         * t-aix43 (SHLIB_INSTALL): Create directory for shared library.
10930         * t-aix52 (SHLIB_INSTALL): Same.
10931
10932 2005-02-23  Kazu Hirata  <kazu@cs.umass.edu>
10933
10934         * genpreds.c: Update copyright.
10935
10936 2005-02-23  Michael Beach  <michaelb@ieee.org>
10937
10938         PR target/20159
10939         * config/sparc/t-elf (startup files): Assemble with CPP.
10940
10941 2005-02-23  Paolo Bonzini  <bonzini@gnu.org>
10942
10943         * genpreds.c (mark_mode_tests): Handle non-VOIDmode match_operands.
10944         (write_predicate_expr): Likewise.
10945
10946 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
10947
10948         PR tree-optimization/20100
10949         PR tree-optimization/20115
10950         * tree-optimize.c (init_tree_optimization_passes): Remove
10951         pass_maybe_create_global_var.
10952         * tree-pass.h (pass_maybe_create_global_var): Remove.
10953         * tree-ssa-alias.c (aliases_computed_p): Declare.
10954         (struct alias_info): Add field NUM_PURE_CONST_CALLS_FOUND.
10955         (count_calls_and_maybe_create_global_var): Remove.
10956         (pass_maybe_create_global_var): Remove.
10957         (init_alias_info): Do not declare aliases_computed_p.
10958         (maybe_create_global_var): If the function contains no
10959         call-clobbered variables and a mix of pure/const and regular
10960         function calls, create .GLOBAL_VAR.
10961         Mark all call-clobbered variables for renaming.
10962         (merge_pointed_to_info): Update comment.
10963         (add_pointed_to_var): Likewise.
10964         (is_escape_site): Likewise.
10965         Accept struct alias_info * instead of size_t *.
10966         Update all users.
10967         Update AI->NUM_CALLS_FOUND and AI->NUM_PURE_CONST_CALLS_FOUND
10968         as necessary.
10969         * tree-ssa-operands.c (get_call_expr_operands): If
10970         ALIASES_COMPUTED_P is false, do not add call-clobbering
10971         operands.
10972         * tree-ssa.c (init_tree_ssa): Set ALIASES_COMPUTED_P to false.
10973         (delete_tree_ssa): Likewise.
10974
10975 2005-02-22  James E Wilson  <wilson@specifixinc.com>
10976
10977         * toplev.c (backend_init): Don't call init_adjust_machine_modes here.
10978         (do_compile): Do call it here.
10979
10980 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
10981
10982         PR rtl-optimization/20017.
10983         * passes.c (rest_of_handle_combine, rest_of_handle_cse,
10984         rest_of_handle_cse2, rest_of_handle_gcse): Call
10985         delete_dead_jumptables immediately before calling cleanup_cfg.
10986
10987 2005-02-22  Devang Patel  <dpatel@apple.com>
10988
10989         PR 19952
10990         * tree-if-conv.c (process_phi_nodes): Use bsi_after_labels and skip
10991         all labels
10992
10993 2005-02-22  David Edelsohn  <edelsohn@gnu.org>
10994
10995         * config/rs6000/aix.h (WINT_TYPE): Define.
10996
10997 2005-02-22  Stan Shebs  <shebs@apple.com>
10998
10999         * config/rs6000/rs6000.c (rs6000_override_options): Default to
11000         natural alignment for 64-bit Darwin.
11001         (rs6000_parse_alignment_option): Warn about uses of -malign-power
11002         on 64-bit Darwin.
11003         * doc/invoke.texi: Document this.
11004
11005 2005-02-22  DJ Delorie  <dj@redhat.com>
11006
11007         * c-common.c (c_common_type_for_mode): Pass the mode's precision
11008         to make_[un]signed_type, not the mode itself.
11009
11010 2005-02-22  Kazu Hirata  <kazu@cs.umass.edu>
11011
11012         * cfg.c (cached_make_edge): Call make_edge if edge cache is
11013         not available.  Use tail calls wherever possible.
11014         (make_edge): Call unchecked_make_edge to create an edge.
11015
11016         * tree-outof-ssa.c (SSANORM_USE_COALESCE_LIST): Remove.
11017         (coalesce_ssa_name): Don't check for
11018         SSANORM_USE_COALESCE_LIST.
11019         (rewrite_out_of_ssa): Don't use SSANORM_USE_COALESCE_LIST.
11020
11021 2005-02-22  Diego Novillo  <dnovillo@redhat.com>
11022
11023         * tree-into-ssa.c (rewrite_blocks): Move debug dumps from ...
11024         (rewrite_into_ssa): ... here.
11025
11026 2005-02-21  Alexandre Oliva  <aoliva@redhat.com>
11027
11028         PR tree-optimization/19786
11029         * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add one
11030         tag to another's may-alias bitmap when adding to the other's list.
11031
11032 2005-02-21  DJ Delorie  <dj@redhat.com>
11033
11034         * tree-ssa-loop-ivopts.c (computation_cost): Start register
11035         numbering at LAST_VIRTUAL_REGISTER+1 to avoid possibly using hard
11036         registers in unsupported ways.
11037         * expmed.c (init_expmed): Likewise.
11038
11039 2005-02-21  Stan Cox  <scox@redhat.com>
11040
11041         * config/iq2000/iq2000.h (DWARF_FRAME_RETURN_COLUMN): Change to 31.
11042
11043 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
11044
11045         * tree-cfg.c (fold_cond_expr_cond): New.
11046         (make_edges): Call fold_cond_expr_cond.
11047         (find_taken_edge): Accept nothing but INTEGER_CST.
11048         (find_taken_edge_cond_expr): Reject INTEGER_CST other than 0
11049         and 1.
11050         (find_taken_edge_switch_expr): Remove a check for INTEGER_CST.
11051
11052         * flow.c (delete_dead_jumptables): Speed up by scanning insns
11053         that do not belong to any basic block.
11054
11055 2005-02-21  Jeff Law  <law@redhat.com>
11056
11057         * cfganal.c (find_unreachable_blocks): Manually CSE load of
11058         e->dest.
11059
11060 2005-02-21  Kazu Hirata  <kazu@cs.umass.edu>
11061
11062         * tree-outof-ssa.c (SSANORM_REMOVE_ALL_PHIS): Remove.
11063         (SSANORM_COALESCE_PARTITIONS, SSANORM_USE_COALESCE_LIST):
11064         Adjust their definitions.
11065         (remove_ssa_form): Don't check for SSANORM_REMOVE_ALL_PHIS.
11066         (rewrite_out_of_ssa): Don't use SSANORM_REMOVE_ALL_PHIS.
11067
11068         * c-objc-common.h, c-pretty-print.c, cgraphunit.c, except.c,
11069         genautomata.c, langhooks.c, langhooks.h, system.h,
11070         config/arm/lib1funcs.asm: Update copyright.
11071
11072 2005-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
11073
11074         * dbxout.c (dbxout_function_end): Emit Lscope label always.
11075
11076 2005-02-21  Richard Guenther  <rguenth@gcc.gnu.org>
11077
11078         PR bootstrap/13770
11079         * doc/install.texi: Document --with-gc.
11080
11081 2005-02-21  Paolo Bonzini  <bonzini@gnu.org>
11082
11083         * simplify-rtx.c (simplify_unary_operation): Add a missing
11084         "break" statement.
11085
11086 2005-02-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
11087
11088         PR tree-optimization/18663
11089         * tree-ssa-dom.c (extract_range_from_cond): Return 0
11090         if the type has variable bounds.
11091
11092 2005-02-20  Kazu Hirata  <kazu@cs.umass.edu>
11093
11094         * gcse.c: Remove an obsolete comment.
11095
11096         * cse.c (init_cse_reg_info): Use xmalloc instead of xrealloc.
11097
11098 2005-02-20  Hans-Peter Nilsson  <hp@axis.com>
11099
11100         * doc/extend.texi (Function Attributes) <Attribute const>: The
11101         attribute "pure" is below this text, not above.
11102
11103 2005-02-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11104
11105         * pa.c (pa_assemble_integer, get_plabel): Small cleanups.
11106         (pa_asm_output_mi_thunk): Use asm_output_insn instead of fprintf.
11107         * som.h (ASM_OUTPUT_EXTERNAL_LIBCALL): Small cleanup.
11108
11109 2005-02-20  Zack Weinberg  <zack@codesourcery.com>
11110
11111         PR 18785
11112         * langhooks.h (struct lang_hooks): Add to_target_charset.
11113         * langhooks.c (lhd_to_target_charset): New function.
11114         * langhooks-def.h: Declare lhd_to_target_charset.
11115         (LANG_HOOKS_TO_TARGET_CHARSET): New macro.
11116         (LANG_HOOKS_INITIALIZER): Update.
11117         * c-common.c (c_common_to_target_charset): New function.
11118         * c-common.h: Declare it.
11119         * c-objc-common.h (LANG_HOOKS_TO_TARGET_CHARSET): Set to
11120         c_common_to_target_charset.
11121
11122         * defaults.c (TARGET_BELL, TARGET_BS, TARGET_CR, TARGET_DIGIT0)
11123         (TARGET_ESC, TARGET_FF, TARGET_NEWLINE, TARGET_TAB, TARGET_VT):
11124         Delete definitions.
11125         * system.h: Poison them.
11126         * doc/tm.texi: Don't discuss them.
11127         * builtins.c (fold_builtin_isdigit): Use lang_hooks.to_target_charset.
11128         * c-pretty-print.c (pp_c_integer_constant): Don't use pp_c_char.
11129         (pp_c_char): Do not attempt to generate letter escapes for
11130         newline, tab, etc.
11131         * config/arm/arm.c (output_ascii_pseudo_op): Likewise.
11132         * config/mips/mips.c (mips_output_ascii): Likewise.
11133
11134 2005-02-20  Dorit Naishlos  <dorit@il.ibm.com>
11135
11136         PR tree-optimization/19951
11137         * tree-vect-analyze.c (vect_analyze_loop_form): Check if loop exit edge
11138         is abnormal.
11139
11140 2005-02-19  Steven Bosscher  <stevenb@suse.de>
11141
11142         PR middle-end/19698
11143         * function.h (struct function): New field `max_loop_depth'.
11144         * cfgloop.c (establish_preds): Update maximum loop depth seen so far.
11145         (flow_loops_find): Reset the max loop depth count before finding loops.
11146         * flow.c (MAX_LIVENESS_ROUNDS): New constant.
11147         (update_life_info_in_dirty_blocks): Remove 2002-05-28 workaround.
11148         (calculate_global_regs_live): Make sure the loop will terminate
11149         when the initial sets are not empty.
11150
11151 2005-02-19  Zack Weinberg  <zack@codesourcery.com>
11152
11153         * mklibgcc.in: If libgcc_eh.a would be empty, put a dummy
11154         object inside.
11155         * config/ia64/hpux.h: Don't define LIBGCC_SPEC.
11156
11157 2005-02-19  Richard Sandiford  <rsandifo@redhat.com>
11158
11159         PR other/19525
11160         * doc/invoke.texi: Remove documentation of %M spec.
11161         * gcc.c: Likewise.
11162         (init_spec): Remove %M suffix from -lgcc_s.
11163         (do_spec_1): Remove 'M' case.
11164         * mklibgcc.in: Remove SHLIB_MULTILIB handling.  Expect SHLIB_LINK
11165         to put shared libraries in the multilib directory.  Remove the
11166         shlib_so_soname substitution variable.  Don't add a multilib encoding
11167         to shlib_base_name.  Set shlib_slibdir_qual to the full pathname
11168         reported by -print-multi-os-directory.  Pass @multilib_dir@ to
11169         SHLIB_INSTALL as well as SHLIB_LINK.
11170         * config/t-slibgcc-elf-ver (SHLIB_SONAME): Use @shlib_base_name@.
11171         (SHLIB_NAME): Delete.
11172         (SHLIB_DIR): New macro.
11173         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_SOLINK) in $(SHLIB_DIR).
11174         (SHLIB_INSTALL): Adjust accordingly.
11175         * config/t-slibgcc-darwin: As for t-slibgcc-elf-ver.
11176         * config/t-slibgcc-sld: Likewise.
11177         * config/t-libunwind-elf (SHLIBUNWIND_NAME): Delete.
11178         (SHLIBUNWIND_SONAME): Use @shlib_base_name@.
11179         (SHLIBUNWIND_LINK): Put $(SHLIBUNWIND_SONAME) and $(SHLIB_SOLINK)
11180         in $(SHLIB_DIR).
11181         (SHLIBUNWIND_INSTALL): Adjust accordingly.
11182         * config/i386/t-nwld (SHLIB_SONAME): Delete.
11183         (SHLIB_LINK, SHLIB_INSTALL): Use SHLIB_NAME instead of SHLIB_SONAME.
11184         Use @shlib_base_name@ instead of @shlib_so_name@.
11185         * config/ia64/t-hpux (SHLIB_LINK): Put @shlib_base_name@.so.0
11186         and @shlib_base_name@.so in @multilib_dir@.
11187         (SHLIB_INSTALL): Adjust accordingly.  Add @shlib_slibdir_qual@
11188         to the install path.
11189         * config/mips/t-slibgcc-irix: As for t-slibgcc-elf-ver.
11190         (SHLIB_LINK): Remove previous workaround.
11191         * config/pa/t-hpux-shlib (SHLIB_DIR, SHLIB_SLIBDIR_QUAL): New macros.
11192         (SHLIB_LINK): Put $(SHLIB_SONAME) and $(SHLIB_NAME) in $(SHLIB_DIR).
11193         (SHLIB_INSTALL): Adjust accordingly.  Add $(SHLIB_SLIBDIR_QUAL) to
11194         the install path.
11195         * config/rs6000/t-aix43 (SHLIB_LINK): Put @shlib_base_name@.a in
11196         @multilib_dir@.  Use @multilib_dir@ to check for threading libraries.
11197         (SHLIB_INSTALL): Adjust accordingly.
11198         (SHLIB_LIBS): Use @multilib_dir@ to check for threading libraries.
11199         * config/rs6000/t-aix52: As for config/rs6000/t-aix43.
11200         * config/sh/t-linux (SHLIB_LINK, SHLIB_INSTALL): As for
11201         config/t-slibgcc-elf-ver.
11202
11203 2005-02-19  Zdenek Dvorak  <dvorakz@suse.cz>
11204             Jakub Jelinek  <jakub@redhat.com>
11205
11206         PR tree-optimization/19828
11207         * tree-ssa-loop-im.c: Add a TODO comment.
11208         (movement_possibility): Return MOVE_PRESERVE_EXECUTION for calls
11209         without side-effects.
11210
11211 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
11212
11213         * tree-ssa-ccp.c (widen_bitfield): Pass type to build_int_cst and don't
11214         call fold_convert.
11215
11216 2005-02-18  James E. Wilson  <wilson@specifixinc.com>
11217
11218         * doc/invoke.texi (IA-64 Options): Delete -mb-step.
11219         * config/ia64/ia64.c (last_group, group_idx): Delete variables.
11220         (errata_find_address_regs, errata_emit_nops, fixup_errata): Delete
11221         functions.
11222         (ia64_reorg): Delete fixup_errata call.
11223         * config/ia64/ia64.h (MASK_B_STEP, TARGET_B_STEP): Delete.
11224         (TARGET_SWITCHES): Delete -mb-step entry.
11225
11226 2005-02-19  Jakub Jelinek  <jakub@redhat.com>
11227
11228         PR c/20043
11229         * c-typeck.c (composite_type): Handle quals in transparent unions.
11230         (type_lists_compatible_p): Likewise.
11231
11232 2005-02-18  Stan Shebs  <shebs@apple.com>
11233
11234         * config/darwin.c (machopic_select_rtx_section): Don't put relocatable
11235         expressions in the .literal8 section.
11236
11237 2005-02-18  Geoffrey Keating  <geoffk@apple.com>
11238
11239         * config/rs6000/darwin-tramp.asm: Remove stray 'APPLE LOCAL' marker.
11240
11241 2005-02-18  Roger Sayle  <roger@eyesopen.com>
11242
11243         * fold-const.c (constant_boolean_node): Always create values of the
11244         specified type, don't bother calling truthvalue_conversion.
11245
11246 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
11247
11248         * except.c (output_function_exception_table): Call
11249         assemble_external_libcall (eh_personality_libfunc).
11250
11251 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
11252
11253         PR target/19886
11254         * config/ia64/ia64.h (struct machine_function): Add state_num.
11255         * config/ia64/ia64.c (process_epilogue,
11256         process_for_unwind_directive): Use new unwind state numbers each
11257         time rather than state 1.
11258
11259 2005-02-18  Ulrich Weigand  <uweigand@de.ibm.com>
11260
11261         PR target/20054
11262         * config/s390/s390.md ("*llgt_sidi", "*llgt_sidi_split"): Move to
11263         before the "*llgt_didi" pattern.
11264
11265 2005-02-18  Jason Merrill  <jason@redhat.com>
11266
11267         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Revert again.
11268
11269 2005-02-18  Richard Earnshaw  <rearnsha@arm.com>
11270
11271         * arm/lib1funcs.asm (FUNC_ALIAS): New macro.
11272         (div0): Use it in place of ARM_FUNC_ALIAS.
11273         (lshrdi3, ashrdi3, ashlrdi3): Likewise.
11274
11275 2005-02-18  Andrew Pinski  <pinskia@physics.uc.edu>
11276
11277         PR middle-end/20030
11278         * fold-const.c (fold_indirect_ref_1): Use the correct index for zero
11279         access, the lower bound of the array type if it exists.
11280
11281 2005-02-18  Alexandre Oliva  <aoliva@redhat.com>
11282
11283         PR c++/20008
11284         * stmt.c (expand_case): Don't assume cleanup_tree_cfg will remove
11285         cases that are out-of-range for the index type.
11286
11287 2005-02-18  James A. Morrison  <phython@gcc.gnu.org>
11288
11289         * stmt.c (emit_case_bit_tests): Call fold_convert instead of convert.
11290         (estimate_case_costs): Don't call convert.
11291         * expmed.c (expand_shift): Likewise.
11292         (make_tree): Call fold_convert instead of convert.
11293
11294 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
11295
11296         PR c++/19813
11297         * emit-rtl.c (set_mem_attributes_minus_bitpos): Add assertion
11298         that ref to be marked MEM_READONLY_P doesn't have base that needs
11299         constructing.
11300
11301 2005-02-18  Joseph S. Myers  <joseph@codesourcery.com>
11302
11303         * genautomata.c (output_get_cpu_unit_code_func,
11304         output_cpu_unit_reservation_p): Don't generate old-style function
11305         definitions.
11306
11307 2005-02-18  Jakub Jelinek  <jakub@redhat.com>
11308
11309         PR c++/20023
11310         PR tree-optimization/20009
11311         * convert.c (convert_to_integer): Revert 2005-02-16 change.
11312
11313         PR tree-optimization/18947
11314         * cgraphunit.c (cgraph_finalize_function): When redefining an extern
11315         inline, remove all nodes that are inlined into the extern inline
11316         being redefined.
11317
11318 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
11319
11320         * bt-load.c, cfgloop.c, convert.c, dominance.c, global.c,
11321         loop-invariant.c, stmt.c, tree-ssa-forwprop.c,
11322         tree-ssa-live.c, tree-ssanames.c, tree-vn.c,
11323         config/host-linux.c, config/arm/fpa.md, config/avr/avr.h:
11324         Update copyright.
11325
11326 2005-02-17  Roger Sayle  <roger@eyesopen.com>
11327
11328         PR tree-optimization/19917
11329         * tree-eh.c (tree_could_trap_p): Consider calls to weak functions
11330         to be potentially trapping.
11331
11332 2005-02-17  Kazu Hirata  <kazu@cs.umass.edu>
11333
11334         * libgcc2.c, tree-vect-analyze.c: Fix comment typos.
11335
11336 2005-02-17  Andreas Krebbel  <krebbel1@de.ibm.com>
11337
11338         * builtins.c (expand_builtin_return_addr): Remove tem parameter.
11339         tem becomes a local variable which is set to the value of the
11340         back end defined INITIAL_FRAME_ADDRESS macro.
11341         (expand_builtin_frame_address): Omit the base parameter to
11342         expand_builtin_return_addr.
11343         (expand_builtin_profile_func): Likewise.
11344         * config/s390/s390.h (INITIAL_FRAME_ADDRESS_RTX): Define new macro.
11345         (DYNAMIC_CHAIN_ADDRESS): Remove the case for the initial frame.
11346         * doc/tm.texi: Documentation for INITIAL_FRAME_ADDRESS_RTX added.
11347
11348 2005-02-17  Jakub Jelinek  <jakub@redhat.com>
11349
11350         * config/s390/s390.c (s390_alloc_pool, s390_free_pool,
11351         s390_chunkify_start): Use BITMAP_ALLOC and BITMAP_FREE.
11352         * config/frv/frv.c (frv_function_epilogue): Likewise.
11353
11354 2005-02-17  Daniel Berlin  <dberlin@dberlin.org>
11355
11356         * lambda-code (perfect_nestify): Remove mark/unmark
11357         for rewriting hack.
11358         * tree-loop-linear.c (linear_transform_loops): Add
11359         rewrite_into_ssa call so that ssa is correct for
11360         rewriting into loop closed.
11361
11362 2005-02-17  Nathan Sidwell  <nathan@codesourcery.com>
11363
11364         * bitmap.h (BITMAP_XMALLOC, BITMAP_XFREE): Remove.
11365         * bb-reorder.c (duplicate_computed_gotos): Use BITMAP_ALLOC and
11366         BITMAP_FREE.
11367         * bt-load.c (btr_def_live_range, combine_btr_defs,
11368         migrate_btr_def, migrate_btr_defs): Likewise.
11369         * cfgcleanup.c (thread_jump): Likewise.
11370         * cfgloop.c (get_loop_body_in_bfs_order): Likewise.
11371         * df.c (df_insn_table_realloc, df_bitmaps_alloc, df_bitmaps_free,
11372         df_alloc, df_free, df_du_chain_create, df_bb_rd_local_compute,
11373         df_rd_local_compute, df_reg_info_compute): Likewise.
11374         * dominance.c (init_dom_info, free_dom_info): Likewise.
11375         * flow.c (init_propagate_block_info,
11376         free_propagate_block_info): Likewise.
11377         * gcse.c (alloc_gcse_mem, free_gcse_mem): Likewise.
11378         * global.c (allocate_bb_info, free_bb_info, calculate_reg_pav,
11379         modify_reg_pav): Likewise.
11380         * loop-invariant.c (find_defs, find_invariant_insn,
11381         find_invariants, free_inv_motion_data): Likewise.
11382         * predict.c (tree_predict_by_opcode,
11383         estimate_bb_frequencies): Likewise.
11384         * stmt.c (expand_case): Likewise.
11385         * tree-cfg.c (tree_duplicate_sese_region): Likewise.
11386         * tree-dfa.c (mark_new_vars_to_rename): Likewise.
11387         * tree-if-conv.c (get_loop_body_in_if_conv_order): Likewise.
11388         * tree-into-ssa.c (insert_phi_nodes_for, def_blocks_free,
11389         get_def_blocks_for, mark_def_site_blocks, rewrite_into_ssa,
11390         rewrite_ssa_into_ssa): Likewise.
11391         * tree-optimize.c (tree_rest_of_compilation): Likewise.
11392         * tree-outof-ssa.c (new_temp_expr_table, free_temp_expr_table,
11393         analyze_edges_for_bb, perform_edge_inserts): Likewise.
11394         * tree-scalar-evolution.c (scev_initialize, scev_finalize): Likewise.
11395         * tree-sra.c (tree_sra): Likewise.
11396         * tree-ssa-alias.c (init_alias_info, delete_alias_info): Likewise.
11397         * tree-ssa-ccp.c (ccp_fold_builtin): Likewise.
11398         * tree-ssa-dce.c (tree_dce_init, tree_dce_done): Likewise.
11399         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Likewise.
11400         * tree-ssa-dse.c (tree_ssa_dse): Likewise.
11401         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_var):
11402         Likewise.
11403         * tree-ssa-live.c (new_tree_live_info, delete_tree_live_info,
11404         calculate_live_on_entry, calculate_live_on_exit,
11405         build_tree_conflict_graph): Likewise.
11406         * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize_init, record_use,
11407         record_important_candidates, set_use_iv_cost, find_depends,
11408         determine_use_iv_costs, iv_ca_new, iv_ca_free, free_loop_data,
11409         tree_ssa_iv_optimize_finalize): Likewise.
11410         * tree-ssa-loop-manip.c (add_exit_phis_var, get_loops_exit,
11411         find_uses_to_rename_use, rewrite_into_loop_closed_ssa,
11412         tree_duplicate_loop_to_header_edge): Likewise.
11413         * tree-ssa-pre.c (init_pre, fini_pre): Likewise.
11414         * tree-ssa.c (verify_flow_insensitive_alias_info,
11415         verify_name_tags, verify_ssa, init_tree_ssa,
11416         delete_tree_ssa): Likewise.
11417         * tree-ssanames.c (marked_ssa_names, init_ssanames,
11418         fini_ssanames): Likewise.
11419         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Likewise.
11420
11421 2005-02-17  Ralf Corsepius  <ralf.corsepius@rtems.org>
11422
11423         * config/rs6000/t-rtems: Completely reworked.
11424
11425 2005-02-17  Ira Rosen  <irar@il.ibm.com>
11426
11427         * tree-data-ref.c (array_base_name_differ_p): Remove gcc_assert.
11428
11429 2005-02-17  Ira Rosen  <irar@il.ibm.com>
11430
11431         * tree-vect-analyze.c (vect_analyze_pointer_ref_access): Use
11432         POINTER_TYPE_P when checking that type is a pointer.
11433         (vect_get_memtag): Remove.
11434         (vect_address_analysis): Use POINTER_TYPE_P. Call
11435         vect_object_analysis with dummy parameter for memtag.
11436         (vect_object_analysis): Extract memtag (functionality that
11437         used to be in vect_get_memtag and moved here). Fix printings.
11438         (vect_analyze_data_refs): Fix comment. Call vect_object_analysis
11439         with correct parameters. Remove call to vect_get_memtag.
11440
11441 2005-02-17  Dorit Naishlos  <dorit@il.ibm.com>
11442
11443         * Makefile.in (tree-vect-analyze.o, tree-vect-transform.o): New.
11444         (tree-vectorizer.o): Added missing dependencies.
11445
11446         * tree-vectorizer.h (vect_dump, vect_verbosity_level): Added extern
11447         decleration.
11448         (slpeel_tree_peel_loop_to_edge): Function externalized (had a static
11449         declaration in tree-vectorizer.c, now has an extern declaration in
11450         tree-vectorizer.h).
11451         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
11452         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
11453         get_vectype_for_scalar_type, vect_is_simple_use,
11454         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
11455         vect_supportable_dr_alignment, new_loop_vec_info, destroy_loop_vec_info,
11456         new_stmt_vec_info, vect_analyze_loop, vectorizable_load,
11457         vectorizable_store, vectorizable_operation, vectorizable_assignment,
11458         vect_transform_loop, vect_print_dump_info, vect_set_verbosity_level,
11459         find_loop_location): Likewise.
11460
11461         * tree-vectorizer.c (langhooks.h): #include removed.
11462         (slpeel_tree_peel_loop_to_edge): Function externalized. Declaration
11463         moved to tree-vectorized.h.
11464         (slpeel_make_loop_iterate_ntimes, slpeel_can_duplicate_loop_p,
11465         slpeel_verify_cfg_after_peeling, vect_strip_conversion,
11466         get_vectype_for_scalar_type, vect_is_simple_use,
11467         vect_is_simple_iv_evolution, vect_can_force_dr_alignment_p,
11468         vect_supportable_dr_alignment, new_loop_vec_info,
11469         destroy_loop_vec_info, new_stmt_vec_info, vect_print_dump_info,
11470         vect_set_verbosity_level, find_loop_location): Likewise.
11471
11472         (vect_analyze_loop): Function externalized. Declaration moved to
11473         tree-vectorized.h. Function definition moved to tree-vect-analyze.c.
11474         (vect_analyze_loop_form): Moved to tree-vect-analyze.c.
11475         (vect_mark_stmts_to_be_vectorized, vect_analyze_scalar_cycles,
11476         vect_analyze_data_ref_accesses, vect_analyze_data_ref_dependences,
11477         vect_analyze_data_refs_alignment, vect_compute_data_refs_alignment,
11478         vect_enhance_data_refs_alignment, vect_analyze_operations,
11479         exist_non_indexing_operands_for_use_p, vect_mark_relevant,
11480         vect_stmt_relevant_p, vect_get_loop_niters,
11481         vect_analyze_data_ref_dependence, vect_compute_data_ref_alignment,
11482         vect_analyze_data_ref_access, vect_analyze_pointer_ref_access,
11483         vect_can_advance_ivs_p, vect_get_ptr_offset, vect_analyze_offset_expr,
11484         vect_base_addr_differ_p, vect_object_analysis, vect_address_analysis,
11485         vect_get_memtag): Likewise.
11486
11487         (vectorizable_load): Function externalized. Declaration moved to
11488         tree-vectorized.h. Function definition moved to tree-vect-transform.c.
11489         (vectorizable_store, vectorizable_operation, vectorizable_assignment,
11490         vect_transform_loop): Likewise.
11491         (vect_transform_stmt): Moved to tree-vect-transform.c.
11492         (vect_align_data_ref, vect_create_destination_var,
11493         vect_create_data_ref_ptr, vect_create_index_for_vector_ref,
11494         vect_create_addr_base_for_vector_ref, vect_get_new_vect_var,
11495         vect_get_vec_def_for_operand, vect_init_vector,
11496         vect_finish_stmt_generation, vect_generate_tmps_on_preheader,
11497         vect_build_loop_niters, vect_update_ivs_after_vectorizer,
11498         vect_gen_niters_for_prolog_loop, vect_update_inits_of_dr,
11499         vect_update_inits_of_drs, vect_do_peeling_for_alignment,
11500         vect_do_peeling_for_loop_bound): Likewise.
11501
11502         * tree-vect-analyze.c: New file.
11503         * tree-vect-transform.c: New file.
11504
11505 2005-02-17  Jason Merrill  <jason@redhat.com>
11506
11507         PR mudflap/19319, c++/19317
11508         * gimplify.c (gimplify_modify_expr_rhs) [CALL_EXPR]: Make return
11509         slot explicit.
11510
11511 2005-02-17  Gerald Pfeifer  <gerald@pfeifer.com>
11512
11513         * doc/install.texi (Specific): Update link for Darwin-specific
11514         tool binary site.
11515
11516 2005-02-16  James A. Morrison  <phython@gcc.gnu.org>
11517
11518         * fold-const.c (invert_truthvalue): <INTEGER_CST>: Call
11519         constant_boolean_node.
11520
11521 2005-02-16  David Edelsohn  <edelsohn@gnu.org>
11522
11523         PR target/19019
11524         * config/rs6000/t-aix43 (SHLIB_MAPFILES): Add libgcc-ppc64.ver.
11525         * config/rs6000/t-aix52 (SHLIB_MAPFILES): Same.
11526
11527 2005-02-16  Richard Henderson  <rth@redhat.com>
11528
11529         PR 19920
11530         * libgcc2.c (WORD_SIZE): Remove all definitions; replace uses
11531         with W_TYPE_SIZE.
11532         (HIGH_WORD_COEFF, HIGH_HALFWORD_COEFF): Remove all definitions;
11533         replace uses with Wtype_MAXp1_F.
11534         (L_fixunstfdi, L_fixtfdi, L_floatditf, L_fixunsxfdi, L_fixxfdi,
11535         L_floatdixf, L_fixunsxfsi, L_fixunsdfdi, L_floatdidf, L_fixunsdfsi,
11536         L_powidf2, L_powixf2, L_powitf2, L_muldc3, L_divdc3, L_mulxc3,
11537         L_divxc3, L_multc3, L_divtc3): Protect with HAVE_DFMODE, HAVE_XFMODE,
11538         and HAVE_TFMODE as appropriate.
11539         (__fixunssfDI): Provide an implementation that doesn't need DFmode.
11540         (__floatdisf): Likewise.
11541         * libgcc2.h (LIBGCC2_DOUBLE_TYPE_SIZE): New.
11542         (HAVE_DFMODE, HAVE_XFMODE, HAVE_TFMODE): New.
11543         (Wtype_MAXp1_F): New.
11544         (DFtype, DCtype, __fixdfdi, __floatdidf, __fixunsdfSI, __fixunsdfDI,
11545         __powidf2, __divdc3, __muldc3): Protect with HAVE_DFMODE.
11546
11547 2005-02-16  Richard Earnshaw  <rearnsha@arm.com>
11548
11549         * PR target/19162
11550         * arm.c (arm_apply_result_size): New function.
11551         * arm.h (APPLY_RESULT_SIZE): Define.
11552         * arm-protos.h (arm_apply_result_size): Add prototype.
11553         * arm.md (RO_REGNUM, FPA_F0_REGNUM, FPA_F7_REGNUM): New constants.
11554         (movxf): New expand.
11555         (ldmsi_postinc4_thumb, stmsi_postinc4_thumb): New patterns for Thumb.
11556         (call_value_symbol): Remove predicate for operand 0.
11557         (call_value_insn, sibcall_value, sibcall_value_insn): Likewise.
11558         (untyped_call): Rework to correclty return values for any type.
11559         (untyped_return): New expand.
11560         * fpa.md (movxf_fpa): Simplify and use sfm/lfm when appropriate.
11561
11562 2005-02-16  Stan Shebs  <shebs@apple.com>
11563
11564         * config.gcc (powerpc-*-darwin*): Use fragment for Darwin 8 or later.
11565         * config/rs6000/t-darwin8: New, for 64-bit multilib.
11566
11567 2005-02-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
11568
11569         * doc/install.texi (sparc-sun-solaris2*): Document required GMP
11570         configure settings on Solaris 7 and later.
11571
11572 2005-02-16  Diego Novillo  <dnovillo@redhat.com>
11573
11574         PR tree-optimization/19865
11575         * tree-optimize.c (init_tree_optimization_passes): Run
11576         pass_may_alias after pass_sra.
11577
11578 2005-02-16  Richard Henderson  <rth@redhat.com>
11579             Stuart Hastings  <stuart@apple.com>
11580
11581         PR debug/19521
11582         * dbxout.c (dbxout_function_end): Take decl parameter; update callers.
11583         Do nothing if debug info suppressed for this function.
11584         (dbxout_begin_function): Early exit if debug info suppressed for
11585         this function.
11586
11587 2005-02-16  Kazu Hirata  <kazu@cs.umass.edu>
11588
11589         PR target/20007
11590         * config/ip2k/ip2k.c (ip2k_reorg): Adjust calls to
11591         find_basic_blocks.
11592         * config/sh/sh.c (sh_output_mi_thunk): Likewise.
11593
11594         PR tree-optimization/19967
11595         * builtins.c (expand_builtin_strstr, expand_builtin_strpbrk,
11596         expand_builtin_strchr, expand_builtin_strrchr): Take a new
11597         argument TYPE.  Adjust calls to fold_builtin_XXX.
11598         (expand_builtin, fold_builtin_1): Adjust calls to
11599         expand_builtin_XXX.
11600         (fold_builtin_strchr, fold_builtin_strpbrk,
11601         fold_builtin_strstr, fold_builtin_strrchr): Convert the folded
11602         result to a requested type TYPE.
11603
11604 2005-02-16  Jakub Jelinek  <jakub@redhat.com>
11605
11606         PR middle-end/19857
11607         * fold-const.c (fold): Don't optimize (T)(x & cst) to
11608         (T)x & (T)cst if (T)cst overflows.
11609         * convert.c (convert_to_integer) <case POINTER_TYPE>: Pass
11610         TYPE_UNSIGNED (type) as type_for_size's UNSIGNEDP argument.
11611
11612 2005-02-15  Jeff Law  <law@redhat.com>
11613
11614         * gcse.c (blocks_with_calls): New bitmap.
11615         (alloc_gcse_mem): Allocate it.
11616         (free_gcse_mem): Free it.
11617         (clear_modifY_mem_tables): Clear it.
11618         (record_last_mem_set_info): Set the proper bit in BLOCK_WITH_CALLS
11619         when we encounter CALL_INSNs.
11620         (compute_transp, case MEM): Handle blocks with calls separate
11621         from blocks without calls.  Use bitmap iterators rather than
11622         FOR_EACH_BB.
11623
11624 2005-02-15  Peter O'Gorman  <peter@pogma.com>
11625
11626         PR bootstrap/18810
11627         * mklibgcc.in (vis_hide): Use a temporary object file, not
11628         -o /dev/null.
11629
11630 2005-02-15  Andy Hutchinson  <HutchinsonAndy@netscape.net>
11631
11632         PR target/19924
11633         * config/avr/avr.h (MODES_TIEABLE_P): Define to 1 to allow subreg
11634         access optimization.
11635
11636 2005-02-15  David Edelsohn  <edelsohn@gnu.org>
11637             Alan Modra  <amodra@bigpond.net.au>
11638
11639         PR target/19019
11640         * config/rs6000/darwin-ldouble.c (_xlqadd): Rename to __gcc_qadd.
11641         (_xlqsub): Rename to __gcc_qsub.
11642         (_xlqmul): Rename to __gcc_qmul.
11643         (_xlqdiv): Rename to __gcc_qdiv.
11644         Provide versioned symbol aliases with old names.
11645         * config/rs6000/libgcc-ppc64.ver: Rename symbols.
11646         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Rename symbols.
11647         * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): New.
11648         * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): New.
11649         * config/rs6000/t-newas (LIB2FUNCS_EXTRA): New.
11650
11651 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
11652
11653         * fold-const.c (fold): Fold -(~A) to A + 1.  Fold ~(-A) to A - 1.
11654         Fold ~(A - 1) and ~(A + -1) to -A.
11655
11656 2005-02-15  James A. Morrison  <phython@gcc.gnu.org>
11657
11658         PR pch/14940
11659         PR target/19300
11660         * config/host-linux.c (linux_gt_pch_use_address): Copy from
11661         config/pa/pa-host.c:pa_gt_pch_use_address.
11662
11663 2005-02-15  Daniel Berlin  <dberlin@dberlin.org>
11664
11665         * tree-vn.c (get_value_handle): Make sure that given an
11666         is_gimple_min_invariant expression, we always return it.
11667
11668 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
11669
11670         * passes.c (rest_of_handle_gcse): Fix a comment.
11671
11672 2005-02-15  Jeff Law  <law@redhat.com>
11673
11674         * gcse.c (canon_modify_mem_set_list_set): Kill unnecessary
11675         bitmap.
11676         (alloc_gcse_mem, free_gcse_mem): Corresponding changes.
11677         (canon_list_insert, record_last_mem_set_info): Similarly.
11678         (clear_modify_mem_tables): Similarly.
11679
11680 2005-02-15  Kazu Hirata  <kazu@cs.umass.edu>
11681
11682         * bitmap.c, bitmap.h, lambda-code.c, tree-dfa.c, tree-dump.c,
11683         tree-dump.h, tree-ssa-loop-manip.c, value-prof.c,
11684         config/mips/mips.md, config/rs6000/aix.h,
11685         config/rs6000/beos.h, config/rs6000/sysv4.h: Update copyright.
11686
11687 2005-02-15  Richard Henderson  <rth@redhat.com>
11688
11689         * bb-reorder.c (find_traces_1_round): Force fallthru edge from a
11690         call to be best_edge.
11691
11692 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
11693
11694         * basic-block.h: Adjust the prototype for find_basic_blocks.
11695         * cfgbuild.c (find_basic_blocks): Remove unused arguments.
11696         * passes.c (rest_of_handle_loop_optimize): Adjust the call to
11697         find_basic_blocks.
11698
11699         * flow.c (recompute_reg_usage): Remove all arguments.
11700         * passes.c (rest_of_compilation): Adjust the call to
11701         recompute_reg_usage.
11702         * rtl.h: Adjust the prototype for recompute_reg_usage.
11703
11704 2005-02-14  Daniel Berlin  <dberlin@dberlin.org>
11705
11706         * tree-dump.c (dump_files): Update to reflect new member
11707         of dump_file_info.
11708         (dump_register): Add new argument.
11709         Set glob name.
11710         (dump_switch_p_1): Check against glob name if doglob was passed.
11711         (dump_switch_p): Check against regular first, then glob if
11712         we didn't have any hits on the dump name.
11713         * tree-optimize.c (register_one_dump_file):
11714         Pass in glob name as well.
11715         * tree-pass.h (struct dump_file_info): Add glob
11716         member.
11717
11718 2005-02-14  Joseph S. Myers  <joseph@codesourcery.com>
11719
11720         PR preprocessor/16323
11721         * doc/invoke.texi: Document that -Wendif-labels is on by default.
11722
11723 2005-02-14  David Edelsohn  <edelsohn@gnu.org>
11724
11725         PR target/19019
11726         * config/rs6000/rs6000.md (trunctfdf2): Change to define_expand.
11727         (trunctfdf2_internal1): New.
11728         (trunctfdf2_internal2): Renamed from trunctfdf2.
11729
11730 2005-02-14  Diego Novillo  <dnovillo@redhat.com>
11731
11732         PR tree-optimization/19853
11733         * tree-dfa.c (add_referenced_var): Always examine DECL_INITIAL.
11734
11735 2005-02-14  Kazu Hirata  <kazu@cs.umass.edu>
11736
11737         * passes.c (rest_of_handle_loop_optimize): Remove calls to
11738         delete_dead_jumptables and cleanup_cfg.
11739
11740 2005-02-14  Ulrich Weigand  <uweigand@de.ibm.com>
11741
11742         * reload.c (find_reloads): Swap address_reloaded flags when
11743         swapping commutative operands.
11744
11745 2005-02-14  Sebastian Pop  <pop@cri.ensmp.fr>
11746
11747         * lambda-code.c (lambda_loopnest_to_gcc_loopnest, perfect_nestify):
11748         Use standard_iv_increment_position for computing the bsi position
11749         for create_iv.
11750         * tree-ssa-loop-manip.c (create_iv): Add a comment on how to compute
11751         the bsi position.
11752
11753 2005-02-13  Zdenek Dvorak  <dvorakz@suse.cz>
11754
11755         PR target/17428
11756         * cfgrtl.c (safe_insert_insn_on_edge): Avoid extending
11757         life range of hard registers.
11758         * value-prof.c (insn_prefetch_values_to_profile): Only
11759         scan normal insns.
11760
11761         * value-prof.c (rtl_find_values_to_profile): Do not look for values to
11762         profile in libcalls.
11763
11764 2005-02-13  Nathan Sidwell  <nathan@codesourcery.com>
11765
11766         * bitmap.h (bitmap_and_compl_into): Return bool.
11767         * bitmap.c (bitmap_and_compl_into): Return changed flag.
11768
11769 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
11770
11771         PR tree-optimization/19944
11772         * fold-const.c (fold): Re-add ABS_EXPR folding.
11773
11774 2005-02-13  David Edelsohn  <edelsohn@gnu.org>
11775
11776         PR target/19019
11777         * config/rs6000/aix.h ({TARGET,MASK}_XL_CALL): Rename to
11778         {TARGET,MASK}_XL_COMPAT.
11779         (SUBTARGET_SWITCHES): Rename xl-call to xl-compat.  Use
11780         MASK_XL_COMPAT.
11781         * config/rs6000/beos.h ({TARGET,MASK}_XL_CALL): Remove.
11782         * config/rs6000/rs6000.c (function_arg): Change TARGET_XL_CALL to
11783         TARGET_XL_COMPAT.
11784         (rs6000_arg_partial_bytes): Same.
11785         (rs6000_generate_compare): Generate PARALLEL for compare if TFmode
11786         and XL compatibility enabled.
11787         * config/rs6000/rs6000.h (TARGET_XL_CALL): Rename to TARGET_XL_COMPAT.
11788         * config/rs6000/rs6000.md (cmptf_internal1): Add !TARGET_XL_COMPAT
11789         test to final condition.
11790         (cmptf_internal2): New.
11791         * doc/invoke.texi (RS/6000 Subtarget Options): Change xl-call to
11792         xl-compat.  Add TFmode information to description.
11793
11794 2005-02-13  Kazu Hirata  <kazu@cs.umass.edu>
11795
11796         * flags.h, read-rtl.c, tree-ssa-live.h: Update copyright.
11797
11798 2005-02-13  Jason Merrill  <jason@redhat.com>
11799
11800         PR c++/16405
11801         * fold-const.c (fold_indirect_ref_1): Split out from...
11802         (build_fold_indirect_ref): Here.
11803         (fold_indirect_ref): New fn.
11804         * tree.h: Declare it.
11805         * gimplify.c (gimplify_compound_lval): Call fold_indirect_ref.
11806         (gimplify_modify_expr_rhs): Likewise.
11807         (gimplify_expr): Likewise.
11808
11809 2005-02-13  James A. Morrison  <phython@gcc.gnu.org>
11810
11811         PR tree-optimization/14303
11812         PR tree-optimization/15784
11813         * fold-const.c (fold): Fold ABS_EXPR<x> >= 0 to true, when possible.
11814         Fold ABS_EXPR<x> < 0 to false.  Fold ABS_EXPR<x> == 0 to x == 0 and
11815         ABS_EXPR<x> != 0 to x != 0.
11816
11817 2005-02-12  Kazu Hirata  <kazu@cs.umass.edu>
11818
11819         * c-tree.h, combine.c, expmed.c, flow.c, libgcc2.c,
11820         simplify-rtx.c, tree-ssa-live.h: Fix comment typos.  Follow
11821         spelling conventions.
11822
11823         * passes.c (rest_of_handle_gcse): Don't run cse_main and
11824         delete_trivially_dead_insns too many times.
11825
11826         * passes.c (rest_of_handle_gcse): Remove dead assignments to
11827         tem and tem2.
11828
11829 2005-02-12  Ira Rosen  <irar@il.ibm.com>
11830
11831         * tree-vectorizer.c (vect_get_base_and_offset): Remove.
11832         (vect_is_simple_iv_evolution): Remove redundant parameter
11833         and step check.
11834         (vect_analyze_scalar_cycles): Call vect_is_simple_iv_evolution
11835         without last parameter.
11836         (vect_analyze_pointer_ref_access): Get access_fn as parameter.
11837         Return pointer step. Call vect_is_simple_iv_evolution without
11838         last parameter. Check only that the step is multiple of size
11839         type. Remove stmt_vinfo updates.
11840         (vect_get_memtag_and_dr): Remove.
11841         (vect_get_memtag): New function.
11842         (vect_address_analysis): New function.
11843         (vect_object_analysis): New function.
11844         (vect_analyze_data_refs): Call vect_object_analysis and
11845         vect_get_memtag. Update stmt_vinfo fields.
11846
11847 2005-02-12  Ira Rosen  <irar@il.ibm.com>
11848
11849         * tree-data-ref.c (array_base_name_differ_p): Check that the bases
11850         exist and are objects. Remove checks for pointer.
11851         * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
11852         STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
11853         (vect_create_data_ref_ptr): Likewise.
11854         (vect_base_addr_differ_p): New function.
11855         (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
11856         (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
11857         Don't set the DR_BASE_NAME field of data-ref.
11858         (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.
11859
11860 2005-02-12  Uros Bizjak  <uros@kss-loka.si>
11861
11862         * optabs.h (enum optab_index): Add new OTI_ldexp.
11863         (ldexp_optab): Define corresponding macro.
11864         * optabs.c (init_optabs): Initialize ldexp_optab.
11865         * genopinit.c (optabs): Implement ldexp_optab using ldexp?f3
11866         patterns.
11867         * builtins.c (expand_builtin_mathfn_2): Handle BUILT_IN_LDEXP{,F,L}
11868         using ldexp_optab.
11869         (expand_builtin): Expand BUILT_IN_LDEXP{,F,L} using
11870         expand_builtin_mathfn_2 if flag_unsafe_math_optimizations is set.
11871
11872         * config/i386/i386.md (ldexpsf3, ldexpdf3, ldexpxf3): New expanders
11873         to implement ldexpf, ldexp and ldexpl built-ins as inline x87
11874         intrinsics.
11875
11876 2005-02-12  Ira Rosen  <irar@il.ibm.com>
11877
11878         * tree-vectorizer.h (struct _stmt_vec_info): Rename a field: base
11879         to base_address.
11880         * tree-vectorizer.c (new_stmt_vec_info): Rename the above field of
11881         stmt_vec_info.
11882         (vect_get_base_and_offset): Always return an address.
11883         (vect_create_addr_base_for_vector_ref): Remove treatment for
11884         different data reference types.
11885         (vect_compute_data_ref_alignment): Rename base to base_address in
11886         stmt_vec_info. Get the object in order to force its alignment.
11887         (vect_get_memtag_and_dr): Rename base to base_address in
11888         stmt_vec_info. Extract the object for memtag analysis.
11889
11890 2005-02-12  Hans-Peter Nilsson  <hp@axis.com>
11891
11892         PR regression/19898.
11893         * config/cris/cris.c (cris_notice_update_cc): When testing if insn
11894         changes cc_status, use apply modified_in_p to part of cc_status
11895         and insn, not cris_reg_overlap_mentioned_p on SET_DEST of insn
11896         body.
11897
11898 2005-02-11  Richard Henderson  <rth@redhat.com>
11899
11900         * tree-complex.c (expand_complex_libcall): New.
11901         (expand_complex_multiplication): Use it for c99 compliance.
11902         (expand_complex_division): Likewise.
11903         * fold-const.c (fold_complex_add, fold_complex_mult): New.
11904         (fold): Call them.
11905         * builtins.c (built_in_names): Remove const.
11906         * tree.c (build_common_builtin_nodes): Build complex arithmetic
11907         builtins.
11908         * tree.h (BUILT_IN_COMPLEX_MUL_MIN, BUILT_IN_COMPLEX_MUL_MAX): New.
11909         (BUILT_IN_COMPLEX_DIV_MIN, BUILT_IN_COMPLEX_DIV_MAX): New.
11910         (built_in_names): Remove const.
11911         * c-common.c (c_common_type_for_mode): Handle complex modes.
11912         * flags.h, toplev.c (flag_complex_method): Rename from
11913         flag_complex_divide_method.
11914         * libgcc2.c (__divsc3, __divdc3, __divxc3, __divtc3,
11915         __mulsc3, __muldc3, __mulxc3, __multc3): New.
11916         * libgcc2.h: Declare them.
11917         * libgcc-std.ver: Export them.
11918         * mklibgcc.in (lib2funcs): Build them.
11919
11920 2005-02-11  Steven Bosscher  <stevenb@suse.de>
11921
11922         PR tree-optimization/19876
11923         Partially revert my change from 2005-01-14
11924         * tree-ssa-pre.c (compute_antic_aux): Make recursive once again...
11925         (compute_antic): ...and remove the loop here.
11926
11927 2005-02-11  Jakub Jelinek  <jakub@redhat.com>
11928
11929         PR middle-end/19858
11930         * fold-const.c (make_bit_field_ref): If bitpos == 0 and bitsize
11931         is number of inner's bits, avoid creating a BIT_FIELD_REF.
11932
11933         * config/rs6000/sysv4.h (ENDFILE_LINUX_SPEC): Use crtendS.o instead of
11934         crtend.o if -pie.  Use %{x:a;:b} spec syntax.
11935
11936 2005-02-11  Daniel Jacobowitz  <dan@codesourcery.com>
11937
11938         * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
11939         offsets for the big-endian 32-bit case.
11940
11941 2005-02-11  Joseph S. Myers  <joseph@codesourcery.com>
11942
11943         * config/ia64/hpux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
11944
11945 2005-02-11  Dale Johannesen  <dalej@apple.com>
11946
11947         * cselib.c (cselib_process_insn):  Clear out regs where
11948         HARD_REGNO_CALL_PART_CLOBBERED is true at a call.
11949         * reload.c (find_equiv_reg): Ditto.
11950
11951 2005-02-11  Ian Lance Taylor  <ian@airs.com>
11952
11953         * read-rtl.c (read_rtx_1): Give fatal error if we see a vector
11954         with no elements.
11955
11956         * tree.c (build_function_type_list): Work correctly if there are
11957         no arguments.
11958
11959 2005-02-11  Ulrich Weigand  <uweigand@de.ibm.com>
11960
11961         * config/s390/s390.md ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs",
11962         "*cmpsi_ccs"): Use %h instead of %c to print immediate operand.
11963         ("*zero_extendhisi2_64", "*zero_extendhisi2_31"): Choose based on
11964         TARGET_ZARCH instead of TARGET_64BIT.
11965
11966 2005-02-11  Ralf Corsepius  <ralf.corsepius@rtems.org>
11967
11968         * config/rs6000/t-rtems:
11969         (MULTILIB_OPTIONS): Remove mcpu=602.
11970         (MUTLILIB_DIRNAMES): Remove m602.
11971         (MULTILIB_MATCHES): Add ${MULTILIB_MATCHES_FLOAT}.
11972         Let mcpu=602 match mcpu=603.
11973         (MULTILIB_NEW_EXCEPTIONS_ONLY): Add mcpu=601, mcpu=602, mcpu=m603.
11974
11975 2005-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11976
11977         * pa/linux-unwind.h (pa32_fallback_frame_state): Handle misaligned
11978         signal trampolines.
11979
11980 2005-02-10  David Daney  <ddaney@avtrex.com>
11981
11982         * config/alpha/linux-unwind.h: Add exception clause to copyright.
11983         * config/i386/linux-unwind.h: Likewise.
11984         * config/ia64/linux-unwind.h: Likewise.
11985         * config/mips/linux-unwind.h: Likewise.
11986         * config/pa/linux-unwind.h: Likewise.
11987         * config/rs6000/linux-unwind.h: Likewise.
11988         * config/s390/linux-unwind.h: Likewise.
11989         * config/sh/linux-unwind.h: Likewise.
11990         * config/sparc/linux-unwind.h: Likewise.
11991
11992 2005-02-10  Steven Bosscher  <stevenb@suse.de>
11993
11994         PR tree-optimization/17549
11995         * tree-outof-ssa.c (find_replaceable_in_bb): Do not allow
11996         TER to replace a DEF with its expression if the DEF and the
11997         rhs of the expression we replace into have the same root
11998         variable.
11999
12000 2005-02-10  Richard Sandiford  <rsandifo@redhat.com>
12001
12002         * config/mips/mips.md: Fix the placement of the match_scratch in the
12003         lea64 peephole2.
12004
12005 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
12006
12007         * cse.c, tree-ssa-loop-ivopts.c, config/rs6000/linux-unwind.h:
12008         Fix comment typos.
12009
12010 2005-02-10  Zdenek Dvorak  <dvorakz@suse.cz>
12011
12012         * tree-ssa-loop-ivopts.c (determine_base_object): Ignore casts.
12013         (strip_offset): Handle addresses.
12014         (add_address_candidates): Use strip_offset.
12015         (difference_cost): Reflect strip_offset change.
12016         (force_var_cost, difference_cost): Strip nops.
12017
12018 2005-02-10  Kazu Hirata  <kazu@cs.umass.edu>
12019
12020         * df.h (DF_REF_MODE_CHANGE, DF_REF_MEM_OK): Remove.
12021
12022         * builtins.def, haifa-sched.c, libgcc2.c, libgcc2.h,
12023         tree-ssa-loop-ivcanon.c, tree-ssa-loop-niter.c,
12024         config/cris/cris-protos.h, config/cris/cris.c: Update
12025         copyright.
12026
12027 2005-02-10  Jeff Law  <law@redhat.com>
12028
12029         * tree-ssa-dom.c (thread_across_edge): Use xmalloc, not xcalloc.
12030         (lookup_avail_expr): Similarly.
12031
12032 2005-02-10  Richard Guenther  <rguenth@gcc.gnu.org>
12033
12034         * builtins.c (fold_builtin_powi): New function.
12035         (fold_builtin_1): Call it.
12036
12037 2005-02-10  Steven Bosscher  <stevenb@suse.de>
12038
12039         PR documentation/19309
12040         * doc/cpp.texi: The __GNUC__ and related predefined macros
12041         are also defined for the "standalone" cpp.
12042         Some non-GCC compilers may also define __GNUC__.
12043
12044 2005-02-10  Jakub Jelinek  <jakub@redhat.com>
12045
12046         PR c/19342
12047         * c-typeck.c (common_type): New routine.  Old common_type renamed
12048         to...
12049         (c_common_type): ...this.
12050         (build_conditional_expr, build_binary_op): Use c_common_type instead
12051         of common_type.
12052
12053 2005-02-10  Steven Bosscher  <stevenb@suse.de>
12054
12055         * doc/md.texi: Replace @samp{length} with @code{length}.
12056
12057 2005-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
12058
12059         PR tree-optimization/18687
12060         * tree-flow.h (find_loop_niter): Declare.
12061         * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
12062         Try using scev even for loops with more than one exit.
12063         * tree-ssa-loop-ivopts.c (struct loop_data): Removed niter field.
12064         (struct ivopts_data): Added niters field.
12065         (struct nfe_cache_elt): New.
12066         (nfe_hash, nfe_eq, niter_for_exit, niter_for_single_dom_exit): New
12067         functions.
12068         (tree_ssa_iv_optimize_init): Initialize niters cache.
12069         (determine_number_of_iterations): Removed.
12070         (find_induction_variables): Do not call determine_number_of_iterations.
12071         Access niters for single exit through niter_for_single_dom_exit.
12072         (add_iv_outer_candidates): Access niters for single exit through
12073         niter_for_single_dom_exit.
12074         (may_eliminate_iv): Take data argument.  Use niter_for_exit.  Do not use
12075         number_of_iterations_cond.
12076         (iv_period): New function.
12077         (determine_use_iv_cost_condition): Pass data to may_eliminate_iv.
12078         (may_replace_final_value): Take data argument.  Use
12079         niter_for_single_dom_exit.
12080         (determine_use_iv_cost_outer): Pass data to may_replace_final_value.
12081         (rewrite_use_compare): Pass data to may_eliminate_iv.
12082         (rewrite_use_outer): Pass data to may_replace_final_value.
12083         (free_loop_data): Clean up the niters cache.
12084         (tree_ssa_iv_optimize_finalize): Free the niters cache.
12085         (tree_ssa_iv_optimize_loop): Do not call loop_commit_inserts.
12086         * tree-ssa-loop-niter.c (find_loop_niter): New function.
12087         (find_loop_niter_by_eval): Use tree_int_cst_lt.
12088         (num_ending_zeros): Moved to tree.c.
12089         * tree.h (num_ending_zeros): Declare.
12090         * tree.c (num_ending_zeros): Moved from tree.c.
12091
12092 2005-02-09  Richard Henderson  <rth@redhat.com>
12093
12094         * builtins.c (DEF_BUILTIN): Add COND argument.
12095         * tree.h (DEF_BUILTIN): Likewise.
12096         * builtins.def (DEF_GCC_BUILTIN, DEF_LIB_BUILTIN, DEF_EXT_LIB_BUILTIN,
12097         DEF_C94_BUILTIN, DEF_C99_BUILTIN, DEF_C99_C90RES_BUILTIN): Update to
12098         match.
12099         (DEF_BUILTIN_STUB): New.
12100         (BUILT_IN_STACK_SAVE, BUILT_IN_STACK_RESTORE, BUILT_IN_INIT_TRAMPOLINE,
12101         BUILT_IN_ADJUST_TRAMPOLINE, BUILT_IN_NONLOCAL_GOTO,
12102         BUILT_IN_PROFILE_FUNC_ENTER, BUILT_IN_PROFILE_FUNC_EXIT): Use it.
12103         * c-common.c (DEF_BUILTIN): Add COND argument.
12104         * tree.c (local_define_builtin): New.
12105         (build_common_builtin_nodes): New.
12106
12107 2005-02-09  Roger Sayle  <roger@eyesopen.com>
12108
12109         * fold-const.c (fold_strip_sign_ops): New function to simplify a
12110         floating point expression ignoring the sign of the result.
12111         (fold) <ABS_EXPR>: Use it to simplify fabs(x).
12112         (fold) <MULT_EXPR>: Use it to simplify x*x.
12113         * tree.h (fold_strip_sign_ops): Prototype here.
12114         * builtins.c (fold_builtin_copysign): Take an additional FNDECL
12115         argument.  Use fold_strip_sign_ops to simplify the first argument.
12116         (fold_builtin_pow):  Use fold_strip_sign_ops to simplify the
12117         first argument when the second argument is an even integer
12118         constant, but only with -funsafe_math_optimizations.
12119         (fold_builtin_1): Update call to fold_builtin_copysign.
12120
12121 2005-02-09  Ian Lance Taylor  <ian@airs.com>
12122
12123         PR middle-end/19583
12124         * gimple-low.c (try_catch_may_fallthru): In EH_FILTER_EXPR case,
12125         just check whether EH_FILTER_FAILURE falls through.
12126
12127 2005-02-09  Andreas Krebbel  <krebbel1@de.ibm.com>
12128
12129         * gcc/haifa-sched.c (schedule_block): Make queued sched group
12130         insns return to ready list in the next turn.
12131
12132 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
12133
12134         PR middle-end/19402
12135         * builtins.def: New __builtin_powi[lf].
12136         * builtins.c (mathfn_built_in): Handle BUILT_IN_POWI.
12137         (expand_builtin_powi): New function.
12138         (expand_builtin): Dispatch to expand_builtin_powi.
12139         * libgcc2.h: Add prototypes for __builtin_powi[lf].
12140         * libgcc2.c: Add __builtin_powi[lf] implementation.
12141         * mklibgcc.in: Add __builtin_powi[lf] to lib2funcs.
12142         * optabs.h: Add powi_optab.
12143         * optabs.c (init_optabs): Initialize powi_optab.
12144         * doc/extend.texi: Document __builtin_powi[lf].
12145
12146 2005-02-09  Dorit Naishlos  <dorit@il.ibm.com>
12147
12148         * tree-vectorizer.c (vect_set_dump_settings): Check that dump_file
12149         exists.
12150
12151 2005-02-09  Richard Guenther  <rguenth@gcc.gnu.org>
12152
12153         PR middle-end/19854
12154         * fold-const.c (try_move_mult_to_index): Remove redundant
12155         type argument.  Create ADDR_EXPR with correct type.
12156         (fold): Update callers of try_move_mult_to_index.  Convert
12157         result to the appropriate type.
12158
12159 2005-02-09  Roger Sayle  <roger@eyesopen.com>
12160
12161         PR target/19597
12162         * config/avr/avr.c (default_rtx_costs): Delete.
12163         (avr_operand_rtx_cost): New function.
12164         (avr_rtx_costs): Completely rewrite.
12165
12166 2005-02-08  Hans-Peter Nilsson  <hp@axis.com>
12167
12168         PR target/19806
12169         * config/cris/cris.c (in_code): New variable.
12170         (cris_output_addr_const): Now a static function, a wrapper for
12171         output_addr_const.
12172         (cris_asm_output_symbol_ref): New function, broken out SYMBOL_REF
12173         case from old cris_output_addr_const.
12174         (cris_asm_output_label_ref): Similar for LABEL_REF.
12175         (cris_output_addr_const_extra): Similar for UNSPEC.
12176         * config/cris/cris.h (OUTPUT_ADDR_CONST_EXTRA)
12177         (ASM_OUTPUT_SYMBOL_REF, ASM_OUTPUT_LABEL_REF): Define.
12178         * config/cris/cris-protos.h (cris_output_addr_const): Remove
12179         declaration.
12180         (cris_asm_output_symbol_ref, cris_output_addr_const_extra)
12181         (cris_asm_output_label_ref): Declare.
12182
12183 2005-02-08  Paolo Bonzini  <bonzini@gnu.org>
12184
12185         PR preprocessor/19801
12186         * doc/cppinternals.texi (Conventions, Lexer, Files): Adjust
12187         filenames that changed when libcpp was moved to the toplevel.
12188
12189 2005-02-07  Roger Sayle  <roger@eyesopen.com>
12190
12191         * simplify-rtx.c (simplify_relational_operation_1): Avoid creating
12192         zero extensions of BImode operands.  Call lowpart_subreg instead
12193         of gen_lowpart_common and gen_lowpart_SUBREG.
12194
12195 2005-02-07  Nathanael Nerode  <neroden@gcc.gnu.org>
12196
12197         PR ada/19489
12198         * libada-mk.in: Use cc_for_cross_gnattools, not cc_set_by_configure.
12199         * configure.ac: Set cc_for_cross_gnattools.
12200         * configure: Regenerate.
12201
12202 2005-02-08  Alan Modra  <amodra@bigpond.net.au>
12203
12204         PR target/19803
12205         * predict.c (PROB_VERY_UNLIKELY): Use 1% instead of 10%.
12206
12207 2005-02-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
12208
12209         PR debug/19327
12210         * dbxout.c (dbxout_symbol) <FUNCTION_DECL>: Skip inline instance
12211         of nested functions.
12212
12213 2005-02-07  Jonathan Wakely  <redi@gcc.gnu.org>
12214
12215         * doc/extend.texi: Document deprecated extensions allowing
12216         static floating-point members to have initializers and allowing
12217         floating-point literals in integral constant expressions.
12218
12219 2005-02-07  Kazu Hirata  <kazu@cs.umass.edu>
12220
12221         * cfgcleanup.c, df.h, diagnostic.c, rtl.c, tree-vectorizer.h,
12222         config/darwin7.h, config/mips/mips.c,
12223         config/rs6000/altivec.md, config/rs6000/darwin-tramp.asm:
12224         Update copyright.
12225
12226         * cse.c: Update comments.
12227
12228 2005-02-07  Richard Guenther  <rguenth@gcc.gnu.org>
12229
12230         PR middle-end/19775
12231         * builtins.c (fold_builtin_sqrt): Transform
12232         sqrt(pow(x,y)) to pow(fabs(x),y*0.5), not
12233         pow(x,y*0.5).
12234
12235 2005-02-07  Leehod Baruch  <leehod@il.ibm.com>
12236             Dorit Naishlos  <dorit@il.ibm.com>
12237
12238         * doc/invoke.texi (ftree-vectorizer-verbose): New.
12239         * opts.c (OPT_ftree_vectorizer_verbose_): New case for switch.
12240         * common.opt (ftree-vectorizer-verbose): New Flag for the vectorizer
12241         was added.
12242         * tree.h (vect_set_verbosity_level): New extern function declaration
12243         added.
12244         * tree-vectorizer.h (verbosity_levels): New enum type.
12245         * tree-vectorizer.c (vect_debug_stats): Function removed.
12246         (vect_debug_details): Likewise.
12247         (vect_verbosity_level): Global variable was defined and initialized.
12248         (vect_dump): Global variable definition.
12249         (vect_print_dump_info): New function.
12250         (vect_set_dump_settings): New function.
12251         (vect_set_verbosity_level): New function.
12252         (vectorize_loops): Add call to vect_set_dump_settings.
12253
12254         (slpeel_make_loop_iterate_ntimes): Dump condition was changed.
12255         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
12256         (slpeel_tree_peel_loop_to_edge): Likewise.
12257
12258         (vect_analyze_offset_expr): Call to vect_print_dump_info with
12259         appropriate verbosity level instead of call to vect_debug_details
12260         or vect_debug_stats.
12261         (vect_get_base_and_offset):
12262         (vect_create_addr_base_for_vector_ref):
12263         (get_vectype_for_scalar_type):
12264         (vect_create_data_ref_ptr):
12265         (vect_init_vector):
12266         (vect_get_vec_def_for_operand):
12267         (vect_finish_stmt_generation):
12268         (vectorizable_assignment):
12269         (vectorizable_operation):
12270         (vectorizable_store):
12271         (vectorizable_load):
12272         (vect_transform_stmt):
12273         (vect_update_ivs_after_vectorizer):
12274         (vect_do_peeling_for_loop_bound):
12275         (vect_update_inits_of_drs):
12276         (vect_do_peeling_for_alignment):
12277         (vect_transform_loop):
12278         (vect_is_simple_use):
12279         (vect_analyze_operations):
12280         (vect_is_simple_iv_evolution):
12281         (vect_analyze_scalar_cycles):
12282         (vect_analyze_data_ref_dependence):
12283         (vect_analyze_data_ref_dependences):
12284         (vect_compute_data_ref_alignment):
12285         (vect_enhance_data_refs_alignment):
12286         (vect_analyze_data_refs_alignment):
12287         (vect_analyze_data_ref_access):
12288         (vect_analyze_data_ref_accesses):
12289         (vect_analyze_pointer_ref_access):
12290         (vect_get_memtag_and_dr):
12291         (vect_analyze_data_refs):
12292         (vect_mark_relevant):
12293         (vect_stmt_relevant_p):
12294         (vect_mark_stmts_to_be_vectorized):
12295         (vect_can_advance_ivs_p):
12296         (vect_get_loop_niters):
12297         (vect_analyze_loop_form):
12298         (vect_analyze_loop):
12299         (vectorize_loops): Likewise.
12300
12301         (vect_do_peeling_for_loop_bound): Dump format slightly changed.
12302         (vect_update_inits_of_drs):
12303         (vect_do_peeling_for_alignment):
12304         (vect_transform_loop):
12305         (vect_analyze_operations):
12306         (vect_analyze_scalar_cycles):
12307         (vect_analyze_data_ref_dependences):
12308         (vect_analyze_data_refs_alignment):
12309         (vect_analyze_data_ref_accesses):
12310         (vect_analyze_data_refs):
12311         (vect_mark_stmts_to_be_vectorized):
12312         (vect_get_loop_niters):
12313         (vect_analyze_loop_form):
12314         (vect_analyze_loop): Likewise.
12315         (vect_mark_stmts_to_be_vectorized): Add call to print_generic_expr.
12316
12317 2005-02-07  Richard Sandiford  <rsandifo@redhat.com>
12318
12319         PR bootstrap/19796
12320         Revert:
12321         2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
12322         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
12323         either -ffast-math or -funsafe-math-optimizations is in use.
12324
12325         2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
12326         * config/mips/irix-csr.c: New file.
12327         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
12328         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
12329         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
12330         executables.
12331
12332 2005-02-07  Alexandre Oliva  <aoliva@redhat.com>
12333
12334         * config/mn10300/linux.h (LIB_SPEC, STARTFILE_SPEC): Remove
12335         redundant, incorrect definitions.
12336
12337         * config/frv/frv.md ("tls_indirect_call"): Turn into libcall-like
12338         expand.
12339         ("*tls_indirect_call"): New, reference hard regs directly.
12340         * config/frv/frv.c (gen_inlined_tls_plt): Adjust.
12341
12342 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
12343
12344         * config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC):
12345         Let !-mhard-float !-msoft-float imply -mfpu=softfpa.
12346
12347 2005-02-06  Roger Sayle  <roger@eyesopen.com>
12348
12349         PR rtl-optimization/19800
12350         * simplify_rtx.c (simplify_relational_operation_1): Explicitly
12351         call gen_lowpart_common and gen_lowpart_SUBREG instead of calling
12352         gen_lowpart.
12353
12354 2005-02-07  Ralf Corsepius  <ralf.corsepius@rtems.org>
12355
12356         * config/m68k/t-rtems (MULTILIB_MATCHES): Let m528x match m5200.
12357
12358 2005-02-07  Joseph S. Myers  <joseph@codesourcery.com>
12359
12360         PR other/17135
12361         * doc/invoke.texi: Correct documentation of -freorder-functions.
12362
12363 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
12364
12365         PR other/14402
12366         * doc/invoke.texi: Don't mention gccbug.
12367
12368 2005-02-06  Roger Sayle  <roger@eyesopen.com>
12369             Andrew Pinski  <pinskia@physics.uc.edu>
12370             Paolo Bonzini  <paolo.bonzini@lu.unisi.ch>
12371
12372         * simplify-rtx.c (simplify_relational_operation_1): Simplify
12373         (ne:SI (zero_extract:SI FOO (const_int 1) BAR) (const_int 0))
12374         into just (zero_extract:SI FOO (const_int 1) BAR).
12375
12376 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
12377
12378         * doc/cpp.texi: Include gcc-common.texi.  Don't define gcctabopt
12379         macro locally.  Don't give last revision date.  Use GCC version
12380         number from gcc-common.texi.
12381         * doc/cppinternals.texi: Include gcc-common.texi.  Don't give last
12382         revision date.  Use GCC version number from gcc-common.texi.
12383         Describe being a library as current state rather than as 3.x
12384         history.
12385         * doc/gcc.texi: Remove last update date.
12386         * doc/gccint.texi: Likewise.  Update copyright dates.
12387         * doc/install.texi: Update copyright dates.
12388
12389 2005-02-06  Joseph S. Myers  <joseph@codesourcery.com>
12390
12391         PR other/7549
12392         * doc/invoke.texi: Mention for each option included in -Wall that
12393         it is included in -Wall.
12394         * doc/gcc.texi: Update copyright and last modification date.
12395
12396 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
12397
12398         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Do not add
12399         unnecessary cast to original induction variable increments.
12400
12401 2005-02-06  Zdenek Dvorak  <dvorakz@suse.cz>
12402
12403         PR tree-optimization/18219
12404         * tree-ssa-loop-ivopts.c (get_computation_at): Produce computations
12405         in distributed form.
12406
12407 2005-02-06  Richard Sandiford  <rsandifo@redhat.com>
12408
12409         * expmed.c (store_bit_field): Make the SUBREG code adjust bitnum.
12410         Set bitpos and offset later in the function.  Do nothing if the
12411         target is a register and if the bitfield lies completely outside
12412         that register.
12413         (extract_bit_field): Make the same SUBREG, bitpos and offset changes
12414         here.  Return an uninitialised register if the source value is stored
12415         in a register and the bitfield lies completely outside that register.
12416
12417 2005-02-06  Steven Bosscher  <stevenb@suse.de>
12418
12419         * df.c (df_insn_refs_record): Use XEXP to get the operand of a USE,
12420         not SET_DEST.
12421
12422 2005-02-06  Marcin Dalecki  <martin@dalecki.de>
12423
12424         * diagnostic.c (default_diagnostic_finalizer): Fix use of attribute.
12425
12426 2005-02-06  Geoffrey Keating  <geoffk@apple.com>
12427
12428         * config.gcc (*-*-darwin*): Separate darwin7 and darwin8 configs.
12429         * config/darwin8.h: New.
12430         * config/darwin7.h: Update comment.
12431
12432 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
12433             Dorit Naishlos  <dorit@il.ibm.com>
12434
12435         * tree-vectorizer.h (LOC): New type.
12436         (UNKNOWN_LOC, EXPR_LOC, LOC_FILE, LOC_LINE): New macros.
12437         (loop_line_number): New field in struct _loop_vec_info.
12438         (LOOP_VINFO_LOC, LOOP_LOC): New macros.
12439
12440         * tree-vectorizer.c (input.h): Included.
12441         (find_loop_location): New function.
12442         (vect_debug_stats): Argument changed from loop to LOC. Computation of
12443         loop line number removed.
12444         (vect_debug_details): Likewise.
12445         (new_loop_vec_info): Initialize new field LOOP_VINFO_LOC.
12446
12447         (slpeel_make_loop_iterate_ntimes): Call find_loop_location. Argument in
12448         call to vect_debug_details/stats changed from loop to loop_loc.
12449         (slpeel_tree_duplicate_loop_to_edge_cfg): Likewise.
12450         (slpeel_tree_peel_loop_to_edge): Likewise.
12451
12452         (vect_analyze_offset_expr): Argument in call to vect_debug_details/stats
12453         changed from NULL to UNKNOWN_LOC.
12454         (vect_get_base_and_offset):
12455         (vect_create_addr_base_for_vector_ref):
12456         (get_vectype_for_scalar_type):
12457         (vect_create_data_ref_ptr):
12458         (vect_init_vector):
12459         (vect_get_vec_def_for_operand):
12460         (vect_finish_stmt_generation):
12461         (vectorizable_assignment):
12462         (vectorizable_operation):
12463         (vectorizable_store):
12464         (vectorizable_load):
12465         (vect_transform_stmt):
12466         (vect_update_ivs_after_vectorizer):
12467         (vect_do_peeling_for_loop_bound):
12468         (vect_do_peeling_for_alignment):
12469         (vect_transform_loop):
12470         (vect_is_simple_use):
12471         (vect_analyze_operations):
12472         (vect_is_simple_iv_evolution):
12473         (vect_analyze_scalar_cycles):
12474         (vect_analyze_data_ref_dependences):
12475         (vect_compute_data_ref_alignment):
12476         (vect_enhance_data_refs_alignment):
12477         (vect_analyze_data_ref_access):
12478         (vect_analyze_data_ref_accesses):
12479         (vect_analyze_pointer_ref_access):
12480         (vect_get_memtag_and_dr):
12481         (vect_analyze_data_refs):
12482         (vect_mark_relevant):
12483         (vect_stmt_relevant_p):
12484         (vect_mark_stmts_to_be_vectorized):
12485         (vect_can_advance_ivs_p):
12486         (vect_get_loop_niters):
12487         (vect_analyze_loop):
12488         (vectorize_loops): Likewise.
12489
12490         (vectorizable_load): Argument in call to vect_debug_details/stats
12491         changed from loop to LOOP_LOC (loop_vinfo).
12492         (vect_transform_loop):
12493         (vect_analyze_operations):
12494         (vect_analyze_scalar_cycles):
12495         (vect_analyze_data_ref_dependence):
12496         (vect_enhance_data_refs_alignment):
12497         (vect_analyze_data_ref_accesses):
12498         (vect_analyze_pointer_ref_access):
12499         (vect_analyze_data_refs):
12500         (vect_analyze_loop): Likewise.
12501
12502         (vect_analyze_loop_form): Argument in call to vect_debug_details/stats
12503         changed from loop to loop_loc.
12504
12505         (vect_enhance_data_refs_alignment): Removed unused variable loop.
12506
12507 2005-02-03  Leehod Baruch  <leehod@il.ibm.com>
12508             Dorit Naishlos  <dorit@il.ibm.com>
12509
12510         * tree-vectorizer.c (vect_analyze_data_ref_dependence): Function
12511         declaration added.
12512         (vect_analyze_data_ref_dependences): Likewise.
12513
12514         (vect_is_simple_use): Argument changed from loop structure to
12515         loop_vect_info structure.
12516         (vect_can_advance_ivs_p): Likewise.
12517         (vect_create_index_for_vector_ref): Likewise.
12518         (vect_update_ivs_after_vectorizer): Likewise.
12519         (new_stmt_vec_info): Likewise.
12520
12521         (new_loop_vec_info): Second argument in call to new_stmt_vec_info was
12522         changed from loop to loop_vinfo.
12523         (vect_create_data_ref_ptr): First argument in call to
12524         vect_create_index_for_vector_ref was changed from loop to loop_vinfo.
12525         (vectorizable_assignment): Second argument in call to vect_is_simple_use
12526         was changed from loop to loop_vinfo.
12527         (vectorizable_operation): Likewise.
12528         (vectorizable_store): Likewise.
12529         (vect_mark_stmts_to_be_vectorized): Likewise.
12530         (vect_do_peeling_for_loop_bound): First argument in call to
12531         vect_update_ivs_after_vectorizer was changed from loop to loop_vinfo.
12532         (vect_analyze_operations): Argument in call to vect_can_advance_ivs_p
12533         was changed from loop to loop_vinfo.
12534         (vect_analyze_data_ref_dependences): Third argument in call to
12535         vect_analyze_data_ref_dependence was changed from loop to loop_vinfo.
12536
12537         (vect_create_index_for_vector_ref): Get the loop from loop_vinfo.
12538         (vect_create_data_ref_ptr): Likewise.
12539         (vect_init_vector): Likewise.
12540         (vect_get_vec_def_for_operand): Likewise.
12541         (vectorizable_assignment): Likewise.
12542         (vectorizable_operation): Likewise.
12543         (vectorizable_store): Likewise.
12544         (vectorizable_load): Likewise.
12545         (vect_update_ivs_after_vectorizer): Likewise.
12546         (vect_is_simple_use): Likewise.
12547         (vect_analyze_data_ref_dependence): Likewise.
12548         (vect_analyze_pointer_ref_access): Likewise.
12549         (vect_can_advance_ivs_p): Likewise.
12550
12551         * tree-vectorizer.h: (_loop_vec_info): Definition and macros moved
12552         before _stmt_vec_info.
12553         (_stmt_vec_info): Loop field replaced by loop_vec_info.
12554         (STMT_VINFO_LOOP): Replaced with STMT_VINFO_LOOP_VINFO.
12555         (new_stmt_vec_info): Argument changed from loop structure to
12556         loop_vect_info structure
12557
12558         (vect_analyze_data_ref_dependences): Unnecessary line was removed.
12559         (vect_analyze_offset_expr): Avoid 80 columns overflow.
12560         (vect_create_addr_base_for_vector_ref): Likewise.
12561         (vect_analyze_pointer_ref_access): Likewise.
12562
12563 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
12564
12565         PR tree-opt/19768
12566         * tree-ssa-dse.c (fix_phi_uses): Update the occurs in abnormal
12567         phi flag if the phi is abnormal.
12568
12569 2005-02-03  Andrew Pinski  <pinskia@physics.uc.edu>
12570
12571         PR tree-opt/19736
12572         * tree-ssa.c (replace_immediate_uses): Update the immediate_uses
12573         information for the new statement.
12574
12575 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
12576
12577         PR driver/19117
12578         * gcc.c (main): Include the target in -v output.
12579
12580 2005-02-03  Alexandre Oliva  <aoliva@redhat.com>
12581
12582         * combine.c (simplify_comparison, case SIGN_EXTEND, ZERO_EXTEND):
12583         Do not drop the extend if we'd have to add a paradoxical subreg
12584         later.  Include optabs.h and insn-codes.h.
12585         * Makefile.in (combine.o): Depend on $(OPTABS_H).
12586
12587 2005-02-02  Roger Sayle  <roger@eyesopen.com>
12588
12589         PR middle-end/19405
12590         * real.h (REAL_MODE_FORMAT_COMPOSITE_P): New macro.
12591         * fold-const.c (const_binop): Avoid constant folding floating
12592         point operations in modes that use composite representations.
12593         * simplify-rtx.c (simplify_binary_operation): Likewise.
12594
12595 2005-02-02  Geoffrey Keating  <geoffk@apple.com>
12596
12597         * config/rs6000/altivec.md (altivec_dst): Make the first operand
12598         a REG, not a MEM.
12599         (altivec_dstt): Likewise.
12600         (altivec_dstst): Likewise.
12601         (altivec_dststt): Likewise.
12602         * config/rs6000/rs6000.c (altivec_expand_dst_builtin): Adjust creation
12603         of first operand.
12604
12605 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
12606
12607         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Copy
12608         EXPR_LOCUS from orig_cond to the new cond_stmt.
12609         (vect_finish_stmt_generation): Copy EXPR_LOCUS from stmt to
12610         the new vec_stmt.
12611
12612 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
12613
12614         * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Call
12615         standard_iv_increment_position. Remove call to bsi_next
12616         (no need to bump the iterator anymore).
12617         (vect_create_index_for_vector_ref): Call
12618         standard_iv_increment_position. Remove second function argument.
12619         (vect_finish_stmt_generation): Remove call to bsi_next
12620         (no need to bump the iterator anymore).
12621         (vect_create_data_ref_ptr): Remove second argument (bsi) in call
12622         to vect_create_index_for_vector_ref.
12623
12624 2005-02-03  Dorit Naishlos  <dorit@il.ibm.com>
12625
12626         * tree-vectorizer.c (vect_mark_stmts_to_be_vectorized): Check if
12627         phis are used out of the loop.
12628
12629 2005-02-03  Joseph S. Myers  <joseph@codesourcery.com>
12630
12631         PR c/17807
12632         * c-decl.c (undef_nested_function): New variable.
12633         (pop_scope): Diagnose undefined nested functions.
12634         (finish_function): Don't attempt cgraph processing or genericizing
12635         if current top-level function contained an undefined nested
12636         function.  Reset undef_nested_function at the end of a top-level
12637         function.
12638
12639 2005-02-02  Zdenek Dvorak  <dvorakz@suse.cz>
12640
12641         * tree.c (build_int_cst_type): Take sign of the value into account
12642         when deciding whether sign extend the value.
12643
12644 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
12645
12646         PR c/18502
12647         * gcc.c (cpp_unique_options): Remove %{trigraphs}.
12648         (cpp_options, cc1_options): Change %{std*&ansi} to
12649         %{std*&ansi&trigraphs}.
12650
12651 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
12652
12653         * cse.c: Update comments.
12654
12655 2005-02-02  Aldy Hernandez  <aldyh@redhat.com>
12656
12657         * config/rs6000/rs6000.c (rs6000_spe_function_arg): Multi-reg
12658         arguments go on the stack.  Do not put complex doubles in odd/even
12659         pairs.
12660
12661 2005-02-02  Steven Bosscher  <stevenb@suse.de>
12662
12663         * doc/invoke.texi: Update the options enabled at -O1, -O2,
12664         and -O3.  Update the documentation for -fgcse-sm, -fgcse-las,
12665         -ftree-pre, and -fthread-jumps.
12666
12667 2005-02-02  Richard Sandiford  <rsandifo@redhat.com>
12668
12669         PR tree-optimization/19578
12670         * tree-flow.h (modified_noreturn_calls): Declare.
12671         (noreturn_call_p): Declare.
12672         * tree-flow-inline.h (noreturn_call_p): New function.
12673         (modify_stmt): Add modified noreturn calls to modified_noreturn_calls.
12674         * tree-cfg.c (modified_noreturn_calls): New variable.
12675         (cleanup_control_flow): Use noreturn_call_p.  Split basic blocks
12676         that contain a mid-block noreturn call.
12677         * tree-ssa.c (delete_tree_ssa): Clear modified_noreturn_calls.
12678
12679 2005-02-02  Kazu Hirata  <kazu@cs.umass.edu>
12680
12681         * df.c (df_def_record_1, df_uses_record): Don't use
12682         DF_FOR_REGALLOC.
12683         * df.h (DF_FOR_REGALLOC): Remove.
12684
12685 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
12686
12687         PR c/19435
12688         * c-typeck.c (really_start_incremental_init): Reset
12689         constructor_max_index for arrays of incomplete type.
12690
12691 2005-02-02  Jeff Law  <law@redhat.com>
12692
12693         * gcse.c (struct reg_set): Store the block index where the register
12694         was set rather than the setting insn.
12695         (record_one_set, compute_transp): Corresponding changes.
12696         (pre_insert_copy_insn): Do not call replace_one_set.
12697         (replace_one_set): Remove.
12698
12699 2005-02-02  Joseph S. Myers  <joseph@codesourcery.com>
12700
12701         PR other/15514
12702         * doc/gcov.texi: Fix typo.
12703
12704 2005-02-01  Richard Henderson  <rth@redhat.com
12705
12706         PR target/19680
12707         * config/i386/i386.h (MODES_TIEABLE_P): Use ix86_modes_tieable_p.
12708         * config/i386/i386.c (ix86_hard_regno_mode_ok): Change return
12709         type to bool.
12710         (ix86_tieable_integer_mode_p, ix86_modes_tieable_p): New.
12711         * config/i386/i386-protos.h: Update.
12712
12713 2005-02-01  Steven Bosscher  <stevenb@suse.de>
12714
12715         PR tree-optimization/19217
12716         * tree-cfg.c (verify_expr): Use the data field to see if TP was
12717         seen inside a PHI node.  Do not do the ADDR_EXPR check if it was.
12718         (verify_stmts): Pass (void*)1 as data to verify_expr to signal
12719         that it is walking a PHI node.
12720
12721 2005-02-01  Joseph S. Myers  <joseph@codesourcery.com>
12722
12723         * doc/extend.texi (Nested Functions): Update.
12724
12725 2005-02-01  Richard Henderson  <rth@redhat.com>
12726
12727         PR 19696
12728         * optabs.c (expand_copysign_absneg): Export.
12729         * optabs.h (expand_copysign_absneg): Declare.
12730         * config/rs6000/rs6000.md (copysigntf3): New.
12731
12732 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
12733
12734         PR tree-optimization/19633
12735         * tree-flow.h (struct ptr_info_def): Add field 'pt_null'.
12736         * tree-ssa-alias.c (init_alias_info): Initialize.
12737         (merge_pointed_to_info): Set.
12738         (add_pointed_to_expr): Set pt_null if EXPR is a NULL pointer.
12739         (dump_points_to_info_for): Show value of pt_null.
12740         (struct count_ptr_d): Declare.
12741         (find_ptr_dereference): Remove.
12742         (ptr_is_dereferenced_by): Remove.
12743         (count_ptr_derefs): New local function.
12744         (count_uses_and_derefs): New local function.
12745         (compute_points_to_and_addr_escape): Call it.  If the number
12746         of dereferences is greater than zero, mark the pointer as
12747         dereferenced.  If there are fewer dereferences than uses of
12748         the pointer, the pointer's value escapes.
12749
12750 2005-02-01  Diego Novillo  <dnovillo@redhat.com>
12751
12752         PR tree-optimization/19670
12753         * tree-ssa.c (verify_ssa_name): Don't set TREE_VISITED
12754         here...
12755         (verify_use): ... set it here, instead.
12756
12757 2005-02-01  Janis Johnson  <janis187@us.ibm.com>
12758
12759         * doc/sourcebuild.texi (Test directives): Fix formatting.
12760
12761         * doc/sourcebuild.texi (Test directives): Describe selector
12762         expressions.
12763
12764 2005-02-01  Segher Boessenkool  <segher@kernel.crashing.org>
12765
12766         * config.gcc (powerpc64-*-linux*): Default to -m64 also for
12767         specific 64-bit CPUs.
12768
12769 2005-02-01  Richard Earnshaw  <rearnsha@arm.com>
12770
12771         PR target/16201
12772         * arm.c (arm_eliminable_register): New function.
12773         (adjacent_mem_locations): Don't allow eliminable registers.  Use
12774         HOST_WIDE_INT for address offsets.
12775         * arm-protos.h (arm_eliminable_register): Add prototype.
12776
12777 2005-02-01  Steven Bosscher  <stevenb@suse.de>
12778
12779         PR optimization/15242
12780         * params.def (PARAM_MAX_GOTO_DUPLICATION_INSNS): New param.
12781         * basic-block.h (duplicate_computed_gotos): Add prototype.
12782         * bb-reorder.c (duplicate_computed_gotos): New function to
12783         duplicate sufficiently small blocks ending in a computed jump.
12784         * passes.c (rest_of_compilation): Call duplicate_computed_gotos
12785         if not optimizing for size.
12786         * cfgcleanup.c (try_crossjump_bb): If not optimizing for size,
12787         never do tail merging for blocks ending in a computed jump.
12788         * doc/invoke.texi: Document the max-goto-duplication-insns param.
12789
12790 2005-02-01  Eric Botcazou  <ebotcazou@libertysurf.fr>
12791
12792         Patch from Richard Sandiford <rsandifo@redhat.com>
12793         * reload1.c (choose_reload_regs): Prevent the find_equiv_reg() code
12794         from inheriting a subreg equivalence with a non-spill register.
12795
12796         * tree.h (DECL_FUNCTION_CODE): Document that it is overloaded.
12797
12798 2005-02-01  Alexandre Oliva  <aoliva@redhat.com>
12799
12800         * config/frv/frv.c (movcc_fp_destination_operand): New.
12801         (gpr_or_memory_operand): Fix typo in comment.
12802         (gpr_or_memory_operand_with_scratch): New.
12803         * config/frv/frv.h (PREDICATE_CODES): Add the two new predicates.
12804         * config/frv/frv.md (movcc_fp, movcc_fp_internal): Use
12805         movcc_fp_destination_operand.
12806         (reload_incc_fp): Use gpr_or_memory_operand_with_scratch.
12807         Legitimize memory addresses using a scratch register.
12808
12809 2005-01-31  Jeff Law  <law@redhat.com>
12810
12811         * tree-into-ssa.c (mark_def_sites_global_data): Make KILLS
12812         bitmap a sparse bitmap instead of a simple bitmap.
12813         (mark_def_sites_initialize_block):  Corresponding changes.
12814         (ssa_mark_def_sites_initialize_block): Likewise.
12815         (ssa_mark_phi_uses): Likewise.
12816         (mark_def_site, ssa_mark_def_sites): Likewise.
12817         (mark_def_site_blocks): Likewise.
12818         (rewrite_ssa_into_ssa): Likewise.
12819
12820         * tree-ssa-dom.c (record_cond): Pass correct variable type
12821         for last argument to htab_find_slot_with_hash.
12822
12823         * fold-const.c (fold, case CEIL_MOD_EXPR): Do not lose side
12824         effects when optimizing 0 % X.  Do not try to optimize X % 0.
12825
12826 2005-01-31  James E. Wilson  <wilson@specifixinc.com>
12827
12828         * config/ia64/itanium1.md (1_scall bypass): Change 2_mmalua to
12829         1_mmalua.
12830
12831 2005-02-01  Eric Christopher  <echristo@redhat.com>
12832
12833         * config/mips/mips.c (override_options): Warn if -mint64
12834         is used.
12835         * doc/invoke.texi (MIPS Options): Document that -mint64 is
12836         deprecated.
12837
12838 2005-02-01  Kazu Hirata  <kazu@cs.umass.edu>
12839
12840         * cse.c (cse_reg_info): Remove hash_next, next, regno.  Add
12841         timestamp.
12842         (cse_reg_info_list, cse_reg_info_list_free, REGHASH_SHIFT,
12843         REGHASH_SIZE, REGHASH_MASK, reg_hash, REGHASH_FN,
12844         cached_cse_reg_info, GET_CSE_REG_INFO): Remove.
12845         (cached_regno): Initialize to INVALID_REGNUM.
12846         (cse_reg_info_table_size,
12847         cse_reg_info_table_first_uninitialized,
12848         cse_reg_info_timestamp): New.
12849         (REG_TICK, REG_IN_TABLE, SUBREG_TICKED, REG_QTY): Use
12850         get_cse_reg_info.
12851         (init_cse_reg_info, get_cse_reg_info_1): New.
12852         (get_cse_reg_info): Cache the last look-up.
12853         (new_basic_block): Update the code to clear mappings from
12854         registers to cse_reg_info entries.
12855         (cse_main): Call init_cse_reg_info.
12856
12857         * cse.c (get_cse_reg_info): Update a comment.
12858
12859 2005-01-31  Steven Bosscher  <stevenb@suse.de>
12860
12861         PR c/19333
12862         * c-decl.c (start_decl): Do not warn about arrays of elements with
12863         an incomplete type here.
12864         (grokdeclarator): Do it here by making a pedwarn an error.
12865         * c-typeck.c (push_init_level): If there were previous errors with
12866         the constructor type, do not warn about braces for initializers.
12867         (process_init_element): Likewise for excess initializer elements.
12868
12869 2005-01-31  Kazu Hirata  <kazu@cs.umass.edu>
12870
12871         * cse.c (delete_trivially_dead_insn): Don't iterate.
12872
12873 2005-01-31  Andrew Pinski  <pinskia@physics.uc.edu>
12874
12875         * config/rs6000/rs6000.md (copysignsf3): New expand.
12876         (copysigndf3): Likewise.
12877
12878 2005-01-31  Steven Bosscher  <stevenb@suse.de>
12879
12880         * recog.c (constrain_operands): Only look for earlyclobber operand
12881         conflicts if an '&' constraint was seen.
12882
12883 2005-01-31  Marc Espie <espie@openbsd.org>
12884
12885         * config.gcc: Don't include embedded systems fragment, switches default
12886         debugging format to ELF.
12887         * config/i386/openbsdelf.h: Add DBX_REGISTER_NUMBER since we no
12888         longer pick it up there.
12889
12890 2005-01-31  Dale Johannesen  <dalej@apple.com>
12891
12892         * doc/extend.texi (nested functions): Fix linkage description.
12893         Clarify that static is not allowed.
12894
12895 2005-01-31  Dale Johannesen  <dalej@apple.com>
12896
12897         * config/rs6000/darwin.md (movsf_low_di):  Make work.
12898         (movdf_low_di):  Make work.
12899
12900 2005-01-31  Dale Johannesen  <dalej@apple.com>
12901
12902         * config/rs6000/darwin-tramp.asm (__trampoline_setup):
12903         Make work for 64 bit.
12904
12905 2005-01-31  Roger Sayle  <roger@eyesopen.com>
12906             Dale Johannesen  <dalej@apple.com>
12907
12908         PR middle-end/19650
12909         * fold-const.c (fold_binary_op_with_conditional_arg):
12910         Make types match original operands, before STRIP_NOPS.
12911
12912 2005-01-31  Alan Modra  <amodra@bigpond.net.au>
12913
12914         * config/rs6000/linux-unwind.h (struct gcc_vregs): New.
12915         (struct gcc_regs): Rename from gcc_pt_regs.  Add more regs.
12916         (struct gcc_sigcontext): Delete.  Merge contents to..
12917         (struct gcc_ucontext): ..here.
12918         (get_sigcontext): Delete.
12919         (get_regs): New function, like get_sigcontext but return regs ptr.
12920         64-bit version finds regs from r1 to support vdso.
12921         (ppc_linux_aux_vector): New function.
12922         (ppc_fallback_frame_state): Modify for get_regs.  Restore fprs
12923         and vector regs.
12924
12925 2005-01-31  Ira Rosen  <irar@il.ibm.com>
12926
12927         * tree-vectorizer.c (vect_analyze_offset_expr): Use ssizetype instead
12928         sizetype.
12929         (vect_get_base_and_offset): Use ssizetype instead sizetype. Remove
12930         redundant fold. Fix misalignment for MINUS_EXPR.
12931         (vect_compute_data_ref_alignment): Use ssizetype instead sizetype.
12932         (vect_analyze_pointer_ref_access): Likewise.
12933         (vect_get_memtag_and_dr): Likewise.
12934
12935 2005-01-31  Richard Henderson  <rth@redhat.com>
12936
12937         * config/i386/i386.c (absnegsf2_mixed): Remove all of the # hackery.
12938         (absnegsf2_sse, absnegsf2_i387, absnegdf2_mixed, absnegdf2_sse,
12939         absnegdf2_i387, absnegxf2_i387): Likewise.
12940
12941 2005-01-31  Richard Henderson  <rth@redhat.com>
12942
12943         PR 19696
12944         * optabs.c (expand_copysign_absneg): New.
12945         (expand_copysign_bit): Split out from ...
12946         (expand_copysign): ... here.  Use expand_copysign_absneg.
12947
12948 2005-01-30  Roger Sayle  <roger@eyesopen.com>
12949
12950         PR middle-end/19697
12951         * config/pa/pa.md (anddi3, iordi3): On HPPA64, disallow an integer
12952         constant as the second operand and a register as the third.
12953
12954 2005-01-31  Danny Smith  <dannysmith@users.sourceforge.net>
12955
12956         PR target/19704
12957         * config/i386/i386.c (ix86_function_ok_for_sibcall):  Also check
12958         that dllimport'd functions do not use all call-clobbered registers
12959         to pass parameters.
12960
12961 2005-01-30  Richard Henderson  <rth@redhat.com>
12962
12963         PR 19696
12964         * optabs.c (expand_absneg_bit): Split out from expand_unop and
12965         expand_abs_nojump and generalize.  Use operand_subword and
12966         emit_no_conflict_block.  Support large modes.
12967         (expand_abs_nojump): Use it.  Use HONOR_SIGNED_ZEROS to fall
12968         back to maximum.
12969         (expand_unop): Likewise.  Use HONOR_SIGNED_ZEROS to fall back
12970         negation to subtraction.
12971         (expand_copysign): Check that the format has signed zeros.
12972         Use operand_subword and emit_no_conflict_block.  Support large modes.
12973
12974 2005-01-30  Daniel Berlin  <dberlin@dberlin.org>
12975
12976         Fix PR tree-optimization/19624
12977
12978         * Makefile.in (tree-ssa-pre.o): Add CFGLOOP_H.
12979         * tree-ssa-pre.c: Add cfgloop.h.
12980         Update comment.
12981         (pre_stats): New member, constified.
12982         (inserted_exprs): New static variable.
12983         (NECESSARY): New macro.
12984         (create_expression_by_pieces): Fold the expression, and
12985         mark it as defaulting to not necessary. Also put in
12986         inserted_exprs.
12987         (fully_constant_expression): New function.
12988         (insert_into_preds_of_block): Modify to not insert phis when we
12989         are playing with induction variables.
12990         Push phis onto the inserted_exprs vector, and mark them as not
12991         necessary by default.
12992         (insert_aux): Call fully_constant_expression on eprime.
12993         If all edges produce the same value, mark it constant.
12994         (mark_operand_necessary): New function.
12995         (remove_dead_inserted_code): New function.
12996         (init_pre): Init loop optimizer to get loop info.
12997         (fini_pre): Free loop_optimizer, and inserted_exprs vec.
12998         (execute_pre): Commit edge inserts, then remove dead code.
12999
13000 2005-01-30  Richard Henderson  <rth@redhat.com>
13001
13002         * rtl.c (rtx_equal_p): No early exit for CONST_VECTOR.
13003         * varasm.c (const_rtx_hash_1): Handle CONST_VECTOR.
13004
13005 2005-01-30  Richard Henderson  <rth@redhat.com>
13006
13007         PR target/19700
13008         * config/i386/i386.c (ix86_expand_copysign): New.
13009         (ix86_split_copysign_const): New.
13010         (ix86_split_copysign_var): Rename from ix86_split_copysign,
13011         rearrange op1/nmask operands.
13012         * config/i386/i386-protos.h: Update.
13013         * config/i386/i386.md (copysignsf3): Use ix86_expand_copysign.
13014         (copysigndf3): Likewise.
13015         (copysignsf3_const, copysigndf3_const): New.
13016         (copysignsf3_var): Rename from copysignsf3, split out splitter
13017         and fix split predicate for X constraint.
13018         (copysigndf3_var): Similarly.
13019
13020 2005-01-30  Kazu Hirata  <kazu@cs.umass.edu>
13021
13022         * optabs.c, doc/c-tree.texi, doc/install.texi, doc/md.texi,
13023         doc/passes.texi, doc/rtl.texi, doc/sourcebuild.texi,
13024         doc/tm.texi, doc/tree-ssa.texi: Update copyright.
13025
13026 2005-01-29  Richard Henderson  <rth@redhat.com>
13027
13028         PR target/19690
13029         * config/i386/i386.md (movdf_nointeger, movdf_integer): Fix ordering
13030         of # and * in constraints.
13031
13032 2005-01-29  Richard Henderson  <rth@redhat.com>
13033
13034         PR middle-end/19689
13035         * expr.c (store_field): Don't strip sub-mode cast when the input
13036         data is even smaller.
13037
13038 2005-01-29  Richard Henderson  <rth@redhat.com>
13039
13040         PR middle-end/19687
13041         * expr.c (categorize_ctor_elements_1): Check for CONSTRUCTOR of a
13042         union being empty.
13043
13044 2005-01-29  Richard Henderson  <rth@redhat.com>
13045
13046         * combine.c (make_field_assignment): Fix argument order
13047         to gen_int_mode.
13048
13049 2005-01-29  Richard Guenther <richard.guenther@uni-tuebingen.de>
13050
13051         PR tree-optimization/15791
13052         * fold-const.c (extract_array_ref): New function.
13053         (fold): Fold comparisons between &a[i] and &a[j] or
13054         semantically equivalent trees.
13055
13056 2005-01-29  Jeff Law  <law@redhat.com>
13057
13058         * gcse.c (insert_expr_in_table): Revamp handling of available
13059         and anticipatable occurrence lists to avoid unnecessary list
13060         walking.
13061         (insert_set_in_table): Similarly.
13062
13063 2005-01-29  Joseph S. Myers  <joseph@codesourcery.com>
13064
13065         * c-common.c (fix_string_type): Just use c_build_qualified_type to
13066         build string type.
13067         (c_build_qualified_type): Build qualified array types with
13068         TYPE_MAIN_VARIANT pointing to corresponding unqualified type.
13069         * c-decl.c (c_make_fname_decl): Build unqualified array type
13070         before qualified type.
13071         (grokdeclarator): Use TYPE_MAIN_VARIANT of typedef type if element
13072         type is qualified, not just if type itself is.  Don't apply
13073         qualifiers to array type when declarator is processed.  Apply
13074         qualifiers to field type whether or not it is an array type.
13075         Don't handle array types specially for applying qualifiers to
13076         variables.
13077         * c-typeck.c (composite_type): Build unqualified element type and
13078         array type when forming composite of array types.
13079         (common_pointer_type, comptypes, comp_target_types,
13080         type_lists_compatible_p, build_indirect_ref, build_array_ref,
13081         convert_for_assignment): Don't apply TYPE_MAIN_VARIANT to array
13082         types.
13083         (type_lists_compatible_p): Cache TREE_VALUE (args1) and TREE_VALUE
13084         (args2) in variables a1 and a2.
13085
13086 2005-01-29  Kazu Hirata  <kazu@cs.umass.edu>
13087
13088         * cse.c (n_elements_made, max_elements_made): Remove.
13089         (insert): Don't touch n_elements_made.
13090         (cse_main): Don't touch n_elements_made or max_elements_made.
13091
13092 2005-01-28  Stephane Carrez  <stcarrez@nerim.fr>
13093
13094         PR target/15384
13095         * config/m68hc11/t-m68hc11-gas (dp-bit.c): Fix typo causing a
13096         configuration part of dp-bit.c to be lost.
13097
13098 2005-01-28  Roger Sayle  <roger@eyesopen.com>
13099
13100         * expmed.c (expand_mult_highpart_optab): When attempting to use
13101         a non-widening multiplication in a wider mode, the operands need
13102         to be converted (zero or sign extended) to that mode.
13103
13104 2005-01-28  Ian Lance Taylor  <ian@airs.com>
13105
13106         PR middle-end/16558
13107         PR middle-end/19583
13108         * gimple-low.c (block_may_fallthru): TRY_FINALLY_EXPR only falls
13109         through if both operands fall through.
13110
13111 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
13112
13113         * cse.c (fold_rtx) <PC>: Don't optimize.
13114
13115 2005-01-28  Jeff Law  <law@redhat.com>
13116
13117         * fold-const.c (fold, case CEIL_MOD_EXPR): Optimize 0 % X.
13118         (case FLOOR_MOD_EXPR, ROUND_MOD_EXPR, TRUNC_MOD_EXPR): Similarly.
13119
13120 2005-01-28  Kazu Hirata  <kazu@cs.umass.edu>
13121
13122         * cse.c (cse_reg_info_free_list, cse_reg_info_used_list,
13123         cse_reg_info_used_list_end): Remove.
13124         (cse_reg_info_list, cse_reg_info_list_free): New.
13125         (get_cse_reg_info): When allocating an instance of
13126         cse_reg_info, add it to the beginning of the cse_reg_info_list
13127         list.  Remove code to maintain cse_reg_info_used_list.
13128         (new_basic_block): Reset the free list to the beginning of
13129         cse_reg_info_list.
13130
13131 2005-01-28  Richard Sandiford  <rsandifo@redhat.com>
13132
13133         * config/frv/frv.c (bdesc_2arg): Remove __MDPACKH.
13134         (frv_init_builtins): Change its prototype to take 4 uhalf arguments.
13135         (frv_expand_mdpackh_builtin): New function.
13136         (frv_expand_builtin): Use it to expand __MDPACKH.
13137         * doc/extend.texi (__MDPACKH): Update documentation.
13138
13139 2005-01-28  Uros Bizjak  <uros@kss-loka.si>
13140
13141         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use
13142         SSE_FLOAT_MODE_P for use_sse computation.
13143
13144 2005-01-28  Ralf Corsepius  <ralf.corsepius@rtems.org>
13145
13146         PR target/19663
13147         * config/sparc/rtemself.h (LINK_GCC_C_SEQUENCE_SPEC): undefine.
13148
13149 2005-01-27  Richard Henderson  <rth@redhat.com>
13150
13151         * builtins.c (expand_builtin_copysign): New.
13152         (expand_builtin): Call it.
13153         * genopinit.c (optabs): Add copysign_optab.
13154         * optabs.c (init_optabs): Initialize it.
13155         (expand_copysign): New.
13156         * optabs.h (OTI_copysign, copysign_optab): New.
13157         (expand_copysign): Declare.
13158
13159         * config/alpha/alpha.md (UNSPEC_COPYSIGN): New.
13160         (copysignsf3, ncopysignsf3, copysigndf3, ncopysigndf3): New.
13161
13162         * config/i386/i386.c (ix86_build_signbit_mask): Split from ...
13163         (ix86_expand_fp_absneg_operator): ... here.
13164         (ix86_split_copysign): New.
13165         * config/i386/i386-protos.h: Update.
13166         * config/i386/i386.md (UNSPEC_COPYSIGN): New.
13167         (copysignsf3, copysigndf3): New.
13168
13169         * config/ia64/ia64.md (UNSPEC_COPYSIGN): New.
13170         (copysignsf3, ncopysignsf3): New.
13171         (copysigndf3, ncopysigndf3): New.
13172         (copysignxf3, ncopysignxf3): New.
13173         * config/ia64/ia64.c (rtx_needs_barrier): Handle UNSPEC_COPYSIGN.
13174
13175 2005-01-27  Arend Bayer  <arend.bayer@web.de>
13176             Kazu Hirata  <kazu@cs.umass.edu>
13177
13178         * cse.c: (find_best_addr): Don't call copy_rtx before calling
13179         fold_rtx.  Save cost recomputation if fold_rtx did nothing.
13180         (fold_rtx) <ASM_OPERANDS>: Don't do anything if INSN is
13181         NULL_RTX.
13182
13183 2005-01-27  Jeff Law  <law@redhat.com>
13184
13185         * tree-into-ssa.c (ssa_rewrite_initialize_block): Do not register
13186         definitions of SSA_NAMEs which are not being rewritten.
13187         (rewrite_ssa_into_ssa): Only initialize the current definition
13188         of an SSA_NAME if that SSA_NAME has been marked for rewriting.
13189         If checking is enabled, assert that SSA_NAME_AUX is clear for all
13190         SSA_NAMEs before returning.
13191
13192 2005-01-27  Kazu Hirata  <kazu@cs.umass.edu>
13193
13194         * c-common.def, c-dump.c, c-gimplify.c, c-objc-common.c,
13195         cfgexpand.c, dbxout.c, function.h, opts.c, tree-flow-inline.h,
13196         tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-tailcall.c,
13197         config/avr/avr.md, config/cris/aout.h, config/cris/cris.h,
13198         config/mips/iris6.h, config/sh/sh.c: Update copyright.
13199
13200 2005-01-27  Steven Bosscher  <stevenb@suse.de>
13201
13202         PR middle-end/17278
13203         * opts.c (decode_options): Move flag_thread_jumps from -O1 and
13204         higher to -O2 and higher.  Likewise for tree PRE.
13205         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Only iterate at -O2
13206         and better.
13207
13208 2005-01-27  Ian Lance Taylor  <ian@airs.com>
13209
13210         PR middle-end/19583
13211         * gimple-low.c (try_catch_may_fallthru): New static function.
13212         (block_may_fallthru): Handle TRY_CATCH_EXPR.
13213         * tree-inline.c (expand_call_inline): Don't warn about reaching
13214         the end of a non-void function being inlined if the function uses
13215         a return slot.
13216
13217 2005-01-27  Jakub Jelinek  <jakub@redhat.com>
13218
13219         * config/i386/i386.h (CALL_USED_REGISTERS): Fix comment pastos.
13220
13221         PR c/18946
13222         * c-decl.c (warn_if_shadowing): Handle old_decl error_mark_node.
13223         (pushdecl): Only use DECL_FILE_SCOPE_P if DECL_P.
13224         (implicitly_declare): Handle error_mark_node.
13225
13226 2005-01-27  Richard Henderson  <rth@redhat.com>
13227
13228         PR tree-opt/14329
13229         * tree.h (struct tree_decl): Add debug_expr_is_from.
13230         (DECL_DEBUG_EXPR_IS_FROM): New.
13231         (DECL_DEBUG_EXPR): Rename from DECL_DEBUG_ALIAS_OF.
13232         * dwarf2out.c (dwarf2out_var_location): Update to match.
13233         * tree-outof-ssa.c (create_temp): Likewise.
13234         * var-tracking.c (track_expr_p): Likewise.
13235         * tree-sra.c (instantiate_element): Set DECL_DEBUG_EXPR.
13236         * c-objc-common.c (c_tree_printer) <'D'>: Handle DECL_DEBUG_EXPR.
13237         * toplev.c (default_tree_printer): Likewise.
13238
13239 2005-01-27  Alexandre Oliva  <aoliva@redhat.com>
13240
13241         * config/frv/frv.c (frv_class_likely_spilled_p): Add GR8_REGS,
13242         GR9_REGS, GR89_REGS, FDPIC_FPTR_REGS, FDPIC_REGS.
13243
13244 2005-01-27  Steven Bosscher  <stevenb@suse.de>
13245
13246         * tree.h (SWITCH_COND, SWITCH_BODY, SWITCH_LABELS, CASE_LOW,
13247         CASE_HIGH, CASE_LABEL, ASM_STRING, ASM_OUTPUTS, ASM_INPUTS,
13248         ASM_CLOBBERS): Add tree checks.
13249
13250         * c-common.h (SWITCH_TYPE): Rename to SWITCH_STMT_TYPE.
13251         (SWITCH_STMT_COND, SWITCH_STMT_BODY): New.
13252         * c-common.def (SWITCH_STMT): Update to match.
13253         * c-common.c (c_do_switch_warnings): Use SWITCH_STMT accessor
13254         macros instead of SWITCH_EXPR ones.
13255         * c-dump.c (c_dump_tree): Likewise.
13256         * c-gimplify.c (gimplify_switch_stmt): Likewise.
13257         * c-typeck.c (c_start_case, do_case, c_finish_case): Likewise.
13258
13259         * doc/c-tree.texi (SWITCH_STMT): Update accessor macro names.
13260
13261 2005-01-27  Alan Modra  <amodra@bigpond.net.au>
13262
13263         * unwind-dw2.c (execute_stack_op): Add missing cases for
13264         DW_OP_shl, DW_OP_shr, DW_OP_shra, DW_OP_xor.
13265
13266 2005-01-27  Eric Botcazou  <ebotcazou@libertysurf.fr>
13267
13268         * config.gcc (Obsolete configurations): Remove 'dummy', add
13269         sparclite-*-coff*, sparclite-*-elf*, sparc86x-*-elf* and
13270         sparc-*-openbsd*.
13271
13272 2005-01-26  Diego Novillo  <dnovillo@redhat.com>
13273
13274         PR tree-optimization/19633
13275         * tree-ssa-alias.c (ptr_is_dereferenced_by): Also handle
13276         CALL_EXPRs.
13277         (maybe_create_global_var): Do not create .GLOBAL_VAR if there
13278         are no call-clobbered variables.
13279         * tree-outof-ssa.c (check_replaceable): Return false for calls
13280         with side-effects.
13281
13282 2005-01-26  Ulrich Weigand  <uweigand@de.ibm.com>
13283
13284         * dbxout.c (dbxout_symbol_location): Resolve constant pool references
13285         even for variables with NULL DECL_INITIAL.
13286
13287 2005-01-26  Stuart Hastings  <stuart@apple.com>
13288
13289         * gimplify.c (shortcut_cond_expr): Re-compute side-effects.
13290
13291 2005-01-26  Richard Henderson  <rth@redhat.com>
13292
13293         PR middle-end/18008
13294         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
13295         field's type.
13296         * expr.c (store_field): Strip conversions to odd-bit-sized types
13297         if the destination field width matches.
13298
13299 2005-01-26  Richard Henderson  <rth@redhat.com>
13300
13301         * c-decl.c, expmed.c, expr.c: Revert last change.
13302
13303 2005-01-26  Richard Henderson  <rth@redhat.com>
13304
13305         PR middle-end/18008
13306         * c-decl.c (finish_struct): Set DECL_MODE after resetting a
13307         field's type.
13308         * expmed.c (store_fixed_bit_field): Create a paradoxical subreg
13309         if we don't need the bits above those present in the current mode.
13310         * expr.c (store_field): Strip conversions to odd-bit-sized types
13311         if the destination field width matches.
13312
13313 2005-01-26  Richard Sandiford  <rsandifo@redhat.com>
13314
13315         * config/mips/iris6.h (ENDFILE_SPEC): Don't link in irix-csr.o if
13316         either -ffast-math or -funsafe-math-optimizations is in use.
13317
13318 2005-01-26  Marek Michalkiewicz  <marekm@amelek.gda.pl>
13319
13320         PR target/19293
13321         PR target/19329
13322         * config/avr/avr.c (notice_update_cc): Only set condition code for
13323         ashrqi3 if shift count > 0.
13324         (out_shift_with_cnt): Handle shift count <= 0 as a no-op.
13325         (ashlqi3_out, ashlhi3_out, ashlsi3_out, ashrqi3_out, ashrhi3_out,
13326         ashrsi3_out, lshrqi3_out, lshrhi3_out, lshrsi3_out): Handle shift
13327         count <= 0 as a no-op, and shift count >= width by copying zero
13328         or sign bit to all bits of the result.
13329         * config/avr/avr.md (all shifts): Add alternatives for zero shift
13330         count, with attribute "length" set to 0 and "cc" set to "none".
13331
13332 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
13333
13334         * doc/invoke.texi: Document -mTLS.
13335
13336         * testsuite/gcc.target/frv/all-tls-global-dynamic.c: New.
13337         * testsuite/gcc.target/frv/all-tls-initial-exec.c: New.
13338         * testsuite/gcc.target/frv/all-tls-initial-exec-pic.c: New.
13339         * testsuite/gcc.target/frv/all-tls-local-dynamic.c: New.
13340         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt.c: New.
13341         * testsuite/gcc.target/frv/all-tls-local-dynamic-plt-pic.c: New.
13342         * testsuite/gcc.target/frv/all-tls-local-exec.c: New.
13343         * testsuite/gcc.target/frv/all-tls-local-exec-TLS.c: New.
13344
13345         * configure.ac: Check for a TLS capable gas.
13346
13347         * configure: Regenerate.
13348
13349 2005-01-26  Richard Henderson  <rth@redhat.com>
13350
13351         PR middle-end/18008
13352         * combine.c (make_field_assignment): Simplify store to zero_extract
13353         from a source with an overlapping mask.
13354
13355 2005-01-26  Aldy Hernandez  <aldyh@redhat.com>
13356
13357         2004-11-11  Eric Christopher  <echristo@redhat.com>
13358
13359         * config/frv/frv.md: Add fr400_integer automaton. Don't
13360         allow TYPE_MUL, TYPE_MACC, or TYPE_CUT to issue in parallel
13361         to TYPE_MACC.
13362
13363 2005-01-26  Steven Bosscher  <stevenb@suse.de>
13364
13365         PR middle-end/16585
13366         * cfgbuild.c (make_edges): Do not clear or set
13367         current_function_has_computed_jump.
13368         * function.h (struct function): Remove the has_computed_jump field.
13369         (current_function_has_computed_jump): Do not define.
13370         * sched-rgn.c (is_cfg_nonregular): Return true if a basic block ends
13371         in a computed jump.  Ignore current_function_has_computed_jump.
13372
13373 2005-01-26  Richard Henderson  <rth@redhat.com>
13374
13375         PR middle-end/19515
13376         * expr.c (categorize_ctor_elements): New argument p_must_clear.
13377         (categorize_ctor_elements_1): Likewise.  Detect a union that isn't
13378         fully initialized.
13379         (mostly_zeros_p): Update for new categorize_ctor_elements argument.
13380         * gimplify.c (gimplify_init_constructor): Likewise.  Only shove
13381         objects into static storage if they have more than one non-zero value.
13382         * tree.h (categorize_ctor_elements): Update decl.
13383
13384 2005-01-26  Steven Bosscher  <stevenb@suse.de>
13385
13386         PR middle-end/19616
13387         * tree.h (CALL_EXPR_TAILCALL): Add comment.
13388         * calls.c (check_sibcall_argument_overlap_1): Revert the change
13389         to this function from 2004-07-10.
13390         * tree-tailcall.c (suitable_for_tail_opt_p): Do not consider the
13391         the current function for tail call optimizations if the address
13392         of one of it its arguments is taken.
13393
13394 2005-01-26  Kazu Hirata  <kazu@cs.umass.edu>
13395
13396         * cse.c (fold_rtx): Call equiv_constant only when necessary.
13397
13398 2005-01-26  Bernd Schmidt  <bernd.schmidt@analog.com>
13399
13400         * function.c (expand_function_end): If current_function_calls_alloca,
13401         emit stack restore in a place that is reached when the function falls
13402         through at the end.
13403
13404 2005-01-26  Alexandre Oliva  <aoliva@redhat.com>
13405
13406         * Makefile.in (../$(build_subdir)/fixincludes/fixincl): Add dummy
13407         rule to avoid matching inappropriate suffix rule.
13408
13409 2005-01-26  Jan Hubicka  <jh@suse.cz>
13410
13411         PR tree-optimization/19241
13412         * tree-inline.c (copy_body_r): Do not walk subtrees after substituting.
13413
13414 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
13415
13416         * config/cris/cris.h (LIB_SPEC) <sim*>: Use -lsyslinux, not
13417         -lsyssim.  Wrap -lc -lsyssim in --start-group --end-group instead
13418         of doubling.
13419         (STARTFILE_SPEC): Add crti.o, before crtbegin.o.
13420         <sim*>: Always use crt1.o, regardless of N in simN.
13421         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
13422         (ENDFILE_SPEC): Add crtn.o, after crtend.o.
13423         (CRT_CALL_STATIC_FUNCTION): Remove.
13424         * config/cris/aout.h (STARTFILE_SPEC): <!melinux && sim*>: Always
13425         use crt1.o, regardless of N in simN.
13426         <!sim>: Drop support for -pg and -p variants; always use crt0.o.
13427         (LIB_SPEC): Do not define; default to the one in config/cris/cris.h.
13428         (CRIS_CPP_SUBTARGET_SPEC) <melinux && !nostdinc>: Remove special
13429         case isystem setting.
13430         (MAX_OFILE_ALIGNMENT): Correct to 32, not 16.
13431
13432 2005-01-25  Ian Lance Taylor  <ian@airs.com>
13433
13434         * gimple-low.c (block_may_fallthru): Correct handling of
13435         SWITCH_EXPR--may fall through if SWITCH_LABELS is NULL.
13436
13437 2005-01-26  Hans-Peter Nilsson  <hp@axis.com>
13438
13439         * config/cris/cris.h (CPP_SPEC): Adjust the various mtune=
13440         handlers to match indentation; nested under the mtune=* handler.
13441         Similar for mcpu= and march=.
13442
13443 2005-01-25  Daniel Jacobowitz  <dan@codesourcery.com>
13444
13445         * config/mips/linux.h (LIB_SPEC): Remove -rpath-link.
13446         * config/mips/linux64.h (LIB_SPEC): Likewise.
13447         * config/mn10300/linux.h (LIB_SPEC): Likewise.
13448         * config/sh/linux.h (LIB_SPEC): Likewise.
13449
13450 2005-01-25  Aldy Hernandez  <aldyh@redhat.com>
13451
13452         * config/frv/frv.c (frv_legitimize_tls_address): New.
13453         (TARGET_HAVE_TLS): Define.
13454         (FRV_SYMBOL_REF_TLS_P): Define.
13455         (frv_override_options): Handle new register classes.
13456         (frv_legitimate_address_p): Reject tls addresses.
13457         (frv_legitimize_address): Handle TLS addresses.
13458         (gen_inlined_tls_plt): New.
13459         (gen_tlsmoff): New.
13460         (frv_legitimize_tls_address): New.
13461         (unspec_got_name): Add TLS entries.
13462         (got12_operand): Add R_FRV_TLSMOFF12 case.
13463         (frv_emit_move): Fixup TLS addresses.
13464         (frv_emit_movsi): Legitimize TLS addresses.
13465
13466         * config/frv/frv.h (MASK_BIG_TLS): New.
13467         (TARGET_BIG_TLS): New.
13468         (HAVE_AS_TLS): Define.
13469         (TARGET_SWITCHES): Add -mTLS and -mtls options.
13470         (enum reg_class): Add GR8_REGS, GR9_REGS, GR89_REGS.
13471         (REG_CLASS_NAMES): Same.
13472         (REG_CLASS_CONTENTS): Same.
13473         (CONSTRAINT_LEN): New.
13474         (REG_CLASS_FROM_CONSTRAINT): New.
13475         (PREDICATE_CODES): Add symbolic_operand.
13476
13477         * config/frv/frv.md (define_constants): Add UNSPEC_GETTLSOFF,
13478         UNSPEC_TLS_LOAD_GOTTLSOFF12, UNSPEC_TLS_INDIRECT_CALL,
13479         UNSPEC_TLS_TLSDESC_LDD, UNSPEC_TLS_TLSDESC_LDD_AUX,
13480         UNSPEC_TLS_TLSOFF_LD, UNSPEC_TLS_LDDI, UNSPEC_TLSOFF_HILO,
13481         R_FRV_GOTTLSOFF_HI, R_FRV_GOTTLSOFF_LO, R_FRV_TLSMOFFHI,
13482         R_FRV_TLSMOFFLO, R_FRV_TLSMOFF12, R_FRV_TLSDESCHI,
13483         R_FRV_TLSDESCLO, R_FRV_GOTTLSDESCHI, R_FRV_GOTTLSDESCLO, GR8_REG,
13484         GR9_REG, GR14_REG, LRREG.
13485         (type): Add load_or_call attribute.
13486         ("load_or_call"): New reservation.
13487         ("call_gettlsoff"): New.
13488         ("tls_indirect_call"): New.
13489         ("tls_load_gottlsoff12"): New.
13490         ("tlsoff_hilo"): New.
13491         ("tls_tlsdesc_ldd"): New.
13492         ("tls_tlsoff_ld"): New.
13493         ("tls_lddi"): New.
13494
13495         * config/frv/frv-protos.h (symbolic_operand): Protoize.
13496
13497         2005-01-25  Alexandre Oliva  <aoliva@redhat.com>
13498
13499         * config/frv/frv.h (ASM_OUTPUT_DWARF_DTPREL): Define.
13500         * config/frv/frv-protos.h (frv_output_dwarf_dtprel): Declare.
13501         * config/frv/frv.c (TLS_BIAS): Define.
13502         (frv_output_dwarf_dtprel): New.
13503
13504 2005-01-26  Jakub Jelinek  <jakub@redhat.com>
13505
13506         PR rtl-optimization/19579
13507         * ifcvt.c (noce_try_cmove_arith): If emitting instructions to set up
13508         both A and B, see if they don't clobber registers the other expr uses.
13509
13510 2005-01-25  J"orn Rennecke <joern.rennecke@st.com>
13511
13512         * real.c (do_add): Initialize signalling and canonical members.
13513
13514         * real.c (real_from_integer): Zero out destination.
13515
13516 2005-01-18  Jan Hubicka  <jh@suse.cz>
13517
13518         PR tree-optimize/19337
13519         * tree-inline.c (initialize_inlined_parameters): Copy
13520         saved_static_chain_decl only.
13521
13522 2005-01-25  Richard Henderson  <rth@redhat.com>
13523
13524         PR target/19556
13525         PR target/19584
13526         * config/i386/i386.c (x86_inter_unit_moves): Zero.
13527         (ix86_preferred_reload_class): Rewrite fp-constant section, with
13528         80387 enabled, to return a proper subclass.  Return the subset that
13529         overlaps with GENERAL_REGS for PLUS.
13530         * config/i386/i386.md (movsi_1, movdi_2): Set type to "mmx" for pxor.
13531
13532 2005-01-25  Richard Henderson  <rth@redhat.com>
13533
13534         PR middle-end/19609
13535         * tree-complex.c (expand_complex_div_wide): Use the correct formulae.
13536
13537 2005-01-25  Roger Sayle  <roger@eyesopen.com>
13538
13539         * expmed.c (choose_multiplier): Change interface to return the
13540         multiplier lowpart as an rtx instead of an unsigned HOST_WIDE_INT.
13541         (expand_divmod): Update calls to choose_multiplier.
13542
13543 2005-01-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
13544
13545         PR middle-end/19330
13546         * expmed.c (extract_bit_field): Use adjust_address instead of
13547         gen_lowpart when op0 is a MEM.
13548
13549 2005-01-24  Steven Bosscher  <stevenb@suse.de>
13550
13551         * cfgexpand.c (expand_gimple_tailcall): Fix typo.
13552
13553 2005-01-24  Richard Sandiford  <rsandifo@redhat.com>
13554
13555         * config/mips/irix-csr.c: New file.
13556         * config/mips/t-iris6 (irix-csr.o): New rule to build it.
13557         (EXTRA_MULTILIB_PARTS): Add irix-csr.o.
13558         * config/mips/iris6.h (ENDFILE_SPEC): Include it in n32 and n64
13559         executables.
13560
13561 2005-01-24  Eric Botcazou  <ebotcazou@libertysurf.fr>
13562
13563         PR bootstrap/19364
13564         * config.gcc (sparc-*-elf*): Remove sol2.h, sparc/sol2.h and
13565         sparc/elf.h, add sparc/sp-elf.h.
13566         (sparc-*-rtems*): Likewise.
13567         (sparclite-*-elf*): Remove sol2.h, sparc/sol2.h, sparc/elf.h and
13568         tm-dwarf2.h, add sparc/sp-elf.h.
13569         (sparc86x-*-elf): Likewise.
13570         (sparc64-*-elf*): Remove sol2.h, sparc/sol2.h and tm-dwarf2.h.
13571         * config/sparc/liteelf.h (TARGET_SUB_OS_CPP_BUILTINS): Rename into
13572         TARGET_OS_CPP_BUILTINS.
13573         * config/sparc/sp86x-elf (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
13574         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
13575         Undefine it.
13576         * config/sparc/openbsd64.h (NO_IMPLICIT_EXTERN_C): Undefine.
13577         * config/sparc/sp64-elf.h (NO_IMPLICIT_EXTERN_C): New macro.
13578         (SWITCH_TAKES_ARG): Likewise.
13579         (LOCAL_LABEL_PREFIX): Likewise.
13580         (ASM_GENERATE_INTERNAL_LABEL): Likewise.
13581         (TARGET_N_FORMAT_TYPES): Delete.
13582         (TARGET_FORMAT_TYPES): Likewise.
13583         (ASM_DECLARE_FUNCTION_SIZE): Likewise.
13584         * config/sparc/elf.h: Delete.
13585         * config/sparc/sp-elf.h: New file.
13586
13587 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
13588
13589         * tree-flow-inline.h (phi_arg_from_edge): Remove.
13590         * tree-flow.h: Remove the corresponding prototype.
13591         * tree-ssa-operands.h, tree-ssa-threadupdate.c, tree-ssa.c,
13592         tree-vectorizer.c: Use dest_idx instead of phi_arg_from_edge.
13593
13594 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
13595
13596         PR target/17751
13597         * config/rs6000/rs6000.c (rs6000_file_start): Create toc section
13598         for AIX ABI or ELF -fPIC.
13599         (rs6000_emit_load_toc_table): Don't create toc_section here.
13600         (rs6000_xcoff_file_start): Nor here.
13601
13602 2005-01-24  J"orn Rennecke <joern.rennecke@st.com>
13603
13604         * sh.c (ra.h): Don't #include.
13605         (hard_regs_intersect_p): New function, resurrected from ra.c.
13606
13607         * sh.c: Fix 1996 Copyright.
13608
13609 2005-01-24  Richard Henderson  <rth@redhat.com>
13610             Aldy Hernandez  <aldyh@redhat.com>
13611
13612         * regrename.c (note_sets): Handle subregs.
13613
13614 2005-01-24  Joseph S. Myers  <joseph@codesourcery.com>
13615
13616         PR bootstrap/18058
13617         * genconditions.c (write_header, write_conditions): Elide file if
13618         not GCC >= 3.0.1.
13619
13620 2005-01-24  Kazu Hirata  <kazu@cs.umass.edu>
13621
13622         * c-opts.c, expmed.c, gengtype.c, tree-complex.c,
13623         config/arm/iwmmxt.md, config/avr/avr.c, config/s390/s390.h:
13624         Update copyright.
13625
13626 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
13627
13628         * builtins.c (get_pointer_alignment, gimplify_va_arg_expr,
13629         expand_builtin_printf, expand_builtin_fprintf,
13630         expand_builtin_sprintf): Use POINTER_TYPE_P instead TREE_CODE
13631         checking against POINTER_TYPE.
13632         (validate_arglist): Handle POINTER_TYPE code by checking
13633         POINTER_TYPE_P.
13634
13635 2005-01-24  Paolo Bonzini  <bonzini@gnu.org>
13636
13637         * rtlanal.c (non_rtx_starting_operands, for_each_rtx_1,
13638         init_rtlanal): New.
13639         (for_each_rtx): Call for_each_rtx_1.
13640         * rtl.h (init_rtlanal): Declare.
13641         * toplev.c (backend_init): Call init_rtlanal.
13642
13643 2005-01-24  Jakub Jelinek  <jakub@redhat.com>
13644
13645         * flow.c (propagate_one_insn): Formatting.
13646
13647         PR middle-end/19551
13648         * flow.c (libcall_dead_p): Be more conservative if unsure.
13649         If there are any instructions between insn and call, see if they are
13650         all dead before saying the libcall is dead.
13651
13652 2005-01-24  Uros Bizjak  <uros@kss-loka.si>
13653
13654         * config/i386/i386.md (*extendsfdf2_sse): Use "nonimmediate_operand"
13655         operand constraint for operand 0.
13656
13657 2005-01-23  Richard Henderson  <rth@redhat.com>
13658
13659         PR 19486
13660         * tree-complex.c (expand_complex_div_wide): Set EDGE_FALLTHRU on
13661         edges leading to join block.
13662
13663 2005-01-23  Roger Sayle  <roger@eyesopen.com>
13664
13665         * expmed.c (expand_mult_highpart): Make static.  Change type of
13666         constant multiplier argument from unsigned HOST_WIDE_INT to rtx.
13667         (expand_divmod): Updates calls to expand_mult_highpart by using
13668         gen_int_mode to pass a CONST_INT rtx.
13669         * rtl.h (expand_mult_highpart): Remove prototype.
13670
13671 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
13672
13673         * flow.c (regset_bytes, regset_size): Remove.
13674
13675         * cfganal.c: Fix a reference to Harvey's paper.
13676
13677 2005-01-23  Steven Bosscher  <stevenb@suse.de>
13678
13679         PR rtl-optimization/19464
13680         * tree-optimize.c (init_tree_optimization_passes): Add one more
13681         copyrename pass just before out-of-ssa.
13682
13683 2005-01-23  Joseph S. Myers  <joseph@codesourcery.com>
13684
13685         PR bootstrap/18058
13686         * recog.c (recog_memoized): Don't define if GENERATOR_FILE.
13687         * ggc-none.c (ggc_free): Define.
13688
13689 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
13690
13691         * cse.c (max_reg, max_insn_uid): Remove.
13692         (cse_main): Don't access max_reg or max_insn_uid.
13693
13694         * c-common.c (explicit_flag_signed_bitfields,
13695         lang_statement_code_p, lang_expand_function_end): Remove.
13696         * c-common.h: Remove the corresponding declarations.
13697         * c-opts.c (c_common_handle_option): Remove all write access
13698         to explicit_flag_signed_bitfields.
13699
13700         * cgraph.c (cgraph_varpool_n_nodes): Remove.
13701         (cgraph_varpool_node): Don't access cgraph_varpool_n_nodes.
13702         * cgraph.h: Remove the corresponding declaration.
13703
13704         * gcse.c (null_pointer_info): Remove.
13705
13706 2005-01-23  Roger Sayle  <roger@eyesopen.com>
13707             Eric Botcazou  <ebotcazou@libertysurf.fr>
13708
13709         * combine.c (simplify_logical): Only simplify logical expressions
13710         of the form ior(and(x,y),z) by the inverse distributive law if the
13711         result is cheaper than the original.
13712
13713 2005-01-23  Kazu Hirata  <kazu@cs.umass.edu>
13714
13715         * alias.c, c-common.h, c-incpath.c, c-incpath.h, expr.c,
13716         fold-const.c, gimplify.c, params.h, tree-data-ref.c,
13717         tree-if-conv.c, tree-nested.c, tree-outof-ssa.c,
13718         tree-ssa-dom.c, tree-vectorizer.c, tree.def, config/darwin.c,
13719         config/freebsd-spec.h, config/arm/arm.h,
13720         config/h8300/h8300.md, config/i386/i386.md,
13721         config/i386/predicates.md, config/i386/sse.md,
13722         config/ia64/ia64.c, config/ip2k/ip2k.c, config/s390/s390.c,
13723         config/vax/vax.md: Fix comment typos.  Follow spelling
13724         conventions.
13725
13726 2005-01-23  Steven Bosscher  <stevenb@suse.de>
13727
13728         * gengtype.c (walk_type): Produce `not equal to' compares for loop
13729         tests, instead of `less than'.
13730
13731 2005-01-23  Richard Sandiford  <rsandifo@redhat.com>
13732
13733         * function.c (assign_parm_setup_block): When creating a new stack slot
13734         for a parameter, get its alignment from the parameter's DECL_ALIGN
13735         rather than the type's TYPE_ALIGN.  Make sure that the parameter
13736         is at least word aligned.
13737
13738 2005-01-22  Roger Sayle  <roger@eyesopen.com>
13739
13740         PR middle-end/19378
13741         * config/avr/avr.c (avr_hard_regno_mode_ok): Rewrite.
13742
13743 2005-01-22  Richard Henderson  <rth@redhat.com>
13744
13745         PR target/19506
13746         * config/i386/i386.md (movsfcc_1_sse_max): Use nonimmediate_operand
13747         in both compare operands.
13748         (movdfcc_1_sse_max): Likewise.
13749         (movsfcc_1_sse): Likewise.  Add earlyclobber for scratch.
13750         (movdfcc_1_sse): Likewise.
13751         * config/i386/i386.c (ix86_split_sse_movcc): Emit copies into the
13752         scratch register as needed.
13753
13754 2005-01-22  Richard Henderson  <rth@redhat.com>
13755
13756         * config/i386/i386.md (smaxsf3): Fix mnemonic typo.
13757
13758         * config/i386/i386.c (ix86_prepare_fp_compare_args): Fix is_sse test.
13759
13760 2005-01-22  Richard Henderson  <rth@redhat.com>
13761
13762         * genopinit.c (optabs): Use smin/smax for floating point too.
13763         * doc/md.texi: Update to match.  Clarify that floating point
13764         results are undefined for +0/-0 and NaN.
13765         * doc/rtl.texi: Likewise.
13766         * rtl.def (SMIN, SMAX): Likewise
13767         * tree.def (MIN_EXPR, MAX_EXPR): Likewise.
13768
13769         * config/alpha/alpha.md (smaxdf3, smindf3, smaxsf3, sminsf3): Add
13770         leading 's' to the name.
13771         * config/ia64/ia64.md (smaxsf3, sminsf3, smaxdf3, smindf3,
13772         smaxxf3, sminxf3): Likewise.
13773         * config/rs6000/rs6000.md (smaxdf3, smindf3, smaxsf3, sminsf3):
13774         Likewise.
13775
13776 2005-01-22  Paul Brook  <paul@codesourcery.com>
13777
13778         * config/arm/arm.md: Use "Uy" constraint for wcgr load/stores.
13779
13780 2005-01-21  Mark Dettinger  <dettinge@de.ibm.com>
13781
13782         * config/s390/s390.c (struct processor_costs): New fields
13783         dlgr, dlr, dr, dsgfr, dsgr.
13784         (z900_cost, z990_cost): Values for new fields.
13785         (s390_rtx_costs): New cases MEM und COMPARE in switch
13786         statement. Modified handling of SIGN_EXTEND, ZERO_EXTEND,
13787         DIV, MOD, UDIV, UMOD.
13788
13789 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
13790
13791         * config/s390/s390.md ("doloop_si64"): Reload input value directly
13792         into the register being decremented.
13793         ("doloop_si31", "doloop_di"): Likewise.
13794         ("*doloop_si_long"): Adapt pattern.
13795
13796 2005-01-21  Ulrich Weigand  <uweigand@de.ibm.com>
13797
13798         * config/s390/s390.h (HARD_REGNO_NREGS): Fix computation for
13799         access registers.
13800         (CLASS_MAX_NREGS): Likewise.
13801
13802 2005-01-21  Daniel Berlin  <dberlin@dberlin.org>
13803
13804         * doc/tree-ssa.texi (Statement Operands): Add example for new
13805         must-def macro. Note deprecation of old operands interface.
13806
13807 2005-01-22  Richard Sandiford  <rsandifo@redhat.com>
13808
13809         PR tree-optimization/19484
13810         * tree-cfg.c (remove_fallthru_edge): New function.
13811         (cleanup_control_flow): Remove fallthru edges from calls that are
13812         now known not to return.
13813
13814 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
13815
13816         Fix PR tree-optimization/19038
13817         * tree-ssa-dom.c (cprop_operand): Don't replace loop invaeriant
13818         copies with loop variant ones.
13819
13820 2005-01-22  Kazu Hirata  <kazu@cs.umass.edu>
13821
13822         * cfganal.c, real.h, reorg.c, timevar.def, tree-ssa-ccp.c,
13823         config/alpha/alpha-protos.h, config/alpha/alpha.h,
13824         config/alpha/alpha.md, config/alpha/predicates.md,
13825         config/sparc/freebsd.h, config/sparc/netbsd-elf.h,
13826         config/sparc/sol2.h: Update copyright.
13827
13828         * tree-cfg.c (remove_forwarder_block_with_phi): Look at the
13829         first label to see if it is a nonlocal label.
13830
13831 2005-01-22  David Edelsohn  <edelsohn@gnu.org>
13832             Andrew Pinski  <pinskia@physics.uc.edu>
13833
13834         PR target/19491
13835         * config/rs6000/rs6000.c (rs6000_va_start): Saturate n_gpr at
13836         maximum number of GPRs.  Saturate n_fpr at maximum number of FPRs.
13837
13838 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
13839
13840         * config/rs6000/rtems.h: Update copyright.
13841
13842 2005-01-22  Ralf Corsepius  <ralf.corsepius@rtems.org>
13843
13844         PR target/19548
13845         * config/rs6000/rtems.h: Resurrect cpp_os_rtems_spec from gcc < 3.4.
13846         (CPP_OS_RTEMS_SPEC): New (From gcc-3.3's config/rs6000/sys4.h).
13847         (SUBSUBTARGET_EXTRA_SPECS): Use CPP_OS_RTEMS_SPEC.
13848
13849 2005-01-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
13850
13851         PR c/18809
13852         * c-typeck.c (convert_arguments): Check for error_mark_node.
13853
13854 2005-01-21  Ian Lance Taylor  <ian@airs.com>
13855
13856         PR tree-optimization/13000
13857         * tree-inline.c: Include "tree-flow.h".
13858         (expand_call_inline): If warn_return_type, warn if non-void inline
13859         function falls through.
13860         * tree-cfg.c (execute_warn_function_return): Don't warn about
13861         control reaching end if TREE_NO_WARNING is set.  Set
13862         TREE_NO_WARNING.
13863         * gimple-low.c (block_may_fallthru): Don't assume that SWITCH_EXPR
13864         has been lowered.
13865         * gimplify.c (shortcut_cond_expr): Don't emit a jump over the else
13866         branch if we don't need one.
13867         * c-typeck.c: Include "tree-flow.h"
13868         (c_finish_bc_stmt): Don't add a goto if the current statement
13869         list doesn't fall through to the current point.
13870
13871 2005-01-21  Roger Sayle  <roger@eyesopen.com>
13872
13873         PR rtl-optimization/576
13874         * real.c (real_arithmetic): Change return type from void to bool
13875         to return an indication that the result may be inexact.
13876         * real.h (real_arithmeric): Update prototype.
13877         * fold-const.c (const_binop):  Don't constant fold floating
13878         point expressions when the user specifies -frounding-math and
13879         the result may depend upon the run-time rounding mode.
13880         (fold_convert_const_real_from_real): Clean-up.
13881         (fold_initializer): Ignore flag_rounding_math for initializers.
13882         * simplify-rtx.c (simplify_binary_operation): Likewise, don't
13883         constant fold FP operations with flag_rounding_math if the
13884         result may depend upon the run-time rounding mode.
13885
13886 2005-01-21  Tom Tromey  <tromey@redhat.com>
13887
13888         * c-cppbuiltin.c (define__GNUC__): Correct assertion.
13889
13890 2005-01-21  Kazu Hirata  <kazu@cs.umass.edu>
13891
13892         * tree-cfg.c: Fix comment typos.
13893
13894 2005-01-21  J"orn Rennecke <joern.rennecke@st.com>
13895
13896         * passes.c (rest_of_handle_flow2): Close / open the flow2 dump file
13897         around the call to rest_of_handle_branch_target_load_optimize.
13898
13899 2005-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
13900
13901         * config.gcc (sparc-*-netbsdelf*): Include dbxelf.h
13902         (sparc64-*-openbsd*): Likewise.
13903         (sparclite-*-elf*): Include tm-dwarf2.h.
13904         (sparc86x-*-elf*): Likewise.
13905         (sparc64-*-elf*): Likewise.
13906         * config/sparc/linux64.h (DWARF2_DEBUGGING_INFO): Delete.
13907         (DBX_DEBUGGING_INFO): Likewise.
13908         * config/sparc/liteelf.h (DWARF2_DEBUGGING_INFO): Likewise.
13909         (PREFERRED_DEBUGGING_TYPE): Likewise.
13910         * config/sparc/netbsd-elf.h (PREFERRED_DEBUGGING_TYPE): Likewise.
13911         * config/sparc/sp64-elf.h (DBX_DEBUGGING_INFO): Likewise.
13912         (PREFERRED_DEBUGGING_TYPE): Likewise.
13913         * config/sparc/sp86x-elf.h (DWARF2_DEBUGGING_INFO): Likewise.
13914         (PREFERRED_DEBUGGING_TYPE): Likewise.
13915         * config/sparc/sparc.h (DBX_DEBUGGING_INFO): Likewise.
13916
13917 2005-01-21  Hans-Peter Nilsson  <hp@bitrange.com>
13918
13919         PR target/18701
13920         * combine.c (combine_simplify_rtx): Revert change of 2004-12-31.
13921
13922 2005-01-20  Paul Brook  <paul@codesourcery.com>
13923
13924         * doc/rtl.texi: Document value extension requirements for CONST_INT.
13925
13926 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
13927
13928         * tree-cfg.c (tree_verify_flow_info): Check that a nonlocal
13929         label is first in a sequence of labels.
13930
13931         * tree-cfg.c (tree_verify_flow_info): Fix a typo.
13932
13933 2005-01-20  Janis Johnson  <janis187@us.ibm.com>
13934             Giovanni Bajo  <giovannibajo@gcc.gnu.org>
13935
13936         * doc/sourcebuild.texi (Test Directives): New.
13937
13938 2005-01-20  Roger Sayle  <roger@eyesopen.com>
13939
13940         * real.c (real_floor): Don't leave the result uninitialized when
13941         mode is VOIDMode, but return the unrounded intermediate value.
13942         (real_ceil): Likewise.
13943
13944 2005-01-20  Paul Brook  <paul@codesourcery.com>
13945
13946         * config/arm/arm.md (insv): Use gen_int_mode.
13947
13948 2005-01-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
13949
13950         * config/sparc/freebsd.h (ASM_OUTPUT_INTERNAL_LABELREF): Delete.
13951         * config/sparc/linux.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
13952         * config/sparc/linux64.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
13953         * config/sparc/netbsd-elf.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
13954         * config/sparc/sol2.h (ASM_OUTPUT_INTERNAL_LABELREF): Likewise.
13955
13956 2005-01-20  Daniel Berlin  <dberlin@dberlin.org>
13957
13958         Fix PR debug/19124
13959         * dwarf2out.c (concat_loc_descriptor): We don't know we can use
13960         fbreg, so we have to assume we can't.
13961         (loc_descriptor_from_tree_1): Ditto.
13962         (containing_function_has_frame_base): New function.
13963         (add_location_or_const_value_attribute): Use it.
13964         Also try to generate a frame_base from a single element location
13965         list.
13966
13967 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
13968
13969         PR tree-optimization/15349
13970         * timevar.def (TV_TREE_MERGE_PHI): New.
13971         * tree-cfg.c (tree_forwarder_block_p): Add a new argument
13972         PHI_WANTED.
13973         (remove_forwarder_block, cleanup_forwarder_blocks): Adjust the
13974         calls to tree_forwarder_block_p.
13975         (remove_forwarder_block_with_phi, merge_phi_nodes,
13976         gate_merge_phi, pass_merge_phi): New.
13977         * tree-optimize.c (init_tree_optimization_passes): Add
13978         pass_merge_phi.
13979         * tree-pass.h: Add an extern for pass_merge_phi;
13980
13981 2005-01-20  Richard Henderson  <rth@redhat.com>
13982
13983         PR target/19418
13984         * config/i386/emmintrin.h (_mm_castpd_ps, _mm_castpd_si128): New.
13985         (_mm_castps_pd, _mm_castps_si128): New.
13986         (_mm_castsi128_ps, _mm_castsi128_pd): New.
13987
13988 2005-01-20  Richard Henderson  <rth@redhat.com>
13989
13990         PR target/19530
13991         * config/i386/mmintrin.h (_mm_cvtsi32_si64): Use
13992         __builtin_ia32_vec_init_v2si.
13993         (_mm_cvtsi64_si32): Use __builtin_ia32_vec_ext_v2si.
13994         * config/i386/i386.c (IX86_BUILTIN_VEC_EXT_V2SI): New.
13995         (ix86_init_mmx_sse_builtins): Create it.
13996         (ix86_expand_builtin): Expand it.
13997         (ix86_expand_vector_set): Handle V2SFmode and V2SImode.
13998         * config/i386/mmx.md (vec_extractv2sf_0, vec_extractv2sf_1): New.
13999         (vec_extractv2si_0, vec_extractv2si_1): New.
14000
14001 2005-01-20  Richard Henderson  <rth@redhat.com>
14002
14003         PR target/16533
14004         * config/i386/i386.c (ix86_expand_push): New.
14005         * config/i386/mmx.md (push<MMXMODE>1): New.
14006         * config/i386/sse.md (push<SSEMODE>1): New.
14007         * config/i386/i386-protos.h: Update.
14008
14009 2005-01-20  Kazu Hirata  <kazu@cs.umass.edu>
14010
14011         * params.def, params.h, predict.c, tree-ssa-loop-im.c: Update
14012         copyright.
14013
14014 2005-01-20  Richard Henderson  <rth@redhat.com>
14015
14016         * rtl.def (CONST_VECTOR): Use RTX_CONST_OBJ.
14017         * rtl.h (CONSTANT_P): Don't special case CONST_VECTOR.
14018
14019 2005-01-19  Richard Henderson  <rth@redhat.com>
14020
14021         PR target/19350
14022         * config/i386/i386.c (ix86_expand_vector_move_misalign): Convert
14023         to V4SFmode in SSE1 fallback load path.
14024
14025 2005-01-19  Richard Henderson  <rth@redhat.com>
14026
14027         * config/i386/i386.c (ix86_expand_vector_init_one_var): Fix typo
14028         in QImode expansion to ix86_expand_vector_set.
14029         (ix86_expand_vector_init_general): Fix typo in V8HImode recursive call.
14030
14031 2005-01-19  Richard Henderson  <rth@redhat.com>
14032
14033         PR target/19511
14034         * config/i386/i386.c (ix86_preferred_reload_class): Return a proper
14035         subclass of the input class.
14036         (ix86_secondary_memory_needed): Always true for cross-MMX classes.
14037         Always true for cross-SSE1 classes.  Rationalize conditionals.
14038         * config/i386/i386.h (SSE_CLASS_P, MMX_CLASS_P): Use straight equality.
14039         * config/i386/i386.md (movsi_1): Add MMX/SSE zeros.  Fix alternatives
14040         for SSE1.  Don't check TARGET_INTER_UNIT_MOVES.
14041         (movdi_2): Add MMX/SSE zeros.
14042         (movdi_1_rex64): Likewise.  Don't check TARGET_INTER_UNIT_MOVES.
14043         (movsf_1): Don't check TARGET_INTER_UNIT_MOVES.
14044         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
14045         (movsi_1_nointernunit, movdi_1_rex64_nointerunit): Remove.
14046         (movsf_1_nointerunit, zero_extendsidi2_32_1): Remove.
14047         (zero_extendsidi2_rex64_1): Remove.
14048         (MOV0 peephole): Check GENERAL_REG_P.
14049
14050 2005-01-19  Richard Henderson  <rth@redhat.com>
14051
14052         PR target/19427
14053         * config/i386/i386.c (ix86_expand_vector_set): Fix third and fourth
14054         shufps elements.
14055         (ix86_expand_vector_extract): Likewise.
14056
14057 2005-01-19  Richard Henderson  <rth@redhat.com>
14058
14059         PR middle-end/19304
14060         * expr.c (emit_move_change_mode): New argument force; use
14061         simplify_gen_subreg if true.
14062         (emit_move_via_alt_mode): Merge into ...
14063         (emit_move_via_integer): ... here.
14064         (emit_move_ccmode): Use emit_move_change_mode directly.
14065
14066 2005-01-19  Richard Henderson  <rth@redhat.com>
14067
14068         PR target/19518
14069         * config/alpha/alpha.c (alpha_rtx_costs): Handle HIGH.
14070         (alpha_preferred_reload_class): Handle CONST_VECTOR.
14071         (alpha_emit_set_const_1): Add no_output parameter; don't emit
14072         rtl if true.
14073         (alpha_emit_set_const): Likewise.  Make static.
14074         (alpha_emit_set_long_const): Make static.
14075         (alpha_extract_integer): Split out from alpha_expand_mov.
14076         (alpha_split_const_mov): Likewise.
14077         (alpha_expand_mov): Use them.  Handle CONST_VECTOR.
14078         (alpha_legitimate_constant_p): New.
14079         * config/alpha/alpha-protos.h: Update.
14080         * config/alpha/alpha.h (REGISTER_MOVE_COST): Correct fp<->gp cost.
14081         (LEGITIMATE_CONSTANT_P): Re-implement with a function.
14082         * config/alpha/alpha.md (movsi): Add n alternative.
14083         (movsi_nt_vms, movdi_er_nofix, movdi_er_fix, movdi_fix): Likewise.
14084         (mov<VEC>_fix, mov<VEC>_nofix): Add i alternative.
14085         (splitters for all of the above): Use alpha_split_const_mov.
14086         * config/alpha/predicates.md (non_add_const_operand): New.
14087         (non_zero_const_operand): New.
14088         (input_operand): Use alpha_legitimate_constant_p after reload.
14089
14090 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
14091
14092         PR tree-optimization/19038
14093         * tree-ssa-loop-ivopts.c (allow_ip_end_pos_p): New function.
14094         (add_candidate): Add ivs with increment in latch only if
14095         allow_ip_end_pos_p is true.
14096         (determine_iv_cost): Use empty_block_p.
14097
14098 2005-01-19  Daniel Berlin  <dberlin@dberlin.org>
14099
14100         * cfganal.c (compute_dominance_frontiers_1): Replace with new algorithm
14101         (compute_dominance_frontiers): Ditto.
14102
14103 2005-01-19  Ralf Corsepius  <ralf.corsepius@rtems.org>
14104
14105         PR target/19529
14106         * config/sh/t-rtems: New.
14107         * config.gcc (sh-*-rtems*): Reflect having added config/sh/t-rtems.
14108
14109 2005-01-19  Zdenek Dvorak  <dvorakz@suse.cz>
14110
14111         * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Always subtract
14112         the offset of the selected field.
14113
14114 2005-01-19  Kazu Hirata  <kazu@cs.umass.edu>
14115
14116         * tree-cfg.c (remove_forwarder_block): Fix the check to
14117         prevent a nonlocal label from appearing in the middle of a
14118         basic block.
14119
14120 2005-01-19  Hans-Peter Nilsson  <hp@axis.com>
14121
14122         PR rtl-optimization/19462
14123         * reorg.c (find_end_label): Create return insn only if
14124         current_function_epilogue_delay_list is empty.
14125
14126 2005-01-19  Paolo Bonzini  <bonzini@gnu.org>
14127
14128         * doc/passes.texi: Remove paragraph mentioning new-ra.
14129
14130 2005-01-19  Jakub Jelinek  <jakub@redhat.com>
14131
14132         PR rtl-optimization/15139
14133         * combine.c: Include params.h.
14134         (count_rtxs): New function.
14135         (record_value_for_reg): If replace_rtx would replace at least
14136         2 occurrences of REG in VALUE and TEM is really large, replace REG with
14137         (clobber (const_int 0)) instead of TEM.
14138         * params.def (PARAM_MAX_LAST_VALUE_RTL): New.
14139         * params.h (MAX_LAST_VALUE_RTL): New.
14140         * Makefile.in (combine.o): Depend on $(PARAMS_H).
14141         * doc/invoke.texi (--param max-last-value-rtl=N): Document.
14142
14143         PR c/17297
14144         * c-typeck.c (digest_init): Only call build_vector if all constructor
14145         elements are *_CST nodes.
14146         * gimplify.c (gimplify_init_constructor): Likewise.
14147
14148         PR middle-end/19164
14149         * c-typeck.c (digest_init): Only call build_vector if inside_init
14150         is a CONSTRUCTOR.
14151
14152 2005-01-18  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
14153
14154         * toplev.c (init_asm_output): Remove dead #ifdef.
14155
14156 2005-01-18  Kaz Kojima  <kkojima@gcc.gnu.org>
14157
14158         * config/sh/linux.h (TARGET_C99_FUNCTIONS): Define.
14159
14160 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
14161
14162         * calls.c (expand_call): Check DECL_BUILT_IN_CLASS before
14163         accessing DECL_FUNCTION_CODE.
14164         * dojump.c (do_jump): Likewise.
14165         * gimplify.c (gimplify_call_expr): Likewise.
14166         * predict.c (expr_expected_value): Likewise.
14167         (strip_builtin_expect): Likewise.
14168         * tree-inline.c (estimate_num_insns_1): Likewise.
14169         * tree-ssa-loop-im.c (stmt_cost): Likewise
14170         * fold-const.c (fold): Test for BUILT_IN_NORMAL.
14171         (tree_expr_nonnegative_p): Likewise.
14172
14173 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
14174
14175         * config/sparc/sparc.c (load_pic_register): Emit the appropriate
14176         variant of the load_pcrel_sym pattern.
14177         * config/sparc/sparc.md (P macro): Move to the top.
14178         (load_pcrel_sym): Macroize using P.
14179         (save_register_window): Likewise.
14180
14181 2005-01-18  Aldy Hernandez  <aldyh@redhat.com>
14182
14183         * config/rs6000/rs6000.md ("sunordered"): Disable for e500.
14184         ("sordered"): Same.
14185
14186 2005-01-18  Andrew Pinski  <pinskia@physics.uc.edu>
14187
14188         PR C/19472
14189         * c-typeck.c (build_asm_expr): Strip nops off
14190         input memory operands.
14191
14192 2005-01-18  David Edelsohn  <edelsohn@gnu.org>
14193
14194         * config/rs6000/aix43.h (CPLUSPLUS_CPP_SPEC): Delete
14195         _XOPEN_SOURCE, _XOPEN_SOURCE_EXTENDED, _LARGE_FILE_API.
14196         * config/rs6000/aix51.h (CPLUSPLUS_CPP_SPEC): Same.
14197         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Same.
14198
14199 2005-01-18  Joel Sherrill <joel.sherrill@oarcorp.com>
14200
14201         PR target/19379
14202         * config/i386/i386.c (override_options): If the 80387 is disabled,
14203         then do not return FP values using FP registers.
14204
14205 2005-01-18  Kazu Hirata  <kazu@cs.umass.edu>
14206
14207         * basic-block.h, c-common.c, c-cppbuiltin.c, c-lang.c,
14208         c-tree.h, cfgbuild.c, cgraph.c, cgraph.h, collect2.c,
14209         combine.c, config.gcc, coverage.h, cse.c, cselib.c,
14210         defaults.h, df.c, dwarf2asm.c, dwarf2out.c, explow.c, expr.c,
14211         flow.c, fold-const.c, gcse.c, ggc-page.c, gimple-low.c,
14212         gimplify.c, ifcvt.c, langhooks-def.h, lcm.c, optabs.h,
14213         output.h, postreload-gcse.c, postreload.c, recog.c,
14214         resource.c, rtl.def, rtlanal.c, sched-deps.c, sched-rgn.c,
14215         targhooks.h, toplev.c, tree-data-ref.c, tree-eh.c,
14216         tree-flow.h, tree-loop-linear.c, tree-mudflap.h, tree-nrv.c,
14217         tree-optimize.c, tree-outof-ssa.c, tree-pass.h,
14218         tree-scalar-evolution.c, tree-ssa-copy.c, tree-ssa-dce.c,
14219         tree-ssa-dse.c, tree-ssa-loop-ivopts.c, tree-ssa-operands.c,
14220         tree-ssa-pre.c, tree-ssa.c, tree-vectorizer.c, tree.def,
14221         unwind-dw2-fde-darwin.c, var-tracking.c: Update copyright.
14222
14223         * config/darwin.c, config/darwin.h, config/freebsd-spec.h,
14224         config/alpha/alpha.c, config/arm/vfp.md,
14225         config/i386/emmintrin.h, config/i386/i386-modes.def,
14226         config/i386/i386-protos.h, config/i386/i386.h,
14227         config/i386/pmmintrin.h, config/i386/ppro.md,
14228         config/i386/predicates.md, config/i386/xmmintrin.h,
14229         config/i860/i860.c, config/ia64/ia64-modes.def,
14230         config/ia64/ia64-protos.h, config/ia64/ia64.h,
14231         config/ia64/ia64.md, config/ia64/itanium1.md,
14232         config/ia64/itanium2.md, config/ia64/predicates.md,
14233         config/iq2000/iq2000.h, config/mips/linux64.h,
14234         config/rs6000/aix41.h, config/rs6000/aix43.h,
14235         config/rs6000/aix52.h, config/rs6000/darwin-fallback.c,
14236         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
14237         config/rs6000/spe.md, config/sh/sh.md, config/sparc/linux.h,
14238         config/sparc/linux64.h, config/sparc/litecoff.h,
14239         config/sparc/sp64-elf.h, config/sparc/sparc.c,
14240         config/sparc/sparc.h, config/sparc/sparc.md,
14241         config/sparc/sysv4-only.h: Update copyright.
14242
14243 2005-01-18  Richard Henderson  <rth@redhat.com>
14244
14245         PR target/19496
14246         * config/i386/i386.c (ix86_expand_fp_movcc): Fail for LTGT and UNEQ.
14247
14248 2005-01-18  Marc Espie  <espie@openbsd.org>
14249         * config/i386/openbsdelf.h: Typo.
14250
14251 2005-01-18  Richard Henderson  <rth@redhat.com>
14252
14253         * config/i386/i386.c (ix86_expand_fp_movcc): Remove TARGET_IEEE_FP
14254         special case for sse.
14255         * config/i386/predicates.md (sse_comparison_operator): Likewise.
14256
14257 2005-01-18  Dorit Naishlos  <dorit@il.ibm.com>
14258
14259         * tree-inline.c (estimate_num_insns_1): Added cases for
14260         ALIGN_INDIRECT_REF, MISALIGNED_INDIRECT_REF, and REALIGN_LOAD_EXPR.
14261
14262 2005-01-18  Eric Botcazou  <ebotcazou@libertysurf.fr>
14263
14264         PR rtl-optimization/19296
14265         * combine.c (simplify_comparison): Rewrite the condition under
14266         which a non-paradoxical SUBREG of a PLUS can be lifted when
14267         compared against a constant.
14268
14269 2005-01-18  Andi Kleen <ak@muc.de>
14270
14271         * c-typeck.c: (convert_for_assignment): Check warn_pointer_sign.
14272         * c.opt (-Wpointer-sign): Add.
14273         * doc/invoke.texi: (-Wpointer-sign): Add.
14274
14275 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
14276
14277         * config/i386/i386.c (override_options): Revert 2004-11-24 change.
14278         * config/i386/i386.md (fmodsf3, dremsf3, *sinsf2, *cossf2, sincossf3,
14279         *tansf3_1, tansf2, atan2sf3_1, atan2sf3, atansf2, asinsf2, acossf2,
14280         logsf2, log10sf2, log2sf2, log1psf2, logbsf2, ilogbsf2, expsf2,
14281         exp10sf2, exp2sf2, expm1sf2, rintsf2, floorsf2, ceilsf2, btruncsf2,
14282         nearbyintsf2): Disable for TARGET_SSE_MATH.  Leave patterns enabled
14283         for TARGET_MIX_SSE_I387.
14284         (fmoddf3, dremdf3, *sindf2, *sinextendsfdf2, *cosdf2, *cosextendsfdf2,
14285         sincosdf3, *sincosextendsfdf3, *tandf3_1, tandf2, atan2df3_1,
14286         atan2df3, atandf2, asindf2, acosdf2, logdf2, log10df2, log2df2,
14287         log1pdf2, logbdf2, expdf2, exp10df2, exp2df2, expm1df2, rintdf2,
14288         floordf2, ceildf2, btruncdf2, nearbyintdf2): Disable for
14289         (TARGET_SSE2 && TARGET_SSE_MATH).  Leave patterns enabled for
14290         TARGET_MIX_SSE_I387.
14291         (atan2sf3, atan2df3, atan2xf3): Remove register constraints
14292         from expander.
14293
14294 2005-01-18  Uros Bizjak  <uros@kss-loka.si>
14295
14296         PR target/19424
14297         * config/i386/mmx.md (*movv2sf_internal_rex64, *movv2sf_internal):
14298         Add movaps alternative for xmm reg->reg move.
14299
14300 2005-01-17  Jeff Law  <law@redhat.com>
14301
14302         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Clear SSA_NAME_VALUE
14303         at the end of the main DOM loop rather than just before DOM exits.
14304
14305 2005-01-17  Diego Novillo  <dnovillo@redhat.com>
14306
14307         PR tree-optimization/19121
14308         * tree-ssa-alias.c (compute_flow_sensitive_aliasing): When
14309         adding aliases to a name tag, also add them to the pointer's
14310         type tag.
14311         * tree-ssa-copy.c (merge_alias_info): Do not merge flow
14312         sensitive alias info at all.  Only check that the two pointers
14313         have compatible pointed-to sets.
14314         * tree-ssa.c (verify_name_tags): Verify that the alias set of
14315         a pointer's type tag is a superset of the alias set of the
14316         pointer's name tag.
14317
14318 2005-01-17  James E Wilson  <wilson@specifixinc.com>
14319
14320         PR target/19357
14321         * config/ia64/ia64.md (movxf): Handle general register source.  Adjust
14322         comment to document why.
14323
14324 2005-01-17  Richard Henderson  <rth@redhat.com>
14325
14326         * config/i386/sse.md (smaxv4sf3_finite, sse_vmsmaxv4sf3_finite,
14327         sminv4sf3_finite, sse_vmsminv4sf3_finite, smaxv2df3_finite,
14328         sse2_vmsmaxv2df3_finite, sminv2df3_finite,
14329         sse2_vmsminv2df3_finite): New.
14330         (smaxv4sf3, sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, smaxv2df3,
14331         sse2_vmsmaxv2df3, sminv2df3, sse2_vmsminv2df3): Remove commutative.
14332         Force op1 into register.
14333
14334 2005-01-17  Kelley Cook  <kcook@gcc.gnu.org>
14335
14336         * Makefile.in (STAGEMOVESTUFF): Stage all the stamp files to prevent
14337         bubblestrap from always rebuilding build directory.
14338
14339 2005-01-17  Ulrich Weigand  <uweigand@de.ibm.com>
14340
14341         * config/s390/s390.md ("*clc"): Remove incorrect '='.
14342         ("*cmpmem_short"): Likewise.
14343
14344 2005-01-17  Steven Bosscher  <stevenb@suse.de>
14345
14346         * basic-block.h: Document BB_* flags.
14347         * regrename.c (copyprop_hardreg_forward): Don't use BB_VISITED,
14348         use an sbitmap instead.
14349         * sched-rgn.c (compute_trg_info): Likewise.
14350
14351 2005-01-17  Richard Sandiford  <rsandifo@redhat.com>
14352
14353         * config.gcc (mips64*-*-linux*): Set the default abi to n32.  Remove
14354         redundant target_cpu_default and extra_parts lines.  Use the default
14355         "from-abi" ISA.
14356         * config/mips/linux64.h (DRIVER_DEFAULT_ABI_SELF_SPEC): Delete.
14357         (SUBTARGET_EXTRA_SPECS): Delete.
14358         (DRIVER_SELF_SPECS): Remove architecture lines.  Set the ABI directly.
14359         (SUBTARGET_ASM_SPEC): Remove -mabi=n32 and -mabi=64 mappings.
14360         * config/mips/t-linux64 (MULTILIB_DIRNAMES): Use "32" for -mabi=32
14361         and "n32" for -mabi=n32.
14362
14363 2005-01-17  Ian Lance Taylor  <ian@airs.com>
14364
14365         PR c/5675
14366         * c-typeck.c (build_c_cast): Revert patch of 2003-02-16: don't
14367         fold constant variables into initial values.
14368
14369 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
14370
14371         * tree-cfg.c (tree_can_merge_blocks_p): Reorder two checks.
14372
14373         * tree-cfg.c (tree_forwarder_block_p): Speed up by walking
14374         through the statements backward.
14375
14376 2005-01-17  Ian Lance Taylor  <ian@airs.com>
14377
14378         PR middle-end/13127:
14379         * tree-inline.c (expand_call_inline): Set TREE_NO_WARNING on
14380         a variable set to the return value of the inlined function.
14381
14382 2005-01-17  Mark Dettinger  <dettinge@de.ibm.com>
14383
14384         * rtlanal.c (rtx_cost): Assign cost of 0 to a SUBREG
14385         when modes are tieable.
14386
14387 2005-01-17  Ranjit Mathew  <rmathew@hotmail.com>
14388
14389         * gthr-posix.h (__gthread_active_p): Use pthread_cancel instead
14390         of pthread_create to find out if threads are enabled.
14391         * gthr-posix95.h (__gthread_active_p): Likewise.
14392
14393 2005-01-17  Paolo Bonzini  <bonzini@gnu.org>
14394
14395         * common.opt (-fnew-ra): Remove.
14396         * ra*.*: Remove.
14397         * toplev.h (flag_new_regalloc): Remove.
14398         * Makefile.in (ra*.*): Don't mention.
14399         * passes.c (rest_of_handle_new_regalloc): Remove.
14400         (rest_of_handle_combine, rest_of_compilation): Always consider
14401         flag_new_regalloc as false.
14402         * doc/invoke.texi: Don't document -fnew-ra.
14403
14404 2005-01-17  Paolo Bonzini <bonzini@gnu.org>
14405
14406         * bb-reorder.c (fix_edges_for_rarely_executed_code): Remove
14407         last parameter to reg_scan.
14408         * loop.c (loop_optimize): Likewise.
14409         * passes.c (rest_of_handle_tracer, rest_of_handle_if_conversion,
14410         rest_of_handle_web, rest_of_handle_cfg, rest_of_handle_jump_bypass,
14411         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
14412         rest_of_handle_gcse, rest_of_handle_loop_optimize,
14413         rest_of_handle_loop2, rest_of_handle_jump2): Likewise.
14414         * regclass.c (reg_scan): Likewise, for the declaration.
14415         * rtl.h (reg_scan): Likewise, for the prototype.
14416
14417 2005-01-17  Kazu Hirata  <kazu@cs.umass.edu>
14418
14419         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Don't call
14420         mark_dfs_back_edges.
14421
14422 2005-01-16  Daniel Berlin  <dberlin@dberlin.org>
14423
14424         * tree-ssa-pre.c (add_to_sets): s1 may be NULL.
14425         (compute_avail): Uses don't go in tmp_gen.
14426
14427 2005-01-16  Steven Bosscher  <stevenb@suse.de>
14428
14429         * ggc-page.c (ggc_alloc_stat): Use __builtin_ctzl instead of a
14430         loop to look for a free slot in a page entry.
14431
14432 2005-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14433
14434         PR target/16304
14435         * defaults.h (TARGET_DEFERRED_OUTPUT_DEFS): Provide default.
14436         * toplev.c (compile_file): Call process_pending_assemble_output_defs
14437         just before targetm.asm_out.file_end.
14438         * tree.h (process_pending_assemble_output_defs): Declare.
14439         * varasm.c (assemble_output_def, process_pending_assemble_output_defs):
14440         New functions.
14441         (assemble_alias): Defer generation of assembly code for defines when
14442         TARGET_DEFERRED_OUTPUT_DEFS is true.
14443         * config/rs6000/aix41.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
14444         * config/rs6000/aix43.h (TARGET_DEFERRED_OUTPUT_DEFS): Define.
14445         * doc/tm.texi (TARGET_DEFERRED_OUTPUT_DEFS): document.
14446
14447 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14448
14449         PR target/19336
14450         * pa.c (pa_scalar_mode_supported_p): New function.
14451         (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
14452         * pa.h (MIN_UNITS_PER_WORD): Add comment.
14453
14454         * pa-protos.h (prefetch_operand): Delete.
14455         (prefetch_cc_operand, prefetch_nocc_operand): New declations.
14456         * pa.c (prefetch_operand): Delete.
14457         (prefetch_cc_operand, prefetch_nocc_operand): New functions.
14458         * pa.h (EXTRA_CONSTRAINT): Add `W' constraint.
14459         (PREDICATE_CODES): Delete prefetch_operand.  Add prefetch_cc_operand
14460         and prefetch_nocc_operand.
14461         * pa.md (prefetch): Rework to avoid reload problems handling short
14462         displacements when a cache control completer needs to be provided.
14463         (prefetch_32, prefetch_64): Delete.
14464         (prefetch_cc, prefetch_nocc): New patterns.
14465
14466 2005-01-15  David Edelsohn  <edelsohn@gnu.org>
14467
14468         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Revert previous change.
14469
14470 2005-01-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
14471
14472         PR ada/19388
14473         * pa.c (pa_asm_output_aligned_common): Warn if specified alignment
14474         exceeds maximum alignment for global common data.
14475         * pa64-hpux.h (MAX_OFILE_ALIGNMENT): Define to 32768.
14476         * som.h (MAX_OFILE_ALIGNMENT): Likewise.
14477
14478 2004-01-15  Roger Sayle  <roger@eyesopen.com>
14479
14480         * tree-ssa-dom.c (extract_range_from_cond): Correct condition.
14481
14482 2004-01-15  Roger Sayle  <roger@eyesopen.com>
14483
14484         * harg-reg-set.h (reg_class_names): Prototype global array.
14485         * regclass.c (reg_class_names): Declare here and initialize to
14486         REG_CLASS_NAMES.
14487         (dump_regclass): Remove local declaration of reg_class_names.
14488         (regclass): Likewise.
14489         * cfg.c (dump_flow_info): Likewise.
14490         * ra-debug.c (reg_class_names): Likewise.
14491         * regrename.c (reg_class_names): Likewise.
14492         * reload.c (reg_class_names): Likewise.
14493         * reload1.c (spill_failure): Likewise.
14494         * config/m68hc11/m68hc11.c (reg_class_names): Likewise.
14495
14496 2005-01-15  Ulrich Weigand  <uweigand@de.ibm.com>
14497
14498         * config/s390/s390.md ("reload_outti"): Remove predicate for
14499         output operand.  Abort if operand is not a MEM.
14500         ("reload_outdi", "reload_outdf"): Likewise.
14501
14502 2005-01-15  Marc Espie  <espie@openbsd.org>
14503
14504         * config.gcc (*-*-openbsd*): Set HAS_LIBC_R for OpenBSD <= 3.2.
14505         (i[34567]86-*-openbsd*): Switch to ELF for OpenBSD >= 3.4.
14506         * config/openbsd.h:  Fix C++ includes for native configurations.
14507         Add proper OS_CPP_BUILTINS.  Fix libspec for recent OpenBSD.
14508         Add trampoline support.
14509         * config/i386/openbsdelf.h: New.
14510
14511 2005-01-15  Marc Espie  <espie@openbsd.org>
14512
14513         * collect2.c (main): Explicitly parse -dynamic-linker option.
14514
14515 2005-01-15  Jakub Jelinek  <jakub@redhat.com>
14516
14517         PR tree-optimization/19060
14518         * tree-ssa-dom.c (extract_range_from_cond) <case LT_EXPR, GT_EXPR>:
14519         Return 0 if op1 <= TYPE_MIN_VALUE () resp. op1 >= TYPE_MAX_VALUE ().
14520         (simplify_cond_and_lookup_avail_expr): Add assert for dummy == 0
14521         and handle extract_range_from_cond returning false.
14522         * fold-const.c (fold): Optimize comparisons with min/max even for
14523         width > HOST_BITS_PER_WIDE_INT.
14524
14525 2005-01-15  Ralf Corsepius  <ralf.corsepius@rtems.org>
14526
14527         * config/mips/rtems.h (MIPS_DEFAULT_GVALUE): Set to 0.
14528         * config/mips/t-rtems (MULTILIBS_DIRNAMES,MULTILIB_OPTIONS):
14529         Remove little endian multilib variants.
14530         Add mips32 multilib variant.
14531
14532 2005-01-15  Kazu Hirata  <kazu@cs.umass.edu>
14533
14534         * explow.c (copy_all_reg, stabilize): Remove.
14535         * expr.h: Remove the corresponding prototypes.
14536
14537         * rtlanal.c (regs_set_between_p): Remove.
14538         * rtl.h: Remove the corresponding prototype.
14539
14540 2005-01-14  David Edelsohn  <edelsohn@gnu.org>
14541
14542         * config/rs6000/rs6000.c (rs6k_nonimmediate_operand): Rename
14543         to rs6000_nonimmediate_operand.
14544         * config/rs6000/rs6000.h (PREDICATE_CODES): Rename
14545         rs6k_nonimmediate_operand to rs6000_nonimmediate_operand.
14546         * config/rs6000/rs6000.md (movsi_internal1): Rename predicate to
14547         rs6000_nonimmediate_operand.
14548         * config/rs6000/spe.md (movdf_e500_double): Rename predicate to
14549         rs6000_nonimmediate_operand.
14550
14551 2005-01-14  Andrew Pinski  <pinskia@physics.uc.edu>
14552
14553         * tree-ssa-alias.c (pass_may_alias): Add TODO_verify_stmts.
14554
14555 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
14556
14557         * config/rs6000/rs6000.h (CLASS_MAX_NREGS): DF goes in 1 register
14558         on e500v2.
14559         (CANNOT_CHANGE_MODE_CLASS): Restrict DI mode changes on e500v2.
14560         (PREDICATE_CODES): Add rs6k_nonimmediate_operand.
14561
14562         * config/rs6000/rs6000.c (invalid_e500_subreg): New.
14563         (rs6k_nonimmediate_operand): New.
14564         (rs6000_legitimate_offset_address_p): Handle DI modes on e500v2
14565         correctly.
14566         (legitimate_lo_sum_address_p): Same.
14567         (rs6000_legitimize_address): Same.
14568         (rs6000_legitimize_reload_address): Same.
14569         (rs6000_legitimate_address): Same.
14570         (spe_build_register_parallel): Pass DF and DC modes in a DI
14571         register.
14572
14573         * config/rs6000/rs6000.md ("*movsi_internal1"): Change predicate
14574         to rs6k_nonimmediate_operand.
14575
14576         * config/rs6000/spe.md ("*frob_df_di"): New.
14577         ("*frob_di_df"): New.
14578         ("*frob_di_df_2"): New.
14579         ("*mov_sidf_e500_subreg0"): New.
14580         ("*mov_sidf_e500_subreg4"): New.
14581         ("*movdf_e500_double"): Change predicate to
14582         rs6k_nonimmediate_operand.
14583
14584 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
14585
14586         * postreload.c (move2add_note_store): Only call
14587         trunc_int_for_mode on scalar integers.
14588
14589 2005-01-14  Steven Bosscher  <stevenb@suse.de>
14590
14591         * tree-ssa-dce.c (visited_control_parents): New sbitmap to
14592         replace BB_VISITED uses.
14593         (find_obviously_necessary_stmts): Don't clear BB_VISITED.
14594         (propagate_necessity): Check the bitmap instead of BB_VISITED.
14595         (tree_dce_done): Free visited_control_parents.
14596         (perform_tree_ssa_dce): Allocate and clear it.
14597         * tree-ssa-pre.c (compute_antic_aux): Make non-recursive.
14598         (compute_antic): Iterate from here using a DFS.  Use an sbitmap
14599         instead of BB_VISITED.
14600
14601 2005-01-14  Kazu Hirata  <kazu@cs.umass.edu>
14602
14603         * c-tree.h, coverage.h, langhooks-def.h, optabs.h, output.h,
14604         rtl.h, targhooks.h, tree-flow.h, tree-mudflap.h, tree.h:
14605         Remove unused prototypes.
14606
14607 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
14608
14609         * config/rs6000/rs6000.c (rs6000_stack_info): Fix caching of SPE
14610         64-bit register usage.
14611         (spe_func_has_64bit_regs_p): Add FIXME note.
14612
14613 2005-01-14  Aldy Hernandez  <aldyh@redhat.com>
14614
14615         * config/rs6000/rs6000.c (rs6000_generate_compare): Replace
14616         flag_finite_math_only with flag_unsafe_math_optimizations.
14617
14618 2005-01-14  J. D. Johnston  <jjohnst@us.ibm.com>
14619
14620         * config/s390/tpf-unwind.h (s390_fallback_frame_state): Correct
14621         end-of-stack check.
14622         (__tpf_eh_return): Copy TPF private stack area from the module
14623         boundary stack frame.  Add check for when module addresses are
14624         equal, but no stub address is found.
14625
14626 2005-01-14  Richard Earnshaw  <rearnsha@arm.com>
14627
14628         PR target/7525
14629         * arm.h (struct machine_function): Add call_via field.
14630         (thumb_call_via_label): Declare.
14631         * arm.c (thumb_call_via_label): New variable.
14632         (thumb_call_reg_needed): New variable.
14633         (arm_output_function_epilogue): For Thumb code, output any per-function
14634         call-indirect trampolines.
14635         (thumb_call_via_reg): New function.
14636         (arm_file_end): New function.
14637         (TARGET_ASM_FILE_END): Call arm_file_end.
14638         (aof_file_end): Likewise.
14639         * arm-protos.h (thumb_call_via_reg): Declare.
14640         * arm.md (call_reg_thumb, call_value_reg_thumb): Call
14641         thumb_call_via_reg in normal case.
14642
14643 2005-01-14  Jakub Jelinek  <jakub@redhat.com>
14644
14645         PR middle-end/19084
14646         PR rtl-optimization/19348
14647         * recog.c (peephole2_optimize): Do global life update if some peephole
14648         decides it doesn't need at least one of its inputs and that change
14649         influences liveness at the start of the basic block.
14650
14651         * basic-block.h (EXECUTE_IF_AND_COMPL_IN_REG_SET): Needs 2 REGSET
14652         arguments instead of 1.
14653
14654 2005-01-14  Eric Botcazou  <ebotcazou@libertysurf.fr>
14655
14656         PR middle-end/18820
14657         * varasm.c (initializer_constant_valid_p) <ADDR_EXPR>: Return
14658         zero for nested functions needing a static chain or functions
14659         with a non-constant address.
14660
14661 2005-01-13  Roger Sayle  <roger@eyesopen.com>
14662
14663         * simplify-rtx.c (simplify_binary_operation) <AND>: Optimize
14664         (and (sign_extend X) C) into (zero_extend (and X C)).
14665
14666 2005-01-13  David O'Brien  <obrien@FreeBSD.org>
14667
14668         * config/freebsd-spec.h:  Make KSE pthread lib logic the default.
14669
14670 2005-01-13  Richard Henderson  <rth@redhat.com>
14671
14672         PR target/19009
14673         PR target/19250
14674         PR target/19252
14675         * config/i386/i386.md (cmpdf, cmpsf, bunordered, bordered, buneq,
14676         bunge, bungt, bunle, bunlt, bltgt): Enable for TARGET_SSE_MATH,
14677         not just TARGET_SSE.
14678         (cmpfp_i_387): Rename from cmpfp_i.  Move after sse patterns.
14679         (cmpfp_i_mixed): Rename from cmpfp_i_sse; use for TARGET_MIX_SSE_I387.
14680         (cmpfp_i_sse): Rename from cmpfp_i_sse_only; use for TARGET_SSE_MATH.
14681         (cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387): Similarly.
14682         (fp_jcc_1_mixed, fp_jcc_1_sse, fp_jcc_1_387): Similarly.
14683         (fp_jcc_2_mixed, fp_jcc_2_sse, fp_jcc_2_387): Similarly.
14684         (fp_jcc_3_387, fp_jcc_4_387, fp_jcc_5_387, fp_jcc_6_387,
14685         fp_jcc_7_387, fp_jcc_8_387): Rename from fp_jcc_N.
14686         (movdicc_c_rex64): Rename with '*'.
14687         (movsfcc, movdfcc): Add checks for 387 and sse math to condition.
14688         (movsfcc_1_sse_min, movsfcc_1_sse_max, movsfcc_1_sse): New.
14689         (movsfcc_1_387): Rename from movsfcc_1.
14690         (movdfcc_1_sse_min, movdfcc_1_sse_max, movdfcc_1_sse): New.
14691         (movdfcc_1, movdfcc_1_rex64): Add check for 387.
14692         (sminsf3, smaxsf3, smindf3, smaxdf3): New.
14693         (minsf3, minsf, minsf_nonieee, minsf_sse, mindf3, mindf,
14694         mindf_nonieee, mindf_sse, maxsf3, maxsf, maxsf_nonieee, maxsf_sse,
14695         maxdf3, maxdf, maxdf_nonieee, maxdf_sse, sse_movsfcc, sse_movsfcc_eq,
14696         sse_movdfcc, sse_movdfcc_eq, sse_movsfcc_const0_1,
14697         sse_movsfcc_const0_2, sse_movsfcc_const0_3, sse_movsfcc_const0_4,
14698         sse_movdfcc_const0_1, sse_movdfcc_const0_2, sse_movdfcc_const0_3,
14699         sse_movdfcc_const0_4): Remove.
14700         * config/i386/i386.c (ix86_expand_fp_movcc): For TARGET_SSE_MATH,
14701         recognize min/max early.  Update for changed sse cmove patterns.
14702         (ix86_split_sse_movcc): New.
14703         * config/i386/i386-protos.h: Update.
14704
14705 2005-01-13  Steven Bosscher  <stevenb@suse.de>
14706
14707         * tree-ssa-dse.c (fix_phi_uses): Use SSA operand iterators.
14708         (fix_stmt_v_may_defs): Likewise.
14709
14710 2005-01-13  Richard Henderson  <rth@redhat.com>
14711
14712         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Use elt_mode
14713         for converting the mask.
14714
14715 2005-01-13  David Edelsohn  <edelsohn@gnu.org>
14716
14717         * config/rs6000/aix52.h (CPLUSPLUS_CPP_SPEC): Change _XOPEN_SOURCE
14718         definition to 600.
14719
14720 2005-01-13  Richard Henderson  <rth@redhat.com>
14721
14722         * config/i386/i386.c (IX86_BUILTIN_MOVQ, IX86_BUILTIN_LOADD,
14723         IX86_BUILTIN_STORED, IX86_BUILTIN_MOVQ2DQ,
14724         IX86_BUILTIN_MOVDQ2Q): Remove.
14725         (IX86_BUILTIN_VEC_EXT_V4SI): New.
14726         (ix86_init_mmx_sse_builtins, ix86_expand_builtin): Update to match.
14727         (ix86_expand_vector_extract): For V4S[FI], extract element 0 after
14728         shuffling.
14729         * config/i386/sse.md (sse_concatv2sf): Accept zero operand 2.
14730         (sse2_pextrw): Fix immediate constraint.
14731         (sse2_loadq, sse2_loadq_rex64): Remove.
14732         * config/i386/emmintrin.h (_mm_cvtsi128_si32, _mm_cvtsi128_si64x):
14733         Use __builtin_ia32_vec_ext_<size>.
14734         (_mm_cvtsi32_si128, _mm_cvtsi64x_si128): Use _mm_set_epi<size>.
14735
14736 2005-01-13  Aldy Hernandez  <aldyh@redhat.com>
14737
14738         * function.c (assign_parm_setup_block): Look inside original
14739         entry_parm when inspecting PARALLEL.
14740
14741 2005-01-13  Ralf Corsepius  <ralf.corsepius@rtems.org>
14742             Joel Sherrill  <joel@oarcorp.com>
14743
14744         PR target/19399
14745         * gthr-rtems.h (__gthread_recursive_mutex_t): New type.
14746         (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION): Define to
14747         rtems_gxx_recursive_mutex_init.
14748         (__gthread_recursive_mutex_lock): New function.
14749         (__gthread_recursive_mutex_trylock): Likewise.
14750         (__gthread_recursive_mutex_unlock): Likewise.
14751
14752 2005-01-13  Ralf Corsepius <ralf.corsepius@rtems.org>
14753
14754         * config/i386/t-rtems-i386: Multilib on -mtune instead of -mcpu.
14755
14756 2005-01-13  Jan Beulich  <jbeulich@novell.com>
14757
14758         * config/ia64/ia64.md (ashlti3, ashlti3_internal): New.
14759         (ashrti3_internal): Indicate output is early clobber. Generate result
14760         into output rather than first input. Use move for low word of output
14761         if shift count is exactly 64.
14762         (lshrti3_internal): Likewise.
14763
14764 2005-01-13  Hans-Peter Nilsson  <hp@bitrange.com>
14765
14766         PR target/18329
14767         PR target/18330
14768         * reload1.c (delete_output_reload): Don't delete an output reload
14769         if the pseudo lives longer than a single basic block.  Adjust and
14770         improve wording of comment.
14771
14772 2005-01-12  Andrew Pinski  <pinskia@physics.uc.edu>
14773
14774         PR target/19334
14775         * config/darwin.c (machopic_select_section): Use TYPE_SIZE_UNIT instead
14776         of TYPE_SIZE where we mean the number of bytes.
14777
14778 2005-01-12  Aldy Hernandez  <aldyh@redhat.com>
14779
14780         * function.c (assign_parm_setup_block): Relax condition on
14781         multi-register optimization.
14782
14783 2005-01-12  Nick Clifton  <nickc@redhat.com>
14784
14785         * config/sh/sh.md (udivsi3_sh2a, divsi3_sh2a): Give these patterns
14786         an "in_delay_slot" attribute of "no" to prevent them being used in
14787         delay slots.  This is forbidden because they might generate
14788         exceptions.
14789
14790 2005-01-12  Alan Modra  <amodra@bigpond.net.au>
14791
14792         PR target/19389
14793         * config/rs6000/rs6000.md (movtf_internal): Replace r->o and m->r
14794         with r->Y and Y->r.
14795
14796 2005-01-12  Nick Clifton  <nickc@redhat.com>
14797
14798         * config/iq2000/iq2000.h (ASM_SPEC): Undefine (to stop -Qy being
14799         passed on to GAS) but do not define, as GAS no longer supports or
14800         needs the -m2000 option.
14801
14802 2005-01-11  Roger Sayle  <roger@eyesopen.com>
14803
14804         * builtins.c (fold_builtin_fabs): Convert argument to the appropriate
14805         type as args of unprototyped builtins aren't automatically promoted.
14806         (fold_builtin_abs): Likewise.
14807
14808 2005-01-11  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
14809
14810         * Makefile.in: Set a `build-warn' variable.
14811
14812 2005-01-11  Zdenek Dvorak  <dvorakz@suse.cz>
14813
14814         PR tree-optimization/17949
14815         * tree-ssa-loop-ivopts.c (may_be_unaligned_p): New function.
14816         (find_interesting_uses_address): Use it.
14817
14818 2005-01-11  Aldy Hernandez  <aldyh@redhat.com>
14819
14820         * regrename.c (kill_value): Handle subreg's that won't simplify.
14821
14822 2005-01-11  Richard Henderson  <rth@redhat.com>
14823
14824         PR target/13366
14825         * config/i386/i386.h (enum ix86_builtins): Move ...
14826         * config/i386/i386.c: ... here.
14827         (IX86_BUILTIN_MOVDDUP, IX86_BUILTIN_MMX_ZERO, IX86_BUILTIN_PEXTRW,
14828         IX86_BUILTIN_PINSRW, IX86_BUILTIN_LOADAPS, IX86_BUILTIN_LOADSS,
14829         IX86_BUILTIN_STORESS, IX86_BUILTIN_SSE_ZERO, IX86_BUILTIN_PEXTRW128,
14830         IX86_BUILTIN_PINSRW128, IX86_BUILTIN_LOADAPD, IX86_BUILTIN_LOADSD,
14831         IX86_BUILTIN_STOREAPD, IX86_BUILTIN_STORESD,  IX86_BUILTIN_STOREHPD,
14832         IX86_BUILTIN_STORELPD, IX86_BUILTIN_SETPD1, IX86_BUILTIN_SETPD,
14833         IX86_BUILTIN_CLRPD, IX86_BUILTIN_LOADPD1, IX86_BUILTIN_LOADRPD,
14834         IX86_BUILTIN_STOREPD1, IX86_BUILTIN_STORERPD, IX86_BUILTIN_LOADDQA,
14835         IX86_BUILTIN_STOREDQA, IX86_BUILTIN_CLRTI,
14836         IX86_BUILTIN_LOADDDUP): Remove.
14837         (IX86_BUILTIN_VEC_INIT_V2SI, IX86_BUILTIN_VEC_INIT_V4HI,
14838         IX86_BUILTIN_VEC_INIT_V8QI, IX86_BUILTIN_VEC_EXT_V2DF,
14839         IX86_BUILTIN_VEC_EXT_V2DI, IX86_BUILTIN_VEC_EXT_V4SF,
14840         IX86_BUILTIN_VEC_EXT_V8HI, IX86_BUILTIN_VEC_EXT_V4HI,
14841         IX86_BUILTIN_VEC_SET_V8HI, IX86_BUILTIN_VEC_SET_V4HI): New.
14842         (ix86_init_builtins): Make static.
14843         (ix86_init_mmx_sse_builtins): Update for changed builtins.
14844         (ix86_expand_binop_builtin): Only use ix86_fixup_binary_operands
14845         if all the modes match.  Otherwise, fake it.
14846         (get_element_number, ix86_expand_vec_init_builtin,
14847         ix86_expand_vec_ext_builtin, ix86_expand_vec_set_builtin): New.
14848         (ix86_expand_builtin): Make static.  Update for changed builtins.
14849         (ix86_expand_vector_move_misalign): Use sse2_loadlpd with zero
14850         operand instead of sse2_loadsd.  Cast sse1 fallback to V4SFmode.
14851         (ix86_expand_vector_init_duplicate): New.
14852         (ix86_expand_vector_init_low_nonzero): New.
14853         (ix86_expand_vector_init_one_var, ix86_expand_vector_init_general):
14854         Split out from ix86_expand_vector_init; handle integer modes.
14855         (ix86_expand_vector_init): Use them.
14856         (ix86_expand_vector_set, ix86_expand_vector_extract): New.
14857         * config/i386/i386-protos.h: Update.
14858         * config/i386/predicates.md (reg_or_0_operand): New.
14859         * config/i386/mmx.md (mov<MMXMODEI>_internal): Add 'r' variants.
14860         (movv2sf_internal): Likewise.  And a splitter to match them all.
14861         (vec_dupv2sf, mmx_concatv2sf, vec_setv2sf, vec_extractv2sf,
14862         vec_initv2sf, vec_dupv4hi, vec_dupv2si, mmx_concatv2si, vec_setv2si,
14863         vec_extractv2si, vec_initv2si, vec_setv4hi, vec_extractv4hi,
14864         vec_initv4hi, vec_setv8qi, vec_extractv8qi, vec_initv8qi): New.
14865         (mmx_pinsrw): Fix operand ordering.
14866         * config/i386/sse.md (movv4sf splitter): Use direct pattern,
14867         rather than sse_loadss expander.
14868         (movv2df splitter): Similarly.
14869         (sse_loadss, sse_loadlss): Remove.
14870         (vec_dupv4sf, sse_concatv2sf, sse_concatv4sf, vec_extractv4sf_0): New.
14871         (vec_setv4sf, vec_setv2df): Use ix86_expand_vector_set.
14872         (vec_extractv4sf, vec_extractv2df): Use ix86_expand_vector_extract.
14873         (sse3_movddup): Rename with '*'.
14874         (sse3_movddup splitter): Use gen_rtx_REG instead of gen_lowpart.
14875         (sse2_loadsd): Remove.
14876         (vec_dupv2df_sse3): Rename from sse3_loadddup.
14877         (vec_dupv2df, vec_concatv2df_sse3, vec_concatv2df): New.
14878         (sse2_pinsrw): Fix argument ordering.
14879         (sse2_loadld, sse2_loadq): Add sse1 alternatives.
14880         (sse2_stored): Remove 'r' destination.
14881         (vec_dupv4si, vec_dupv2di, sse2_concatv2si, sse1_concatv2si,
14882         vec_concatv4si_1, vec_concatv2di, vec_setv2di, vec_extractv2di,
14883         vec_initv2di, vec_setv4si, vec_extractv4si, vec_initv4si,
14884         vec_setv8hi, vec_extractv8hi, vec_initv8hi, vec_setv16qi,
14885         vec_extractv16qi, vec_initv16qi): New.
14886
14887         * config/i386/emmintrin.h (__m128i, __m128d): Use typedef, not define.
14888         (_mm_set_sd, _mm_set1_pd, _mm_setzero_pd, _mm_set_epi64x,
14889         _mm_set_epi32, _mm_set_epi16, _mm_set_epi8, _mm_setzero_si128): Use
14890         constructor form.
14891         (_mm_load_pd, _mm_store_pd): Use plain dereference.
14892         (_mm_load_si128, _mm_store_si128): Likewise.
14893         (_mm_load1_pd): Use _mm_set1_pd.
14894         (_mm_load_sd): Use _mm_set_sd.
14895         (_mm_store_sd, _mm_storeh_pd): Use __builtin_ia32_vec_ext_v2df.
14896         (_mm_store1_pd, _mm_storer_pd): Use _mm_store_pd.
14897         (_mm_set_epi64): Use _mm_set_epi64x.
14898         (_mm_set1_epi64x, _mm_set1_epi64, _mm_set1_epi32, _mm_set_epi16,
14899         _mm_set1_epi8, _mm_setr_epi64, _mm_setr_epi32, _mm_setr_epi16,
14900         _mm_setr_epi8): Use _mm_set_foo form.
14901         (_mm_loadl_epi64, _mm_movpi64_epi64, _mm_move_epi64): Use _mm_set_epi64.
14902         (_mm_storel_epi64, _mm_movepi64_pi64): Use __builtin_ia32_vec_ext_v2di.
14903         (_mm_extract_epi16): Use __builtin_ia32_vec_ext_v8hi.
14904         (_mm_insert_epi16): Use __builtin_ia32_vec_set_v8hi.
14905         * config/i386/mmintrin.h (_mm_setzero_si64): Use plain cast.
14906         (_mm_set_pi32): Use __builtin_ia32_vec_init_v2si.
14907         (_mm_set_pi16): Use __builtin_ia32_vec_init_v4hi.
14908         (_mm_set_pi8): Use __builtin_ia32_vec_init_v8qi.
14909         (_mm_set1_pi16, _mm_set1_pi8): Use _mm_set_piN variant.
14910         * config/i386/pmmintrin.h (_mm_loaddup_pd): Use _mm_load1_pd.
14911         (_mm_movedup_pd): Use _mm_shuffle_pd.
14912         * config/i386/xmmintrin.h (_mm_setzero_ps, _mm_set_ss,
14913         _mm_set1_ps, _mm_set_ps, _mm_setr_ps): Use constructor form.
14914         (_mm_cvtpi16_ps, _mm_cvtpu16_ps, _mm_cvtpi8_ps, _mm_cvtpu8_ps,
14915         _mm_cvtps_pi8, _mm_cvtpi32x2_ps): Avoid __builtin_ia32_mmx_zero;
14916         Use _mm_setzero_ps.
14917         (_mm_load_ss, _mm_load1_ps): Use _mm_set* form.
14918         (_mm_load_ps, _mm_loadr_ps): Use raw dereference.
14919         (_mm_store_ss): Use __builtin_ia32_vec_ext_v4sf.
14920         (_mm_store_ps): Use raw dereference.
14921         (_mm_store1_ps): Use _mm_storeu_ps.
14922         (_mm_storer_ps): Use _mm_store_ps.
14923         (_mm_extract_pi16): Use __builtin_ia32_vec_ext_v4hi.
14924         (_mm_insert_pi16): Use __builtin_ia32_vec_set_v4hi.
14925
14926 2005-01-11  Stan Shebs  <shebs@apple.com>
14927
14928         * config/rs6000/rs6000.c (machopic_output_stub): Issue
14929         ldu instead of lwzu if 64-bit -mdynamic-no-pic.
14930
14931 2005-01-11  Andrew Pinski  <pinskia@physics.uc.edu>
14932
14933         PR target/18761
14934         * config/rs6000/rs6000.c (rs6000_special_round_type_align):
14935         Skip all DECLs except for FIELD_DECLs.
14936
14937 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
14938
14939         * config/s390/s390.c (override_options): Return error if
14940         -mbackchain, -mpacked-stack and -mhard-float are used together.
14941         (s390_va_start): Remove the backchain && packed-stack special case.
14942         (s390_gimplify_va_arg): Likewise.
14943         * doc/invoke.texi: Remove the ABI incompatibility note.
14944
14945 2005-01-11  Andreas Krebbel  <krebbel1@de.ibm.com>
14946
14947         * config/s390/s390.c (struct s390_frame_layout): Remove
14948         save_backchain_p.
14949         (s390_frame_info, s390_emit_prologue): Replace occurrences of
14950         save_backchain_p with TARGET_BACKCHAIN.
14951
14952 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
14953
14954         PR target/18916
14955         * builtins.c (std_gimplify_va_arg_expr): Adjust alignment of *ap.
14956         * expr.h (struct locate_and_pad_arg_data): Add "boundary".
14957         * function.c (locate_and_pad_parm): Set new field.
14958         (assign_parm_find_stack_rtl): Use it instead of FUNCTION_ARG_BOUNDARY.
14959         Tweak where_pad test to include "none".  Always set mem align for
14960         stack_parm.
14961         (assign_parm_adjust_stack_rtl): Discard stack_parm if alignment
14962         not sufficient for type.
14963         (assign_parm_setup_block): If stack_parm is zero on entry, always
14964         make a new stack local.  Block move old stack parm if necessary
14965         to new aligned stack local.
14966         (assign_parm_setup_stack): Use a block move to handle
14967         potentially misaligned entry_parm.
14968         (assign_parms_unsplit_complex): Specify required alignment when
14969         creating stack local.
14970         * calls.c (compute_argument_addresses): Override alignment of stack
14971         arg calculated from its type with the alignment given by
14972         FUNCTION_ARG_BOUNDARY.
14973         (store_one_arg): Likewise.
14974
14975 2005-01-11  Jan Beulich  <jbeulich@novell.com>
14976
14977         * config/ia64/ia64.md (zero_extendsidi2): Replace zxt4 by addp4.
14978         Change respective itanium_class attribute to ialu.
14979         (shladdp4_internal): New.
14980         * config/ia64/predicates.md (shladd_log2_operand): New.
14981
14982 2005-01-11  Richard Henderson  <rth@redhat.com>
14983
14984         * expr.c (store_constructor): Use rtvec_alloc instead of
14985         alloca+gen_rtvec_v, and an incorrect number passed to alloca.
14986
14987 2005-01-11  Kazu Hirata  <kazu@cs.umass.edu>
14988
14989         * config/alpha/alpha.c, config/i386/mmx.md: Fix comment typos.
14990
14991 2005-01-11  Alan Modra  <amodra@bigpond.net.au>
14992
14993         * varasm.c (default_section_type_flags_1): Don't set SECTION_SMALL.
14994         * config/ia64/ia64.c (TARGET_SECTION_TYPE_FLAGS): Define.
14995         (TARGET_RWRELOC): Define.
14996         (ia64_rwreloc_section_type_flags): Delete.
14997         (ia64_section_type_flags): New function.
14998         * config/ia64/hpux.h (TARGET_SECTION_TYPE_FLAGS): Don't define.
14999         (TARGET_RWRELOC): Define.
15000
15001 2005-01-10  David Mosberger  <davidm@hpl.hp.com>
15002
15003         PR target/18987
15004         * config/ia64/ia64.c (process_set): For alloc insn, only call
15005         process_epilogue is !frame_pointer_needed.
15006
15007 2005-01-10  Roger Sayle  <roger@eyesopen.com>
15008
15009         PR c++/19355
15010         * c-common.c (c_common_truthvalue_conversion): TRUTH_NOT_EXPR is a
15011         unary operator and can't be treated as a binary/comparison operator.
15012
15013 2005-01-10  Richard Henderson  <rth@redhat.com>
15014
15015         * config/i386/i386.c (ix86_function_value): Use type_natural_mode.
15016         (ix86_return_in_memory): Likewise.
15017         (function_arg_advance):  Likewise.  Mirror structure in function_arg
15018         for choosing register to advance.
15019
15020 2005-01-10  Kazu Hirata  <kazu@cs.umass.edu>
15021
15022         * tree-vectorizer.c, tree.def: Fix comment typos.
15023
15024 2005-01-10  Mark Dettinger  <dettinge@de.ibm.com>
15025
15026         * config/s390/s390.c (struct processor_costs): 4 new fields:
15027         ddbr, ddr, debr, der.
15028         (s390_rtx_costs): More precise handling of divide instructions.
15029
15030 2005-01-10  David Edelsohn  <edelsohn@gnu.org>
15031
15032         * config/rs6000/t-aix43 (BOOT_LDFLAGS): Define.
15033
15034 2005-01-10  Jan Beulich  <jbeulich@novell.com>
15035
15036         * config/ia64/ia64.c (ia64_in_small_data_p): Also handle the section
15037         names resulting from -ffunction-sections/-fdata-sections and linkonce
15038         ones.
15039         * varasm.c (default_section_type_flags_1): Also set SECTION_SMALL
15040         based on the section name. Rearrange the section name comparison logic
15041         slightly so that each section name is compared against at most once.
15042
15043 2005-01-10  Ben Elliston  <bje@au.ibm.com>
15044
15045         * doc/invoke.texi (Code Gen Options): Add PowerPC to the list of
15046         targets for which -fPIC reduces limitations on the GOT size.
15047
15048 2005-01-09  Falk Hueffner  <falk@debian.org>
15049
15050         * fold-const.c (fold): Also handle EXACT_DIV_EXPR when folding
15051         X/C1 cmpop C2.
15052
15053 2005-01-09  David Edelsohn  <edelsohn@gnu.org>
15054
15055         PR target/18720
15056         * collect2.c (main): Set aixrtl_flag for -brtl option.
15057         (resolve_lib_name): Search for .so file extension before .a
15058         if aixrtl_flag set.
15059
15060 2005-01-09  Dorit Naishlos  <dorit@il.ibm.com>
15061
15062         * tree-vectorizer.c (vect_enhance_data_refs_alignment): Add dump prints.
15063         (vect_analyze_data_refs_alignment): Add dump prints.
15064
15065 2005-01-09  Ira Rosen  <irar@il.ibm.com>
15066
15067         * tree-vectorizer.c (vect_analyze_offset_expr): Use
15068         expr_invariant_in_loop_p.
15069         Initialize outputs first thing in the function.
15070         (vect_update_ivs_after_vectorizer): Call initial_condition_in_loop_num.
15071         (vect_is_simple_iv_evolution): Call initial_condition_in_loop_num.
15072         (vect_analyze_pointer_ref_access): Check that the initial condition of
15073         the access function is loop invariant.
15074
15075 2005-01-09  Richard Henderson  <rth@redhat.com>
15076
15077         * config/i386/i386.c (bdesc_2arg): Update names for mmx_ prefixes.
15078         (ix86_expand_builtin): Likewise.  Frob MASKMOVQ wrt the input mem
15079         just like MASKMOVDQU.  Return plain zero for MMX_ZERO.
15080         * config/i386/i386.md (MMXMODEI, mov<MMXMODEI>,
15081         mov<MMXMODEI>_internal_rex64, mov<MMXMODEI>_internal, movv2sf,
15082         movv2sf_internal_rex64, movv2sf_internal, MMXMODE,
15083         movmisalign<MMXMODE>, mmx_pmovmskb, mmx_maskmovq, mmx_maskmovq_rex,
15084         sse_movntdi, addv8qi3, addv4hi3, addv2si3, mmx_adddi3, ssaddv8qi3,
15085         ssaddv4hi3, usaddv8qi3, usaddv4hi3, subv8qi3, subv4hi3, subv2si3,
15086         mmx_subdi3, sssubv8qi3, sssubv4hi3, ussubv8qi3, ussubv4hi3,
15087         mulv4hi3, smulv4hi3_highpart, umulv4hi3_highpart, mmx_pmaddwd,
15088         sse2_umulsidi3, mmx_iordi3, mmx_xordi3, mmx_anddi3, mmx_nanddi3,
15089         mmx_uavgv8qi3, mmx_uavgv4hi3, mmx_psadbw, mmx_pinsrw, mmx_pinsrw,
15090         mmx_pextrw, mmx_pshufw, eqv8qi3, eqv4hi3, eqv2si3, gtv8qi3, gtv4hi3,
15091         gtv2si3, umaxv8qi3, smaxv4hi3, uminv8qi3, sminv4hi3, ashrv4hi3,
15092         ashrv2si3, lshrv4hi3, lshrv2si3, mmx_lshrdi3, ashlv4hi3, ashlv2si3,
15093         mmx_ashldi3, mmx_packsswb, mmx_packssdw, mmx_packuswb, mmx_punpckhbw,
15094         mmx_punpckhwd, mmx_punpckhdq, mmx_punpcklbw, mmx_punpcklwd,
15095         mmx_punpckldq, emms, addv2sf3, subv2sf3, subrv2sf3, gtv2sf3, gev2sf3,
15096         eqv2sf3, pfmaxv2sf3, pfminv2sf3, mulv2sf3, femms, pf2id, pf2iw,
15097         pfacc, pfnacc, pfpnacc, pi2fw, floatv2si2, pfrcpv2sf2, pfrcpit1v2sf3,
15098         pfrcpit2v2sf3, pfrsqrtv2sf2, pfrsqit1v2sf3, pmulhrwv4hi3, pswapdv2si2,
15099         pswapdv2sf2): Move to mmx.md; rename as necessary with leading
15100         mmx_ prefix.
15101         (mmx_clrdi, pavgusb): Remove.
15102         (ldmxcsr, stmxcsr, sfence, sfence_insn): Move to sse.md; rename
15103         with leading sse_ prefix.
15104         * config/i386/sse.md: Receive them.
15105         * config/i386/mmx.md: New file.
15106         (MMXMODE12, MMXMODE24, mmxvecsize): New.
15107         (subrv2sf3): Turn into expander for normal subtraction.
15108         (mmx_addv2sf3, mmx_mulv2sf3, mmx_smaxv2sf3, mmx_sminv2sf3,
15109         mmx_eqv2sf3, mmx_mulv4hi3, mmx_smulv4hi3_highpart,
15110         mmx_umulv4hi3_highpart, mmx_pmaddwd, mmx_pmulhrwv4hi3, sse2_umulsidi3,
15111         mmx_umaxv8qi3, mmx_smaxv4hi3, mmx_uminv8qi3, mmx_sminv4hi3): Mark
15112         commutative; use ix86_binary_operator_ok.
15113         (mmx_add<MMXMODEI>3, mmx_ssadd<MMXMODE12>3, mmx_usadd<MMXMODE12>3,
15114         mmx_sub<MMXMODEI>3, mmx_sssub<MMXMODE12>3, mmx_ussub<MMXMODE12>3
15115         mmx_ashr<MMXMODE24>3, mmx_lshr<MMXMODE23>3, mmx_ashl<MMXMODE24>3
15116         mmx_eq<MMXMODEI>3, mmx_gt<MMXMODEI>3, mmx_and<MMXMODEI>3,
15117         mmx_nand<MMXMODEI>3, mmx_ior<MMXMODEI>3, mmx_xor<MMXMODEI>3):
15118         Macroize from existing patterns; use ix86_binary_operator_ok.
15119         (mmx_packsswb, mmx_packssdw, mmx_packuswb): Add memory alternative.
15120         (mmx_punpckhbw, mmx_punpcklbw, mmx_punpckhwd, mmx_punpcklwd,
15121         mmx_punpckhdq, mmx_punpckhdq, mmx_punpckldq): Likewise.  Model
15122         with vec_select+vec_concat.
15123         (mmx_pshufw, mmx_pshufw_1): Likewise.
15124         (mmx_uavgv8qi3): Merge pavgusb.  Model correcty.
15125         (mmx_uavgv4hi3): Model correctly.
15126         * config/i386/mmintrin.h (_mm_and_si64, _mm_andnot_si64, _mm_or_si64,
15127         _mm_xor_si64): Remove casts.
15128
15129 2005-01-09  Zdenek Dvorak  <dvorakz@suse.cz>
15130
15131         PR tree-optimization/19224
15132         * tree-scalar-evolution.c (get_instantiated_value,
15133         set_instantiated_value): New functions.
15134         (instantiate_parameters_1): Cache the results.
15135         (instantiate_parameters, resolve_mixers): Initialize and free
15136         the cache.
15137
15138 2005-01-08  David Edelsohn  <edelsohn@gnu.org>
15139
15140         * config/i386/i386.md (addhi_4): Correct reference in comment.
15141         (addqi_4): Same.
15142
15143 2005-01-08  Richard Henderson  <rth@redhat.com>
15144
15145         * config/i386/emmintrin.h (_mm_cvtsi128_si32): Move earlier.
15146         (_mm_cvtsi128_si64x): Likewise.
15147         (_mm_srl_epi64, _mm_srl_epi32, _mm_srl_epi16, _mm_sra_epi32,
15148         _mm_sra_epi16, _mm_sll_epi64, _mm_sll_epi32, _mm_sll_epi16): Use
15149         the _mm_{srl,sll}i_foo counterpart, and _mm_cvtsi128_si32.
15150         * config/i386/i386-modes.def: Add V16HI, V32QI, V4DF, V8SF.
15151         * config/i386/i386-protos.h: Update.
15152         * config/i386/i386.c (print_operand): Add 'H'.
15153         (ix86_fixup_binary_operands): Split out from ...
15154         (ix86_expand_binary_operator): ... here.
15155         (ix86_fixup_binary_operands_no_copy): New.
15156         (ix86_expand_fp_absneg_operator): Handle vector mode results.
15157         (bdesc_2arg): Update names for sse{,2,3}_ prefixes.
15158         (ix86_init_mmx_sse_builtins): Remove *maskncmp* special cases.
15159         (safe_vector_operand): Use CONST0_RTX.
15160         (ix86_expand_binop_builtin): Use ix86_fixup_binary_operands.
15161         (ix86_expand_builtin): Merge CODE_FOR_sse2_maskmovdqu_rex64 and
15162         CODE_FOR_sse2_maskmovdqu.  Special case SSE version of MASKMOVDQU
15163         expansion.  Update names for sse{,2,3}_ prefixes.  Remove *maskncmp*
15164         special cases.
15165         * config/i386/i386.h (IX86_BUILTIN_CMPNGTSS): New.
15166         (IX86_BUILTIN_CMPNGESS): New.
15167         * config/i386/i386.md (UNSPEC_FIX_NOTRUNC): New.
15168         (attr type): Add sselog1.
15169         (attr unit, attr memory): Handle it.
15170         (movti, movti_internal, movti_rex64): Move near other integer moves.
15171         (movtf, movtf_internal): Move near other fp moves.
15172         (SSEMODE, SSEMODEI, vec_setv2df, vec_extractv2df, vec_initv2df,
15173         vec_setv4sf, vec_extractv4sf, vec_initv4sf, movv4sf, movv4sf_internal,
15174         movv2df, movv2df_internal, mov<SSEMODEI>, mov<SSEMODEI>_internal,
15175         movmisalign<SSEMODE>, sse_movups_1, sse_movmskps, sse_movntv4sf,
15176         sse_movhlps, sse_movlhps, sse_storehps, sse_loadhps, sse_storelps,
15177         sse_loadlps, sse_loadss, sse_loadss_1, sse_movss, sse_storess,
15178         sse_shufps, addv4sf3, vmaddv4sf3, subv4sf3, vmsubv4sf3, negv4sf2,
15179         mulv4sf3, vmmulv4sf3, divv4sf3, vmdivv4sf3, rcpv4sf2, vmrcpv4sf2,
15180         rsqrtv4sf2, vmrsqrtv4sf2, sqrtv4sf2, vmsqrtv4sf2, sse_andv4sf3,
15181         sse_nandv4sf3, sse_iorv4sf3, sse_xorv4sf3, sse2_andv2df3,
15182         sse2_nandv2df3, sse2_iorv2df3, sse2_xorv2df3, sse2_andv2di3,
15183         sse2_nandv2di3, sse2_iorv2di3, sse2_xorv2di3, maskcmpv4sf3,
15184         vmmaskcmpv4sf3, sse_comi, sse_ucomi, sse_unpckhps, sse_unpcklps,
15185         smaxv4sf3, vmsmaxv4sf3, sminv4sf3, vmsminv4sf3, cvtpi2ps, cvtps2pi,
15186         cvttps2pi, cvtsi2ss, cvtsi2ssq, cvtss2si, cvtss2siq, cvttss2si,
15187         cvttss2siq, addv2df3, vmaddv2df3, subv2df3, vmsubv2df3, mulv2df3,
15188         vmmulv2df3, divv2df3, vmdivv2df3, smaxv2df3, vmsmaxv2df3, sminv2df3,
15189         vmsminv2df3, sqrtv2df2, vmsqrtv2df2, maskcmpv2df3, vmmaskcmpv2df3,
15190         sse2_comi, sse2_ucomi, sse2_movmskpd, sse2_pmovmskb, sse2_maskmovdqu,
15191         sse2_maskmovdqu_rex64, sse2_movntv2df, sse2_movntv2di, sse2_movntsi,
15192         cvtdq2ps, cvtps2dq, cvttps2dq, cvtdq2pd, cvtpd2dq, cvttpd2dq,
15193         cvtpd2pi, cvttpd2pi, cvtpi2pd, cvtsd2si, cvtsd2siq, cvttsd2si,
15194         cvttsd2siq, cvtsi2sd, cvtsi2sdq, cvtsd2ss, cvtss2sd, cvtpd2ps,
15195         cvtps2pd, addv16qi3, addv8hi3, addv4si3, addv2di3, ssaddv16qi3,
15196         ssaddv8hi3, usaddv16qi3, usaddv8hi3, subv16qi3, subv8hi3, subv4si3,
15197         subv2di3, sssubv16qi3, sssubv8hi3, ussubv16qi3, ussubv8hi3, mulv8hi3,
15198         smulv8hi3_highpart, umulv8hi3_highpart, sse2_umulsidi3,
15199         sse2_umulv2siv2di3, sse2_pmaddwd, sse2_uavgv16qi3, sse2_uavgv8hi3,
15200         sse2_psadbw, sse2_pinsrw, sse2_pextrw, sse2_pshufd, sse2_pshuflw,
15201         sse2_pshufhw, eqv16qi3, eqv8hi3, eqv4si3, gtv16qi3, gtv8hi3,
15202         gtv4si3, umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3, ashrv8hi3,
15203         ashrv4si3, lshrv8hi3, lshrv4si3, lshrv2di3, ashlv8hi3, ashlv4si3,
15204         ashlv2di3, sse2_ashlti3, sse2_lshrti3, sse2_unpckhpd, sse2_unpcklpd,
15205         sse2_packsswb, sse2_packssdw, sse2_packuswb, sse2_punpckhbw,
15206         sse2_punpckhwd, sse2_punpckhdq, sse2_punpcklbw, sse2_punpcklwd,
15207         sse2_punpckldq, sse2_punpcklqdq, sse2_punpckhqdq, sse2_movupd,
15208         sse2_movdqu, sse2_movdq2q, sse2_movdq2q_rex64, sse2_movq2dq,
15209         sse2_movq2dq_rex64, sse2_loadd, sse2_stored, sse2_storehpd,
15210         sse2_loadhpd, sse2_storelpd, sse2_loadlpd, sse2_movsd, sse2_loadsd,
15211         sse2_loadsd_1, sse2_storesd, sse2_shufpd, sse2_clflush, sse2_mfence,
15212         mfence_insn, sse2_lfence, lfence_insn, mwait, monitor, addsubv4sf3,
15213         addsubv2df3, haddv4sf3, haddv2df3, hsubv4sf3, hsubv2df3, movshdup,
15214         movsldup, lddqu, loadddup, movddup): Move to sse.md.  Any with
15215         non-optabs meanings renamed with an "sse{,2,3}_" prefix at the
15216         same time.
15217         (SSEPUSH, push<SSEPUSH>): Remove.
15218         (MMXPUSH, push<MMXPUSH>): Remove.
15219         (sse_movaps, sse_movaps_1, sse_movups): Remove.
15220         (sse2_movapd, sse2_movdqa, sse2_movq): Remove.
15221         (sse2_andti3, sse2_nandti3, sse2_iorti3, sse2_xorti3): Remove.
15222         (sse_clrv4sf, sse_clrv2df, sse2_clrti): Remove.
15223         (maskncmpv4sf3, vmmaskncmpv4sf3): Remove.
15224         (maskncmpv2df3, vmmaskncmpv2df3): Remove.
15225         (ashrv8hi3_ti, ashrv4si3_ti, lshrv8hi3_ti, lshrv4si3_ti): Remove.
15226         (lshrv2di3_ti, ashlv8hi3_ti, ashlv4si3_ti, ashlv2di3_ti): Remove.
15227         * config/i386/athlon.md (athlon_sselog_load): Handle sselog1.
15228         (athlon_sselog_load_k8, athlon_sselog, athlon_sselog_k8): Likewise.
15229         * config/i386/ppro.md (ppro_sse_div_V4SF_load): Fix memory attr.
15230         (ppro_sse_log_V4SF_load): Similarly.  Handle sselog1.
15231         (ppro_sse_log_V4SF): Handle sselog1.
15232         * config/i386/predicates.md (const_0_to_1_operand): New.
15233         (const_0_to_255_mul_8_operand): New.
15234         (const_1_to_31_operand): Rename from const_int_1_31_operand.
15235         (const_2_to_3_operand, const_4_to_7_operand): New.
15236         * config/i386/sse.md: New file.
15237         (SSEMODE12, SSEMODE24, SSEMODE124, SSEMODE248, ssevecsize): New.
15238         (sse_movups): Rename from sse_movups_1.
15239         (sse_loadlss): Rename from sse_loadss_1.
15240         (andv4sf3, iorv4sf3, xorv4sf3, andv2df3): Remove the sse prefix
15241         from the name.
15242         (negv4sf2): Use ix86_expand_fp_absneg_operator.
15243         (absv4sf2, negv2df, absv2df): New.
15244         (addv4sf3): Add expander to call ix86_fixup_binary_operands_no_copy.
15245         (subv4sf3, mulv4sf3, divv4sf3, smaxv4sf3, sminv4sf3, andv4sf3,
15246         iorv4sf3, xorv4sf3, addv2df3, subv2df3, mulv2df3, divv2df3,
15247         smaxv2df3, sminv2df3, andv2df3, iorv2df3, xorv2df3, mulv8hi3,
15248         umaxv16qi3, smaxv8hi3, uminv16qi3, sminv8hi3): Likewise.
15249         (sse3_addsubv4sf3): Model correctly.
15250         sse3_haddv4sf3, sse3_hsubv4sf3, sse3_addsubv2df3, sse3_haddv2df3,
15251         sse3_hsubv2df3, sse2_ashlti3, sse2_lshrti3): Likewise.
15252         (sse_movhlps): Model with vec_select+vec_concat.
15253         (sse_movlhps, sse_unpckhps, sse_unpcklps, sse3_movshdup,
15254         sse3_movsldup, sse_shufps, sse_shufps_1, sse2_unpckhpd, sse3_movddup,
15255         sse2_unpcklpd, sse2_shufpd, sse2_shufpd_1, sse2_punpckhbw,
15256         sse2_punpcklbw, sse2_punpckhwd, sse2_punpcklwd, sse2_punpckhdq,
15257         sse2_punpckldq, sse2_punpckhqdq, sse2_punpcklqdq, sse2_pshufd,
15258         sse2_pshufd_1, sse2_pshuflw, sse2_pshuflw_1, sse2_pshufhw,
15259         sse2_pshufhw_1): Likewise.
15260         (neg<SSEMODEI>2, one_cmpl<SSEMODEI>2): New.
15261         (add<SSEMODEI>3, sse2_ssadd<SSEMODE12>3, sse2_usadd<SSEMODE12>3,
15262         sub<SSEMODEI>3, sse2_sssub<SSEMODE12>3, sse2_ussub<SSEMODE12>3,
15263         ashr<SSEMODE24>3, lshr<SSEMODE248>3, sse2_eq<SSEMODE124>3,
15264         sse2_gt<SSEMODDE124>3, and<SSEMODEI>3, sse_nand<SSEMODEI>3,
15265         ior<SSEMODEI>3, xor<SSEMODEI>3): Macroize from existing patterns.
15266         (addv4sf3, sse_vmaddv4sf3, mulv4sf3, sse_vmmulv4sf3, smaxv4sf3,
15267         sse_vmsmaxv4sf3, sminv4sf3, sse_vmsminv4sf3, addv2df3, sse2_vmaddv2df3,
15268         mulv2df3, sse2_vmmulv2df3, smaxv2df3, sse2_vmsmaxv2df3, sminv2df3,
15269         sse2_vmsminv2df3, umaxv16qi3, smaxv8hi3, uminv16qi3
15270         sminv8hi3): Mark commutative
15271         operands.  Use ix86_binary_operator_ok.
15272         (sse_unpckhps, sse_unpcklps, sse2_packsswb, sse2_packssdw,
15273         sse2_packuswb, sse2_punpckhbw, sse2_punpcklbw, sse2_punpckhwd,
15274         sse2_punpcklwd, sse2_punpckhdq, sse2_punpckldq, sse2_punpckhqdq,
15275         sse2_punpcklqdq): Allow operand2 in memory.
15276         (sse_movhlps, sse_movlhps, sse2_unpckhpd, sse2_unpcklpd
15277         sse2_movsd): Add memory alternatives.
15278         (sse_storelps): Turn expander into an insn; split after reload.
15279         (sse_storess, sse2_loadhpd, sse2_loadlpd): Add non-xmm inputs.
15280         (sse2_storehpd, sse2_storelpd): Add non-xmm outputs.
15281
15282 2005-01-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
15283
15284         * configure.ac (DWARF-2 debug_line): Use objdump.
15285         * configure: Regenerate.
15286
15287 2005-01-08  Jeff Law  <law@redhat.com>
15288             Diego Novillo  <dnovillo@redhat.com>
15289
15290         PR tree-optimization/18241
15291         * tree-nrv.c (tree_nrv): Ignore volatile return values.
15292         * tree-ssa-dse.c (dse_optimize_stmt): Do not optimize
15293         statements with volatile operands.
15294         * tree-ssa-operands.c (add_stmt_operand): Do add volatile
15295         operands after marking a statement with has_volatile_ops.
15296
15297 2005-01-08  Roger Sayle  <roger@eyesopen.com>
15298
15299         * tree.c (int_fits_type_p): Always honor integer constant
15300         TYPE_MIN_VALUE and TYPE_MAX_VALUE if they exist.
15301
15302 2005-01-08  Roger Sayle  <roger@eyesopen.com>
15303
15304         * ifcvt.c (find_if_case_1): Reinstate 2005-01-04 change, now that
15305         the latent bug in rtl_delete_block has been resolved.
15306
15307 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
15308
15309         * config/mips/t-iris6 (MULTILIB_DIRNAMES): Use -mabi argument values.
15310         (MULTILIB_OSDIRNAMES): Use the standard lib, lib32 and lib64.
15311
15312 2005-01-08  Richard Sandiford  <rsandifo@redhat.com>
15313
15314         * config/mips/t-slibgcc-irix (SHLIB_LINK): Install a copy of the
15315         library as @multilib_dir@/$(SHLIB_SONAME).
15316
15317 2005-01-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
15318
15319         * configure.ac (HAVE_AS_OFFSETABLE_LO10): Fix typo.
15320         * configure: Regenerate.
15321
15322 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
15323
15324         * c-common.c (handle_mode_attribute): For ENUMERAL_TYPE, also copy
15325         TYPE_MODE.
15326
15327 2005-01-07  David Edelsohn  <edelsohn@gnu.org>
15328
15329         PR target/13674
15330         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
15331         Convert non-word aligned offset address using ld/std into
15332         indirect address.
15333
15334 2005-01-07  Richard Henderson  <rth@redhat.com>
15335
15336         * config/i386/i386.md (sse_loadhps splitter): Fix operand number typo.
15337
15338 2005-01-07  Richard SAndiford  <rsandifo@redhat.com>
15339
15340         * tree.h (IS_EXPR_CODE_CLASS): Use a straight-forward range check.
15341
15342 2005-01-07  Jakub Jelinek  <jakub@redhat.com>
15343
15344         PR tree-optimization/19283
15345         * fold-const.c (fold_widened_comparison): Return NULL if shorter_type
15346         is not shorter than the original type.
15347
15348         PR rtl-optimization/19012
15349         * config/i386/i386.md (addqi_1_slp): Set memory attribute.
15350
15351         PR rtl-optimization/18861
15352         * cfgbuild.c (BLOCK_USED_BY_TABLEJUMP): Define.
15353         (FULL_STATE): Define.
15354         (mark_tablejump_edge): New function.
15355         (purge_dead_tablejump_edges): New function.
15356         (find_bb_boundaries): Use it.
15357
15358         PR tree-optimization/18828
15359         * builtins.c (expand_builtin_next_arg): Remove argument and all
15360         the argument checking.
15361         (expand_builtin): Adjust caller.
15362         (expand_builtin_va_start): Likewise.  Remove error for too many
15363         arguments.
15364         (fold_builtin_next_arg): Issue error for too many arguments.
15365         After checking arguments, replace them with magic arguments that
15366         prevent further checking of the args.
15367
15368 2005-01-06  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
15369
15370         * pa64-hpux.h (STARTFILE_SPEC): Fix typo in spec.
15371
15372 2005-01-06  Roger Sayle  <roger@eyesopen.com>
15373
15374         PR target/6077
15375         * gcc.c (input_suffix_matches): Tweak the semantics of %{.s:...}
15376         and %{.S:...} (and their negative variants) to test whether the
15377         input file is assembler or pre-processed-assembler independent of
15378         the actual filename extension.
15379
15380 2005-01-06  Roger Sayle  <roger@eyesopen.com>
15381
15382         * simplify-rtx.c (simplify_subreg): Simplify truncations of shifts
15383         of sign or zero extended values.
15384
15385 2005-01-06  Geoffrey Keating  <geoffk@apple.com>
15386
15387         * c-cppbuiltin.c (builtin_define_float_constants): Set __*_EPSILON__
15388         for IBM long double format correctly.
15389
15390 2005-01-06  Daniel Berlin <dberlin@dberlin.org>
15391
15392         Fix PR tree-optimization/18792
15393
15394         * tree-data-ref.c (build_classic_dist_vector): Change first_loop
15395         to first_loop_depth, and use loop depth instead of loop number.
15396         (build_classic_dir_vector): Ditto.
15397         (compute_data_dependences_for_loop): Use depth, not loop number.
15398         * tree-loop-linear.c (try_interchange_loops): Use loop depth, not loop
15399         number. Pass in loops, instead of loop numbers.
15400         (gather_interchange_stats): Ditto.
15401         (linear_transform_loops): Ditto.
15402
15403 2005-01-06  Richard Sandiford  <rsandifo@redhat.com>
15404
15405         PR rtl-opt/13299
15406         * loop.c (get_monotonic_increment, biased_biv_fits_mode_p,
15407         biv_fits_mode_p, extension_within_bounds_p): New functions.
15408         (check_ext_dependent_givs): Use them.
15409
15410 2005-01-06  Roger Sayle  <roger@eyesopen.com>
15411
15412         * cfgrtl.c (rtl_delete_block): A basic block may be followed by
15413         more than one barrier, in which case we should delete them all.
15414
15415 2005-01-06  Tobias Schlueter  <tobias.schlueter@physik.uni-muenchen.de>
15416
15417         * gcc.c (process_command): Change year in 'gcc --version' to 2005.
15418
15419 2005-01-05  Daniel Berlin  <dberlin@dberlin.org>
15420
15421         Fix PR middle-end/19286
15422         Fix PR debug/19267
15423         * dwarf2out.c (gen_subprogram_die): If we've already tried to
15424         output this subprogram, simply ignore this attempt to do it again.
15425         (add_abstract_origin_attribute): Don't abort trying to add the abstract
15426         origin attribute if it's not possible.
15427         (gen_block_die): Don't ignore subblocks of "unused" blocks.
15428         (decls_for_scope): Ditto.
15429         * gimple-low.c (mark_blocks_with_used_subblocks): Remove.
15430         (mark_used_blocks): Don't call mark_blocks_with_used_subblocks.
15431
15432 2005-01-05  Richard Henderson  <rth@redhat.com>
15433
15434         PR target/11327
15435         * config/i386/i386.c (BUILTIN_DESC_SWAP_OPERANDS): New.
15436         (bdesc_2arg): Use it.
15437         (ix86_expand_binop_builtin): Force operands into registers
15438         when optimizing.
15439         (ix86_expand_unop_builtin, ix86_expand_unop1_builtin,
15440         ix86_expand_sse_compare, ix86_expand_sse_comi,
15441         ix86_expand_builtin): Likewise.
15442
15443 2005-01-05  Richard Henderson  <rth@redhat.com>
15444
15445         * config/ia64/ia64.c (rtx_needs_barrier): Handle CONST_VECTOR
15446         and VEC_SELECT.
15447         * config/ia64/vect.md (mulv8qi3): Re-implement with mix_[rl].
15448         (mulv4hi3): Set itanium_class mmmul.
15449         (fpack_sfxf, fpack_xfsf, fpack_xfxf): Remove.
15450         (fpack): Rename from fpack_sfsf.
15451
15452 2005-01-05  Richard Henderson  <rth@redhat.com>
15453
15454         PR rtl-opt/10692
15455         * reload1.c (do_input_reload): Restrict the optimization deleteing
15456         a previous output reload to RELOAD_FOR_INPUT.
15457
15458 2005-01-05  Steven Bosscher  <stevenb@suse.de>
15459
15460         * combine.c (expand_compound_operation)  <ZERO_EXTRACT>: Add
15461         comment that we fall through after case.
15462         (mark_used_regs_combine): Don't expect a SIGN_EXTRACT in a SET_DEST.
15463         (distribute_links): Likewise.
15464         * cse.c (cse_insn): Likewise.
15465         * cselib.c (cselib_invalidate_mem): Likewise.
15466         * df.c: Update comments at the top of the file.
15467         (read_modify_subreg_p): Update comments here too.
15468         (df_def_record_1): Don't expect a SIGN_EXTRACT in a SET_DEST.
15469         * flow.c (mark_set_1): Likewise.
15470         (mark_used_regs): Likewise.
15471         * gcse.c (mems_conflict_for_gcse_p): Likewise.
15472         (canon_list_insert): Likewise.
15473         (mark_set): Likewise.
15474         (try_replace_reg): Likewise.
15475         (store_killed_in_insn): Likewise.
15476         * loop.c (count_one_set): Likewise.
15477         (basic_induction_var): Likewise.
15478         * postreload-gcse.c (find_mem_conflicts): Likewise.
15479         * postreload.c (reload_combine_note_store): Likewise.
15480         (move2add_note_store): Likewise.
15481         * reload.c (find_equiv_reg): Likewise.
15482         (mark_referenced_resources): Likewise.
15483         * rtlanal.c (set_noop_p): Likewise.
15484         (note_stores): Likewise.
15485         (note_uses): Likewise.
15486         * sched-deps.c (sched_analyze_1): Likewise.
15487         * sched-rgn.c (check_live_1): Likewise.
15488         (update_live_1): Likewise.
15489         * config/i860/i860.c: Likewise.
15490
15491         * rtl.dec (SIGN_EXTRACT): Document that this cannot appear as
15492         an lvalue.
15493         (ZERO_EXTRACT): Mention that this one can be an lvalue.
15494
15495         * doc/rtl.texi: Update documentation for bit-fields and SET.
15496
15497 2005-01-05  Roger Sayle  <roger@eyesopen.com>
15498
15499         * ifcvt.c (find_if_case_1): Revert 2005-01-04 change.
15500
15501 2005-01-05  Jan Hubicka  <jh@suse.cz>
15502             Richard Henderson  <rth@redhat.com>
15503
15504         PR target/18910
15505         * config/i386/i386.c (ix86_expand_move): Handle tls symbols
15506         with an offset.
15507
15508 2005-01-05  Richard Henderson  <rth@redhat.com>
15509
15510         PR target/12902
15511         * config/i386/i386.md (sse_movhps, sse_movlps): Remove.
15512         (sse_shufps): Change operand 3 to const_int_operand.
15513         (sse2_storelps): Fix typo in template.
15514         (sse_storehps, sse_loadhps, sse_storelps, sse_loadlps): New.
15515         * config/i386/i386.c (ix86_expand_vector_move_misalign): Use them.
15516         (ix86_expand_builtin): Likewise.
15517
15518 2005-01-05  Julian Brown  <julian@codesourcery.com>
15519
15520         * config/arm/arm.c (arm_return_in_memory): Treat complex types
15521         as aggregates for AAPCS ABIs.
15522
15523 2005-01-05  Stan Shebs  <shebs@apple.com>
15524
15525         * unwind-dw2-fde-darwin.c (examine_objects): Use 64-bit
15526         Mach-O getters if ppc64.
15527         * config/darwin.c (darwin_asm_output_dwarf_delta): Obey
15528         size argument.
15529         * config/darwin.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
15530         signed four-byte field for global code case.
15531         (STARTFILE_SPEC): Avoid crt2.o for 64-bit compilation.
15532
15533 2005-01-05  Roger Sayle  <roger@eyesopen.com>
15534
15535         PR middle-end/19100
15536         * c-common.c: Include real.h.
15537         (c_common_truthvalue_conversion): Avoid destructively modifying expr.
15538         Correctly handle TREE_CONSTANT_OVERFLOW for INTEGER_CST.
15539         Correctly handle TREE_CONSTANT_OVERFLOW and NaNs for REAL_CST.
15540         * Makefile.in (c-common.o): Update dependencies.
15541
15542 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
15543
15544         * c-parse.in (asm_string): Add trailing semicolon.
15545
15546 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
15547
15548         * c-parse.in (asm_string): New.  Don't allow wide strings in
15549         'asm'.
15550         (simple_asm_expr, asm_argument, asm_operand, asm_clobbers): Use
15551         asm_string instead of STRING.
15552
15553 2005-01-05  Joseph S. Myers  <joseph@codesourcery.com>
15554
15555         * c-typeck.c (constructor_no_implicit): Remove.
15556         (set_designator, process_init_element): Don't check
15557         constructor_no_implicit.
15558
15559 2005-01-05  J"orn Rennecke <joern.rennecke@st.com>
15560             Kaz Kojima  <kkojima@gcc.gnu.org>
15561
15562         PR target/16482
15563         * lcm.c (create_pre_exit): New.
15564         (optimize_mode_switching): In MODE_ENTRY / MODE_EXIT case, set
15565         ENTRY_EXIT_EXTRA to 3.  Use create_pre_exit.
15566
15567 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
15568
15569         * arm.h (TARGET_OPTIONS): Correctly record -mhard-float and
15570         -msoft-float in target_float_switch.
15571         * arm.c (arm_override_options): Fix processing of target_float_switch.
15572
15573 2004-01-05  Richard Earnshaw  <rearnsha@arm.com>
15574
15575         * arm/vfp.md (arm_movsi_vfp): Hide VFP register classes from register
15576         preferencing.
15577
15578 2004-01-05  Uros Bizjak  <uros@kss-loka.si>
15579
15580         * doc/invoke.texi (Intel 386 and AMD x86-64 Options):
15581         Replace i387 with 'i386 compiler' in -mfpmath=sse option.
15582
15583 2005-01-04  Roger Sayle  <roger@eyesopen.com>
15584
15585         * ifcvt.c (find_if_case_1): Avoid creating an empty forwarder block,
15586         if deleting the then-block allows the test-block to fallthru to the
15587         else-block.
15588
15589 2005-01-04  Andrew Pinski  <pinskia@physics.uc.edu>
15590
15591         PR c/19152
15592         * c-decl.c (diagnose_mismatched_decls): Accept "extern inline" declared
15593         after the full declaration if the are in two different TUs.
15594
15595 2005-01-04  Richard Henderson  <rth@redhat.com>
15596
15597         PR tree-opt/19158
15598         * tree-sra.c (generate_one_element_init): Just
15599         call gimplify_and_add.
15600         (generate_element_init): Record the
15601         new referenced variables and mark them for renaming
15602         and split out to ...
15603         (generate_element_init_1): This.
15604         (scalarize_init): Don't call push_gimplify_context/
15605         pop_gimplify_context.
15606
15607 2005-01-04  Geoffrey Keating  <geoffk@apple.com>
15608
15609         * toplev.c (get_src_pwd): Handle failure of getpwd().
15610
15611 2005-01-04  Roger Sayle  <roger@eyesopen.com>
15612
15613         * fold-const.c (fold_single_bit_test): Delete unreachable handling
15614         of TRUTH_NOT_EXPR.
15615         (fold): Don't call fold_single_bit_test with a TRUTH_NOT_EXPR, as
15616         all the cases handled by it are inverted by invert_truthvalue.
15617
15618 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
15619
15620         * config/sparc/sparc.md (save_register_windowdi): Add missing mode.
15621         (save_register_windowsi): Likewise.
15622
15623 2005-01-04  Richard Henderson  <rth@redhat.com>
15624
15625         * tree-mudflap.c (mf_varname_tree): Fix thinko setting declname.
15626
15627 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
15628
15629         PR middle-end/17767
15630         * cse.c (fold_rtx) [RTX_COMPARE, RTX_COMM_COMPARE]: Don't attempt
15631         any simplifications of vector mode comparison operators.
15632         * simplify-rtx.c (simplify_relational_operation): Fix variable name.
15633
15634 2005-01-04  Paolo Bonzini  <bonzini@gnu.org>
15635             Devang Patel  <dpatel@apple.com>
15636
15637         PR tree-optimization/18308
15638         * tree-if-conv.c (add_to_dst_predicate_list): Gimplify
15639         the operands before creating a new expression.
15640         * dojump.c (do_jump): Make drop_through_label available
15641         for all cases.  Add expansion of COND_EXPR.
15642
15643 2005-01-04  Ira Rosen  <irar@il.ibm.com>
15644
15645         * tree-vectorizer.c (vect_analyze_offset_expr): Test for
15646         INTEGER_CST instead of TREE_CONSTANT.
15647         (vect_gen_niters_for_prolog_loop): Test for INTEGER_CST
15648         instead of TREE_CONSTANT.
15649         (vect_analyze_pointer_ref_access): Test for INTEGER_CST
15650         instead of TREE_CONSTANT.
15651
15652 2005-01-04  Eric Botcazou  <ebotcazou@libertysurf.fr>
15653
15654         * tree-eh.c (replace_goto_queue): Return early if the queue is empty.
15655
15656 2005-01-04  Uros Bizjak  <uros@kss-loka.si>
15657
15658         PR target/19240
15659         * config/i386/i386.md (*fop_df_1_i387): Disable for TARGET_SSE_MATH.
15660         (*fop_df_1_i387): Disable for (TARGET_SSE2 && TARGET_SSE_MATH).
15661
15662 2005-01-03  Richard Henderson  <rth@redhat.com>
15663
15664         * fold-const.c (force_fit_type): Cope with types larger than 2 HWI.
15665         (fold_convert_const_int_from_int, fold_convert_const_int_from_real,
15666         fold_convert_const_real_from_real): Split out from ...
15667         (fold_convert_const): ... here.
15668
15669 2005-01-03  Richard Henderson  <rth@redhat.com>
15670
15671         PR target/19235
15672         * config/i386/i386.md (movdi_2): Separate SSE1 and SSE2 alternatives.
15673         (mov<MMXMODEI>_internal): Likewise.
15674         (movdf_nointeger): Prefer Y while not preferring, but allowing, x.
15675         Add V2SF case; use it for SSE1; don't use TI.
15676         (movdf_integer): Likewise.
15677         (mov<SSEMODEI>_internal, movti_internal): Force V4SF for SSE1.
15678
15679 2005-01-03  Ira Rosen  <irar@il.ibm.com>
15680
15681         * tree-vectorizer.c (vect_strip_conversions): New function.
15682         (vect_analyze_offset_expr): Call vect_strip_conversions. Add
15683         check for binary class.
15684
15685 2005-01-03  Daniel Berlin  <dberlin@dberlin.org>
15686
15687         Fix PR debug/17924
15688         Fix PR debug/19191
15689         * dwarf2out.c (block_ultimate_origin): Follow decl origin if origin
15690         is a decl.
15691         * gimple-low.c (mark_blocks_with_used_vars): New function.
15692         (mark_blocks_with_used_subblocks): Ditto.
15693         (mark_used_blocks): Ditto.
15694         (pass_mark_used_blocks): New pass.
15695         * tree-inline.c: Include debug.h.
15696         (expand_call_inline): Call outlining_inline_function here.
15697         * tree-optimize.c (init_tree_optimization_passes): Add
15698         pass_mark_used_blocks.
15699         * tree-pass.h (pass_mark_used_blocks): New.
15700         * Makefile.in (tree-inline.o): Add debug.h dependency.
15701
15702 2005-01-03  Geoffrey Keating  <geoffk@apple.com>
15703
15704         * config/darwin.c (darwin_handle_weak_import_attribute): Permit
15705         VAR_DECLs to have weak_import attribute.
15706
15707         * config/rs6000/darwin-fallback.c: Use 'ucontext_t' rather than
15708         'struct ucontext'.
15709
15710 2004-01-03  Steven Bosscher  <stevenb@suse.de>
15711
15712         * passes.c (rest_of_compilation): Don't run regmove if only
15713         flag_expensive_optimizations, require flag_regmove instead.
15714
15715 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
15716
15717         * config/sparc/litecoff.h (TARGET_OS_CPP_BUILTINS): Do not
15718         register "sparc".
15719         * config/sparc/sysv4-only.h (TARGET_OS_CPP_BUILTINS): Likewise.
15720         * config/sparc/rtemself.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
15721         * config/sparc/sol2-64.h (TARGET_SUB_OS_CPP_BUILTINS): Delete.
15722         * config/sparc/sp64-elf.h (TARGET_SUB_OS_CPP_BUILTINS): Likewise.
15723
15724 2005-01-03  Richard Henderson  <rth@redhat.com>
15725
15726         * config/ia64/ia64.c (TARGET_VECTOR_MODE_SUPPORTED_P): New.
15727         (ia64_const_ok_for_letter_p): New.
15728         (ia64_const_double_ok_for_letter_p): New.
15729         (ia64_extra_constraint): New.
15730         (ia64_expand_vecint_compare): New.
15731         (ia64_expand_vcondu_v2si): New.
15732         (ia64_expand_vecint_cmov): New.
15733         (ia64_expand_vecint_minmax): New.
15734         (ia64_print_operand): Add 'v'.
15735         (ia64_preferred_reload_class): New.
15736         (ia64_vector_mode_supported_p): New.
15737         * config/ia64/ia64.h (UNITS_PER_SIMD_WORD): New.
15738         (PREFERRED_RELOAD_CLASS): Move to function.
15739         (CONST_OK_FOR_LETTER_P): Move to function.
15740         (CONST_DOUBLE_OK_FOR_LETTER_P): Move to function.
15741         (CONSTRAINT_OK_FOR_Q, CONSTRAINT_OK_FOR_R): Remove.
15742         (CONSTRAINT_OK_FOR_S, CONSTRAINT_OK_FOR_T): Remove.
15743         (EXTRA_CONSTRAINT): Move to function.
15744         * config/ia64/ia64.md: Include vect.md.
15745         (itanium_class): Add mmalua.
15746         (type): Handle it.
15747         * config/ia64/itanium1.md (1_mmalua): New.  Add it to bypasses.
15748         (1b_mmalua): New.
15749         * config/ia64/itanium2.md (2_mmalua, 2b_mmalua): Similarly.
15750         * config/ia64/predicates.md (gr_reg_or_0_operand): Accept any
15751         CONST0_RTX.
15752         (const_int_2bit_operand): New.
15753         (fr_reg_or_0_operand): New.
15754         * config/ia64/ia64-modes.def: Add vector modes.
15755         * config/ia64/ia64-protos.h: Update.
15756         * config/ia64/vect.md: New file.
15757
15758 2005-01-03  Richard Henderson  <rth@redhat.com>
15759
15760         * simplify-rtx.c (simplify_binary_operation): Handle VEC_CONCAT.
15761
15762 2005-01-03  Uros Bizjak  <uros@kss-loka.si>
15763
15764         PR target/19236
15765         * config/i386/i386.c (log1psf2): Change mode of operands[0,1]
15766         to SFmode.
15767         (log1pdf2): Change mode of operands[0,1] to DFmode.
15768
15769 2005-01-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
15770
15771         * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Define to false.
15772         * config/sparc/linux.h (SPARC_RELAXED_ORDERING): Define to true.
15773         * config/sparc/linux64.h (SPARC_RELAXED_ORDERING): Likewise.
15774         * config/sparc/sparc.c (TARGET_RELAXED_ORDERING): Define to
15775         SPARC_RELAXED_ORDERING.
15776
15777 2005-01-03  Richard Henderson  <rth@redhat.com>
15778             Uros Bizjak  <uros@kss-loka.si>
15779
15780         PR target/14631
15781         * config/i386/i386.c (ix86_expand_builtin): [IX86_BUILTIN_PINSRW,
15782         IX86_BUILTIN_PINSRW128]: Fix wrong selector range in error message.
15783         * config/i386/i386.md (mmx_pinsrw, sse2_pinsrw): Fix selector
15784         handling.
15785         (*mmx_pinsrw, *sse2_pinsrw): New patterns.
15786         * config/i386/i386/predicates.md (const_pow2_1_to_8_operand,
15787         const_pow2_1_to_128_operand): New predicates.
15788
15789 2005-01-02  Greg McGary  <greg@mcgary.org>
15790
15791         * tree-mudflap.c (mf_varname_tree): decl_printable_name handles
15792         anonymous decls.
15793         (mf_xform_derefs_1) [RESULT_DECL, STRING_CST]: Handle as innermost
15794         object.  [ptr_type]: Remove unused variable.
15795         Remember nearest addressable array-element or record-component
15796         when checking bitfield components.  Tolerate empty BIND_EXPR.
15797
15798 2005-01-01  Richard Henderson  <rth@redhat.com>
15799
15800         * tree-vectorizer.c (vect_analyze_offset_expr): Strip conversions
15801         that don't narrow the value.  Fail for other conversions.
15802
15803 2005-01-01  Richard Henderson  <rth@redhat.com>
15804
15805         PR c/19031
15806         * c-decl.c (pop_file_scope): Call maybe_apply_pending_pragma_weaks.
15807         * c-lang.c (finish_file): Don't do it here.
15808         * objc/objc-act.c (objc_finish_file): Likewise.
15809
15810         * cgraph.c (decl_assembler_name_equal): New.
15811         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): New.
15812         (cgraph_varpool_node): Actually link up cgraph_varpool_nodes.
15813         * cgraph.h (struct cgraph_varpool_node): Add next.
15814         (cgraph_node_for_asm, cgraph_varpool_node_for_asm): Declare.
15815         * varasm.c (assemble_alias): Mark the target as needed.
15816
15817 2005-01-01  Andrew Pinski  <pinskia@physics.uc.edu>
15818
15819         PR middle-end/19221
15820         * function.c (get_arg_pointer_save_area): Use entry_of_function
15821         instead of get_insns.
15822
15823 2005-01-01  Roger Sayle  <roger@eyesopen.com>
15824             Andrew Pinski  <pinskia@physics.uc.edu>
15825             James E. Wilson  <wilson@specifixinc.com>
15826
15827         PR rtl-optimization/12092
15828         * loop.c (emit_prefetch_instructions): Do nothing if PREFETCH_BLOCK
15829         is zero.
15830
15831 2005-01-01  Roger Sayle  <roger@eyesopen.com>
15832             Olivier Hainque  <hainque@act-europe.fr>
15833
15834         * tree.c (int_fits_type_p): A narrower type always fits in a
15835         wider one, except for negative values into unsigned types.
15836
15837 2005-01-01  Roger Sayle  <roger@eyesopen.com>
15838
15839         * tree.c (int_fits_type_p): Compare the result of force_fit_type
15840         with the original constant rather than require TREE_OVERFLOW.
15841
15842 2005-01-01  Steven Bosscher  <stevenb@suse.de>
15843
15844         PR middle-end/17544
15845         * c-decl.c (finish_function): If compiling C99, annotate the
15846         compiler generated return with the current file name and line 0.
15847         * tree-cfg.c (remove_useless_stmts_warn_notreached): Only warn if
15848         the source line is greater than 0.
15849         (remove_bb): Likewise.